Overview 

This is a challenging and beautiful event in the Bannock and Pocatello mountain ranges surrounding Pocatello, Idaho. Distances and elevation gain/loss based on caltopo maps:

1) 100-miler: 102.2 miles, 22,276′ of gain, 22.284′ of loss
2) 50-miler: 54.9 miles, 11,328′ of gain, 11,375′ of loss
3) 50-km: 35.5 miles (57.7 km), 7,540′ of gain, 7,587′ of loss
4) 23-miler: 23.1 miles, 5,685′ of gain, 5,685′ of loss

All four distances summit our namesake, Scout Mountain!

Course Maps

The snow has melted enough that we can safely run all standard courses for 2023! There will be more snow for you to run over than an average year.

We are requiring some mandatory kit: a mylar emergency blanket and a whistle.

Course Profiles:

100mile 50mile 50km 23mile

Caltopo maps:

100mile 50mile 50km 23mile

GPX files:

100mile 50mile 50km 23mile

Historical Information

  • 2023 - 50 km race added (it’s actually 57.7 km, 35.5 miles)

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

  • 2018 - Scout Mountain Ultras 100 mile, 50 mile and 21 miles started

  • 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