There are 35 marathons in Texas scheduled for 2026. The next is the Labor Day Trail Challenge 50K • Marathon • Half Marathon • 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
Competitive Team - $65 individual registration fee ($55 before October 1) for up to 10 registrationsLarge Group Team - $1000 group registration fee includes 25 registrationsSmall Group Team - $500 group registration fee includes 10 registrations +2

Texas Quad

Thu, Nov 26 · Dallas, TX Dallas
Texas Quad 13.1-ALL 4 DAYSTexas Quad 13.1-Day 1Texas Quad 13.1-Day 2 +7

Texas Double

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

New Years Double

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

The ReRun 5X5 Trail Run

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