There are 37 marathons in Texas scheduled for 2026. The next is the Labor Day Trail Challenge 50-Mile • 50K • Marathon • Half Marathon & Ruck • 10K • 5K • 8-Hour Run/Walk (Solo) • 8-Hour Relay in Cedar Creek on September 5. Texas marathons run primarily September through October.

Harvest Marathon Relay

Sun, Nov 1 · Houston, TX Houston
Small Group Team - $500 group registration fee includes 10 registrationsLarge Group Team - $1000 group registration fee includes 25 registrationsCompetitive Team - $500 group registration fee for up to 10 registrations +2

Houston 25K

Sun, Nov 22 · Houston, TX Houston
Houston 5K - VirtualHouston 5KHouston 10 Mile - Virtual +3

Texas Quad

Thu, Nov 26 · Dallas, TX Dallas
Texas Quad 13.1-Day 2Texas Quad 13.1-Day 3Texas Quad 13.1-Day 1 +7

Texas Double

Sat, Dec 19 · Dallas, TX Dallas
Texas Double 13.1-Day 2Texas Double 13.1-Day 1Texas Double 13.1-BOTH DAYS +6

New Years Double

Thu, Dec 31 · Allen, TX Allen
New Year's Eve 5KNew Year's Day 5K - Kids' Discounted Entry with No Race ShirtNew Year's Eve 5K - Kids' Discounted Entry with No Race Shirt +6

The ReRun 5X5 Trail Run

Sat, Jan 30 · Navasota, TX Navasota
The ReRun 5X5 Trail Run, 3-Person RelayThe ReRun 5X5 Trail Run, 2-Person RelayThe ReRun 5X5 Trail Run