Do you have what it takes to survive Doomsday?
Close out 2024 with a bang and race your 50K or Half Marathon on a beautifully scenic race course.
Generous 9.5-hour cutoff for the 50K and 5-hour cutoff for the Half Marathon, so hikers are welcome and trekking poles are allowed.
High-quality finisher's medals and race shirts.
Thrilling surprises along the race course.
Limit 200 runners total.
Start Times
50K 7:30am
Half Marathon 7:30am
Both distances start together at the Cool Staging Area (7200 Saint Florian Court, Cool, CA 95614).
Parking
Parking fees are NOT included in your registration. Please display your Golden Poppy Pass or purchase a day use pass $10 (exact cash) as you enter the parking lot.
Volunteers will direct you to park in the Day Use Lot or overflow parking on Haul Road. Arrive early for the best parking spots.
Live Finish Line Results
We are excited to bring you live finish line results by UltraLive.net.
Please use the link: https://www.ultralive.net/
Cut-off times
50K 9.5 hours
Half Marathon 5 hours
Each course is hiker, back-of-the-pack friendly.
Packet Pick-up
Early Packet Pick-up is on Friday, December 20th 3-7pm at Auburn CrossFit 890 High Street, Auburn, CA 95603.
Race Morning Packet Pick-up is Saturday, December 21st 5:30am to 7:30am at the Race Start (Cool Staging Area).
Elevation and Course Maps
50K is 4,360 feet gain/loss.
View online: https://footpathapp.com/routes/doomsday-50k/1F003BBB-B507-471A-A310-E7505F243587?s=460886
Half Marathon is 1,250 feet gain/loss.
View online: https://footpathapp.com/routes/doomsday-half-marathon/87182167-EA1F-44C5-A3DD-6F1DFDC2FFA7?s=460835
Doomsday 50K Alltrails Link
Doomsday Half Marathon Alltrails Link
![](https://s3.amazonaws.com/img.ultrasignup.com/events/raw/934d7d93-b11f-4fc9-a903-5923d674935d.jpg)
ultraPacer
Our new sponsor, ultraPacer has brought you detailed maps and GPX files to help you strategize your race performance.
https://ultrapacer.com/r/doomsday/50k
https://ultrapacer.com/r/doomsday/half
Aid Stations
50K
Mile 8.88 Knickerbocker Terror
Mile 13.9 The Dissent of the Descending
Mile 20.9 No Hands Horror
Mile 23.1 Robie Point Resurrection
Mile 27.9 No Hands Horror
Half Marathon (only one aid station)
Mile 8.88 Knickerbocker Terror
Swag and Awards
Every participant receives a race event shirt with killer race graphic.
Every finisher earns a high-quality, weighted finisher's medallion.
Top-three women and top-three men of each distance will receive custom three-dimensional trophies with race logo.
Event's current local time: 5:35 PM PT