Official course

Rio Del Lago 100 Mile Endurance Run

2026 edition

Presented by NorCalUltras

  • Granite Bay, CA
  • Nov 7, 2026

Official 2026 course

Published · public preview · Course updated Oct 22, 2026

Course map

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The course starts at Start · Beals Point and finishes at Finish · Beals Point 3, covering 100 mi with 19 aid stations.

100 mi
Distance
13,458 ft
Total ascent
13,458 ft
Total descent
30 hr
Overall cutoff

Aid stations & cutoffs

Aid stations and cutoffs for the Rio Del Lago 100 Mile Endurance Run course — Showing 4 of 19 aid stations.
MileStationCutoffElevationCrew accessPacer pickup
0.0Start · Beals Point—466 ftYesNo
9.3Willow Creek—118 ftNoNo
17.2Black Miners Bar—180 ftNoNo
21.7Beals Point 2—466 ftYesNo
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Segments

Course segments for Rio Del Lago 100 Mile Endurance Run — Showing 4 of 18 segments.
SegmentMilesGainLoss
Beals Point → Willow Creek9.3 mi——
Willow Creek → Black Miners Bar7.9 mi——
Black Miners Bar → Beals Point 24.5 mi——
Beals Point 2 → Granite Beach3.7 mi——
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Course files & source

Course details can change. Confirm final instructions with NorCalUltras.

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