Course
A flat, fast loop around Lake Union starting and finishing at Gas Works Park in Seattle. The route follows Westlake Ave N on a mix of sidewalks, bike lanes and paved trail, passing Lake Union Park, the Fremont Bridge and views of the Space Needle. Both the 10 mile and 10K share the same waterfront course.
Key dates
- !RegistrationOpen now
- ★Race daySat 3 Apr 2027
About
Tenacious 10 is a 10 mile and 10K road race held in Seattle, Washington, part of the Run Super Series.
Save Tenacious 10 to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Run For Your Life 5k/10k
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Fool's Run 5k
Evening run past Gig Harbor's waterfront at twilight
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.