Where can I find the Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon route map?
Use the official course links on this page for the organiser route page, map PDF or route download.
Official course linksExtreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Official event website & entry ↗Data current as of
Decision summary
Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon at a glance
- Cut-off average pace
- 28:48/km
- Evidence depth
- 31 verified facts
24:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Source facts available
Route details
Known course facts at a glance
Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon has known course details for its ultramarathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 50 km
- Terrain
- Trail
- Scenery
- Parkland, Riverside, Waterfront, Forest, Countryside
Quick answers
What runners ask first
How hilly is the Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon?
The Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon is described as gently rolling. The course notes also call it the lap course has lots of windy single track, some fast and flat double track, lots of undulations (described as gentle for North Dakota) and about 100 yards of pavement.
Where does the Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon route go?
The Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon route starts at Turtle River State Park, near Arvilla, North Dakota and finishes at Turtle River State Park, near Arvilla, North Dakota. Underfoot, expect trail. It passes Turtle River State Park and Turtle River. and the Imp single-lap 10K trail run.
What should runners know on race day for the Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls (END-TRAILS) Ultramarathon?
None - the lap course is run on natural-surface park trails with only about 100 yards of pavement; no closed public roads.
Race character
Scenery
- Parkland
- Riverside
- Waterfront
- Forest
- Countryside
Atmosphere
- Community
- Festival
- Wilderness
Terrain
- Trail
- Elevation character
- Gently Rolling
- Technicality
- Moderate
Entry, logistics and records
Records and field
- Field size
- The race is limited to 100 total runners.
Entry requirements
- Entry status
- Open entry: The held registration model is open entry and this edition is not marked sold out.
- Cut-off
- 24:00:00
- Qualification status
- No qualifying standard or lottery; open Registration timed trail run. Solo and team formats are ranked by laps completed within the time limit.
Race day logistics
- Closed roads
- None - the lap course is run on natural-surface park trails with only about 100 yards of pavement; no closed public roads.
Access and course status
- Start
- Turtle River State Park, near Arvilla, North Dakota
- Finish
- Turtle River State Park, near Arvilla, North Dakota
Course facts
- Course type
- Laps
- Surface
- Trail
- Landmarks
- Turtle River State Park, Turtle River
- Notable features
- Race formats: Zombie 6-Hour, 12-Hour and 24-Hour solo timed runs
- Skeleton Army 12-Hour and 24-Hour team relays for teams of up to four people alternating laps
- and the Imp single-lap 10K trail run
- Start times: 24-Hour begins 8:00 PM the previous night running to 8:00 PM
- 12-Hour runs 8:00 AM to 8:00 PM
- 6-Hour runs 8:00 AM to 2:00 PM
- the Imp 10K starts at 2:30 PM
- Racers and teams are ranked first by the number of laps completed within the time limit and then by the time at which the last lap was completed. Around 50 miles is cited as a hardcore benchmark to shoot for
- There is a warm place to chill out and get cozy between laps, with off-course entertainment including pumpkin carving, old horror movies and hanging by the fire
- END-TRAILS forms part of the entry requirement for the Undead Hall of Fame: a racer must complete 100 miles in END-TOMBED and 50 miles on foot during END-TRAILS in the same weekend
- The lap course has lots of windy single track, some fast and flat double track, lots of undulations (described as gentle for North Dakota) and about 100 yards of pavement