Scout Mountain Ultras 2026

The Scout Mountain Ultras 2026 is a trail running event taking place on June 5–6, 2026, in Pocatello, Idaho, within the Caribou-Targhee National Forest and the Bannock and Pocatello Mountain Ranges. Participants can expect rugged mountain terrain and highly variable weather conditions typical of early June in this region, including the potential for snow, mud, hail, and intense heat. This annual celebration of trail running emphasizes environmental stewardship, community, and inclusivity, with at least 50% of field spots at every distance reserved for women, femme, and non-binary individuals.

What distances and start times are available?

• →100 Mile: Starts June 5 at 10:00 AM MDT
• →50 Mile: Starts June 6 at 12:00 AM MDT (midnight start)
• →50K: Starts June 6 at 6:00 AM MDT
• →23/24 Mile: Starts June 6 at 8:00 AM MDT

How much does registration cost?

• →100 Mile: $400
• →50 Mile: $225
• →50K: $160
• →23/24 Mile: $115

What are the course details and elevation profiles?

The courses vary by distance, but all routes summit Scout Mountain.

100 Mile

Actual distance: 102.5 miles | Elevation: 4,824 ft to 8,686 ft | Vertical: +21,387 ft / -21,412 ft

• →GPX: ScoutMountainUltras ↗
• →Caltopo: Caltopo ↗
• →Profile: ScoutMountainUltras ↗

50 Mile

Actual distance: 54.3 miles | Elevation: 4,824 ft to 8,686 ft | Vertical: +10,751 ft / -10,799 ft

• →GPX: ScoutMountainUltras ↗
• →Caltopo: Caltopo ↗
• →Profile: ScoutMountainUltras ↗

50K

Actual distance: 36.2 miles | Elevation: 5,154 ft to 8,686 ft | Vertical: +7,404 ft / -7,456 ft

• →GPX: ScoutMountainUltras ↗
• →Caltopo: Caltopo ↗
• →Profile: ScoutMountainUltras ↗

23/24 Mile

Actual distance: 24.2 miles | Elevation: 5,154 ft to 8,686 ft | Vertical: +5,633 ft / -5,634 ft

• →GPX: ScoutMountainUltras ↗
• →Caltopo: Caltopo ↗
• →Profile: ScoutMountainUltras ↗

What are the race rules and format?

• →All distances are solo; no relays or teams are permitted.
• →For the 100 Mile distance, a mandatory 8-hour trail/environmental service requirement must be completed before the race.
• →Carrying the mandatory course GPX file is required at all times.
• →Dogs are strictly prohibited at all race areas; any runner associated with a dog on-site will be disqualified.

What weather conditions should I prepare for?

Participants must be prepared for extreme variability. Historically, the event has experienced near-perfect conditions, deep snow requiring course rerouting, storm cancellations, and brutal heat. Aid station captains have the authority to stop any runners who appear unprepared for the current conditions.

What is included with my race entry?

• →A baked Idaho potato dinner is provided at the finish area.
• →Note: Crew and spectators are welcome at the finish area with a cash donation.

What is the refund and deferral policy?

• →Refunds: 75% refund is available through April 30; no refunds are provided after this date.
• →Deferrals: Deferrals are only available in the event of pregnancy (including for partners).
• →Distance Changes: Runners may change to a shorter or longer distance, provided the change is made at least 3 weeks before the event and the new distance is not currently waitlisted.

Where can I find medical assistance and supplies?

Medical Facilities:

• →Emergency: Portneuf Medical Center (Pocatello)
• →Urgent Care (Weekend): 1st Choice Urgent Care
• →Urgent Care (Saturday only): Intermountain Medical Clinic
• →Urgent Care: Physicians Care Centers

Local Supplies:

• →Groceries/Pharmacy: Albertsons
• →Running Gear/Maps/Hardware: Ace Hardware & Element Outfitters
• →Sporting Goods: Dick's Sporting Goods
• →Bulk Supplies: Costco
• →General Supplies: Walmart Supercenter

What are the camping and communication logistics?

• →Start/Finish Area: Mink Creek Group Campground offers free camping for runners and crew.
• →Nearby Camping: Recreation ↗
• →Cell Service: There is no reliable service at Mink Creek Group Campground, West Fork, Big Fir, or South Fork Rd aid stations. Service is available once driving toward Pocatello.