Dinosaur Run

Event overview

The Dinosaur Run takes place from Friday, October 31 to Saturday, November 1, 2025, in San Angelo, Texas. The event offers multiple distance options and timed events run on repeated 5k loops. Timed races are judged by the number of complete loops finished within the time limit.

Course and races

The course is made up of two alternating 5k loops at Twin Buttes. The start location is at Twin Buttes off Twin Buttes Marina Park Road, 5640 Twin Buttes Marina Park Road, San Angelo, TX 76904.

Distances:

• 5K: One 5k loop
• 10K: One of each 5k loop (two alternating loops)
• 2 Hour: Alternating 5k loops for the duration of the event
• 4 Hour: Alternating 5k loops for the duration of the event
• 6 Hour: Alternating 5k loops for the duration of the event
• 24 Hour: Alternating 5k loops for the duration of the event

Additional race rules for timed events: Visit the organization's website for the most recent information.

• Competitors must alternate loops correctly to be eligible for age group awards.
• Only laps completed within the official time limit count.
• If there is a tie, the tie breaker is who completed their final lap first.