Running challenge
100 mile
160.9 km
The race that began when a horse went lame.
Run 100 miles. Through a night, or close to it.
- The distance
- 160.9 km
- It stands on
- Pony Express

What it takes
Before you go.
- Recommended first
- Pony Express
- Weekly distance
- About 80 km of running a week on average over 6 weeks
- Long weekends
- About 10 hours of running over two days in a row, 4 times in the last 12 weeks
- Longest run
- At least 6 hours, at least once in the last 12 weeks
- Taper
- Two easier weeks before the event week
The story
In 1973 Gordy Ainsleigh's horse went lame in the Tevis Cup, a 100-mile ride. In 1974 he came back and ran the course on foot in under 24 hours. That is how the 100-mile trail race began. Source: Western States history.
The ladder
- 5 km/
- Forager's day/
- First flight/
- Mawson's last miles/
- 10 km/
- Gold march/
- Hunter's day/
- Nut grove/
- Twelve-miler/
- Wallace's Line/
- Wildebeest's day/
- Half Marathon/
- Toutle avalanche/
- Roland's pass/
- Olympus Mons/
- Dawes's ride/
- Laki fissure/
- Royal Road/
- Legion's march/
- Persistence hunt/
- Norwegian thirty/
- Chalk Gate/
- Racing the horses/
- Rim to rim/
- Barclay's walk/
- Long fall/
- Nijmegen day/
- South Georgia/
- Marathon/
- Fox's crossing/
- Thirty-miler/
- 50 km/
- Mauna Loa 1859/
- Kailash kora/
- Chilkoot/
- Leap to Australia/
- Pilgrim's hundred/
- Edge of space/
- Hundred and one/
- Glacier Bay/
- Pony Express/
- 100 mile