Colorado Triathlon – Olympic Duathlon takes place on Sun, Jun 6, 2027 in Boulder, United States. The main route is 52.8 km.
- Date
- Sun, Jun 6, 2027
- Start
- Boulder 🇺🇸
- Distance
- 52.8 km
- Level
- Open to all
Your 32-week plan to Colorado Triathlon – Olympic Duathlon
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
The Olympic Duathlon of the Colorado Triathlon at Boulder Reservoir: a 5 km run, a 23.5-mile (37.8 km) bike leg and a 10 km run.
Your road to race day
Race day at Colorado Triathlon – Olympic Duathlon is 32 weeks away. This is how a coach divides that time. The first phase starts now.
01Base20 weeks · Oct 26, 2026 – Mar 14, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Mar 15, 2027 – Apr 25, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Apr 26, 2027 – May 16, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · May 17, 2027 – May 30, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · May 31, 2027 – Jun 6, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Colorado Triathlon – Olympic Duathlon?
Colorado Triathlon – Olympic Duathlon takes place on Sun, Jun 6, 2027 in Boulder, United States.
How long is Colorado Triathlon – Olympic Duathlon?
The main route is 52.8 km.
Who is Colorado Triathlon – Olympic Duathlon for?
Colorado Triathlon – Olympic Duathlon is open to all participants.
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