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© 2026 PR.RUN

For those who ♥ to adv.entu.re

PR YOUR NEXT RUN

Fat Ox 100

Train for Fat Ox 100

101 laps of Estrella Mountain turf loop. Flat. Crew at your tent. Mind game.

100 mi47 hours902 ft to 932 fttech 1/101-mile loopUSATF certifiedNovember
Gradient profileOfficial race GPX
DIST--
ELEV--
GRADE--
  • Start922 ft
  • High931 ft
  • Low902 ft
  • Finish928 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: 1 · longest gap ~16.1 km
  • Mandatory kit items: 1
  • Cutoff: 47 hours

The crux

Loop 70 boredom

Race details can change. Confirm current rules and logistics with the Official site.

Train for your race

Train for Fat Ox 100

Course-specific plan, fuel segments, gear kit, and race morning for Fat Ox 100.

Train for Fat Ox 100Check your readiness

Official siteCheck readinessPredict finish timeFull race guideFoot care guide