trail250 km · 80.467 km · 160.934 km · 5 km · 10 km · 21.098 km · 42.195 km · 49.89 kmtrail

Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K

Next date: Friday, 27 November 2026 · 2 dates · Marble Falls, TX, United States

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Check the latest event details and entry availability with the organiser.

Choose a date and distance

Dates and distances

Fri, 27 November 2026

80.467 km
50 Mile Run
Ends Sat, 28 November 2026
Entry details ↗
160.934 km
100 Mile Run
Ends Sat, 28 November 2026
Entry details ↗
250 km
250K
Ends Sun, 29 November 2026
Entry details ↗

Sat, 28 November 2026

5 km
Double Turkey 5K Run/Walk
Entry details ↗
5 km
Kids Run
Entry details ↗
10 km
Double Turkey 10K
Entry details ↗
21.098 km
Half Marathon
Entry details ↗
42.195 km
Marathon
Entry details ↗
49.89 km
50K
Entry details ↗

Next date: Friday, 27 November 2026 – Sunday, 29 November 2026
Location: Marble Falls, TX, United States
Distances: 250 km · 80.467 km · 160.934 km · 5 km · 10 km · 21.098 km · 42.195 km · 49.89 km

Plan with confidence. Race dates, prices and entry availability can change. Always confirm the latest details with the organiser before making plans. Check the official race website ↗Listing last updated 4 October 2026. This is a listing update, not a guarantee that every detail has been rechecked.

About This Race

COLORADO RIVER RUN Run to the River "Out here on these trails, not all who wander are lost, some are simply finding their strength." 100 MILES 50 MILES, 10 MILES & 5 MILES 50K & MARATHON HALF.