Sunmart Texas Trails Endurance Run 50K Race

The largest Ultra event and the largest Women’s Ultra event in the United States at this time.

Marathons, Ultramarathons and Multiday Events
Marathon Ultramarathon by distance: 50 km \| 50 m \| 100 km \| 100 miles \| Other distances 26 miles - 100 miles Ultramarathon by time: 6 hour races \| 12 hour races \| 24 hour races \| 48 hour races \| 72 hour races \| marathon \| ultramarathon \| Multiday Races Multiday race by time: 5 Day Races \| 6 Day Races \| 7 Day Races \| 10 Day Races ".." Multiday race by distance: 1000 km \| 700 miles \| 1000 miles \| 1300 miles \| 3100 miles; ".." Types of Races: Stage Races \| Adventure/Raid Races \| Trail Races \| Relay Races; ".."

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