The Valley Bottom Rio Trio
Alamosa's Valley Bottom Rio Trio offers a unique adventure triathlon experience within Riofest.
Race Date
Jun 6, 2026
Location
Alamosa, CO
Quick facts
- Date
- Saturday, June 6, 2026
- Location
- Alamosa, Colorado
- Distance
- Half marathon (13.1 mi) + 13.85 Miles, 1.75 Miles
- Course
- Loop Course
- Terrain
- Mixed
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
The Experience
The Valley Bottom Rio Trio, now in its 6th year, is an adventure-style triathlon held in Alamosa, Colorado, as part of the city's vibrant Riofest celebration. This unique event challenges participants across three disciplines: an 8-mile trail bike ride, a 3-mile paddle on the Rio Grande, and a 5k-plus run.
Runners can tackle the entire course solo or form a 3-person relay team. The race is fully chip-timed, ensuring accuracy for all competitors. Following the event, participants can enjoy an outdoor awards ceremony and lunch provided by local food vendors, all within the festive atmosphere of Riofest, which includes live music, craft vendors, and an outdoor expo.
A kids' race is also offered the following day, making it a family-friendly weekend of activity. Participants have the option to bring their own watercraft or rent kayaks and standup paddleboards, though availability is limited.
Race-provided description
Alamosa Parks and Recreation will be hosting the 6th annual “Valley Bottom Rio Trio”; an adventure-style triathlon race within the City of Alamosa! This fully chip-timed race will feature an 8-mile trail bike ride, a 3-mile paddle on the Rio Grande, and a 5k+ run. Participants will be given the option of doing all three legs of the race solo or as part of a 3-person relay team. Bring your own boat or rent a kayak or standup paddleboard from us (limited quantities available)! This year's race will take place on the morning of Saturday, June 6th. An outdoor awards ceremony and lunch will be served by local food vendors following the race. This year's event will also be a part of the city's Riofest, which includes live music, craft vendors, food, beer, and an outdoor expo. A kids' race will be offered on June 7th, 9:30am at Blanca Vista Pond.
Logistics
Race Day
Saturday, June 6, 2026
Start Time
9:30 AM
Giveaway
T-Shirt
Start Location
506 2nd Street, Alamosa, CO, 81101
Course Info
Course Type
Loop Course
Terrain
mixed
Scenery
Lake River, Rural
Surface
Dirt Trail, Paved
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
first year
no finisher counts yet
small race — neutral
needs a few years of results
3 timing sources · 8 photos
no finisher data yet
no winner time yet
typical high 78°F
Race Day Weather
5-year historical avgStart (Low)
43°
Afternoon (High)
78°
Warm — hydration strategy is key, start conservatively
0.0"
Precipitation
13 mph
Wind
44%
Humidity
Race Photos
Frequently asked
When is the The Valley Bottom Rio Trio?
The The Valley Bottom Rio Trio is held on Saturday, June 6, 2026, starting at 9:30 AM.
Where does the The Valley Bottom Rio Trio take place?
It takes place in Alamosa, Colorado.
What distances does the The Valley Bottom Rio Trio offer?
The half marathon (13.1 miles), plus 13.85 Miles, 1.75 Miles.
Is the The Valley Bottom Rio Trio course flat and good for a PR?
The The Valley Bottom Rio Trio is a ultra-flat, loop course course.
HalfRuns editorial — independent, no paid placement.
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