Come join your fellow nuts for 6, 12, 24, or up to 30 hours (either alone or as part of a relay team) of enjoyable running on a wide 100% dirt path one mile loop on a Southern California fruit and nut farm. Buckles awarded to runners who complete 100 miles. Those who complete 80 miles during the initial 24 hours have an additional 6 hours to complete 100 miles and earn a buckle. If you've had troubles with cutoffs in the past or just want to take your time and enjoy the festivities in addition to running, this is the race for you!

Upcoming Races

Nov 2 2019
6 Hours
1 Elevation Rating
Flat or nearly flat
2 Surface Rating
Mostly groomed trail or dirt roads
Nov 2 2019
12 Hours
1 Elevation Rating
Flat or nearly flat
2 Surface Rating
Mostly groomed trail or dirt roads
Nov 2 2019
24 Hours
1 Elevation Rating
Flat or nearly flat
2 Surface Rating
Mostly groomed trail or dirt roads
Nov 2 2019
100 Miles
1 Elevation Rating
Flat or nearly flat
2 Surface Rating
Mostly groomed trail or dirt roads

Results

100 Miles View course top times

Date Finishers Top Result Top Result (F)
11/03/18 12 22:39:08 24:34:23
11/04/17 8 22:48:47 26:12:44
11/05/16 4 23:37:29 24:15:42

24 Hours View course top times

Date Finishers Top Result Top Result (F)
11/03/18 41 109 92
11/04/17 25 114 78
11/05/16 18 112 102

12 Hours View course top times

Date Finishers Top Result Top Result (F)
11/03/18 14 52 44
11/04/17 26 64 70
11/05/16 22 55 63

6 Hours View course top times

Date Finishers Top Result Top Result (F)
11/03/18 9 32 27
11/04/17 6 37 29
11/05/16 18 34 37
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Iron Bull Ultra
  • Oct 5, 2019
  • Wausau, WI
50 KM