Caldera Burn
Skin to Win
Lung–burning fun for all at the Mammoth Caldera Burn – a ski mountaineering challenge. Participants will skin their way through multiple ascents on Mammoth Mountain to complete this battle against themselves and the terrain. Ski mountaineering (ski mo), a high-altitude up and down challenge imported from Europe, is rapidly becoming one of the hottest new winter sports in North America. The short course is perfect for backcountry skiers of any skill level interested in learning new aspect of the sport. The long course is designed to showcase Mammoth's steep, technical skiing.
Event Registration
| Early Bird Registration | Advance Registration | Week-of Registration |
|---|---|---|
| January 1–March 21 | March 22–April 13 | April 14–18 |
| $75 | $85 | $95 |
Register for caldera burn
Registration closes at 11:59 pm on April 17, 2025. Day-of registration will not be available.
Additional Information
What equipment is required?
Long and Short Course Participants
- Alpine Touring or Telemark skis or a splitboard capable of skiing/riding technical alpine terrain in firm conditions.
- A pair of climbing skins
- A helmet certified for rock climbing or skiing
- An avalanche rescue shovel
- An avalanche probe
- An avalanche transceiver
- In the event of inclement weather: buff or balaclava and a wind jacket
- A backpack capable of carrying skis
- Food and water sufficient to sustain you over 5,200 feet of elevation gain and loss
Is splitboarding allowed?
Yes, however participants are required to adhere to the designated mode of travel; for example booting where skinning is designated would not be allowed. Splitboarders are welcome to ski down with their board split in ski-mode if equipped with heel locking.
Are snowshoes or Nordic skis permitted?
No
Are crampons allowed?
Steps will be kicked for the boot pack sections, and crampons will not be necessary. However, competitors are welcome to use crampons at their own discretion.
Does the course have aid stations?
No. Please be prepared with the appropriate water and snacks.
Equipment Rental
Mammoth Mountaineering Supply is offering discounted rates for Ski Mountaineering racers. Check back soon for more details.
We wouldn't be able to pull off this event without the help of on-course volunteers. If you are interested in volunteering, please contact the Mammoth Mountain Race Department at RaceAdmin@MammothResorts.com.
Caldera Burn Lodging
Save 15% on your stay at select Mammoth Lodging Collection properties during this ski mountaineering challenge.
Caldera Burn Lodging