Doomsday 50K and Half Marathon

Doomsday 50K and Half Marathon

Date: Saturday, December 13, 2025

Time: 7:30 AM

Location: 7200 Saint Florian Court, Cool, CA

Distances: 50K and Half Marathon

Close out 2025 with a bang and race your 50K or Half Marathon. Each course is friendly for hikers, with a generous cutoff time of 9.5 hours for the 50K and 5 hours for the Half Marathon.

Packet Pick-up:

• December 12th: 3-7 PM at Auburn CrossFit, 890 High Street, Auburn, CA.
• Race Day: 5:45 AM to 7:30 AM at the Race Start.

Aid Stations:

• 50K: Mile 8.88, Mile 13.9, Mile 20.9, Mile 23.1, Mile 27.9
• Half Marathon: Mile 8.88

Registration:

• 50K registration: $125.97 ($141.95 after July 31)
• Half Marathon registration: $87.50 ($103.43 after July 31)