Mammoth Half Marathon & 5K

Date / Time
Jun 17 / 6:00 AM - 12:00 PM
Mammoth Lakes, CA
Summer Fun, Summer Events, Summer Adventure

A Breathtaking Route through the Picturesque Eastern Sierra

Join a limited field of 1,500 runners on a scenic 13.1 mile half marathon course starting at Horseshoe Lake and finishing in downtown Mammoth Lakes. The 6th Annual Mammoth Half Marathon & 5K takes place on Sunday, June 17, 2018, and the whole family can participate with a choice between the half marathon or 3.1-mile 5K course. Book your room by June 1 to lock in special lodging rates for runners (see details below).

Save $10 on entry – enter code MAMMOTHMTN at registration checkout.

Half Marathon

The Mammoth Half Marathon is a premier race event and the second leg of the San Diego – Mammoth Challenge. The race is organized by the San Diego Half Marathon team. 100% of the net proceeds from the Mammoth Half Marathon & 5K event will go towards community service projects and select charitable causes in Mammoth Lakes.
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5K Race

The Mammoth 5K is a 3.1-mile race through downtown Mammoth Lakes, designed for all ages and abilities to enjoy.

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Event Schedule

Saturday, June 16 | Packet Pick-Up Day

 Packet pick-up at the Mountain center in The Village

Sunday, June 17 | Race Day

Shuttles begin transport up to the Half Marathon start from all partnering hotels. Arrive early – last shuttle departs at approx. 6:30am.
 7:30AM Half Marathon wave 1 starts at Horseshoe Lake (subsequent waves to follow, 2 mins apart)
 7:30AM–12PM Race finish and downtown Celebrate Mammoth Block Party. Invite your friends and family.

Schedule subject to change

Save on Lodging

Stay with great deals for Mammoth Marathon race participants at The Village Lodge – the race headquarter hotel, as well as Juniper Springs Resort or Mammoth Mountain Inn.

Call 800.MAMMOTH or Book Online


Register Now

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