Train for Big Alta 100K
Fort Baker under the Golden Gate to Marinwood. Twelve thousand seven hundred feet. Headlands. Tam. Big Rock Ridge. The greatest hits tour north of San Francisco.
62.5 mi+10,079 ft-10,016 ft17 hours16 ft to 2,375 fttech 6/10Checkpoints per race bookGolden Gate startTrans-MarinWestern States qualifierMarch
- Start16 ft
- High2,375 ft
- Low16 ft
- Finish79 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: 2 · longest gap ~42 km
- Mandatory kit items: 2
- Cutoff: 17 hours
The crux
Cardiac Hill to Stinson and the Big Rock Ridge climb late (near mile 41)
Race details can change. Confirm current rules and logistics with the Official site.
Train for your race
Train for Big Alta 100K
Course-specific plan, fuel segments, gear kit, and race morning for Big Alta 100K.
Official siteCheck readinessPredict finish timeFull race guideFoot care guide