Runners will face a steady temperature from 51°F at the start to 53°F at the finish. With light rain expected and humidity at 81%, maintaining hydration is crucial. Moderate winds from the east at 17 mph will create a headwind throughout, so runners should consider adjusting their pacing strategy accordingly.

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Distance: 26.2mi

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About the Rim Rock Marathon

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

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Race weekend

Sunday, November 1

7:30 AMMarathon (26.2 mi)

9:00 AMHalf Marathon (13.1 mi)

Course Map

Rim Rock Marathon FAQ

When is the 2026 Rim Rock Marathon?

The 2026 Rim Rock Marathon will be held on Sunday November 1, 2026.

What will the weather be like for the 2026 Rim Rock Marathon?

The forecast calls for a high of 57°F and a low of 49°F with a 100% chance of rain.

What is the weather usually like for the Rim Rock Marathon?

Over the 5 years racecast.io has race-day weather for (2022 to 2026), it averaged 42°F at the start and 53°F by a typical finish. Rain fell during race hours in 1 of those years (2026).

What was the hottest Rim Rock Marathon?

Of the 5 years on record, 2023 was the warmest, reaching 58°F during race hours. The coldest start was 2025, at 35°F.

What was the windiest Rim Rock Marathon?

Of the 5 years on record, 2026 was the windiest, with wind averaging 12 mph during race hours. The calmest was 2025, at 2 mph.

Rim Rock Marathon weather history

Based on 5 years of data

Avg Temp

48°F

L:42° H:53°

RunScore

Conditions

Rain Freq

20%

1 of 5 yrs

Wind5mph

Dew33°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Rim Rock Marathon Cloudy skies throughout the day with rain. 2026	51°/53°	Light	45°
2025 Rim Rock Marathon Clear conditions throughout the day. 2025	35°/55°	-	23°
2024 Rim Rock Marathon Cloudy skies throughout the day with rain. 2024	44°/50°	-	34°
2023 Rim Rock Marathon Clear conditions throughout the day. 2023	42°/58°	-	28°
2022 Rim Rock Marathon Partly cloudy throughout the day. 2022	39°/47°	-	36°

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