Arches Half Marathon

Moab, UT, USA · October 3, 2026

63°·70° high·Breezy·Dry

Weather

Pace Calc

Race Day Weather

63°at start

72° high

Breezy

Dry

Comfortable temps, moderate wind

Starting at 63°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Temperatures rising to 72°F through the course will gradually increase perceived effort in the second half. Moderate winds around 12mph may affect pacing on open sections of the course.

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Distance: 13.1mi

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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.

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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 73°F and a low of 59°F with a 10% 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 9 years of data

Avg Temp

64°F

L:50° H:65°

RunScore

Conditions

Rain Freq

0 of 9 yrs

Wind10mph

Dew26°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Arches Half Marathon Partly cloudy throughout the day with early morning rain. 2025	62°/71°	-	35°
2024 Arches Half Marathon Clear conditions throughout the day. 2024	64°/81°	-	23°
2023 Arches Half Marathon Clear conditions throughout the day. 2023	51°/71°	-	34°
2022 Arches Half Marathon Clear conditions throughout the day. 2022	53°/70°	-	40°
2021 Arches Half Marathon Clear conditions throughout the day with early morning rain. 2021	49°/60°	-	44°
2020 Arches Half Marathon Clear conditions throughout the day. 2020	61°/73°	-	30°
2019 Arches Half Marathon Clear conditions throughout the day. 2019	30°/57°	-	-3°
2018 Arches Half Marathon Partly cloudy throughout the day. 2018	42°/48°	-	23°
2017 Arches Half Marathon Clear conditions throughout the day. 2017	37°/53°	-	10°

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