Run as many laps as you are willing or able in a 6-hour period. Each lap is 1.061 miles around the lagoon at Crissy Field. The course is flat with 60% dirt and 40% asphalt path.

Upcoming Races

Sep 21 2019
6 Hours
Flat or nearly flat
Paved or very smooth surface

Results

Date Distance Total Finishers Top Result Top Result (F)
06/04/17 6 Hours No Results Posted. Submit Results
10/23/16 6 Hours No Results Posted. Submit Results
06/02/13 6 Hours 51 42.44 25.46
07/08/12 6 Hours 61 45.623 28.647
07/10/11 6 Hours 65 44.562 38.196
09/24/06 6 Hours 32 39.41 34.28
09/25/05 6 Hours 42 40.98 29.95
09/24/04 12 Hours 50 65.31 65.67
09/14/03 6 Hours 36 44.13 27.58
09/14/02 12 Hours 34 66.2 59.8956
08/11/01 12 Hours 40 73.69 51.23
08/26/00 12 Hours 37 74.06 55.96
09/20/98 12 Hours 60 71.72 52.8
10/06/96 12 Hours 42 76.4 68.6
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.
The North Face Endurance Challenge Massachusetts
  • Jun 8, 2019
  • Princeton, MA
50 KM 50 Miles