100 KM Ultra Running Events in South Dakota

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Upcoming Events

Date	Event	City	Distances

Past Events

Date	Event	City	Distances

Recent Results

Ridge to Rails 50k, Half, & 10k

Old Fort, NC - 154 finishers

50 KM

Coz's Backyard Ultra

Holland Patent, NY - 16 finishers

Backyard

Backyard Ultra of Northern Utah

Mantua, UT - 73 finishers

Backyard

Chesterfield Gorge Ultra

West Chesterfield, MA - 120 finishers

100 Miles | 100 KM | 50 Miles | 50 KM

Momentus Backyard Ultra

Monroe, NC - 74 finishers

Backyard

More Miles Last One Standing Challenge

Knoxville, MD - 66 finishers

Backyard | Backyard

Run Comfy Numb Trail Race

Whistler, BC - 68 finishers

50 KM

High Noon Showdown

Enoree, SC - 17 finishers

12 Hours | 6 Hours | 6 Hours

Rock River Canyon 50K

Munising, MI - 29 finishers

50 KM

Lake Tye Challenge

Monroe, WA - 25 finishers

12 Hours | 6 Hours

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