There are 37 marathons in Texas scheduled for 2026. The next is the Lubbock Marathon in Lubbock on October 25. Texas marathons run primarily October.

Harvest Marathon Relay

Sun, Nov 1 · Houston, TX Houston
Competitive Team - $65 individual registration fee ($55 before October 1) for up to 10 registrationsCompetitive Team - $500 group registration fee for up to 10 registrationsIndividual Registration Team - $65 individual registration ($55 before October 1) fee up to 25 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 1Texas Quad 13.1-Day 3Texas Quad 13.1-Day 4 +7

Texas Double

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

New Years Double

Thu, Dec 31 · Allen, TX Allen
New Year's Eve 5KNew Year's Day 5KNew 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, 2-Person RelayThe ReRun 5X5 Trail Run, IndividualThe ReRun 5X5 Trail Run, 3-Person Relay +2

Texas Triple

Sat, May 29 · Dallas, TX Dallas
Texas Triple 13.1-Day 1Texas Triple 13.1-Day 3Texas Triple 13.1-Day 1 +13