Oct 04 - 05, 2025
2025 Mammoth Spartan Super World Championship Weekend
2025 Mammoth Spartan Super World Championship Weekend
Sierra Nevada Climb
Take on an OCR challenge in the ultimate high-altitude race (7,900 ft) in the Sierra Nevada Mountains
Après Race
Explore Mammoth Lakes’ vibrant village, with top-tier hotels, restaurants, and endless outdoor activities to fuel your weekend
Super World Championship
Make history at the inaugural 10K Super World Championship—where legends are born and limits are shattered
BAG CHECK, PARKING, & PROCESSING 
Prices NOW include ALL fees.
Oct 04 - 05
Sprint 5K
20 OBSTACLES
starting price
Oct 05
Super 10K
25 OBSTACLES
starting price
Oct 04
Beast 21K
30 OBSTACLES
starting price
Oct 04 - 05
KIDS RACE 1-3km
+OBSTACLES
starting price
Oct 04
2025 Trifecta Pass
PURCHASE A TRIFECTA PASS / RACE ALL THREE DISTANCES & SAVE. (Pain / suffering / transformation)
about the event
Get ready for the first-ever Spartan 10K Super World Championship at Mammoth Mountain Ski Area, California. This breathtaking new venue will push even the toughest Spartans to their limits with a mix of high-altitude terrain and brutal obstacles. Compete in the Championship heat, or tackle a Sprint, Super, or Beast during this action-packed Trifecta weekend. Grit, glory, and exclusive championship swag are up for grabs. If you're ready to make history, dominate the course, and prove you're unbreakable, this is your ultimate challenge.
HOSTED BY
Race Distances
Sprint
Super
Beast
Kids Race
Trifecta
The Sprint
Distance
5 km
Obstacles
20
Avg duration
1 h32 m12 s
Race Day Info
Edit / Update Registration
Race Arrival & Start Times
What to bring / What to wear?
Volunteer & Race For Free
Camping
Photos of the Race
Register together and save
Race Day Program & Documents
Lock N Roll Lockers
What Finishers Earn
Events nearby
Apr
04
2026
2026 San Jose Spartan Trifecta Weekend
Aug
23
2025
2025 NorCal Spartan Event Weekend
May
31
2025
2025 Monterey Spartan Event Weekend
Run with your mates and save
Race with your friends, family and coworkers. Create your team name during registration and get group discounts by purchasing your tickets together.
Just book your race ticket today to get started.
Volunteer & Race Free
As a Spartan Race volunteer, you will help our racers and have a unique, behind-the-scenes race experience. Not only that, but volunteering gets you free entry to a race.
Fundraise for charity
Supporting charities is what makes the struggle of completing a Spartan race bearable for so many. Turn your challenge into a force for good by choosing your favourite UK charity to fundraise for.
UK Race Partners
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