40th Annual Mammoth Marathon 42km

Date / Time
Apr 01 / 9:00 AM - 2:30 PM
Tamarack Cross-Country Ski Center
Winter Events, Cross Country Ski

Challenge Yourself On Cross-Country Skis

Mammoth Marathon is over the hill – the 40th annual event offers distances from 3–42km, open to both classic and skate skiing. Racing starts at 9AM on Easter Sunday. Be part of the fun by signing up to race, or by ringing your cowbells and cheering on the skiers as they cruise around the Mammoth Lakes Basin. Tracks will be open to the general public (with valid ticket/season pass) during all races. Volunteers are always appreciated.

Event Schedule

Sunday, April 1
9AM Races Begin
1:30PM Lunch, Awards & Raffle


Event registration includes lunch (additional $10 for kids) and event shirt.

Adult  $69  $79
Junior  $29  $39
Kids  $16 + Lunch $10
 $20 + Lunch $10

Online registration ends March 31 at midnight



Marathon Divisions

Marathon 42km
 Half Marathon 21km
 Juniors 10km
 Kids 5km
Seniors X X    
Masters 1–5 X
Juniors U14–U20 X X
Kids 5–11, U12 & Under X

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Related Events

Allan Bard 20km Classic

Feb 04 / 8:00 AM - 5:00 PM

A mid-season race to show off your new skills and endurance. This classic race is a memorial to local mountaineer Allan Bard and is often a Junior Nationals qualifier for our Nordic skiers.

Winter Events Cross Country Ski