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Casper Marathon

Casper, WY, 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

The Casper Marathon is an annual road race held in Casper, Wyoming, first run in 2003. The course starts at the WYO Sports Ranch and finishes at Crossroads Park, following the Platte River Trails system through downtown Casper. The marathon is certified as a Boston Marathon qualifier and is sanctioned by USA Track and Field. The event also includes a half marathon, 10K, and relay divisions.
Wikipedia

FAQ

When is the 2027 Casper Marathon?

The 2027 Casper Marathon will be held on Sunday June 6, 2027.

Is the Casper Marathon a Boston Marathon Qualfier?

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

What is the time limit for the Casper Marathon?

The time limit for the Casper Marathon is 6.5 hours.

Casper Marathon Weather History

Casper Marathon Weather Averages

Average Temp: 62°, Average Low: 46°, Average High: 78°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
48°
52°
57°
62°
66°
70°
72°
Feel46°52°57°62°66°69°71°
Rain-------
Wind6mph
5mph
7mph
7mph
9mph
10mph
10mph
Dew42°45°45°45°44°42°42°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 7

Casper Marathon 2026

Jun 7, 2026
Clear conditions throughout the day.
Low: 51°, High: 89°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 51°
clear-day 58°
clear-day 67°
clear-day 70°
clear-day 77°
clear-day 84°
clear-day 87°
Feel51°58°67°70°77°81°84°
Rain-------
Wind8mph
5mph
5mph
3mph
11mph
16mph
19mph
Dew46°49°46°43°38°30°29°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 7Run Score: 6Run Score: 5

Casper Marathon 2025

Jun 1, 2025
Clear conditions throughout the day with late afternoon rain.
Low: 45°, High: 91°, Light Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 47°
clear-day 57°
clear-day 61°
clear-day 69°
clear-day 77°
clear-day 80°
clear-day 83°
Feel47°57°61°69°77°80°81°
Rain-------
Wind0mph
0mph
0mph
5mph
14mph
10mph
9mph
Dew40°44°45°49°48°48°47°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 7Run Score: 7Run Score: 7

Casper Marathon 2024

Jun 2, 2024
Becoming cloudy in the afternoon with afternoon rain.
Low: 50°, High: 75°, Light Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 56°
clear-day 57°
clear-day 61°
clear-day 65°
partly-cloudy-day 68°
partly-cloudy-day 71°
partly-cloudy-day 73°
Feel56°57°61°65°68°71°73°
Rain-------
Wind6mph
8mph
0mph
6mph
14mph
11mph
12mph
Dew39°41°45°42°41°38°37°
RunScoreRun Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 7Run Score: 8Run Score: 7

Casper Marathon 2023

Jun 4, 2023
Partly cloudy throughout the day with afternoon rain.
Low: 52°, High: 68°, Heavy Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
partly-cloudy-day 52°
partly-cloudy-day 55°
cloudy 56°
partly-cloudy-day 60°
cloudy 62°
cloudy 63°
rain 61°
Feel52°55°56°60°62°63°61°
Rain------light
Wind5mph
0mph
5mph
0mph
0mph
4mph
0mph
Dew51°53°54°54°53°53°56°
RunScoreRun Score: 9Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 9Run Score: 8

Casper Marathon 2022

Jun 5, 2022
Becoming cloudy in the afternoon.
Low: 51°, High: 73°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 51°
clear-day 53°
clear-day 60°
clear-day 64°
clear-day 66°
clear-day 68°
partly-cloudy-day 66°
Feel51°53°60°64°66°68°66°
Rain-------
Wind8mph
10mph
16mph
13mph
12mph
11mph
8mph
Dew47°45°45°45°47°45°46°
RunScoreRun Score: 9Run Score: 8Run Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 9

Casper Marathon 2021

Jun 6, 2021
Clear conditions throughout the day.
Low: 57°, High: 89°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 63°
clear-day 57°
clear-day 62°
clear-day 64°
clear-day 67°
clear-day 69°
clear-day 72°
Feel63°57°62°64°67°69°72°
Rain-------
Wind9mph
10mph
10mph
8mph
10mph
10mph
5mph
Dew40°48°48°48°47°46°45°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2019

Jun 2, 2019
Clear conditions throughout the day.
Low: 42°, High: 77°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 44°
clear-day 51°
clear-day 57°
clear-day 62°
clear-day 66°
clear-day 70°
clear-day 72°
Feel43°51°57°62°66°70°72°
Rain-------
Wind4mph
10mph
11mph
12mph
7mph
8mph
5mph
Dew44°49°51°50°49°52°50°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 8

Casper Marathon 2018

Jun 3, 2018
Clear conditions throughout the day.
Low: 38°, High: 79°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 39°
clear-day 46°
clear-day 53°
clear-day 58°
clear-day 63°
clear-day 68°
clear-day 71°
Feel34°45°53°58°63°68°71°
Rain-------
Wind8mph
4mph
0mph
0mph
1mph
5mph
6mph
Dew37°40°40°39°39°40°40°
RunScoreRun Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8

Casper Marathon 2017

Jun 4, 2017
Clear conditions throughout the day.
Low: 44°, High: 86°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 46°
clear-day 55°
clear-day 61°
clear-day 65°
clear-day 72°
clear-day 75°
clear-day 79°
Feel45°55°61°65°72°75°79°
Rain-------
Wind3mph
3mph
4mph
4mph
7mph
10mph
7mph
Dew42°47°45°46°48°42°43°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2016

Jun 5, 2016
Partly cloudy throughout the day.
Low: 46°, High: 82°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
cloudy 48°
partly-cloudy-day 50°
partly-cloudy-day 58°
clear-day 65°
clear-day 70°
clear-day 73°
clear-day 78°
Feel45°50°58°65°70°73°78°
Rain-------
Wind7mph
6mph
0mph
0mph
5mph
3mph
6mph
Dew42°43°44°44°45°44°43°
RunScoreRun Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2015

Jun 7, 2015
Partly cloudy throughout the day with rain clearing later.
Low: 53°, High: 73°, Moderate Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
rain 53°
cloudy 54°
clear-day 58°
partly-cloudy-day 61°
clear-day 64°
clear-day 68°
clear-day 70°
Feel53°54°58°61°64°68°70°
Rainlight------
Wind8mph
8mph
9mph
8mph
10mph
5mph
5mph
Dew50°51°52°52°48°49°47°
RunScoreRun Score: 6Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 8

Casper Marathon 2014

Jun 1, 2014
Partly cloudy throughout the day with rain.
Low: 44°, High: 65°, Moderate Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 44°
partly-cloudy-day 49°
rain 53°
rain 55°
clear-day 61°
clear-day 65°
cloudy 61°
Feel40°49°53°55°61°65°61°
Rain--lightlight---
Wind9mph
0mph
11mph
8mph
8mph
7mph
14mph
Dew43°46°48°50°47°44°43°
RunScoreRun Score: 8Run Score: 8Run Score: 6Run Score: 7Run Score: 9Run Score: 9Run Score: 8

Casper Marathon 2013

Jun 2, 2013
Clear conditions throughout the day.
Low: 36°, High: 83°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 36°
clear-day 46°
clear-day 51°
clear-day 55°
clear-day 63°
clear-day 71°
clear-day 75°
Feel33°46°51°55°63°71°75°
Rain-------
Wind4mph
0mph
4mph
0mph
9mph
21mph
21mph
Dew32°38°38°37°36°34°34°
RunScoreRun Score: 7Run Score: 7Run Score: 9Run Score: 8Run Score: 8Run Score: 6Run Score: 6

Casper Marathon 2012

Jun 3, 2012
Clear conditions throughout the day with afternoon rain.
Low: 53°, High: 83°, Light Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 53°
clear-day 59°
clear-day 62°
partly-cloudy-day 67°
clear-day 70°
clear-day 74°
clear-day 77°
Feel53°59°62°67°70°74°77°
Rain-------
Wind5mph
0mph
3mph
5mph
5mph
4mph
3mph
Dew44°46°45°45°44°44°43°
RunScoreRun Score: 9Run Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2011

Jun 5, 2011
Clear conditions throughout the day.
Low: 43°, High: 86°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 45°
clear-day 48°
clear-day 58°
clear-day 67°
clear-day 74°
clear-day 78°
clear-day 81°
Feel42°48°58°67°74°78°79°
Rain-------
Wind6mph
0mph
3mph
8mph
16mph
13mph
7mph
Dew43°45°47°45°43°36°36°
RunScoreRun Score: 8Run Score: 7Run Score: 9Run Score: 9Run Score: 6Run Score: 7Run Score: 8

Casper Marathon 2010

Jun 6, 2010
Clear conditions throughout the day.
Low: 43°, High: 74°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 43°
clear-day 50°
partly-cloudy-day 54°
clear-day 59°
partly-cloudy-day 62°
clear-day 69°
clear-day 71°
Feel43°50°54°59°62°69°71°
Rain-------
Wind0mph
0mph
3mph
0mph
0mph
8mph
8mph
Dew40°46°46°46°46°47°46°
RunScoreRun Score: 7Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2009

Jun 7, 2009
Cloudy skies throughout the day with rain.
Low: 38°, High: 48°, Moderate Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
cloudy 43°
cloudy 41°
cloudy 43°
cloudy 43°
cloudy 45°
cloudy 45°
cloudy 48°
Feel38°34°39°39°41°40°42°
Rain-------
Wind8mph
14mph
7mph
8mph
8mph
10mph
15mph
Dew41°39°40°40°41°40°42°
RunScoreRun Score: 8Run Score: 6Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 6

Casper Marathon 2008

Jun 8, 2008
Partly cloudy throughout the day.
Low: 35°, High: 64°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 36°
clear-day 41°
clear-day 47°
clear-day 51°
clear-day 54°
partly-cloudy-day 57°
partly-cloudy-day 59°
Feel28°34°40°51°54°57°59°
Rain-------
Wind11mph
14mph
21mph
20mph
26mph
16mph
22mph
Dew29°29°28°26°25°26°24°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 6Run Score: 7Run Score: 7Run Score: 6

Casper Marathon 2007

Jun 3, 2007
Clear conditions throughout the day.
Low: 40°, High: 75°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 40°
clear-day 48°
clear-day 54°
clear-day 60°
clear-day 64°
clear-day 64°
clear-day 68°
Feel38°47°54°60°64°64°68°
Rain-------
Wind3mph
3mph
4mph
6mph
4mph
4mph
4mph
Dew39°46°49°49°48°44°46°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8

Casper Marathon 2006

Jun 4, 2006
Clear conditions throughout the day.
Low: 48°, High: 85°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 48°
clear-day 55°
clear-day 60°
clear-day 65°
clear-day 71°
clear-day 74°
clear-day 79°
Feel44°55°60°65°71°74°79°
Rain-------
Wind8mph
4mph
6mph
11mph
11mph
8mph
8mph
Dew44°47°47°47°47°45°42°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2005

Jun 5, 2005
Clear conditions throughout the day.
Low: 40°, High: 75°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 45°
clear-day 52°
clear-day 56°
clear-day 60°
clear-day 64°
clear-day 67°
partly-cloudy-day 69°
Feel42°52°56°60°64°67°69°
Rain-------
Wind4mph
7mph
14mph
17mph
14mph
16mph
14mph
Dew39°43°42°42°43°38°36°
RunScoreRun Score: 8Run Score: 9Run Score: 7Run Score: 7Run Score: 7Run Score: 7Run Score: 7

Casper Marathon 2004

Jun 6, 2004
Clear conditions throughout the day.
Low: 55°, High: 91°
Time6AM7AM8AM9AM10AM11AM12PM
Temp
clear-day 63°
clear-day 70°
clear-day 73°
clear-day 77°
clear-day 83°
clear-day 85°
clear-day 88°
Feel63°70°73°77°81°82°84°
Rain-------
Wind14mph
12mph
17mph
17mph
21mph
23mph
27mph
Dew38°39°38°38°38°38°34°
RunScoreRun Score: 7Run Score: 8Run Score: 6Run Score: 6Run Score: 5Run Score: 5Run Score: 5

Casper Marathon 2003

Jun 1, 2003
Partly cloudy throughout the day with late afternoon rain.
Low: 46°, High: 75°, Light Rain
Time6AM7AM8AM9AM10AM11AM12PM
Temp
partly-cloudy-day 50°
cloudy 52°
partly-cloudy-day 56°
clear-day 60°
partly-cloudy-day 62°
partly-cloudy-day 64°
cloudy 66°
Feel50°52°56°60°62°64°66°
Rain-------
Wind3mph
3mph
7mph
4mph
4mph
5mph
6mph
Dew48°49°49°49°49°49°48°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9