Crazy Mountain 100 Ultramarathon vs Bob Marshall Trail Races Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as of
Crazy Mountain 100 Ultramarathon or Bob Marshall Trail Races Ultramarathon — which comes out ahead?
Crazy Mountain 100 Ultramarathon and Bob Marshall Trail Races Ultramarathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.
Race facts that change the decision
Race facts comparison
Fact
Crazy Mountain 100 Ultramarathon
Bob Marshall Trail Races Ultramarathon
Race date
2026-07-24
2026-07-18
Location
Big Timber, Montana
Seeley Lake, Montana
Actual distance
160.9 km
50 km
RaceIndex mapped route held
Held
Not held
RaceIndex elevation profile held
Not held
Not held
Course type
Point To Point
Laps
Surface
Primarily single track with sections of forest road and two Track; steep backcountry terrain with scree fields and stretches where runners follow cairns and ridgelines.
Mix of maintained Nordic ski trails, rugged singletrack and Forest Service roads; no pavement.
Elevation character
Mountainous
Rolling
Terrain
Trail, Mixed
Trail, Mixed, Road
Scenery
Mountain, Forest, Coastal, Lakeside, Countryside
Forest, Countryside, Mountain, Lakeside
Atmosphere
Wilderness, Scenic Tour
Wilderness, Scenic Tour, Destination
Technicality
Very Technical
Moderate
Total ascent
7,010 m
Unavailable
Net elevation
Unavailable
10,475,450,300 m
Cutoff
36:00:00
8:30:00
Field cap
200
Unavailable
Entry model
Mixed
Open
Race date
Crazy Mountain 100 Ultramarathon
2026-07-24
Bob Marshall Trail Races Ultramarathon
2026-07-18
Location
Crazy Mountain 100 Ultramarathon
Big Timber, Montana
Bob Marshall Trail Races Ultramarathon
Seeley Lake, Montana
Actual distance
Crazy Mountain 100 Ultramarathon
160.9 km
Bob Marshall Trail Races Ultramarathon
50 km
RaceIndex mapped route held
Crazy Mountain 100 Ultramarathon
Held
Bob Marshall Trail Races Ultramarathon
Not held
RaceIndex elevation profile held
Crazy Mountain 100 Ultramarathon
Not held
Bob Marshall Trail Races Ultramarathon
Not held
Course type
Crazy Mountain 100 Ultramarathon
Point To Point
Bob Marshall Trail Races Ultramarathon
Laps
Surface
Crazy Mountain 100 Ultramarathon
Primarily single track with sections of forest road and two Track; steep backcountry terrain with scree fields and stretches where runners follow cairns and ridgelines.
Bob Marshall Trail Races Ultramarathon
Mix of maintained Nordic ski trails, rugged singletrack and Forest Service roads; no pavement.
Elevation character
Crazy Mountain 100 Ultramarathon
Mountainous
Bob Marshall Trail Races Ultramarathon
Rolling
Terrain
Crazy Mountain 100 Ultramarathon
Trail, Mixed
Bob Marshall Trail Races Ultramarathon
Trail, Mixed, Road
Scenery
Crazy Mountain 100 Ultramarathon
Mountain, Forest, Coastal, Lakeside, Countryside
Bob Marshall Trail Races Ultramarathon
Forest, Countryside, Mountain, Lakeside
Atmosphere
Crazy Mountain 100 Ultramarathon
Wilderness, Scenic Tour
Bob Marshall Trail Races Ultramarathon
Wilderness, Scenic Tour, Destination
Technicality
Crazy Mountain 100 Ultramarathon
Very Technical
Bob Marshall Trail Races Ultramarathon
Moderate
Total ascent
Crazy Mountain 100 Ultramarathon
7,010 m
Bob Marshall Trail Races Ultramarathon
Unavailable
Net elevation
Crazy Mountain 100 Ultramarathon
Unavailable
Bob Marshall Trail Races Ultramarathon
10,475,450,300 m
Cutoff
Crazy Mountain 100 Ultramarathon
36:00:00
Bob Marshall Trail Races Ultramarathon
8:30:00
Field cap
Crazy Mountain 100 Ultramarathon
200
Bob Marshall Trail Races Ultramarathon
Unavailable
Entry model
Crazy Mountain 100 Ultramarathon
Mixed
Bob Marshall Trail Races Ultramarathon
Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.
Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .