Irwin, ID
100 Mile Course Details
3
Races
42
Total Finishes
88.1%
Male
11.9%
Female
Average Winning Result
25:25:05
34:50:53
Average Finishing Result
32:08:23
35:39:55
Elevation
Very hilly, total climb between 150-250 feet per mile (7500-12,500 feet in 50 miles)
Terrain / Surface
Trail or dirt road with substantial rocks, roots and/or ruts
Races
