Early-bird pricing ends soon — lock in your spot
Runners silhouetted at Texas sunrise
San Antonio · Texas

Enter the Dragon's Den

Half Marathon · 10K · 5K. A hand-crafted endurance experience by eDragon Productions — through the heart of the Texas Hill Country.

Aug 15, 2026
Race Day
Pearsall Park
Start Line
5K · 10K · 13.1
Distances

Choose your fire

Three Ways to Run

Whether it's your first 5K or your fastest half, we've built a distance for you.

5K

5K Run

Perfect for first-timers, families, and the fast crowd looking to fly.

  • Chip timed
  • Ages 5+ welcome
  • Medal & tech tee
Sign up
10K

10K Challenge

A rolling loop through the neighborhood — the sweet spot between speed and grit.

  • Chip timed
  • Age-group awards
  • Medal & tech tee
Sign up
13.1

Half Marathon

The full Dragon experience. Hills, views, and a finish line you'll never forget.

  • Chip timed
  • Aid every 2 miles
  • Medal, tee, & finisher gift
Sign up
Dragon's Den 2026 finisher medal — Earned. Not Given.

Finisher's Reward

Earn the Dragon

Every finisher takes home our signature Dragon medal — cast in bronze, enameled in ember, built to be worn. It's more than metal; it's proof you faced the den.

Age-group awards
Top 3 in every 5-year bracket.
Team relay ready
Bring your squad and split it up.
Chip timed
Accurate results, live splits.
True hill country
Rolling terrain, real challenge.
Aerial view of the race course

The Course

Fast, scenic, unforgiving

Pearsall Park's Gruelling Hills serve up rolling terrain, real elevation, and sweeping views — fully supported with aid stations, medical, and a finish festival worth sticking around for.

Explore the course

Meet the Team

A word from the founders

The story behind eDragon Productions — why we build races for runners, by runners.

Race Preview

Relive the Dragon's Den

Highlights from previous years — the energy, the course, and the finish-line moments that define this race.

Race Recap

Scenes from the Den

A look at what happens when the horn sounds — sunrise miles, aid-station roars, and hard-earned medals.

Find the Start Line

Race location

Dragon's Den takes over Pearsall Park — home of the Gruelling Hills trail system — with wide-open start/finish space, free race-day parking, and gear-check at the line.

Start & Finish
Pearsall Park, 5102 Old Pearsall Rd, San Antonio, TX 78242
Parking
Free parking opens 5:30 AM. Follow the ember signage from the main lot.
Getting there
20 min from downtown SAT · 25 min from SAT airport. Rideshare drop-off at the park entrance.
Get directions

Registration is Open

Early-bird pricing ends soon. Lock your spot in the Dragon's Den.