Cowtown Marathon
Located in Fort Worth also featuring three-person marathon relay, 10K and 5K runs with contacts, registration, pictures, past results and news releases.
Freescale Austin Marathon
Located in Austin event information, registration form, results and relay events.
San Antonio Marathon
Includes 5K and relay events with an entry form, hall of Champions, course map, pictures and registration information.
White Rock Marathon
Dallas event in mid-December. Provides registration details, travel information, training tips, volunteer opportunities, and a schedule of events. Also offers a half-marathon, a five-person relay, and a 5k event.