Held on October 12, 2025, the Snohomish River Run brings together runners of all experience levels for a certified, chip-timed race through one of the Pacific Northwest’s most charming river towns. Starting from Downtown Snohomish, the event features a marathon, half marathon, 10K, and 5K, all on flat, paved roads with scenic views of the Snohomish River and vibrant fall foliage. Marathoners receive a finisher jacket (included in registration), while all participants enjoy tech race shirts, medals, and post-race hot soup and refreshments. The event also offers age-group awards, free parking, and a family-friendly vibe that makes it ideal for both PR-seekers and casual runners. Hosted by Snohomish Running Company, the race exemplifies Pacific Northwest running culture with thoughtful logistics and a welcoming community feel.
Races
Marathon
Half Marathon
10 km
5 km
Race Date:
12 October, 2025
The Full Marathon starts at 7:30 AM on Sunday, 12 October 2025, in Downtown Snohomish, WA, organized by Snohomish Running Company. This USATF-certified route features downhill and fast running through river-adjacent areas, and includes a race shirt, a finisher medal, and a special finisher jacket.
Race Date:
12 October, 2025
The Half Marathon begins at 8:00 AM on the same day and location, organized by Snohomish Running Company. Runners enjoy a point-to-point course that traverses the beautiful Snohomish River valley.
Race Date:
12 October, 2025
Starting at 9:00 AM on Sunday, 12 October 2025, the 10K (Run for Warmth) travels through Downtown Snohomish and river-adjacent roads. Organized by Snohomish Running Company, participants receive a race shirt and finisher medal.
Race Date:
12 October, 2025
The 5K (Run for Warmth) kicks off at 9:30 AM on Sunday, 12 October 2025, in Downtown Snohomish. This inviting course is organized by Snohomish Running Company and includes a race shirt and finisher medal for all participants.
Weather based on historical averages.
FAQs
What is the Snohomish River Run Marathon?
How long is the Snohomish River Run Marathon?
Where does the Snohomish River Run Marathon take place?
What is the elevation gain of the Snohomish River Run Marathon?
How can I prepare for the Snohomish River Run Marathon?
How do I choose the right training plan for the Snohomish River Run Marathon?
The Full Marathon starts at 7:30 AM on Sunday, 12 October 2025, in Downtown Snohomish, WA, organized by Snohomish Running Company. This USATF-certified route features downhill and fast running through river-adjacent areas, and includes a race shirt, a finisher medal, and a special finisher jacket.
The Snohomish River Run Marathon is 42km long.
The Snohomish River Run Marathon takes place in Snohomish, WA, USA.
The Snohomish River Run Marathon elevation gain is 112.78 metres, which Runna classifies as a Flat 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 Snohomish River Run Marathon?
The Full Marathon starts at 7:30 AM on Sunday, 12 October 2025, in Downtown Snohomish, WA, organized by Snohomish Running Company. This USATF-certified route features downhill and fast running through river-adjacent areas, and includes a race shirt, a finisher medal, and a special finisher jacket.
How long is the Snohomish River Run Marathon?
The Snohomish River Run Marathon is 42km long.
Where does the Snohomish River Run Marathon take place?
The Snohomish River Run Marathon takes place in Snohomish, WA, USA.
What is the elevation gain of the Snohomish River Run Marathon?
The Snohomish River Run Marathon elevation gain is 112.78 metres, which Runna classifies as a Flat race.
How can I prepare for the Snohomish River Run 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 Snohomish River Run 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 Snohomish River Run Half Marathon?
How long is the Snohomish River Run Half Marathon?
Where does the Snohomish River Run Half Marathon take place?
What is the elevation gain of the Snohomish River Run Half Marathon?
How can I prepare for the Snohomish River Run Half Marathon?
How do I choose the right training plan for the Snohomish River Run Half Marathon?
The Half Marathon begins at 8:00 AM on the same day and location, organized by Snohomish Running Company. Runners enjoy a point-to-point course that traverses the beautiful Snohomish River valley.
The Snohomish River Run Half Marathon is 21km long.
The Snohomish River Run Half Marathon takes place in Snohomish, WA, USA.
The Snohomish River Run Half Marathon elevation gain is 54.56 metres, which Runna classifies as a Flat 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 Snohomish River Run Half Marathon?
The Half Marathon begins at 8:00 AM on the same day and location, organized by Snohomish Running Company. Runners enjoy a point-to-point course that traverses the beautiful Snohomish River valley.
How long is the Snohomish River Run Half Marathon?
The Snohomish River Run Half Marathon is 21km long.
Where does the Snohomish River Run Half Marathon take place?
The Snohomish River Run Half Marathon takes place in Snohomish, WA, USA.
What is the elevation gain of the Snohomish River Run Half Marathon?
The Snohomish River Run Half Marathon elevation gain is 54.56 metres, which Runna classifies as a Flat race.
How can I prepare for the Snohomish River Run 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 Snohomish River Run 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 Snohomish River Run 10K?
How long is the Snohomish River Run 10K?
Where does the Snohomish River Run 10K take place?
What is the elevation gain of the Snohomish River Run 10K?
How can I prepare for the Snohomish River Run 10K?
How do I choose the right training plan for the Snohomish River Run 10K?
Starting at 9:00 AM on Sunday, 12 October 2025, the 10K (Run for Warmth) travels through Downtown Snohomish and river-adjacent roads. Organized by Snohomish Running Company, participants receive a race shirt and finisher medal.
The Snohomish River Run 10K is 10km long.
The Snohomish River Run 10K takes place in Snohomish, WA, USA.
Runna classifies the Snohomish River Run 10K elevation profile as Flat.
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 Snohomish River Run 10K?
Starting at 9:00 AM on Sunday, 12 October 2025, the 10K (Run for Warmth) travels through Downtown Snohomish and river-adjacent roads. Organized by Snohomish Running Company, participants receive a race shirt and finisher medal.
How long is the Snohomish River Run 10K?
The Snohomish River Run 10K is 10km long.
Where does the Snohomish River Run 10K take place?
The Snohomish River Run 10K takes place in Snohomish, WA, USA.
What is the elevation gain of the Snohomish River Run 10K?
Runna classifies the Snohomish River Run 10K elevation profile as Flat.
How can I prepare for the Snohomish River Run 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 Snohomish River Run 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 Snohomish River Run 5K?
How long is the Snohomish River Run 5K?
Where does the Snohomish River Run 5K take place?
What is the elevation gain of the Snohomish River Run 5K?
How can I prepare for the Snohomish River Run 5K?
How do I choose the right training plan for the Snohomish River Run 5K?
The 5K (Run for Warmth) kicks off at 9:30 AM on Sunday, 12 October 2025, in Downtown Snohomish. This inviting course is organized by Snohomish Running Company and includes a race shirt and finisher medal for all participants.
The Snohomish River Run 5K is 5km long.
The Snohomish River Run 5K takes place in Snohomish, WA, USA.
Runna classifies the Snohomish River Run 5K elevation profile as Flat.
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 Snohomish River Run 5K?
The 5K (Run for Warmth) kicks off at 9:30 AM on Sunday, 12 October 2025, in Downtown Snohomish. This inviting course is organized by Snohomish Running Company and includes a race shirt and finisher medal for all participants.
How long is the Snohomish River Run 5K?
The Snohomish River Run 5K is 5km long.
Where does the Snohomish River Run 5K take place?
The Snohomish River Run 5K takes place in Snohomish, WA, USA.
What is the elevation gain of the Snohomish River Run 5K?
Runna classifies the Snohomish River Run 5K elevation profile as Flat.
How can I prepare for the Snohomish River Run 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 Snohomish River Run 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:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Snohomish River Run 2025 or Snohomish River Run. 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 Snohomish River Run 2025 website.
