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Run the River: Rio Colorado Ultra Slam™
Spicewood, Texas · Friday, January 1, 2027 · 250K, 155 Miles, 200 Miles
Official race page & registration ↗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 93 races on the Texas calendar that January. At $545, entry sits above the $30 median for a Texas ultra. 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
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? Tell us here.
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?
Entry is listed from $545. Check the official race page for the current price, which usually rises closer to race day.
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
- Jan 1Run the RiverSpicewood, TX
- Jan 1A Happy New Year 5K & 10K Trail Run eventBurnet, TX
- Jan 1Canyon of the Eagles New Year's Trail Challenge · (100K & 50K ULTRA, Marathon, 13.1M Run & Ruck, 10K & 5K • Last Standing)Burnet, TX
- Jan 1Dash & Splash 5KPalestine, TX
- Jan 1Houston Resolution Run presented by Huntington BankHouston, TX
See every race on the Texas calendar, all Spicewood races, Texas Ultras, or use the Race Finder for maps and filters.