Stroke & Stride Series - Boulder, Colorado - Running

The Stroke & Stride Series is a Running race in Boulder, Colorado consisting of a 5K, and Swimming race consisting of a 1.5K

The 2021 Boulder Stroke & Stride Series

June 3rd, 10th, 17th, 24th, July 8th, 15th, 22nd, 29th, & August 5th

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2021 COVID-19 Update: As of January 6th the Colorado Department of Public Health has moved the asafer at homea dial from level red back down to level orange. This is a positive move towards our target goal of alevel greena as the vaccine rollout remains on schedule. Registration for this event is currently open. We'll continue to post the latest health department announcements on this page. Should the areopeninga be delayed, or the situation regress and we're forced to cancel, 100% of your entries will be rolled to the 2022 edition of this event.

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The Boulder Stroke & Stride enters its 20th season in 2021, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday

evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter event, while more seasoned athletes get the thrill of starting alongside some of the top athletes in the world in the 1,500 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food, beanie for 6-pack entries, and series prizes are just the beginning!