Course
Starts at WYO Sports Ranch and drops downhill onto the Platte River Trail, running alongside the river past historic landmarks for most of the course before finishing at Crossroads Park. Marathon, marathon relay and 10K set off at 6:00 AM, with the half marathon and half relay at 6:30 AM.
Key dates
- ·RegistrationNot open yet
- ★Race dayJune 2027 · date to be announced
About
The Casper Marathon offers marathon, half marathon, 10K and marathon relay distances along the North Platte River in Casper, Wyoming.
Save Casper Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Sinks Canyon Trail Races
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Bighorn Mountain Wild and Scenic Trail Run
Wyoming's original 100-miler, through the Bighorns
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Grand Targhee Wildflower Run
Trail miles at 8,000 feet in the Tetons
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Laramie Peak Endurance Challenge
Climbs Wyoming's Laramie Peak past 10,000 feet
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.