The 2026 Runs With Scissors Races Half Marathon has concluded.

Runs With Scissors Races Half Marathon

Race complete
Brighton, CO, USA · April 25, 2026·
cloudy32°·34° high·Light·Dry
10
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Race Day Weather

cloudy
32°at start
54° high
Breezy
Dry
Your goal
0:00:00

Cold start — layer up, big temp swing

Runners will start in chilly 32°F conditions — dress in layers for the corral and plan to shed early. Temps will climb significantly to 54°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

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Pace Calculator

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Race Info

The half marathon is 10 laps of a 1.31-mile counter-clockwise loop around Mann-Nyholt Lake in Riverdale Regional Park in Brighton, Colorado, north of Denver. Much of the loop is on scree-covered trail. It is the shortest of the three distances and shares the same loop with the marathon and 50K runners on the Saturday of race weekend.

Race weekend

Saturday, April 25
7:00 AM50K (31.1 mi)7:00 AMMarathon (26.2 mi)
7:00 AMHalf Marathon (13.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Runs With Scissors Races Half Marathon?

The 2026 Runs With Scissors Races Half Marathon will be held on Saturday April 25, 2026.

What is the time limit for the Runs With Scissors Races Half Marathon?

The time limit for the Runs With Scissors Races Half Marathon is 9 hours.

What will the weather be like for the 2026 Runs With Scissors Races Half Marathon?

The forecast calls for a high of 54°F and a low of 32°F with a 0% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 5 years of data
Avg Temp
41°F
L:39° H:42°
RunScore
10
Conditions
Rain Freq
40%
2 of 5 yrs
Wind7mph
Dew33°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
cloudy
32°/34°-
10
2025
cloudy
41°/46°-
10
2018
snow
32°/33°Light
10
2017
rain
35°/38°Light
10
2016
partly-cloudy-day
57°/60°-
10