The 2023 event has concluded.

Mountain Rats Festival

Eagle, CO, USA • September 16, 2023

Race Day Weather

36°

72° high

Light

Dry

Cool start, warm finish

Runners will face a temperature rise from 36°F at the start to 70°F by the finish, with a light wind from the SE at 5 mph. Humidity levels will be moderate at 66%, prompting the need for hydration strategies as temperatures climb. It is advisable to start conservatively and adjust pacing as the race progresses.

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

Pre-raceRace windowPost-race

Area Map

Course Map

FAQ

When is the 2023 Mountain Rats Festival?

The 2023 Mountain Rats Festival will be held on Saturday September 16, 2023.

What will the weather be like for the 2023 Mountain Rats Festival?

The forecast calls for a high of 76°F and a low of 36°F with a 0% chance of rain.

Historical Weather

Based on 1 years of data

Avg Temp

70°F

L:36° H:70°

RunScore

Conditions

Rain Freq

0%

0 of 1 yrs

Wind0mph

Dew32°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2023 Mountain Rats Festival Clear conditions throughout the day. 2023		36°/70°	-	37°

More CO Races

Boulder Boulder

2026-05-25 · Boulder, CO, USA

Steamboat Marathon

2026-06-07 · Steamboat Springs, CO, USA

Estes Park Marathon

2026-06-21 · Estes Park, CO, USA

Leadville Trail Marathon

2026-06-27 · Leadville, CO, USA

2026-07-10 · Silverton, CO, USA

Aspen Valley Marathon

2026-07-25 · Basalt, CO, USA