100K races in Connecticut

Find the list of upcoming 100K races in Connecticut races below.

8 races found

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Iron Hike – Spring Everest / 29029 Everesting Ultra Trail Marathon – 61+ Miles | 29,029’+ Elevation | 72-Hour | Run, Hike or Walk

Distance(s): 100K

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Iron Hike – Spring Everest / 29029 Everesting Ultra Trail Marathon Relay – 61+ Miles | 29,029’+ Elevation | 72-Hour | Run, Hike or Walk

Distance(s): 100K

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IronHike Series – Spring ’26

Mohawk Mtn Ski Area, Cornwall, CT

Distance(s): 100 Mile, 100K, 50K

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Iron Hike – Fall Answer the Bell Ultra Trail Marathon – Full (Backyard Ultra Format) – 100+ Miles | 50,400′ Elevation | 84-Hour | Run, Hike or Walk

Distance(s): 100K

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Iron Hike – Fall Everest / 29029 Everesting Ultra Trail Marathon – 61+ Miles | 29,029’+ Elevation | 72-Hour | Run, Hike or Walk

Distance(s): 100K

See Race Details

Iron Hike – Fall Everest / 29029 Everesting Ultra Trail Marathon Relay – 61+ Miles | 29,029’+ Elevation | 72-Hour | Run, Hike or Walk

Distance(s): 100K

See Race Details

IronHike Series – Fall ’26

Mohawk Mtn Ski Area, Cornwall, CT

Distance(s): 100 Mile, 100K, 50K

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Iron Hike – Fall Answer the Bell Ultra Trail Marathon – Basic (Backyard Ultra Format) – 28+ Miles | 14,400’+ Elevation | 24-Hour | Run, Hike or Walk

Distance(s): 100K

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