Race Details:
- Location: Casper, WY, USA
- Race Date: 06/07/2026
- Race Distances: Full Marathon, Half Marathon
What This Race Counts Toward:
Casper Marathon Description
The Casper Marathon starts with a traditional cannon-fire send-off at the WYO Sports Ranch and finishes at Crossroads Park in Casper, Wyoming, taking runners through rolling high-plains terrain before settling into a shaded second half along the North Platte River. Held every June, the course is USATF certified and a Boston Qualifier, though the altitude (over 5,000 feet), early climbs, and warm early-summer temperatures make for a tougher day than the elevation profile alone suggests. A half marathon, marathon relay, and 10K round out the weekend, and pacers are on hand to help runners hit their goal times.
Always check the official race website for the most accurate and up-to-date race information and logistics.
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Casper Marathon Additional Details:
Finishers here walk away with more than a medal, a quarter-zip pullover is part of the finisher package, a welcome layer given how quickly Wyoming evenings can cool off after a warm race day. Aid stations show up every mile and a half to two miles, and they go well beyond water and Gatorade, expect orange slices, watermelon, GU, and even sunscreen and bug spray for runners who forgot their own. The intimate field size gives Casper a close-knit, everybody-knows-everybody feel that bigger-city marathons can’t replicate. Once you’re through the finish chute, a post-race party with real food and live music awaits, a proper small-town celebration rather than a quick grab-and-go spread.
Course Information
# of Finishers
Half Marathon: 100 to 150
Marathon: 100 to 150
Elevation Details
Average Temperature
- Low: 54°F
- High: 79°F
Train Smarter for Race Day
A great race starts long before the starting line. Whether you’re chasing your first finish or hunting a new PR, a structured training plan takes the guesswork out of race prep — building your fitness, your confidence, and your mileage at the right pace for you.
Explore plans for every distance and experience level, from your first 5K to your next ultra.
Things to Do in Casper, WY, USA
Make the most of race weekend — here’s how to fill the time before and after you cross the finish line.
Arts & Culture
Nicolaysen Art Museum
Food & Drink
Backwards Distilling Company
Landmark
Independence Rock
Outdoors & Trails
Casper Mountain Trails
Shopping
David Street Station
Museums & History
National Historic Trails Interpretive Center
Scenic Drives & Viewpoints
Bridle Trail at Rotary Park
Sports & Entertainment
Ford Wyoming Center
Hotels & Lodging Near the Casper Marathon
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