Autumn Run

Buena Vista, CO, USA · September 18, 2027
clear-day60°·69° high·Light·Dry
9
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Race Day Weather

clear-day
60°at start
74° high
Light
Dry

Warm start, steady finish

Runners will face temperatures rising from 60°F at the start to 71°F by the end. With light winds from the WSW at 7 mph, conditions are favorable for running. Humidity is low at 37%, allowing for a comfortable race. Adjust pacing conservatively in the warmer temperatures as they progress.

Race day forecast available in 319 days
clear-day8
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clear-day9
clear-day9
partly-cloudy-day8
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partly-cloudy-day8

Pace Calculator

Distance: 13.1mi
0:00:00
HH:MM:SS
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Race Info

The Autumn Run takes place on the third Saturday of September in Buena Vista, Colorado, in the upper Arkansas River Valley below the Collegiate Peaks. The half marathon starts near Cottonwood Lake and finishes at McPhelemy Park. A 10K, 5K, and free kids' fun run share the same race weekend. Source

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Course Map

Course Map Unavailable

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FAQ

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When is the 2027 Autumn Run?

The 2027 Autumn Run will be held on Saturday September 18, 2027.

Is the Autumn Run a Boston Marathon Qualifier?

No, the Autumn Run is NOT a Boston Marathon qualifier.

What is the time limit for the Autumn Run?

The time limit for the Autumn Run is 2:00 PM hours.

What will the weather be like for the 2027 Autumn Run?

The forecast calls for a high of 75°F and a low of 46°F with a 4% chance of rain.

Historical Weather

Based on 9 years of data
Avg Temp
62°F
L:57° H:62°
RunScore
8
Conditions
Rain Freq
11%
1 of 9 yrs
Wind8mph
Dew29°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2026 Autumn Run

Partly cloudy throughout the day with morning rain.

2026
partly-cloudy-day
57°/61°Light
7

2025 Autumn Run

Partly cloudy throughout the day with afternoon rain.

2025
partly-cloudy-day
55°/60°-
9

2024 Autumn Run

Becoming cloudy in the afternoon with late afternoon rain.

2024
clear-day
62°/65°-
8

2023 Autumn Run

Clear conditions throughout the day.

2023
clear-day
50°/53°-
8

2022 Autumn Run

Partly cloudy throughout the day.

2022
partly-cloudy-day
58°/64°-
9

2019 Autumn Run

Clear conditions throughout the day.

2019
clear-day
57°/62°-
8

2018 Autumn Run

Clear conditions throughout the day.

2018
clear-day
66°/71°-
9

2017 Autumn Run

Partly cloudy throughout the day.

2017
partly-cloudy-day
55°/60°-
8

2016 Autumn Run

Clear conditions throughout the day.

2016
clear-day
53°/59°-
9

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