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That Dam Run 13.1, 10K, 5K

Name: That Dam Run 13.1, 10K, 5K
Start: 2026-03-01
End: 2026-03-01
Location: Arapahoe County, Colorado

location_on

Arapahoe County, Colorado, United States

calendar_today 01 Mar, 2026

directions_run Running

language Official Website

sell $38.37 – $95.07

About the Event

Cherry Creek Dam Road transforms into Denver's most irreverently named proving ground at That Dam Run on March 1, 2026, where half marathon, 10K, and 5K participants earn bragging rights for "crushing the dam" while absorbing panoramic Front Range vistas stretching from urban skyline to snow-capped continental divide. This personality-driven event masterfully balances mountain seriousness with playful branding, offering custom dam-themed shirts, Justin Beaver photo ops, and celebratory post-race gatherings that redefine traditional race atmosphere. The morning demonstrates how strategic whimsy can enhance athletic experience, where every finisher medal becomes both distance accomplishment and participation in a running community that refuses to take itself too seriously.

With advance packet pickup at Road Runner Sports and race-day registration commencing at 7:00 AM, the logistics prioritize convenience while maintaining the event's distinctive character. The concurrent kids' 200-meter fun run ensures intergenerational participation, proving that the most memorable runs sometimes require leaving solemnity at the starting line and embracing the joyful absurdity of dam-based puns against Colorado's majestic backdrop.

Races Offered

10K Adult

Mar 01, 2026

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Distance — 10km

terrain

Type — Running

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08:00

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$54.42

10K Youth/Senior

Mar 01, 2026

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Distance — 10km

terrain

Type — Running

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08:00

sell

$49.07

13.1M Individual

Mar 01, 2026

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Distance — 21km

terrain

Type — Running

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08:00

sell

$95.07

5K Adult

Mar 01, 2026

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Distance — 5km

terrain

Type — Running

timer

08:00

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$43.72

5K Youth 17 & Under, Seniors 60 & Over

Mar 01, 2026

straighten

Distance — 5km

terrain

Type — Running

timer

08:00

sell

$38.37

Weather Overview

These values represent the 3-year monthly averages for March in Arapahoe County.

Temp (°C)

Feels Like (°C)

thermostat -1.6° / 12.4°

wb_sunny -6.9° / 6.6°

Wind (km/h)

Humidity (%)

air 14.8 /

water_drop 46.2%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat -1.6° / 12.4°

wb_sunny -6.9° / 6.6°

air 14.8 km/h

water_drop 46.2%

About Arapahoe County

Arapahoe County is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070, making it the third-most populous county in Colorado. The county seat is Littleton, and the most populous city is Aurora. The county was named for the Arapaho Native American tribe, who once lived in the region. Arapahoe County is part of the Denver-Aurora-Lakewood metropolitan statistical area. Arapahoe County calls itself "Colorado's First County", since its origins antedate the Pike's Peak Gold Rush.