Mile Madness Endurance Run
Mile Madness Endurance Run is listed for September 18, 2026 in Auburn, California, United States. Listed distances: 200 Miler, 100 Miler, 50 Miler, 50K, 72 Hour, 48 Hour, 24 Hour, 12 Hour, 6 Hour, Relay. Confirm the date, registration and travel details with the official organizer before you book.
About this race
RunSignup listed events: 48 Hour Run - running_race - 100 Miles; 48 Hour Team Relay - running_race - 100 Miles; 100 Mile Race - running_race - 100 Miles; 24 Hour Run - running_race - 50 Miles; 12 Hour Run - running_race - 50 Miles; 6 Hour Glow Run - running_race - 50K; 72 Hour Run - running_race - 200 Miles; 72 Hour Team Relay - running_race - 200 Miles. Join the Ultimate Loop Adventure in the Heart of Trail Country! Mile Madness is more than a race—it's a vibrant celebration...
Key facts
- Date
- September 18, 2026
- Events
- 200 Miler, 100 Miler, 50 Miler, 50K, 72 Hour, 48 Hour, 24 Hour, 12 Hour, 6 Hour, Relay
- Surface
- Trail
- Official source
- Registration page & official site
- Listing status
- updated May 24, 2026
Before you register
- 1Confirm the race-day schedule
Verify the September 18, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use California as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are 200 Miler, 100 Miler, 50 Miler, 50K, 72 Hour, 48 Hour, 24 Hour, 12 Hour, 6 Hour, Relay. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
Runner reviews
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