Ultramarathon Guide

Bandera 100K

Bandera 100K delivers two rocky Texas Hill Country loops where steep short climbs, loose footing, and sharp sotol make every mile more technical.

Next race2027 date TBD
Distance categoryUltramarathon
LocationBandera, Texas

Marathon Scout prioritizes official race websites, registration pages, timing providers, results pages, and race-linked live tracking. Last updated July 17, 2026.

Bandera 100K quick facts

  • The 100K totals roughly 6,600 feet of ascent and descent across two laps.
  • Technical limestone and sotol make this much harder than its modest elevation profile suggests.
  • Full aid stations and a Saturday-to-Sunday schedule support the overnight cutoff.

About the Bandera 100K

Tejas Trails stages this long-running winter 100K at Hill Country State Natural Area, alongside 50K and 25K races on the same weekend.

Bandera 100K course description

Runners complete two counterclockwise 50K loops with about 3,300 feet of climbing per lap. Rocks, ledges, sotol, and frequent short climbs define the route.

Weather for the Bandera 100K

January may bring a cold start, mild sun, wind, or rain. The exposed Hill Country terrain offers limited shelter when conditions change.

Past Bandera 100K dates and results

YearDateStatusResults
2026Saturday, January 10, 2026CompletedOpen results

Bandera 100K FAQ

When is the Bandera 100K?

We're waiting for the finalized date for the 2027 Bandera 100K. The most recent running was on Saturday, January 10, 2026.

How do I register for the Bandera 100K?

You can register for the Bandera 100K at runsignup.com.

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