| Marathons
Ultramarathon by distance: 50 km | 50 m |100 km | 100 miles| Other distances 26 miles - 100 miles
Ultramarathon by time: 24 hour races | 48 Hour Races | 72 Hour Races | marathon | ultramarathon | multiday races
Multiday race by time: 5 Day | 6 Day Races | 7 Day Races | 10 Day Races ".."
Multiday race by distance: 700 miles | 1000 mile | 1300 mile | 3100 miles; ".."
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