The “Visit Casper Marathon” hosts a variety of Marathon Race distance events every year on that first Sunday in June and is now entering its 22nd Year. All the race distance events that are held here annually in the Oil City of Casper Wyoming are professionally timed with RFD Chipped Race Bibs whether you are running the 10K Race, Half Marathon Race, Full Marathon Relay Race or the traditional Wyoming Full Marathon Race event.

06-01-2025, 06:00 am - 02:00 pm