Big Bend 50

Big Bend 50 is a trail event held at Big Bend Ranch State Park, Texas, on January 17, 2027. Five distances are offered: a 100K (62 miles), a 55K (34 miles), a 35K (21.7 miles), a 20K (12.4 miles) and a 10K (6.2 miles). Start times were not published at the time of listing.

The range of formats means you can pick a distance that fits your season, whether you want a scenic 10K in the West Texas desert or a full 100K day. The 35K is a good target if you are moving up from road marathons to trail running, while the 55K is an approachable first ultra with a bit more than 50K on the clock. For the 100K, plan on a 16- to 20-week build with back-to-back long runs and rehearsed fueling, and for the 55K a 12- to 16-week block with a long run peaking near 22 miles. Desert terrain tends to be rocky and exposed, so protective shoes, sun coverage and a hydration plan matter regardless of distance.