Arches Marathon and Half 2026
- Date
- Saturday, October 3, 2026
- Start time
- 7:00 AM start (Denver)
- Location
- Moab, Utah
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 50K | 50K | Oct 3, 20267:00 AM | See registration | – |
| Marathon | Marathon | Oct 3, 20267:00 AM | See registration | – |
| Half Marathon | Half Marathon | Oct 3, 20268:00 AM | See registration | – |
| 15K | 15K | Oct 3, 20268:30 AM | See registration | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
What a typical finish looks like
A typical finisher at a 50K in Moab runs 6:23:58, about 12:22 a mile, based on 6 races with published results. Women typically finish in 6:42:24 and men in 6:10:59.
Light and altitude
Sunrise on race morning is at about 7:14 AM, and the 50K starts at 7:00 AM. The start sits about 5,250 feet above sea level, high enough that most runners from lower ground run noticeably slower.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Behind the Rocks Trail, Moab, UT 84532
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2025 results
All resultsHalf Marathon
15K
50K
Aggregated from official results (Mad Moose Events) for Arches Marathon and Half. Individual finisher names are not stored here.
How fast do you need to be at Arches Marathon and Half?
At the 2025 Half Marathon, the fastest tenth finished in 2:03:26 or better, the top quarter in 2:15:45, and half the field in 2:31:42; the last tenth came in after 3:17:11.
At the 2025 15K, the fastest tenth finished in 1:37:09 or better, the top quarter in 1:45:06, and half the field in 1:59:34; the last tenth came in after 2:36:48.
At the 2025 50K, the fastest tenth finished in 5:27:01 or better, the top quarter in 6:16:08, and half the field in 6:59:54; the last tenth came in after 8:08:39.
| Age | Women | Men |
|---|---|---|
| 20-29 | 1:57:10 | 1:52:03 |
| 30-39 | 1:54:54 | 1:57:31 |
| 40-49 | 2:11:00 | 2:06:44 |
| 50-59 | 2:55:33 | 2:11:57 |
| 60-69 | 2:59:25 | 2:13:12 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2025.
How fast is it?
About average for US trail half marathons
The fastest quarter of the 2025 half marathon field finished under 2:15:45, against 2:16:23 in a typical US trail half marathon, so times here are about average.
- 15K: Slower than most US trail 15Ks. The fastest quarter of the 2025 15K field finished under 1:45:06, against 1:33:44 in a typical US trail 15K, so times here run 12 percent slower.
- 50K: About average for US trail 50Ks. The fastest quarter of the 2025 50K field finished under 6:16:08, against 6:08:34 in a typical US trail 50K, so times here are about average.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around October 3 the day usually runs from 54°F at dawn to 71°F in the afternoon, with measurable rain on about 11% of days. Cold snaps dip to 46°F and hot years reach 81°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- Behind the Rocks Trail, Moab, UT 84532Map
- Course
- Trail
- Start elevation
- About 5,250 feet
- Distances
- 15K, Half Marathon, Marathon, 50K
- Editions
- 2026 (Oct 3, 2026), 2025 (Oct 4, 2025), 2024 (Oct 5, 2024)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Arches Marathon and Half?
- Saturday, October 3, 2026, starting at 7:00 AM.
- How much does it cost?
- See the registration page for current pricing.
- What distances can I run?
- 15K, Half Marathon, Marathon, 50K.
- How big is it, and how fast?
- In 2025, 302 runners finished the Half Marathon; the median finish was 2:31:42 and the winner ran 1:22:49.
- Is it a fast course?
- The fastest quarter of the 2025 half marathon field finished under 2:15:45, against 2:16:23 in a typical US trail half marathon, so times here are about average.
- Where does it start?
- Behind the Rocks Trail, Moab, UT 84532.