Runners of the 50M and 100M races are required to:

• show the course map on their phone or watch at bib-pickup and

• have the course map with them at all times during their race.

Courses Overview 

This is a challenging and beautiful event in the Bannock and Pocatello mountain ranges surrounding Pocatello, Idaho.

1) 100M: distance: 102.5 miles; altitude range: 4,824' to 8,686'; gross vertical change: +21,387' -21,412'
2) 50M: distance: 54.3 miles; altitude range: 4,824' to 8,686'; gross vertical change: +10,751' -10,799'
3) 50K: distance: 36.2 miles; altitude range: 5,154' to 8,686'; gross vertical change: +7,404' -7,456'
4) 24M: distance: 24.2 miles; altitude range: 5,154' to 8,686'; gross vertical change: +5,633' -5,634'

All four distances summit our namesake, Scout Mountain!

Course Maps

Course Profiles: 24M‍ ‍50K‍ ‍50M‍ ‍100M

Caltopo maps: 24M‍ ‍50K‍ ‍50M‍ ‍100M

GPX files: 24M‍ ‍50K‍ ‍50M‍ ‍100M

Historical Information

• 2026 - The SMU 50M start time moved to midnight (i.e., just as Friday becomes Saturday); all race start times shifted earlier to accommodate the new 10pm finish time of all distances.

• 2025 - Chip timing now at all aid stations (except Cusick Creek); SMU 100M became a Hard Rock 100 qualifier

• 2023 - 50K race added

• 2020 - Scout Mountain Ultras was cancelled due to COVID-19

• 2018 - Scout Mountain Ultras 100M, 50M and 21M started (now the 24M)

• 2014 - New 100K, 60K and 35K routes

• 2013 - Pocatello 50 (miles) followed the original course

• 2012 - Pocatello 50 (miles) followed the original course

• 2011 - Pocatello 50 (miles) followed an alternative snow course

• 2010 - Pocatello 50 (miles) was cancelled due to inclement weather

• 2009 - Pocatello 50 (miles) followed the original course