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Crew access at Shay Mountain and Monticello Lake is split between two groups, so your group decides where your crew is allowed to meet you.
Groups are drawn at random four weeks out; the race emails you yours.
Moving pace
23:57/mi
2.50 mph between stations
Overall
25:52/mi
8h spare
Hike
37:29/mi
37h 58m
Run
20:37/mi
41h 34m
Downhill
17:11/mi
17h 43m
Total elapsed, gun to line. The cut-off is 113h; the first runner is expected in around 51h.
Average across the 15 full aid stations — 3h 45m in total.
Total across the race. Five aid stations have cots, with a six-hour limit at each.
How much slower your moving pace is by the finish than at the start, with your finish time kept. In a 100 km study the fastest runners ran their last 10 km about 15% slower than their first, and slower runners about 40% slower.
Hike, run and downhill come from the official race GPX: anything climbing steeper than 3% is hiked at 55% of your running speed, anything dropping steeper than 3% is run at 120%, and the rest is run.
Finish
3:00 PM
Tue
Cushion
8h
inside the cut-off
In the dark
112 mi
46% of the course
Nights
5
out there
Every aid station at its published coordinates, coloured by whether you reach it in daylight or dark. Tap a station for its arrival time.
Ringed markers are the five sleep stations. The dotted line is the order you visit them, not the course itself — the real route wanders 244 miles between these points.
Arrival at each station on a 105h plan, how long the leg into it takes and what is left against the cut-off.
| Station | Mile | Arrive | Leg | Cushion |
|---|---|---|---|---|
| Start | 0 | Fri 6:00 AM | — | 0h |
| Hidden Valley8.3 mi | 8.3 | Fri 9:13 AM | 3h 13m | — |
| Amasa Back8.5 mi | 16.8 | Fri 12:30 PM | 3h 17m | 0h 30m |
| Base Camp12.3 mi | 29.1 | Fri 5:37 PM | 5h 7m | 0h 53m |
| Lockhart H2O | 33.5 | Fri 7:17 PM | 1h 41m | — |
| The Oasis24.4 mi | 53.5 | Sat 2:54 AM | 7h 37m | 1h 36m |
| Indian Creek14.3 mi | 67.8 | Sat 8:29 AM | 5h 35m | 2h 1m |
| The Island13.8 mi | 81.6 | Sat 2:03 PM | 5h 35m | 2h 27m |
| Bridger Jack14.9 mi | 96.5 | Sat 9:00 PM | 6h 57m | 2h 58m |
| Shay Mountain17.7 mi | 114.2 | Sun 5:23 AM | 8h 23m | 3h 37m |
| Monticello Lake12.2 mi | 126.4 | Sun 10:58 AM | 5h 35m | 4h 2m |
| Dry Valley17.4 mi | 143.8 | Sun 5:56 PM | 6h 58m | 4h 34m |
| The Needles13.9 mi | 157.7 | Sun 11:58 PM | 6h 2m | 5h 2m |
| Road 4613.4 mi | 171.1 | Mon 5:05 AM | 5h 7m | 5h 25m |
| Pole Canyon17.3 mi | 188.4 | Mon 12:31 PM | 7h 26m | 5h 59m |
| Geyser Pass14.3 mi | 202.7 | Mon 8:53 PM | 8h 22m | 6h 37m |
| Porcupine Rim20.9 mi | 223.6 | Tue 6:10 AM | 9h 18m | 7h 20m |
| Finish20 mi | 243.6 | Tue 3:00 PM | 8h 50m | 8h |
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Splits scale the race’s own cut-off profile to your goal time, so the hard sections keep their share of the clock. It is a plan, not a prediction — and at 113h it reproduces the published cut-offs exactly. Fatigue then re-paces each leg by how tired you are at its middle mile, quicker early and slower late, without moving the finish. Reset pace puts finish time, stops, sleep and fatigue back to the defaults; your runners and notes stay.