For the 50K: https://www.ultralive.net/dd50k#tracking/info For the Half Marathon: https://www.ultralive.net/dd13#tracking/info
Close out 2026 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.
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.
50K 9.5 hours at the finish line with a mandatory intermediate cutoff time at Robie Point Aid Station at 2:15pm Half Marathon 5 hours Each course is hiker, back-of-the-pack friendly.
Early Packet Pick-up is on Friday, December 11th 3-7pm at Auburn CrossFit 858 High Street, Auburn, CA 95603. Race Morning Packet Pick-up is Saturday, December 12th 5:45am to 7:30am at the Race Start (Cool Staging Area).
50K is 5,100 feet gain/loss. Strava link: https://www.strava.com/activities/12968296356 View online: https://footpathapp.com/routes/doomsday-50k/1F003BBB-B507-471A-A310-E7505F243587?s=460886 Half Marathon is 1,250 feet gain/loss. Strava link: https://www.strava.com/activities/9996908151 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
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
50K Mile 8.88 Knickerbocker Terror Mile 13.9 The Dissent of the Descending Mile 21.2 No Hands Horror Mile 23.1 Robie Point Resurrection Mile 27.8 No Hands Horror Half Marathon (only one aid station) Mile 8.88 Knickerbocker Terror
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.
Dec 12, 2026
Distance — 50K
Type — Running
07:30
$142.00
Dec 12, 2026
Distance — 21.1K
Type — Running
07:30
$112.00
These values represent the 3-year monthly averages for December in Cool.
Learn more about the host city, Cool.
Cool, formerly known as Cave Valley, is a small town in El Dorado County, California, United States, approximately 40 miles (64 km) from Sacramento, the state capital. Cool is at an elevation of 1,532 feet.
Read more launchAll-time top performances and historical records for Doomsday.
| Place | Name | Year | Time | |
|---|---|---|---|---|
| 🥇 | Sylvie Abel | '25 | 4:37:52 | |
| 🥈 | Emily Renner | '25 | 4:52:59 | |
| 🥉 | Marie VanZandt | '25 | 5:09:16 | |
| 4 | Jessica Massey | '25 | 5:57:11 | |
| 5 | Nicolette Del Sarto | '23 | 6:03:02 | |
| 6 | Sandra Sperry | '24 | 6:03:10 | |
| 7 | Michaela Burgess | '24 | 6:08:24 | |
| 8 | Anne Johnson | '23 | 6:21:09 | |
| 9 | Mandy Winkler | '23 | 6:21:14 | |
| 10 | Madyson Smith | '25 | 6:22:07 |
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