Date
19 Jul 2025
19 Jul 2025
Location
Boulder Reservoir
Boulder, CO, United States
Boulder Reservoir
Boulder, CO, United States
Distances shown in ft/mi » change to m/km
Swim Distance
1.2 mi
1.2 mi
Bike Distance
49.7 mi (with 1650 ft elevation gain)
49.7 mi (with 1650 ft elevation gain)
Ride it virtually How does it work?
Image Gallery
Pictures provided by race organizer
Athlete`s Rating
General Information
| Entry Fees: | $140-180 |
| Start Time: | 07:15 |
Swim
| Distance: | 1.2 mi |
| Type: | Lakeswim |
| Waters: | Boulder Reservoir |
| Start Method: | Wave Start |
| Separated Aquabike Start Wave: | Separated start wave for aquabike athletes |
| Expected to be wetsuit legal? | not provided |
| Cut off time: | not provided |
Bike
| Distance (official): | 49.7 mi |
| Distance (gpx data): | 49.3 mi |
| Elevation Gain: | 1650 ft |
| Closed Roads? | not provided |
| Cut off time: | not provided |
Finish
Results
| Results 2025 | Tri Boulder 2025 |
| Results 2024 | Tri Boulder 2024 |
| Results 2023 | Tri Boulder 2023 |
| Results 2022 | Tri Boulder 2022 |
| Results 2021 | Tri Boulder 2021 |
Contact, Website & Registration Info
| Organizer contact email | info@bbsctri.com |
| Event Website | https://register.bbscendurance.com/event/tri-boulder-2025?_gl=1*90ezx4*_ga*ODUyMjMzMzU5LjE3MTM0MjUzNDY.*_ga_6DPKSN5VRE*MTczMTkwMzYxMC4yNy4xLjE3MzE5MDM2NzYuMC4wLjA.&_ga=2.3421748.585524842.1731903612-852233359.1713425346 |
Accommodation
Weather on Raceday
To give you an idea about how the weather could be on raceday we show you how the weather has been on 19 Jul in Boulder in the last 5 years.
19 Jul 2020
19 Jul 2021
19 Jul 2022
19 Jul 2023
19 Jul 2024
19 Jul 2020
64°F - 68°F
9 mph
N
N
19 Jul 2021
66°F - 70°F
7 mph
N
N
19 Jul 2022
75°F - 79°F
9 mph
W
W
19 Jul 2023
73°F
9 mph
N
N
19 Jul 2024
61°F - 66°F
4 mph
W
W
Questions & Answers
You have a question about Tri Boulder 2025? Post it here to get an answer from our community or the race organizer.
What else to do in Boulder
If you´re travelling to this event you might want to stay a few days longer to explore the region. Here are some recommendations from GetYourGuide for the most popular activities in and around Boulder.
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