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California’s Eastern Sierra

Mammoth Half Marathon & 5k

  • Location: Starts at Horseshoe Lake
  • Dates: June 23, 2019
  • Address: Mammoth Lakes, CA 93546

The Mammoth Half Marathon & 5K is a premier & breathtaking race event. The race is the 2nd leg of the San Diego - Mammoth Marathon Challenge. Runners who complete both the San Diego Half Marathon & the Mammoth Half Marathon will be awarded a premium San Diego - Mammoth Medal.

Please visit the event's website for more information!


Mammoth Half Marathon & 5k