100 KM Ultra Running Events in Arizona
Upcoming Events
| Date | Event | City | Distances |
|---|---|---|---|
| 10/31/26 | Javelina Jundred | Fountain Hills | 100 KM , 100 Miles |
| 11/20/26 | Fat Ox | Buckeye | 6 Hours , 12 Hours , 24 Hours , 24 Hours , 48 Hours , 50 KM , 100 KM , 100 Miles |
| 12/28/26 | Across the Years | Peoria | Backyard , 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 144 Hours , 100 KM , 100 Miles , 200 Miles |
| 01/16/27 | Coldwater Hundred | Goodyear | 50 KM , 100 KM , 100 Miles |
| 02/13/27 | Black Canyon Ultras | Mayer | 50 KM , 100 KM |
| 04/10/27 | Desert Peak Ultra | Oracle | 50 KM , 50 KM , 100 KM |
Past Events
| Date | Event | City | Distances |
|---|---|---|---|
| 11/08/25 | Snake Eater 100K | Grand Canyon Village | 50 KM , 100 KM |
| 09/04/10 | Buckeye Endurance Runs | Buckeye | 50 Miles , 100 KM , 100 Miles |