Suttle Lake Trailfest

Course

Timed 24-, 12- and 6-hour races on a 3.6-mile loop around Suttle Lake with about 110 feet of gain per lap, based at South Shore Campground near Sisters. All events start 8:00 am; cupless aid station each lap.

Key dates

• ✓
  Entries opened
  Sun 15 Feb 2026
• !
  Entries close
  Thu 22 Oct 2026 · today
• ★
  Race day
  Sat 24 Oct 2026

About

The Suttle Lake Trailfest is a trail running event featuring 24-hour, 12-hour, and 6-hour races on a 3.6-mile loop around Suttle Lake with 110 feet of elevation gain per loop. Participants enjoy free camping at South Shore Campground, catered meals, aid stations, and a supportive community atmosphere.

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  Happy Girls Sisters

  Sat 24 Oct · Sisters, OR · Half Marathon · 10K · 5K

  Trail views of the Cascades near Sisters, Oregon

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• 

  Autumn Leaves 50M/50K/30K

  Sat 24 Oct · St. Paul, OR · 50 Mile · 50K · 30K
  Save
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  Thunder River

  Sat 31 Oct · Cascade Locks, OR · 50K · 25K

  Traverses the Columbia River Gorge in autumn

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  Lithia Loop Trail Marathon

  Sat 7 Nov · Ashland, OR · Marathon · Mini-Marathon · 10K

  Loops Ashland's forested watershed above Lithia Park

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