Pandora's Box of Rox Double Marathon
Where the 2027 race is now
- Registration openRegister for 2027
- Race daySaturday, April 24, 2027
- ResultsPosted here as soon as the timer has them
- Race day
- Apr 24, 2027 Saturday
- Distance
- Ultra Ultramarathon
- Entry
- Open Open entry
- Boston qualifier
- n/a
- Live tracking
- Not yet Shown here race week
Quick facts
- Four laps of the 13.1-mile loop
- 6 a.m. start
- Drop bags at the 360 Bridge gate
- Hot, exposed granite on every lap
Course
The route repeats the 13.1-mile loop four times, crossing the ranch's granite dome on every lap. Shade is limited on the rock, and water at unstaffed aid stations may not stay iced all day.
The race starts at 6 a.m. and has a final-lap cutoff.
About the Pandora's Box of Rox Double Marathon
The double marathon is the longest race at Pandora's Box of Rox, a Tejas Trails event on private ranch land outside Burnet. It starts an hour before the marathon.
Runners can leave their own drop bag or small cooler at the 360 Bridge gate, about nine miles into each lap.
Past Pandora's Box of Rox Double Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2027 | Saturday, April 24, 2027 | Upcoming | — |
| 2026 | Saturday, April 25, 2026 | Results available | Open results |
| 2025 | — | Results available | Open results |
Pandora's Box of Rox Double Marathon FAQ
When is the Pandora's Box of Rox Double Marathon?
The 2027 Pandora's Box of Rox Double Marathon is on Saturday, April 24, 2027.
Is registration open for the 2027 Pandora's Box of Rox Double Marathon?
Registration for the 2027 Pandora's Box of Rox Double Marathon is open (checked November 9, 2026). View the official registration details at runsignup.com.
How do I track a runner in the Pandora's Box of Rox Double Marathon?
Most races publish tracking in race week. Marathon Scout links the official tracker on this page during race week, once the race or its timing provider publishes it.
Where can I find the Pandora's Box of Rox Double Marathon results?
The 2026 results and earlier years are linked on the Pandora's Box of Rox Double Marathon results page.
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