The course follows lakeside single-track with short dirt-road links, weaving through oak woodland above Folsom Lake and featuring a creek crossing—bring your sense of adventure (and dry socks). Race day opens early with Kids Run at 7:30am, then waves from 8:00am for the 50K, Marathon, 30K, Half, 9 Miler, 10K, 5K and 1 Mile, all from the Salmon Falls lot. Trails are well-marked, aid stations are positioned throughout, and there’s a 9-hour overall limit to keep your day on track. Terrain is mostly runnable, with rolling elevation and occasional technical footing that rewards careful pacing.
Races
50 km
Marathon
30 km
Half Marathon
9 miles
10 km
5 km
Organized by Troy’s California Trail Runs, the 50 km ultramarathon starts on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, and leads runners through a demanding out-and-back route marked by gently rolling single-track terrain and scenic lake views.
The Trail Marathon, hosted by Troy’s California Trail Runs, is part of the January 24, 2026 event at Folsom Lake State Recreation Area (Salmon Falls Parking Lot, El Dorado Hills, CA), offering a full-distance trail challenge through oak-dotted single-track and Sierra foothill vistas.
Also organized by Troy’s California Trail Runs, the 30 km race takes place on January 24, 2026, commencing at the Salmon Falls Parking Lot in Folsom Lake State Recreation Area (El Dorado Hills, CA), and unfolds across a scenic out-and-back course following technical and rolling single-track paths.
The Half Marathon, presented by Troy’s California Trail Runs, runs on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, guiding participants through undulating single-track terrain along the Sweetwater Trail.
Organized by Troy’s California Trail Runs, the 9-mile Sweetwater Trail event occurs on January 24, 2026, launching from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), winding through technical single-track trails amidst oak woodland.
Also hosted by Troy’s California Trail Runs, the 10 km race is held on January 24, 2026, at the Salmon Falls Parking Lot within Folsom Lake State Recreation Area (El Dorado Hills, California), featuring single-track terrain with rolling hills and beautiful Sierra foothill views.
Organized by Troy’s California Trail Runs, the 5 km Sweetwater Trail Run takes place on Saturday, January 24, 2026, starting from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), offering runners a lush, oak-shaded route along the scenic Sweetwater Trail.
Weather based on historical averages.
FAQs
What is the Folsom Lake Sweetwater Trail 50K?
How long is the Folsom Lake Sweetwater Trail 50K?
Where does the Folsom Lake Sweetwater Trail 50K take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail 50K?
How can I prepare for the Folsom Lake Sweetwater Trail 50K?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 50K?
Organized by Troy’s California Trail Runs, the 50 km ultramarathon starts on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, and leads runners through a demanding out-and-back route marked by gently rolling single-track terrain and scenic lake views.
The Folsom Lake Sweetwater Trail 50K is 50km long.
The Folsom Lake Sweetwater Trail 50K takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail 50K elevation gain is 988 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 50K?
Organized by Troy’s California Trail Runs, the 50 km ultramarathon starts on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, and leads runners through a demanding out-and-back route marked by gently rolling single-track terrain and scenic lake views.
How long is the Folsom Lake Sweetwater Trail 50K?
The Folsom Lake Sweetwater Trail 50K is 50km long.
Where does the Folsom Lake Sweetwater Trail 50K take place?
The Folsom Lake Sweetwater Trail 50K takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail 50K?
The Folsom Lake Sweetwater Trail 50K elevation gain is 988 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail 50K?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 50K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail Marathon?
How long is the Folsom Lake Sweetwater Trail Marathon?
Where does the Folsom Lake Sweetwater Trail Marathon take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail Marathon?
How can I prepare for the Folsom Lake Sweetwater Trail Marathon?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail Marathon?
The Trail Marathon, hosted by Troy’s California Trail Runs, is part of the January 24, 2026 event at Folsom Lake State Recreation Area (Salmon Falls Parking Lot, El Dorado Hills, CA), offering a full-distance trail challenge through oak-dotted single-track and Sierra foothill vistas.
The Folsom Lake Sweetwater Trail Marathon is 42km long.
The Folsom Lake Sweetwater Trail Marathon takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail Marathon elevation gain is 844 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail Marathon?
The Trail Marathon, hosted by Troy’s California Trail Runs, is part of the January 24, 2026 event at Folsom Lake State Recreation Area (Salmon Falls Parking Lot, El Dorado Hills, CA), offering a full-distance trail challenge through oak-dotted single-track and Sierra foothill vistas.
How long is the Folsom Lake Sweetwater Trail Marathon?
The Folsom Lake Sweetwater Trail Marathon is 42km long.
Where does the Folsom Lake Sweetwater Trail Marathon take place?
The Folsom Lake Sweetwater Trail Marathon takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail Marathon?
The Folsom Lake Sweetwater Trail Marathon elevation gain is 844 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 30K?
How long is the Folsom Lake Sweetwater Trail 30K?
Where does the Folsom Lake Sweetwater Trail 30K take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail 30K?
How can I prepare for the Folsom Lake Sweetwater Trail 30K?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 30K?
Also organized by Troy’s California Trail Runs, the 30 km race takes place on January 24, 2026, commencing at the Salmon Falls Parking Lot in Folsom Lake State Recreation Area (El Dorado Hills, CA), and unfolds across a scenic out-and-back course following technical and rolling single-track paths.
The Folsom Lake Sweetwater Trail 30K is 30km long.
The Folsom Lake Sweetwater Trail 30K takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail 30K elevation gain is 547 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 30K?
Also organized by Troy’s California Trail Runs, the 30 km race takes place on January 24, 2026, commencing at the Salmon Falls Parking Lot in Folsom Lake State Recreation Area (El Dorado Hills, CA), and unfolds across a scenic out-and-back course following technical and rolling single-track paths.
How long is the Folsom Lake Sweetwater Trail 30K?
The Folsom Lake Sweetwater Trail 30K is 30km long.
Where does the Folsom Lake Sweetwater Trail 30K take place?
The Folsom Lake Sweetwater Trail 30K takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail 30K?
The Folsom Lake Sweetwater Trail 30K elevation gain is 547 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail 30K?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 30K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail Half Marathon?
How long is the Folsom Lake Sweetwater Trail Half Marathon?
Where does the Folsom Lake Sweetwater Trail Half Marathon take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail Half Marathon?
How can I prepare for the Folsom Lake Sweetwater Trail Half Marathon?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail Half Marathon?
The Half Marathon, presented by Troy’s California Trail Runs, runs on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, guiding participants through undulating single-track terrain along the Sweetwater Trail.
The Folsom Lake Sweetwater Trail Half Marathon is 21km long.
The Folsom Lake Sweetwater Trail Half Marathon takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail Half Marathon elevation gain is 474 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail Half Marathon?
The Half Marathon, presented by Troy’s California Trail Runs, runs on January 24, 2026, from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area in El Dorado Hills, California, guiding participants through undulating single-track terrain along the Sweetwater Trail.
How long is the Folsom Lake Sweetwater Trail Half Marathon?
The Folsom Lake Sweetwater Trail Half Marathon is 21km long.
Where does the Folsom Lake Sweetwater Trail Half Marathon take place?
The Folsom Lake Sweetwater Trail Half Marathon takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail Half Marathon?
The Folsom Lake Sweetwater Trail Half Marathon elevation gain is 474 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 9 Mile?
How long is the Folsom Lake Sweetwater Trail 9 Mile?
Where does the Folsom Lake Sweetwater Trail 9 Mile take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail 9 Mile?
How can I prepare for the Folsom Lake Sweetwater Trail 9 Mile?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 9 Mile?
Organized by Troy’s California Trail Runs, the 9-mile Sweetwater Trail event occurs on January 24, 2026, launching from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), winding through technical single-track trails amidst oak woodland.
The Folsom Lake Sweetwater Trail 9 Mile is 14km long.
The Folsom Lake Sweetwater Trail 9 Mile takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail 9 Mile elevation gain is 264 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 9 Mile?
Organized by Troy’s California Trail Runs, the 9-mile Sweetwater Trail event occurs on January 24, 2026, launching from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), winding through technical single-track trails amidst oak woodland.
How long is the Folsom Lake Sweetwater Trail 9 Mile?
The Folsom Lake Sweetwater Trail 9 Mile is 14km long.
Where does the Folsom Lake Sweetwater Trail 9 Mile take place?
The Folsom Lake Sweetwater Trail 9 Mile takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail 9 Mile?
The Folsom Lake Sweetwater Trail 9 Mile elevation gain is 264 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail 9 Mile?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 9 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 10K?
How long is the Folsom Lake Sweetwater Trail 10K?
Where does the Folsom Lake Sweetwater Trail 10K take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail 10K?
How can I prepare for the Folsom Lake Sweetwater Trail 10K?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 10K?
Also hosted by Troy’s California Trail Runs, the 10 km race is held on January 24, 2026, at the Salmon Falls Parking Lot within Folsom Lake State Recreation Area (El Dorado Hills, California), featuring single-track terrain with rolling hills and beautiful Sierra foothill views.
The Folsom Lake Sweetwater Trail 10K is 10km long.
The Folsom Lake Sweetwater Trail 10K takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail 10K elevation gain is 164 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 10K?
Also hosted by Troy’s California Trail Runs, the 10 km race is held on January 24, 2026, at the Salmon Falls Parking Lot within Folsom Lake State Recreation Area (El Dorado Hills, California), featuring single-track terrain with rolling hills and beautiful Sierra foothill views.
How long is the Folsom Lake Sweetwater Trail 10K?
The Folsom Lake Sweetwater Trail 10K is 10km long.
Where does the Folsom Lake Sweetwater Trail 10K take place?
The Folsom Lake Sweetwater Trail 10K takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail 10K?
The Folsom Lake Sweetwater Trail 10K elevation gain is 164 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail 10K?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 10K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 5K?
How long is the Folsom Lake Sweetwater Trail 5K?
Where does the Folsom Lake Sweetwater Trail 5K take place?
What is the elevation gain of the Folsom Lake Sweetwater Trail 5K?
How can I prepare for the Folsom Lake Sweetwater Trail 5K?
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 5K?
Organized by Troy’s California Trail Runs, the 5 km Sweetwater Trail Run takes place on Saturday, January 24, 2026, starting from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), offering runners a lush, oak-shaded route along the scenic Sweetwater Trail.
The Folsom Lake Sweetwater Trail 5K is 5km long.
The Folsom Lake Sweetwater Trail 5K takes place in El Dorado Hills, CA, USA.
The Folsom Lake Sweetwater Trail 5K elevation gain is 79 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Folsom Lake Sweetwater Trail 5K?
Organized by Troy’s California Trail Runs, the 5 km Sweetwater Trail Run takes place on Saturday, January 24, 2026, starting from the Salmon Falls Parking Lot at Folsom Lake State Recreation Area (El Dorado Hills, CA), offering runners a lush, oak-shaded route along the scenic Sweetwater Trail.
How long is the Folsom Lake Sweetwater Trail 5K?
The Folsom Lake Sweetwater Trail 5K is 5km long.
Where does the Folsom Lake Sweetwater Trail 5K take place?
The Folsom Lake Sweetwater Trail 5K takes place in El Dorado Hills, CA, USA.
What is the elevation gain of the Folsom Lake Sweetwater Trail 5K?
The Folsom Lake Sweetwater Trail 5K elevation gain is 79 metres, which Runna classifies as a Moderate race.
How can I prepare for the Folsom Lake Sweetwater Trail 5K?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Folsom Lake Sweetwater Trail 5K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
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Sport:
Running
Tags:
Kid friendly
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Folsom Lake Sweetwater Trail Run or Troy’s California Trail Runs. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Folsom Lake Sweetwater Trail Run website.
