Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K
Nov 27Marble Falls, TX250K, 100 mi +6
Also 100 miles, 94 mi from Rise El Taco Loco, registration open
Rise El Taco Loco
- 5K entry
- $50
- Days to register
- 22
At a glance
- Date
- Nov 14, 2026
- Location
- San Antonio, Texas
- Distances
- 100 mi, 100K, 50K, 25K, 10K, 5K
- Registration
- Closes Nov 13, 2026, via ultrasignup.com
Listed from UltraSignup. Checked Oct 19, 2026.
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Build my planAbout this race
Trail race at the Land Heritage Institute consisting of mainly single track trails with soft footing and loose gravel, running through scenic open meadows and along the Medina River.
Key dates
Registration closes
Nov 13, 2026
Race day
Nov 14, 2026
Pricing
100k Relay
Registration
$320
100 miles
Registration
$225
100K
Registration
$120
50K
Registration
$95
25K
Registration
$80
10K
Registration
$60
5K
Registration
$50
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Registration openings and major changes, like a new date or a cancellation.
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Straight-line distance
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Race planning
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