Trail Athlete Fund
100 Mile
Orcas Island 100M 2026 · Organized by Rainshadow Running
$450
Entry fee
Distance
160.934 km / 100.0 mi
Elevation gain
26,000 ft
Cutoff time
36 hours
Difficulty
Mountain tested
About this distance
Four loop format with a summit push each lap. Sustained climbs, switchbacks, and runnable descents. Night sections are damp and foggy; traction is good but bring poles if you like extra support.