Cinco de SkiMo

Date / Time
May 05 / 6:00 AM - 1:00 PM
Entertainment, Cross Country Ski, Winter Events, Ski & Snowboard Competition


An Uphill Fiesta

Lung–burning fun for all at the first Cinco de SkiMo on Cinco de Mayo – get your sombreros ready. Starting from Main Lodge, participants will skin their way through five ascents on Mammoth Mountain to complete this battle against themselves and the terrain. Ski mountaineering, a high-altitude up and down challenge imported from Europe, is rapidly becoming one of the hottest new winter sports in North America. Cinco de SkiMo is completely in-bounds, offering a safer and more convenient route than in the backcountry, opening this new opportunity to competitors of all skill levels.

Event Registration

In Advance
Elite Men
Elite Women
Recreational Men
Recreational Women $50

Event registration includes race entry, uphill access and post-event margarita. Registration closes at 7PM on Friday, May 4.  There will be not be on-site registration the morning of the race.

View Cinco de SkiMo Participant Packet
Register Now

Event Schedule

Friday, May 4
4–7PM Registration + Check–In & Welcome Party
Mammoth Mountaineering
All racers must pick up bibs during check-in on Friday evening. Please contact if this is a conflict.
6:30PM Non-Mandatory Racer Meeting  Mammoth Mountaineering
Saturday, May 5
7AM Start Time – Elite & Recreational
12:30PM Race Ends (approximate)
1PM Awards & Cinco de Mayo Party


Featuring cinco (5) climbs and 5,700 vertical ft of gain.

View Elite Course 


Featuring cinco (5) transitions and 2,500 vertical ft of gain.

View Rec Course

Awards & Cinco de Mayo Party

Awards will be given to the first, second and third place racers for the male and female elite class and recreational class. All participants will be entered into the event raffle.

Celebrate post-race with a Cinco de Mayo party at Yodler, all are welcome to attend – participants and spectators alike.  Yodler will be serving up delicious fiesta themed specials (for purchase) like pulled pork nachos, chicken tortillas and Baja fish tacos.

Equipment Rental

Mammoth Mountaineering Supply will offer 20% off demo rates for Cinco de SkiMo racers.
Skis  $30
Boots  $30
Skins  $10
 Boots, skis, poles
 Boots, skis, poles, skins

Volunteers Needed

We wouldn't be able to pull off this event without your help. All volunteers should attend the meeting at Mammoth Mountaineering on Thursday, May 3 at 5:30PM to review details for course marshals.

As a thank you for your time, volunteers will receive:

–  A coupon for  a margarita at post-race event at the Yodler (21+ only)
– A raffle ticket for post-race event
– An invitation to an exclusive group event on Wednesday, May 9 at 5PM where volunteers will skin up from Main Lodge to the top of Chair 12 for a pizza and beer gathering, then ski down.

Sign Up to Volunteer



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 would be welcome to ski down with their board split in ski mode if equipped with heel locking. Are snowshoes 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?

There will be two aid stations on the recreational course only. The first at the bottom of transition #2 (The Outpost area) and the second at the top of transition #5 (Scotty’s). Both aid stations will offer Clif products and water.


Fisher Sports
Outdoor Research
Black Diamond
Ice Breakers
Klean Kanteen

    Eastern Sierra Avalanche Center  


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