Date
Sun, 13 Dec 2026
Start
07:00
Venue
Pearsall Park, 838 Old Pearsall Rd, San Antonio, TX 78242
San Antonio, Bexar County
Countdown
December
The middle option at Dragon Trails: a 25K trail run, roughly half an ultra, for runners who want real distance without going all in.
Key facts
01Carry your own water for the whole run
Create a free training plan for the Dragon Trails 50k & 10K 25 km
7-day free trial, no card required
The course
One lap, on repeat
San Antonio · one lap
Distance25km
Start · finishOne lap · elevation
0 kmDrag map to rotate25.1 km
Weather
Mid-December, San Antonio
20°CTypical high
6°CTypical low
-5°CColdest in 20 years
17%Days with rain
Highs around 20°C and lows around 6°C, but it has dropped to -5°C. Rain on 17% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Dragon Trails 50k & 10K 25 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Dragon Trails 50k & 10K 25 km plan targets
Typical sessions
25 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Dragon Trails 50k & 10K 25 km plan.
7-day free trial, no card required.
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