Yellowstone Teton Races

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Y-T-AS-Foto-300x225Race Details

Race Director:
Lisa Smith-Batchen

Race Start: 
West Yellowstone, MT (100 Miles)
Mesa Falls, ID (50 Miles)

Race Finish:
Driggs, Idaho

Packet Pick-up:

Thursday Oct 3rd 2pm-6pm
Friday Oct 4th 9am- 2pm
In West Yellowstone:  5pm-7pm at the Pre-race meeting.

Pre-Race Meeting:

Required for all 100 Mile runners in all races.
5:00 PM Friday at the Holiday Inn in West Yellowstone (50 Mile runners can receive information at packet pick-up or at the starting line on race morning.

Course Overview:

The 100-mile race starts in West Yellowstone and the 50-mile race starts at mile 51 of the 100-mile course. This is a road race that primarily follows the beautiful Scenic By-way from Yellowstone National Park to the doorstep of Teton National Park.


Please see registration page for details. Registrations are non-refundable and non-transferable.

Start Times:

100-mile: 6:00am
100-mile relay: 6:00am
50-mile: 9:00am

Time Limits:

100-mile race: 32 hour cut-off
50-mile race: 29 hour cut-off

Aid Stations:

8 aid stations.  You may utilize a crew along the entire course as well.

Crew Access:

Please see Race Rules for specific information regarding crew support.  Safety for runners and crew is the primary concern.


100-milers are allowed to have one pacer at a time after mile 50.  50 milers are not allowed to have any pacers.  Runners over 60 will be allowed to have a pacer in either race at any time.


Finisher’s medal for all races. Special awards to overall male & female finishers, age group awards, and special team award (husband & wife).


A portion of the race entry fee will benefit Teton Basin Ice & Recreation – and Teton Valley Trails & Pathways.