Tri Boulder

Boulder Reservoir, Boulder, CO

july 24, 2021

tri boulder bbsc endurance july

Tri Boulder: race details

As one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day; Long Course, Olympic and Sprint Triathlon, Sprint Duathlon and Olympic Aquabike.

TRI Boulder: Race details

Long Course Boulder Beast Triathlon
1.2mi swim, 50 mile bike, 12.4 mi run

Olympic Triathlon
1500m swim / 26.4 mile bike / 6.2 mile run
Sprint Triathlon
750m swim / 17.3 mile bike / 3.1 mile run

Long Course Aquabike
1.2mi swim / 50 mike bike

Sprint Duathlon
3.1 mile run / 12.4 mile bike / 3.1 mile run

Multi-sport Relays
2-3 person teams can compete together to complete the Olympic Triathlon Relay, Sprint Triathlon Relay or Sprint Duathlon Relay

Race Day Schedule
5:30am: Transition Area Opens
5:45am: Race Day Packet Pick Up
7:05am: Boulder Beast Waves Start
7:07am: Aquabike
7:10:am: Duathlon Start
7:13am-7:27am: Olympic Triathlon Starts
7:30am-7:45am: Sprint Triathlon Starts
7:15am: Olympic Waves Start
7:30am: Sprint Waves Start
8:30am: Swim Cut-Off
9:15am: Awards will begin as soon as results are ready
12:30pm: Bike Cut-Off
3:30pm: Run Cut-Off / Course Closed

Tri Boulder: Pricing

Distance 11/30 - 12/7 through 12/31 through 6/11 through 7/18 74/19-7/23
Sprint Tri $80 $90 $100 $110 $120
Olympic Tri $105 $115 $125 $135 $145
Long Course Tri $160 $170 $180 $190 $200
Long Course Relay $180 $190 $200 $210 $220
Long Course Aqubike $125 $135 $145 $155 $165
Sprint Duathlon $80 $90 $100 $110 $120
Sprint Duathlon Relay $115 $125 $135 $145 $155
Sprint Tri Relay $115 $125 $135 $145 $155
Olympic Tri Relay $135 $145 $155 $165 $175

Tri Boulder: Packet Pick Up

2021 Dates & Times TBD​
TriBoulder Packet Pick Up Locations to be announced

Tri-Boulder: sponsors

register now

TRI BOULDER - July 24, 2021



SKU: Tri Boulder 2021 Category:

Additional information

Race Type

Duathlon Individual, Duathlon Relay (Captain), Duathlon Relay (Team Member), Olympic Individual, Olympic Relay (Captain), Olympic Relay (Team Member), Sprint Individual, Sprint Relay (Captain), Sprint Relay (Team Member), The Beast Aquabike Individual, The Beast Triathlon Individual, The Beast Triathlon Relay (Captain), The Beast Triathlon Relay (Team Member)


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TRi Boulder: course Maps

scenic running perfected.

Swim Course

Boulder Reservoir
Sprint 750m (0.47mi) - Olympic 1500m (0.93mi)
Swim Course

Bike Course

boulder reservoir
Sprint 12.4mi - Olympic 24.8mi
Sprint Courseolympic Course

Run Course

boulder reservoir
Sprint 5K (3.1mi) - Olympic 10K (6.2mi)
RUN Course

we care about your safety

We want you to feel confident when registering for a BBSC race and those already registered can have peace of mind knowing you have options and will not lose any portion of your race entry. We believe our COVID-19 transfer policy is the best in the industry, going above and beyond for the athletes who choose to race with us.
View COVID-19 Policy
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