Stroke & Stride #7

About the Event

Make your midweek extraordinary with a classic Colorado sunset race. Join the iconic Boulder Stroke & Stride on Thursday, July 23rd, 2026, for an evening of pure multisport energy at the stunning Boulder Reservoir. This is your chance to dive into crisp, open water for a 750m or 1500m swim before tackling a fast 5k run on the iconic reservoir dam, all as the sun dips behind the Front Range. A cornerstone of Boulder's athletic community for 25 years, the event blends a welcoming, festive atmosphere with thrilling competition, attracting everyone from first-time open water swimmers to seasoned elites. With live timing, great post-race food, and the vibrant buzz of hundreds of participants, it's the perfect way to break up your week and fuel your summer. Claim your spot in this legendary local tradition.

Races Offered

1 Mile - Swim ONLY

Jul 23, 2026

straighten

Distance — 1.6K

terrain

Type — Water sports

timer

18 days remaining

1/2 Mile - Swim ONLY

Jul 23, 2026

straighten

Distance — 1/2 Mile - Swim ONLY

terrain

Type — Water sports

timer

18 days remaining

5k - Run ONLY

Jul 23, 2026

straighten

Distance — 5K

terrain

Type — Water sports

timer

18 days remaining

Long Course - Swim & Run

Jul 23, 2026

straighten

Distance — 6.6K

terrain

Type — Water sports

timer

18 days remaining

Short Course - Swim & Run

Jul 23, 2026

straighten

Distance — 5.8K

terrain

Type — Water sports

timer

18 days remaining

Weather History

These values represent the 3-year monthly averages for July in Boulder.

thermostat Temperature

14.1° / 30.1°

wb_sunny Feels like

12.6° / 27.9°

light_mode Avg sunshine hours

13h 16m

water_drop Avg rainfall

0.8 mm

ac_unit Avg snowfall

—

air Avg wind speed

7.5 km/h (Light breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Very High (8.0)

humidity_mid Humidity

47.1%

wb_twilight Sunrise

05:45

nightlight Sunset

20:26

About Boulder

Learn more about the host city, Boulder.

Boulder is a college town of about 106,000 in the Front Range region of Colorado. The home of the University of Colorado, the city has a reputation for progressive values and outdoor recreation. It is a very pleasant place to live and visit.