Race planning

Plan Rio Del Lago 100 Mile Endurance Run

Use the listed edition as your starting point. Each tool keeps imported race facts separate from the targets and assumptions you choose.

Edition notes: The organizer advertises registration through November 2 and now links 2026 RaceResult timing. The final 2026 runner guide is still marked coming soon as of October 26; use the current 2026 schedule and pace chart while awaiting it.

Your shortlist →Download calendar dates (.ics)

Listed edition: Nov 7, 2026 – Nov 8, 2026
Format: Fixed-Distance
Distance: 100 mi
Local start time: 5:00 AM Saturday
Duration / cutoff: 30 hours
Crew and pacers: Check the current race rules
Drop bags: The race-day schedule gives 4:00–4:45 AM for drop-bag collection. A separate paragraph says by the 5:00 AM start; use the earlier window and confirm with the organizer.

Recorded facts reviewed Oct 15, 2026. Check the organizer’s latest rules. Calendar downloads use all-day dates and do not set a starting alarm.

Pace & duration

Start with the recorded course distance. The recorded duration or cutoff is filled in; adjust it to your goal.

Gear checklist

Choose a checklist suited to your expected duration. Add the organizer’s mandatory gear.

Crew & drop bags

Bring across the race name and local start time. Add confirmed access points, distances and your own arrival estimates.