Rim Rock Marathon
Race Day Weather
Cool start, mild finish
Runners will face temperatures rising from 45°F at the start to 51°F by the finish. With light winds and humidity around 70%, pacing should be conservative early on to maintain stamina. As conditions remain dry, hydration should be prioritized, especially as temperatures increase later in the race.
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Race Info
The Rim Rock Marathon and Half Marathon run along Rim Rock Drive through Colorado National Monument between Grand Junction and Fruita, Colorado. First held in 1997, the race is organized by the Grand Junction Sports Commission and finishes at Fruita's Circle Park. The 2025 edition (the 29th annual) drew nearly 600 finishers, its largest field to date. Source
Race weekend
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 35°/55° | - | 23° | |
2024 |  | 44°/50° | - | 34° | |
2023 | | 42°/58° | - | 28° | |
2022 | | 39°/47° | - | 36° |