California’s Eastern Sierra

Mammoth Half Marathon

  • Dates: July 3, 2021 - September 25, 2021
  • Recurrence: Recurring weekly on Saturday
  • Address: Mammoth Lakes, CA 93546

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.

After registration, your shirt, bib, and other items will be mailed to you.

Please visit the event's website for more information!


Mammoth Half Marathon