In 20 days · Sun, Nov 1, 2026
Don't let race day sneak up
One email during race week. That's it.
Sunday, November 1st, 2026
324 N Coulson St, Fruita CO
Marathon · Half
37–59°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
35–63°F
dry
2024
35–56°F
dry
2023
32–53°F
dry
2022
39–61°F
dry
2021
43–61°F
dry
2020
37–65°F
dry
2019
23–50°F
dry
2018
38–55°F
dry
2017
42–70°F
dry
2016
44–65°F
dry
Best months to race in Colorado →
Race-day forecast says layers
37°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
About this race
Welcome to registration for the 2026 RIM ROCK MARATHON & HALF .
This event is being produced with people who run, work, and play in the Grand Junction community, and we couldn't be prouder to have you join us.
Register by 10/1 to have your name printed on the front of your bib. After 10/1, they will be written on the back.
Visit grandjunctionsports.org/rimrockmarathon for event details, including course maps and more.
Please contact the Grand Junction Sports Commission with any questions or support needed during the registration process. We are always looking for volunteers as well; direct any interested individuals our way.
In the unlikely case of severe weather, or any other external issues that prevent the event from taking place, all athletes will receive a FULL REFUND or have the option to defer their entry until 2027. No refunds otherwise. Deferrals will only be accepted until Monday, 10/26.
Course map
Train with a club
Run clubs near Fruita to train with before race day.
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