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Ultra events in Crystal Lake, Illinois

3 ultra events — 1 upcoming, 2 past

1Upcoming event
1Club
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Ultra

Crystal Lake

1 upcoming · 2 past

Past events in Crystal Lake

2 previous events
Event Last held Organiser
Earth Day 50k/15 Mile/5 Mile
5 Miles15 Miles50k
Apr 2026
Frozen Gnome
10k50k
Jan 2026
Sorted by most recent. Past events are kept permanently in this archive. Full Crystal Lake archive →

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