The 2026 Arches Half Marathon has concluded.Share your finish

Arches Half Marathon

Race complete
Moab, UT, USA · October 3, 2026·
clear-day57°·68° high·Calm·Dry
7
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Race Day Weather

clear-day
57°at start
79° high
Light
Dry
Your goal
0:00:00

Cool start, warming trend ahead

Runners will face a temperature rise from 57°F at the start to a peak of 75°F by the race's end. Winds will be light, peaking at 7 mph, providing a tailwind during the early miles but shifting to headwinds in the later segments. Adjust pacing to start conservatively, especially as temperatures climb, and focus on hydration early in the race to combat the rising heat.

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Pace Calculator

13.1mi
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Race Plan

Get your personalized Arches Half Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

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

Race Info

The Arches Half Marathon runs on the Behind the Rocks Trail about 13 miles south of Moab, Utah, alongside a companion 15K, marathon, and 50K held the same day on the same desert course. The route follows jeep roads and sandy washes with views of the La Sal Mountains and Picture Frame Arch. Mad Moose Events, a family-run race company, has organized the event since 2017. A high-clearance or four-wheel-drive vehicle is recommended for the unpaved access road to the start/finish area.

Race weekend

Saturday, October 3
7:00 AMMarathon (26.2 mi)7:00 AM50K (31.1 mi)
8:00 AMHalf Marathon (13.1 mi)
8:30 AM15K (9.3 mi)

FAQ

When is the 2026 Arches Half Marathon?

The 2026 Arches Half Marathon will be held on Saturday October 3, 2026.

What is the time limit for the Arches Half Marathon?

The time limit for the Arches Half Marathon is 4.5 hours.

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

The forecast calls for a high of 83°F and a low of 53°F with a 0% chance of rain.

What is the elevation profile of the Arches Half Marathon?

The Arches Half Marathon has 1178ft of total elevation gain. View the interactive course map above for a detailed elevation profile.

Historical Weather

Based on 10 years of data
Avg Temp
56°F
L:51° H:61°
RunScore
8
Conditions
Rain Freq
0%
0 of 10 yrs
Wind8mph
Dew28°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-day
57°/68°-
7
2025
partly-cloudy-day
62°/67°-
6
2024
clear-day
64°/77°-
7
2023
clear-day
51°/64°-
9
2022
clear-day
53°/65°-
8
2021
clear-day
49°/56°-
9
2020
clear-day
61°/70°-
7
2019
clear-day
30°/47°-
10
2018
clear-day
42°/47°-
8
2017
clear-day
37°/46°-
10