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Casper Marathon

Casper, WY, USA

Clear conditions throughout the day.

partly-cloudy-night
9
partly-cloudy-day
9
Details
partly-cloudy-day
9
clear-day
8
clear-day
8
clear-day
8
clear-day
8
clear-day
7
clear-day
7
clear-day
7
partly-cloudy-day
7
Wind
12mph
Gusting to
30mph
Pre-Race
Race
Post-Race
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Race Overview

The Visit Casper Marathon seeks to create a unique and memorable race experience for all its participants whether they are first time runners or elite athletes. We strive for a safe, enjoyable, and yet a challenging race events that pushes racers to achieve their best within our supportive running atmosphere and the Casper Wyoming community.
Wikipedia

FAQ

When is the 2026 Casper Marathon?

The 2026 Casper Marathon will be held on Sunday June 7, 2026.

Is the Casper Marathon a Boston Marathon Qualfier?

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

Casper Marathon Weather History

Casper Marathon Weather Averages

Average Temp: 62°, Average Low: 46°, Average High: 77°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
52°
57°
62°
66°
69°
71°
74°
74°
Feel51°57°61°65°69°71°73°72°
Rain--------
Wind5mph
7mph
7mph
9mph
10mph
10mph
12mph
11mph
Dew44°45°45°44°43°42°41°39°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 7

Casper Marathon 2025

Jun 1, 2025
Clear conditions throughout the day with late afternoon rain.
Low: 45°, High: 91°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 57°
clear-day 61°
clear-day 69°
clear-day 77°
clear-day 80°
clear-day 83°
clear-day 88°
clear-day 90°
Feel57°61°69°77°80°81°85°86°
Rain--------
Wind0mph
0mph
5mph
14mph
10mph
9mph
11mph
11mph
Dew44°45°49°48°48°47°43°36°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 7Run Score: 7Run Score: 7Run Score: 6Run Score: 6

Casper Marathon 2024

Jun 2, 2024
Becoming cloudy in the afternoon with afternoon rain.
Low: 50°, High: 75°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 57°
clear-day 61°
clear-day 65°
partly-cloudy-day 68°
partly-cloudy-day 71°
partly-cloudy-day 73°
partly-cloudy-day 73°
clear-day 75°
Feel57°61°65°68°71°73°73°75°
Rain--------
Wind8mph
0mph
6mph
14mph
11mph
12mph
13mph
13mph
Dew41°45°42°41°38°37°36°37°
RunScoreRun Score: 9Run Score: 8Run Score: 9Run Score: 7Run Score: 8Run Score: 7Run Score: 7Run Score: 7

Casper Marathon 2023

Jun 4, 2023
Partly cloudy throughout the day with afternoon rain.
Low: 52°, High: 68°, Heavy Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 55°
cloudy 56°
partly-cloudy-day 60°
cloudy 62°
cloudy 63°
rain 61°
rain 61°
rain 59°
Feel55°56°60°62°63°61°61°59°
Rain-----lightlightlight
Wind0mph
5mph
0mph
0mph
4mph
0mph
4mph
5mph
Dew53°54°54°53°53°56°57°57°
RunScoreRun Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 9Run Score: 6

Casper Marathon 2022

Jun 5, 2022
Becoming cloudy in the afternoon.
Low: 51°, High: 73°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 53°
clear-day 60°
clear-day 64°
clear-day 66°
clear-day 68°
partly-cloudy-day 66°
partly-cloudy-day 70°
partly-cloudy-day 72°
Feel53°60°64°66°68°66°70°72°
Rain--------
Wind10mph
16mph
13mph
12mph
11mph
8mph
11mph
16mph
Dew45°45°45°47°45°46°45°43°
RunScoreRun Score: 8Run Score: 7Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 6

Casper Marathon 2021

Jun 6, 2021
Clear conditions throughout the day.
Low: 57°, High: 89°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 57°
clear-day 62°
clear-day 64°
clear-day 67°
clear-day 69°
clear-day 72°
clear-day 76°
clear-day 77°
Feel57°62°64°67°69°72°76°77°
Rain--------
Wind10mph
10mph
8mph
10mph
10mph
5mph
8mph
0mph
Dew48°48°48°47°46°45°44°42°
RunScoreRun Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 7

Casper Marathon 2019

Jun 2, 2019
Clear conditions throughout the day.
Low: 42°, High: 77°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 51°
clear-day 57°
clear-day 62°
clear-day 66°
clear-day 70°
clear-day 72°
clear-day 75°
clear-day 77°
Feel51°57°62°66°70°72°75°77°
Rain--------
Wind10mph
11mph
12mph
7mph
8mph
5mph
0mph
3mph
Dew49°51°50°49°52°50°48°43°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 7Run Score: 8

Casper Marathon 2018

Jun 3, 2018
Clear conditions throughout the day.
Low: 38°, High: 79°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 46°
clear-day 53°
clear-day 58°
clear-day 63°
clear-day 68°
clear-day 71°
clear-day 75°
clear-day 76°
Feel45°53°58°63°68°71°75°76°
Rain--------
Wind4mph
0mph
0mph
1mph
5mph
6mph
7mph
7mph
Dew40°40°39°39°40°40°40°41°
RunScoreRun Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2017

Jun 4, 2017
Clear conditions throughout the day.
Low: 44°, High: 86°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 55°
clear-day 61°
clear-day 65°
clear-day 72°
clear-day 75°
clear-day 79°
clear-day 80°
clear-day 82°
Feel55°61°65°72°75°79°79°80°
Rain--------
Wind3mph
4mph
4mph
7mph
10mph
7mph
6mph
7mph
Dew47°45°46°48°42°43°39°35°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2016

Jun 5, 2016
Partly cloudy throughout the day.
Low: 46°, High: 82°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 50°
partly-cloudy-day 58°
clear-day 65°
clear-day 70°
clear-day 73°
clear-day 78°
clear-day 81°
clear-day 80°
Feel50°58°65°70°73°78°80°79°
Rain--------
Wind6mph
0mph
0mph
5mph
3mph
6mph
10mph
5mph
Dew43°44°44°45°44°43°42°38°
RunScoreRun Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 8

Casper Marathon 2015

Jun 7, 2015
Partly cloudy throughout the day with rain clearing later.
Low: 53°, High: 73°, Moderate Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 54°
clear-day 58°
partly-cloudy-day 61°
clear-day 64°
clear-day 68°
clear-day 70°
partly-cloudy-day 69°
cloudy 71°
Feel54°58°61°64°68°70°69°71°
Rain--------
Wind8mph
9mph
8mph
10mph
5mph
5mph
8mph
6mph
Dew51°52°52°48°49°47°47°47°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2014

Jun 1, 2014
Partly cloudy throughout the day with rain.
Low: 44°, High: 65°, Moderate Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
partly-cloudy-day 49°
rain 53°
rain 55°
clear-day 61°
clear-day 65°
cloudy 61°
partly-cloudy-day 65°
rain 50°
Feel49°53°55°61°65°61°65°50°
Rain-lightlight----light
Wind0mph
11mph
8mph
8mph
7mph
14mph
6mph
9mph
Dew46°48°50°47°44°43°42°46°
RunScoreRun Score: 8Run Score: 6Run Score: 7Run Score: 9Run Score: 9Run Score: 8Run Score: 9Run Score: 6

Casper Marathon 2013

Jun 2, 2013
Clear conditions throughout the day.
Low: 36°, High: 83°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 46°
clear-day 51°
clear-day 55°
clear-day 63°
clear-day 71°
clear-day 75°
clear-day 78°
clear-day 79°
Feel46°51°55°63°71°75°78°79°
Rain--------
Wind0mph
4mph
0mph
9mph
21mph
21mph
14mph
5mph
Dew38°38°37°36°34°34°30°29°
RunScoreRun Score: 7Run Score: 9Run Score: 8Run Score: 8Run Score: 6Run Score: 6Run Score: 7Run Score: 8

Casper Marathon 2012

Jun 3, 2012
Clear conditions throughout the day with afternoon rain.
Low: 53°, High: 83°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 59°
clear-day 62°
partly-cloudy-day 67°
clear-day 70°
clear-day 74°
clear-day 77°
clear-day 79°
clear-day 83°
Feel59°62°67°70°74°77°79°81°
Rain--------
Wind0mph
3mph
5mph
5mph
4mph
3mph
7mph
5mph
Dew46°45°45°44°44°43°43°43°
RunScoreRun Score: 8Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8

Casper Marathon 2011

Jun 5, 2011
Clear conditions throughout the day.
Low: 43°, High: 86°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 48°
clear-day 58°
clear-day 67°
clear-day 74°
clear-day 78°
clear-day 81°
clear-day 83°
clear-day 85°
Feel48°58°67°74°78°79°80°82°
Rain--------
Wind0mph
3mph
8mph
16mph
13mph
7mph
18mph
22mph
Dew45°47°45°43°36°36°29°29°
RunScoreRun Score: 7Run Score: 9Run Score: 9Run Score: 6Run Score: 7Run Score: 8Run Score: 6Run Score: 5

Casper Marathon 2010

Jun 6, 2010
Clear conditions throughout the day.
Low: 43°, High: 74°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 50°
partly-cloudy-day 54°
clear-day 59°
partly-cloudy-day 62°
clear-day 69°
clear-day 71°
clear-day 74°
clear-day 73°
Feel50°54°59°62°69°71°74°73°
Rain--------
Wind0mph
3mph
0mph
0mph
8mph
8mph
13mph
14mph
Dew46°46°46°46°47°46°47°48°
RunScoreRun Score: 8Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 7

Casper Marathon 2009

Jun 7, 2009
Cloudy skies throughout the day with rain.
Low: 38°, High: 48°, Moderate Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 41°
cloudy 43°
cloudy 43°
cloudy 45°
cloudy 45°
cloudy 48°
rain 46°
cloudy 40°
Feel34°39°39°41°40°42°40°31°
Rain------light-
Wind14mph
7mph
8mph
8mph
10mph
15mph
17mph
20mph
Dew39°40°40°41°40°42°40°35°
RunScoreRun Score: 6Run Score: 8Run Score: 8Run Score: 8Run Score: 7Run Score: 6Run Score: 6Run Score: 4

Casper Marathon 2008

Jun 8, 2008
Partly cloudy throughout the day.
Low: 35°, High: 64°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 41°
clear-day 47°
clear-day 51°
clear-day 54°
partly-cloudy-day 57°
partly-cloudy-day 59°
clear-day 61°
partly-cloudy-day 63°
Feel34°40°51°54°57°59°61°63°
Rain--------
Wind14mph
21mph
20mph
26mph
16mph
22mph
21mph
23mph
Dew29°28°26°25°26°24°24°25°
RunScoreRun Score: 6Run Score: 6Run Score: 6Run Score: 7Run Score: 7Run Score: 6Run Score: 6Run Score: 6

Casper Marathon 2007

Jun 3, 2007
Clear conditions throughout the day.
Low: 40°, High: 75°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 48°
clear-day 54°
clear-day 60°
clear-day 64°
clear-day 64°
clear-day 68°
partly-cloudy-day 70°
partly-cloudy-day 71°
Feel47°54°60°64°64°68°70°71°
Rain--------
Wind3mph
4mph
6mph
4mph
4mph
4mph
9mph
0mph
Dew46°49°49°48°44°46°44°42°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 7

Casper Marathon 2006

Jun 4, 2006
Clear conditions throughout the day.
Low: 48°, High: 85°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 55°
clear-day 60°
clear-day 65°
clear-day 71°
clear-day 74°
clear-day 79°
clear-day 83°
clear-day 85°
Feel55°60°65°71°74°79°81°82°
Rain--------
Wind4mph
6mph
11mph
11mph
8mph
8mph
8mph
14mph
Dew47°47°47°47°45°42°38°36°
RunScoreRun Score: 9Run Score: 9Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 8Run Score: 6

Casper Marathon 2005

Jun 5, 2005
Clear conditions throughout the day.
Low: 40°, High: 75°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 52°
clear-day 56°
clear-day 60°
clear-day 64°
clear-day 67°
partly-cloudy-day 69°
partly-cloudy-day 72°
partly-cloudy-day 72°
Feel52°56°60°64°67°69°72°72°
Rain--------
Wind7mph
14mph
17mph
14mph
16mph
14mph
15mph
15mph
Dew43°42°42°43°38°36°34°31°
RunScoreRun Score: 9Run Score: 7Run Score: 7Run 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°
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
clear-day 70°
clear-day 73°
clear-day 77°
clear-day 83°
clear-day 85°
clear-day 88°
wind 90°
clear-day 91°
Feel70°73°77°81°82°84°86°87°
Rain--------
Wind12mph
17mph
17mph
21mph
23mph
27mph
38mph
29mph
Dew39°38°38°38°38°34°34°35°
RunScoreRun Score: 8Run Score: 6Run Score: 6Run Score: 5Run Score: 5Run Score: 5Run Score: 10Run Score: 6

Casper Marathon 2003

Jun 1, 2003
Partly cloudy throughout the day with late afternoon rain.
Low: 46°, High: 75°, Light Rain
Time7AM8AM9AM10AM11AM12PM1PM2PM
Temp
cloudy 52°
partly-cloudy-day 56°
clear-day 60°
partly-cloudy-day 62°
partly-cloudy-day 64°
cloudy 66°
partly-cloudy-day 72°
partly-cloudy-day 71°
Feel52°56°60°62°64°66°72°71°
Rain--------
Wind3mph
7mph
4mph
4mph
5mph
6mph
10mph
6mph
Dew49°49°49°49°49°48°48°47°
RunScoreRun Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 9Run Score: 8Run Score: 8