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Colorado Marathon

Fort Collins, CO, USA

Partly cloudy throughout the day.

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Details
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Pre-Race
Race
Post-Race
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Race Overview

Welcome to the Colorado Marathon, one of the most stunning races in the country! This annual marathon is held in the verdant Poudre Canyon, nestled in the picturesque Rocky Mountains, just outside of the beautiful city of Fort Collins.
Wikipedia

FAQ

When is the 2026 Colorado Marathon?

The 2026 Colorado Marathon will be held on Sunday May 3, 2026.

Is the Colorado Marathon a Boston Marathon Qualfier?

Yes, the Colorado Marathon is an official Boston Marathon qualifier.

Colorado Marathon Weather History

Colorado Marathon Weather Averages

Average Temp: 54°, Average Low: 41°, Average High: 67°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
44°
47°
51°
55°
58°
61°
63°
64°
Feel41°45°50°54°58°61°63°64°
Rain--------
Wind5mph
7mph
6mph
6mph
6mph
7mph
7mph
10mph
Dew33°34°35°35°34°33°32°32°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Colorado Marathon 2025

May 4, 2025
Clear conditions throughout the day.
Low: 42°, High: 75°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 43°
clear-day 48°
clear-day 52°
clear-day 57°
clear-day 63°
clear-day 68°
partly-cloudy-day 71°
clear-day 75°
Feel40°44°52°57°63°68°71°75°
Rain--------
Wind5mph
10mph
5mph
6mph
5mph
4mph
1mph
22mph
Dew35°36°39°38°38°39°40°35°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 5

Colorado Marathon 2024

May 5, 2024
Clear conditions throughout the day.
Low: 36°, High: 75°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 40°
clear-day 45°
clear-day 48°
clear-day 49°
clear-day 51°
clear-day 54°
clear-day 58°
clear-day 60°
Feel35°41°45°46°51°54°58°60°
Rain--------
Wind6mph
8mph
6mph
6mph
3mph
5mph
8mph
5mph
Dew36°37°39°39°40°39°41°38°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Colorado Marathon 2023

May 7, 2023
Partly cloudy throughout the day with afternoon rain.
Low: 47°, High: 67°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 48°
cloudy 51°
cloudy 53°
partly-cloudy-day 56°
partly-cloudy-day 58°
rain 59°
partly-cloudy-day 63°
clear-day 67°
Feel48°51°53°56°58°59°63°67°
Rain-----light--
Wind1mph
6mph
6mph
9mph
7mph
10mph
8mph
11mph
Dew33°32°38°34°39°40°40°36°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 8

Colorado Marathon 2022

May 1, 2022
Becoming cloudy in the afternoon with late afternoon rain.
Low: 37°, High: 67°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 39°
clear-day 41°
clear-day 46°
clear-day 50°
clear-day 54°
clear-day 57°
clear-day 61°
clear-day 64°
Feel35°36°41°48°54°57°61°64°
Rain--------
Wind6mph
8mph
8mph
5mph
6mph
9mph
6mph
7mph
Dew26°27°27°28°26°28°29°29°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Colorado Marathon 2021

Oct 24, 2021
Clear conditions throughout the day.
Low: 39°, High: 69°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-night 40°
clear-day 39°
partly-cloudy-day 41°
partly-cloudy-day 49°
partly-cloudy-day 58°
clear-day 61°
clear-day 65°
clear-day 67°
Feel40°37°38°47°58°61°65°67°
Rain--------
Wind0mph
4mph
5mph
5mph
7mph
5mph
8mph
6mph
Dew35°36°36°38°37°34°29°26°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Colorado Marathon 2019

May 5, 2019
Clear conditions throughout the day.
Low: 45°, High: 76°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 50°
clear-day 56°
clear-day 63°
clear-day 65°
clear-day 68°
partly-cloudy-day 69°
clear-day 72°
partly-cloudy-day 72°
Feel50°56°63°65°68°69°72°72°
Rain--------
Wind0mph
7mph
5mph
7mph
4mph
6mph
4mph
6mph
Dew36°38°37°31°29°30°29°29°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 9

Colorado Marathon 2018

May 6, 2018
Clear conditions throughout the day.
Low: 48°, High: 76°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 50°
clear-day 54°
clear-day 58°
clear-day 63°
clear-day 66°
clear-day 68°
clear-day 71°
clear-day 74°
Feel49°54°58°63°66°68°71°74°
Rain--------
Wind3mph
5mph
0mph
5mph
5mph
5mph
1mph
5mph
Dew41°42°41°44°45°46°44°43°
RunScoreRun Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8

Colorado Marathon 2017

May 7, 2017
Clear conditions throughout the day with afternoon rain.
Low: 50°, High: 82°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 54°
clear-day 58°
clear-day 64°
clear-day 71°
clear-day 74°
clear-day 77°
clear-day 80°
clear-day 82°
Feel54°58°64°71°74°77°79°80°
Rain--------
Wind5mph
7mph
4mph
1mph
6mph
8mph
9mph
15mph
Dew44°45°43°42°41°43°41°42°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 6

Colorado Marathon 2016

May 1, 2016
Partly cloudy throughout the day with rain or snow clearing later.
Low: 35°, High: 45°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
rain 35°
rain 35°
partly-cloudy-day 37°
cloudy 39°
cloudy 40°
cloudy 42°
cloudy 42°
cloudy 43°
Feel27°27°30°32°35°40°38°39°
Rainlightlight------
Wind11mph
10mph
10mph
9mph
7mph
3mph
6mph
6mph
Dew29°31°31°34°30°28°27°27°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Colorado Marathon 2015

May 3, 2015
Clear conditions throughout the day.
Low: 46°, High: 75°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 47°
clear-day 56°
clear-day 63°
clear-day 68°
clear-day 72°
clear-day 75°
clear-day 75°
partly-cloudy-day 67°
Feel47°56°63°68°72°75°75°67°
Rain--------
Wind0mph
0mph
5mph
4mph
8mph
6mph
6mph
9mph
Dew39°44°43°45°43°42°41°39°
RunScoreRun Score: 7Run Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Colorado Marathon 2014

May 4, 2014
Clear conditions throughout the day.
Low: 50°, High: 83°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 51°
clear-day 50°
clear-day 59°
clear-day 68°
clear-day 73°
clear-day 79°
clear-day 81°
clear-day 83°
Feel51°50°59°68°73°79°79°80°
Rain--------
Wind1mph
6mph
4mph
8mph
12mph
14mph
17mph
20mph
Dew29°37°39°38°36°27°23°24°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 7Run Score: 7Run Score: 6Run Score: 6

Colorado Marathon 2013

May 5, 2013
Partly cloudy throughout the day.
Low: 33°, High: 61°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 36°
clear-day 40°
clear-day 43°
clear-day 48°
clear-day 50°
clear-day 54°
clear-day 56°
clear-day 59°
Feel29°34°38°44°46°54°56°59°
Rain--------
Wind8mph
9mph
11mph
8mph
8mph
12mph
11mph
11mph
Dew26°23°25°26°27°31°30°30°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Colorado Marathon 2012

May 6, 2012
Becoming cloudy in the afternoon with late afternoon rain.
Low: 45°, High: 60°, Moderate Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 48°
clear-day 52°
clear-day 52°
clear-day 55°
clear-day 57°
clear-day 59°
clear-day 60°
clear-day 59°
Feel42°52°52°55°57°59°60°59°
Rain--------
Wind14mph
10mph
6mph
7mph
9mph
13mph
13mph
8mph
Dew22°21°21°25°26°25°25°26°
RunScoreRun Score: 7Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 9

Colorado Marathon 2011

May 1, 2011
Becoming cloudy in the afternoon.
Low: 33°, High: 51°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 36°
clear-day 40°
clear-day 44°
clear-day 46°
clear-day 47°
partly-cloudy-day 51°
partly-cloudy-day 51°
partly-cloudy-day 50°
Feel36°36°40°41°44°51°51°50°
Rain--------
Wind0mph
5mph
6mph
9mph
7mph
4mph
11mph
16mph
Dew22°22°18°17°16°16°15°17°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 7

Colorado Marathon 2010

May 10, 2010
Partly cloudy throughout the day.
Low: 43°, High: 65°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 48°
partly-cloudy-day 49°
partly-cloudy-day 53°
partly-cloudy-day 55°
partly-cloudy-day 56°
partly-cloudy-day 59°
partly-cloudy-day 62°
partly-cloudy-day 63°
Feel44°45°53°55°56°59°62°63°
Rain--------
Wind9mph
8mph
7mph
7mph
8mph
6mph
7mph
10mph
Dew46°46°45°45°42°35°30°30°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8

Colorado Marathon 2009

May 3, 2009
Partly cloudy throughout the day with early morning rain.
Low: 39°, High: 62°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 43°
cloudy 44°
cloudy 46°
cloudy 48°
partly-cloudy-day 53°
cloudy 55°
partly-cloudy-day 55°
cloudy 55°
Feel43°44°46°48°53°55°55°55°
Rain--------
Wind1mph
3mph
3mph
0mph
5mph
5mph
6mph
5mph
Dew40°40°39°39°41°41°44°43°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Colorado Marathon 2008

May 4, 2008
Becoming cloudy in the afternoon.
Low: 32°, High: 69°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 44°
clear-day 51°
clear-day 56°
clear-day 60°
clear-day 62°
clear-day 64°
clear-day 67°
partly-cloudy-day 66°
Feel40°51°56°60°62°64°67°66°
Rain--------
Wind7mph
8mph
9mph
9mph
7mph
6mph
4mph
4mph
Dew28°27°27°25°25°23°25°25°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9

Colorado Marathon 2007

May 6, 2007
Partly cloudy throughout the day.
Low: 36°, High: 53°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 39°
partly-cloudy-day 43°
partly-cloudy-day 46°
clear-day 51°
partly-cloudy-day 51°
partly-cloudy-day 53°
cloudy 51°
cloudy 50°
Feel34°39°43°51°51°53°51°45°
Rain--------
Wind6mph
6mph
7mph
8mph
1mph
8mph
6mph
12mph
Dew34°36°36°36°30°31°32°30°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 9Run Score: 9Run Score: 8