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Rocky Mountain Slam

Name: Rocky Mountain Slam
Start: 2025-09-27
End: 2025-09-27
Location: Logan

Logan, United States • 27 Sep 2025

Rocky Mountain Slam (RMS) is a Rocky Mountain ultra-running series anchored in Logan, Utah. The core format features 100-mile races with the Bear 100 as the mandatory finish. RMS V2.0 expands options to include Scout Mountain 100, Bighorn 100, Hardrock 100 (now optional), Leadville 100, Wasatch Front 100, Ouray 100, and Wyoming Range 100.

Runners must complete at least four races, with two options available per month from June to September. There is no formal overall time record; instead an informal tally tracks a runner’s fastest four runs (including Bear). A series registration is required to participate.

Scout Mountain 100 was added in 2024. Visit the organization's website for the most recent information.

United States Utah Logan

Race information

Website Registration

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday May 30

Backyard Ultra of Northern Utah

Mantua - 17 mi from Logan

Backyard Ultra

4 mi

Run endless 4.1 mile loops around scenic Mantua Reservoir in this backyard ultra that highlights spring poppy fields, farmland and mountain views. Enjoy flat, firm trails and the special atmosphere of headlamp laps as day fades to night.

Fri - Sat Sep 25-26

Bear 100 Endurance Run

Logan

100 mi

The BEAR 100 is a scenic point to point 100 mile endurance run from Logan, Utah to Bear Lake, Idaho that showcases fall colors and expansive mountain views. Tackle long climbs and varied trails with a 36 hour cutoff.