Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Pandora's Box Of Rox

Name: Pandora's Box Of Rox
Start: 2026-04-25
End: 2026-04-25
Location: Burnet

Burnet, United States • 25 Apr 2026

Pandora's Box of Rox is an annual trail running event held at Reveille Peak Ranch near Burnet, Texas, just outside Austin. Scheduled for late April, it offers a variety of race distances including 4 miles, 8 miles, a half marathon (13.1 miles), a full marathon (26.2 miles), and a challenging double marathon (52.4 miles), plus a youth 1-mile run for kids 12 and under. The course features rugged terrain with scenic meadows, creek crossings, and a notable granite dome. The event is family-friendly with well-marked trails, fully stocked aid stations, and a festive atmosphere including an after-party with food trucks, games, and a swimming pool. Registration opens in November. Visit the organization's website for the most recent information.

United States Texas Burnet

Race information

Website

52 mi

Double Marathon (52.4 Miles)

26 mi

Marathon (26.2 Miles)

13 mi

Half Marathon (13.1 Miles)

8 mi

8 Mile Run

4 mi

4 Mile Run

Youth 1 Mile Run

Visit the organization's website for the most recent information.

Trail runs nearby

Sat - Sun Aug 9-10

Capt'n Karl's Trail Series - Reveille Peak Ranch

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Capt'n Karl's Trail Series at Reveille Peak Ranch in Burnet, Texas, is a premier trail running event held August 9-10, 2025. Set in a stunning private adventure park 55 miles northwest of Austin, the race features multiple distances: 60K, 30K, 20K, 10K, a Sunset 5K, and a Youth 1-Mile Trail Run for..

Saturday Sep 13

Mellow Trail Race

Spicewood - 20 mi from Burnet

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The Mellow Trail Race is a scenic trail running event held at Pace Bend Park in Spicewood, Texas, near Austin and San Antonio. Set along the shores of Lake Travis, the race offers a festive "lake party" atmosphere with the finish line positioned close to the water, allowing runners to cool off and e..

Saturday Oct 25

Fields of Gold 50-Miler

Marble Falls - 12 mi from Burnet

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The Fields of Gold 50-Miler and associated races take place at Shaffer Bend Recreation Area in Marble Falls, Texas, showcasing the stunning fall colors of the Texas Hill Country. This event offers multiple distances including a 50-Miler ultra, 50K, marathon, half-marathon, 10K trail race, and a fami..

Saturday Nov 1

Donut Dash 16M

Lago Vista - 25 mi from Burnet

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The Donut Dash 16M, officially known as the RRCA 8K Championship | Oasis Donut Dash, is a scenic running event held at Bob Wentz Park in Austin, Texas, along the beautiful Lake Travis shoreline. Scheduled for November 1, 2025, it offers multiple distances including 5K, 8K (the RRCA Texas State Champ..

Saturday Nov 22

Backyard Ultra - Summit Trail Racing

Marble Falls - 12 mi from Burnet

Backyard Ultra

4 mi

The Backyard Ultra hosted by Summit Trail Racing in Marble Falls, Texas, is a unique "Last Person Standing" trail race featuring a 4.1667-mile loop that participants must complete every hour. Runners continue looping until only one remains, with no pacers allowed. The course includes a flat, wide 2...

Fri - Sat Nov 28-29

Colorado River Trail Run

Lago Vista - 25 mi from Burnet

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The Colorado River Run is a scenic trail running event held at Arkansas Bend Park in Lago Vista, Texas, near Austin. Taking place over Thanksgiving weekend, it offers a variety of distances including 5K, 10K, half marathon, marathon, 50K, 50-mile, and 100-mile ultramarathon races. The course feature..