Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) vs Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as of
Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) or Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon — which comes out ahead?
The available sourced metrics do not create a clear lead; use the table to compare the held route, cost and race-day evidence.
Route comparison snapshot
Extreme North Dakota Sandhills Ultra Run Experience (END-SURE)
Mapped route
Not held
Elevation profile
Not held
Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon
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
Extreme North Dakota Sandhills Ultra Run Experience (END-SURE)
Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon
Location
McLeod, North Dakota
Arvilla, North Dakota
Actual distance
100 km
50 km
RaceIndex mapped route held
Not held
Not held
RaceIndex elevation profile held
Not held
Not held
Course type
Out And Back
Laps
Surface
Mix of singletrack trail, sandy 'sandhills' terrain, and gravel road.
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 .