Casper Marathon
The 2026 Casper Marathon took place on June 7, 2026. Race details below are kept for reference and results.
Casper Marathon is listed for June 7, 2026 in Casper, Wyoming, United States. Listed distances: Full Marathon, Half Marathon, Relay. Confirm the date, registration and travel details with the official organizer before you book.
About this race
Source-verified marathon-family event. Official or registration source: https://runwyoming.itsyourrace.com/register/. MarathonGuide discovery page: https://www.marathonguide.com/races/run/casper-marathon-2025-copy/details/. Verified evidence: discovery evidence: Marathon Marathon Marathon Run only Mostly Flat Kids/Adult Asphalt Loop June 07, 2026 Sunday | Marathon Relay Team Member Marathon Marathon Run only Mostly Flat Asphalt Loop Kids/Adult June 07, 2026 Sunday | Half Marathon Ha...
Key facts
- Date
- June 7, 2026
- Location
- Casper, Wyoming, United States
- Events
- Full Marathon, Half Marathon, Relay
- Surface
- Road
- Official source
- Registration page & official site
- Listing status
- Verified · updated May 23, 2026
Before you register
- 1Confirm the race-day schedule
Verify the June 7, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use Wyoming as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are Full Marathon, Half Marathon, Relay. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.