Established by the Run Super Series, the Tenacious 10 has become a vibrant running event in Seattle, attracting participants of all levels. The 2025 edition, set for April 5, features two race options: a 10-mile run and a 10K. Both courses start and finish at Gas Works Park, taking runners along Lake Union's shoreline and offering views of iconic Seattle landmarks such as the Space Needle and Fremont Bridge.
Races
The Tenacious 10-Mile Race, happening on April 5, 2025, takes runners on a scenic loop around Lake Union, offering a flat yet rewarding challenge. Organized by Run Super Series, this race is perfect for those looking to bridge the gap between a 10K and a half marathon while enjoying one of Seattle’s most picturesque courses.
The Tenacious 10K, scheduled for April 5, 2025, is a fast and accessible race through Seattle’s iconic urban and waterfront areas. Organized by Run Super Series, this event welcomes runners of all levels, from first-timers to experienced racers looking to set a new personal best on a well-supported, scenic course.
Weather based on historical averages.
FAQs
What is the Tenacious Ten?
How long is the Tenacious Ten?
Where does the Tenacious Ten take place?
What is the elevation gain of the Tenacious Ten?
How can I prepare for the Tenacious Ten?
How do I choose the right training plan for the Tenacious Ten?
The Tenacious 10-Mile Race, happening on April 5, 2025, takes runners on a scenic loop around Lake Union, offering a flat yet rewarding challenge. Organized by Run Super Series, this race is perfect for those looking to bridge the gap between a 10K and a half marathon while enjoying one of Seattle’s most picturesque courses.
The Tenacious Ten is 16km long.
The Tenacious Ten takes place in Seattle, Washington, USA.
Runna classifies the Tenacious Ten elevation profile as Flat.
The best way to train for the next race is to use a personalized 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 personalized 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 Tenacious Ten?
The Tenacious 10-Mile Race, happening on April 5, 2025, takes runners on a scenic loop around Lake Union, offering a flat yet rewarding challenge. Organized by Run Super Series, this race is perfect for those looking to bridge the gap between a 10K and a half marathon while enjoying one of Seattle’s most picturesque courses.
How long is the Tenacious Ten?
The Tenacious Ten is 16km long.
Where does the Tenacious Ten take place?
The Tenacious Ten takes place in Seattle, Washington, USA.
What is the elevation gain of the Tenacious Ten?
Runna classifies the Tenacious Ten elevation profile as Flat.
How can I prepare for the Tenacious Ten?
The best way to train for the next race is to use a personalized 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 Tenacious Ten?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Tenacious Ten?
How long is the Tenacious Ten?
Where does the Tenacious Ten take place?
What is the elevation gain of the Tenacious Ten?
How can I prepare for the Tenacious Ten?
How do I choose the right training plan for the Tenacious Ten?
The Tenacious 10K, scheduled for April 5, 2025, is a fast and accessible race through Seattle’s iconic urban and waterfront areas. Organized by Run Super Series, this event welcomes runners of all levels, from first-timers to experienced racers looking to set a new personal best on a well-supported, scenic course.
The Tenacious Ten is 10km long.
The Tenacious Ten takes place in Seattle, Washington, USA.
Runna classifies the Tenacious Ten elevation profile as Flat.
The best way to train for the next race is to use a personalized 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 personalized 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 Tenacious Ten?
The Tenacious 10K, scheduled for April 5, 2025, is a fast and accessible race through Seattle’s iconic urban and waterfront areas. Organized by Run Super Series, this event welcomes runners of all levels, from first-timers to experienced racers looking to set a new personal best on a well-supported, scenic course.
How long is the Tenacious Ten?
The Tenacious Ten is 10km long.
Where does the Tenacious Ten take place?
The Tenacious Ten takes place in Seattle, Washington, USA.
What is the elevation gain of the Tenacious Ten?
Runna classifies the Tenacious Ten elevation profile as Flat.
How can I prepare for the Tenacious Ten?
The best way to train for the next race is to use a personalized 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 Tenacious Ten?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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!
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Tenacious 10 or Run Super Series. 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 Tenacious 10 website.
