BestRaces| Distances | 100-miler |
| Surface | trail |
| Field size | 370 runners |
| Founded | 1974 (52 years) |
| Elevation gain | 18,000 ft |
| USATF certified | N/A (trail) |
| Boston qualifier | No |
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Where it runs
The course for Western States 100, drawn from the route its organizer or the public map record provides.
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Course lines are simplified for the web — run the official route, not this one.
Where 370 runners need a bed
Rooms around Olympic Valley, CA get tight on race weekend, and the ones closest in go first.
Bookings made through this map may earn BestRaces a commission. That never affects scores or rankings — how ranking works.
Race Pace Analyzer beta
Build your Western States 100 splits
Not a generic pace calculator — this one already knows the course. Give it your goal finish time and it returns every split to the tape, adjusted for this race's terrain and typical race-morning heat, plus a fueling plan and an honest read on whether the goal fits your fitness. Free, no signup, nothing held back.
- Already loaded
- 100 miles
- 18,000 ft of climbing · Mountain
- Trail underfoot
- ≈60°F on June race mornings
| Mile | Split | Elapsed |
|---|
Training paces for this goal
The everyday paces that build the fitness behind your goal — derived from your target with the Daniels VDOT model. Bookmark these for your next training block.
Guides, not gospel — run easy days by feel and adjust for heat, hills, and how your legs actually feel that day.
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Beta: splits are exact math on your goal time; terrain and weather notes are estimates from this race's listed data, not a forecast. Pacing is a plan, not a promise.