Race day — the 2026 Monument Half Marathon is underway.

Monument Half Marathon

Race day
Race day·
clear-day53°·66° high·Windy·Dry
8
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Race Day Weather

clear-day
53°at start
84° high
Windy
Dry
Your goal
0:00:00

Comfortable temps, big temp swing, moderate wind

Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 84°F by later miles, so expect fading conditions as the race progresses. Moderate winds around 19mph may affect pacing on open sections of the course.

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Pace Calculator

Distance: 13.1mi
0:00:00
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We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Monument Half Marathon race plan

True Effort pacing, weather-adjusted mile splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The Monument Half Marathon starts at Robidoux RV Park and finishes at Five Rocks Amphitheater, joining the full marathon route through Mitchell Pass along the Oregon Trail as it circles Scotts Bluff National Monument. A Half Marathon Relay division covers the same course in team legs, scored separately in all-male, all-female, and coed categories.

Race weekend

Saturday, September 26
7:00 AMMarathon (26.2 mi)
7:30 AMHalf Marathon (13.1 mi)
7:45 AM5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Monument Half Marathon?

The 2026 Monument Half Marathon will be held on Saturday September 26, 2026.

What will the weather be like for the 2026 Monument Half Marathon?

The forecast calls for a high of 84°F and a low of 53°F with a 2% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 14 years of data
Avg Temp
53°F
L:49° H:57°
RunScore
9
Conditions
Rain Freq
21%
3 of 14 yrs
Wind10mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
47°/60°-
9
2024
clear-day
65°/75°-
6
2023
partly-cloudy-day
53°/57°-
8
2022
clear-day
48°/59°-
10
2021
clear-day
48°/59°-
10
2020
clear-day
58°/73°-
8
2019
cloudy
48°/48°Light
10
2018
clear-day
41°/49°-
10
2017
cloudy
51°/54°-
10
2016
clear-day
40°/51°-
10
2015
cloudy
55°/59°Light
8
2014
clear-day
52°/63°-
9
2013
clear-day
36°/46°-
10
2012
partly-cloudy-night
51°/53°Light
10