There are 35 marathons in Texas scheduled for 2026. The next is the Dallas Running Club Fall Training Program in Dallas on August 15. Texas marathons run primarily August through October.

Harvest Marathon Relay

Sun, Nov 1 · Houston, TX Houston
Small Group Team - $500 group registration fee includes 10 registrationsIndividual Registration Team - $65 individual registration ($55 before October 1) fee up to 25 registrationsCompetitive Team - $500 group registration fee for up to 10 registrations +2

Texas Quad

Thu, Nov 26 · Dallas, TX Dallas
Texas Quad 13.1-Day 4Texas Quad 13.1-ALL 4 DAYSTexas Quad 13.1-Day 3 +7

Texas Double

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

New Years Double

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