The 2026 Arches 15K has concluded.Share your finish

Arches 15K

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
83° high
Breezy
Dry
Your goal
0:00:00

Comfortable temps, big temp swing

Mild 57°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 83°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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clear-day8
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Pace Calculator

9.3mi
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Race Plan

Get your personalized Arches 15K 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 15K starts and finishes at the Behind the Rocks Trail about 13 miles south of Moab, Utah. It follows sandy double track and desert meadow trails out toward Picture Frame Arch, with a modest climb that opens up views of the La Sal Mountains. It is the shortest and least hilly of the four distances run on the same desert network.

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 15K?

The 2026 Arches 15K will be held on Saturday October 3, 2026.

What will the weather be like for the 2026 Arches 15K?

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

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