Texas · 155 Miles · 200 Miles · 400 Miles
Rio Colorado Ultra Slam
Rio Colorado Ultra Slam is a 155 Miles, 200 Miles and 400 Miles event held in Spicewood, Texas. Its next confirmed date is Friday, January 1, 2027.
- Race day
- January 1, 2027
- Location
- Spicewood, TX
Race details
- Date
- Friday, January 1, 2027
- Location
- Spicewood, Texas
- Distances
- 155 Miles, 200 Miles, 400 Miles
- Registration
- runsignup.com
- Official website
- fitfoundation.org
About the Rio Colorado Ultra Slam
Rio Colorado Ultra Slam™ Multiple races. One river. One of the toughest endurance challenges in Texas. The Rio Colorado Ultra Slam™ is a journey that tracks the spectacular geographical transformation of Texas. Runners trace the lifeblood of the Lone Star State, moving from the rugged granite cliffs of the Hill Country, winding through the sandy loam of the Lost Pines savannah, and culminating in a brutal, beautiful endurance showdown on the edge of the Gulf of Mexico. From Tow, near the Canyon…
Rankings and notes
- Notes
- [enrich 2026-09-25] Not a single-day race: year-long cumulative "Slam" challenge (Jan 1-Dec 31, 2027) completed via separate qualifying races; no single course/start.
More races in Spicewood
-
Rodeo Trail Run of Austin • Backyard Ultra (Last Cowboy/Cowgirl Standing) • 8 Hour • Marathon • Half Marathon • Backyard Ultra Relay Duos (2-Person Team)Spicewood, TXHalf Marathon5K28 Miles4.167 Miles
More upcoming races in Texas
-
BISD Family 5K & Kids Fun RunClute, TX
Keep exploring
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Rio Colorado Ultra Slam: common questions
- When is the Rio Colorado Ultra Slam?
- The next confirmed date is Friday, January 1, 2027.
- Where is the Rio Colorado Ultra Slam held?
- In Spicewood, Texas.
- What distances does the Rio Colorado Ultra Slam offer?
- 155 Miles, 200 Miles and 400 Miles.
- How do I register for the Rio Colorado Ultra Slam?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.