RunRace USA › Texas › Spicewood › Run the River: Rio Colorado Ultra Slam™
Run the River: Rio Colorado Ultra Slam™
Spicewood, Texas · Friday, January 1, 2027 · 250K, 155 Miles, 200 Miles
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
Run the River: Rio Colorado Ultra Slam™ takes place on Friday, January 1, 2027 in Spicewood, Texas. The race offers 3 distances: 250K, 155 Miles, 200 Miles. For anyone travelling in, Cedar Park is about 16 miles away and Austin is about 20 miles away.
It is one of 121 races on the Texas calendar that January. Unusually for a race, it falls on a Friday.
- Date
- Friday, January 1, 2027
- Location
- Spicewood, Texas
- Distances
- 250K, 155 Miles, 200 Miles
- Entry fee
- from $545 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Spicewood: check in Dec 31, out Jan 2.
Common questions
When is Run the River: Rio Colorado Ultra Slam™?
Run the River: Rio Colorado Ultra Slam™ is scheduled for Friday, January 1, 2027.
Where is Run the River: Rio Colorado Ultra Slam™ held?
Run the River: Rio Colorado Ultra Slam™ is held in Spicewood, Texas. It is about 16 miles from Cedar Park and 20 miles from Austin.
What distances does Run the River: Rio Colorado Ultra Slam™ offer?
The listed distances are 250K, 155 Miles, 200 Miles.
How much does Run the River: Rio Colorado Ultra Slam™ cost?
Listed event options start from $545. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for Run the River: Rio Colorado Ultra Slam™?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Jan 1Run the RiverSpicewood, TX
- Dec 13Star of Texas 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K • One Mile Challenge • Last Person Standing (Speedyard)Spicewood, TX
- Mar 13Rodeo Trail Run of Austin • Backyard Ultra (Last Cowboy/Cowgirl Standing) • 8 Hour • Marathon • Half Marathon • Backyard Ultra Relay Duos (2-Person Team)Spicewood, TX
- May 15Pechanga Trail RunSpicewood, TX
- Jul 17Austin Solstice Circuit 52 Miler • 50K • Marathon • 27K • Half-Marathon • 10K • 5K • 12-Hour Solo & RelaySpicewood, TX
See every race on the Texas calendar, all Spicewood races, Texas Ultras, or use the Race Finder for maps and filters.