March 05, 2026

Bear Mountain Fat-Ass 50k

Download the PDF KML File GPX File

Bear Mountain Fat-Ass 50k

For those looking for a truly epic run, this course uses many of the same trails that the North Face Endurance Challenge 50k used but it starts from Anthony Wayne lot so you have an aid station on the way.

WHERE AND WHEN
UPCOMING

Michigan Road Double

March 7 @ 7:00 am – 9:00 am

Michigan Road Double Redux

March 8 @ 8:00 am – 9:30 am

Trail Tuesday

March 10 @ 5:30 am – 7:00 am

Trail Thursday

March 12 @ 5:30 am – 7:00 am

Trail Tuesday

March 17 @ 5:30 am – 7:00 am

Trail Thursday

March 19 @ 5:30 am – 7:00 am

Trail Tuesday

March 24 @ 5:30 am – 7:00 am

Trail Thursday

March 26 @ 5:30 am – 7:00 am

Trail Tuesday

March 31 @ 5:30 am – 7:00 am

Trail Thursday

April 2 @ 5:30 am – 7:00 am
TRAIL DAMAGE REPORT

Help keep the trails clear by reporting downed trees or other conditions that the park should know about.

DONATE
Help keep the site running, kick in something for a night run, or help share the cost of special events by donating. Any amount accepted. Thanks.
STAY ON COURSE
The Free Avenza Maps software now has a free trail map of the Reservation available here. You can use that or the free GaiaGPS to load KML files of some of our runs as overlays. Now there’s no excuse to get lost.
CONTACT
Managed by Lee Willett info@sundayruns.org