Located in the visually stunning Marin Headlands, The North Face Endurance Challenge Championship course engages runners with both scenic views and drastic elevation change. Run through incredible trails and finish in historic Crissy Field. Choose from distances of 50 Mile, 50K, Marathon, Marathon Relay on Saturday and Half Marathon, 10K, 5K on Sunday.

Upcoming Races

Nov 16 2019
50 KM
6,237 6,237 ft.
Mixture Course
7 Aid Stations
4 Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Nov 16 2019
50 Miles
9,859 9,859 ft.
Mixture Course
12 Aid Stations
4 Elevation Rating
Very hilly, ~7500-12,500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Results

50 Miles View course top times

Date Finishers Top Result Top Result (F)
11/17/18 Race Cancelled
11/18/17 564 6:02:26 7:07:56
12/03/16 539 5:56:03 6:59:49
12/05/15 479 6:12:37 7:13:52
12/06/14 533 6:07:52 7:08:09
12/07/13 393 6:21:10 7:21:51
12/01/12 325 5:33:13 6:39:18
12/03/11 319 6:19:04 6:56:07
12/04/10 243 6:46:56 7:44:57
12/05/09 187 6:33:29 7:38:03
12/06/08 137 6:49:33 7:58:37
12/01/07 55 6:57:22 7:59:55

50 KM View course top times

Date Finishers Top Result Top Result (F)
11/17/18 Race Cancelled
11/18/17 529 4:03:21 4:55:23
12/03/16 515 3:48:32 4:48:27
12/05/15 501 4:03:14 4:19:45
12/06/14 507 3:59:17 4:33:25
12/07/13 358 4:17:34 4:55:20
12/01/12 315 3:58:30 4:26:43
12/03/11 367 4:15:29 5:03:42
12/04/10 293 4:48:13 5:13:06
12/05/09 168 4:29:40 5:06:46
12/06/08 126 5:07:04 5:43:16
12/01/07 88 5:46:11 6:12:50
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.

More events by The North Face Endurance Challenge

Iron Bull Ultra
  • Oct 5, 2019
  • Wausau, WI
50 KM