Mammoth Mountain is open for the 2024-25 Season. Stay Slopeside at Mammoth Mountain Chalets

Mammoth Half Marathon

Mammoth Half Marathon

The popular Mammoth Half Marathon is back this year with a new format run by Epic Run – a flex run, where the route and swag are provided for you. Just pick your date to visit and run. Offered daily June through September with 13.1 mile, 10K or 5K routes available....