Casper Marathon
Casper Marathon tours High Plains landmarks from a cannon start on a certified Wyoming road course that gives runners a Boston qualifying opportunity.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 22, 2026.
Quick facts
- Certified Boston qualifying course
- Traditional cannon start
- Wyoming High Plains setting
- Road marathon through Casper landmarks
About the Casper Marathon
Casper's long-running road marathon combines local character with a practical performance course. The full is a distinct race within a weekend that also welcomes runners at shorter distances.
Course
The certified 26.2-mile route passes recognizable Casper scenery and city landmarks. Its road surface supports steady pacing, while High Plains elevation and open stretches can make effort feel different from sea level.
Race-day weather
June mornings in Casper may be cool and dry, but sun, wind and fast temperature changes are common on the High Plains. Runners should prepare for exposure even when the start feels comfortable.
Past Casper Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, June 7, 2026 | — | — |
Casper Marathon FAQ
When is the Casper Marathon?
We're waiting for the finalized date for the 2027 Casper Marathon. The most recent running was on Sunday, June 7, 2026.
How do I register for the Casper Marathon?
You can register for the Casper Marathon at runwyoming.itsyourrace.com.
Can I use the Casper Marathon for Boston qualifying?
Marathon Scout marks the Casper Marathon as a Boston qualifier. Check the current Boston qualifying times and confirm current certification with the race before registering.
Send Marathon Scout an official race update
Send us confirmed dates, registration links, results, live tracking, or course changes. Every update is reviewed before it goes live.