Train for El Jefe 100
Tiger Mine to Superior. Sonoran desert to pine on remote Arizona Trail tread.
105 mi+12,548 ft-13,910 ft36 hours2,500 ft to 9,100 fttech 8/106 stationsSky IslandDestination TrailApril
- Start4,065 ft
- High4,125 ft
- Low1,652 ft
- Finish2,707 ft
What PR Run builds for this start line
- Personalized plan from your baseline and this course profile
- Aid-segment fuel rehearsals tied to checkpoint spacing
- Structured gear kit from course intelligence
- Race-day pacing, crew notes, and race-morning brief
- Aid stations: 6 · longest gap ~49 km
- Mandatory kit items: 1
- Cutoff: 36 hours
The crux
Mount Lemmon climb
Race details can change. Confirm current rules and logistics with the Official site.
Official siteCheck readinessPredict finish timeFull race guide