Your Lane is Waiting

Make a splash in our two heated pools. With dedicated lanes, free swim, lessons and training, Colorado Athletic Club-Flatirons is the place to swim in Boulder. Whether it’s 60° and sunny or snowing in January, you have a place for freestyle and flip turns.

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Swimming Perks

Outdoor Pool

  • 25 meters of temperature-controlled water
  • Open all year long
  • Kiddie pool open during the dog-days of summer
  • Soak up the rays anytime of year with Boulderʼs 300 days of sunshine

Outdoor Pool Schedule

Indoor Pool

  • 4-lane lap pool
  • Temperature controlled

Indoor Pool Schedule

Swim Young, Swim Often

Swimming Lessons

Swimming is for life. With classes and lessons for little ones as young as 6 months, the certified swimming instructors at Colorado Athletic Club-Flatirons know what it takes to ensure your kids are safe and confident in the water – all while having fun!

Swimming Lessons

Stroke Schools

Designed for kids looking to refine their existing swimming skills. Personalized instruction will build your childʼs swimming mechanics, strength and endurance as they improve their confidence in the pool.

Stroke Schools

Deep Water Conditioning

Reap the rewards of a high-intensity workout without the impact. Deep water conditioning raises your heart rate, and builds strength and endurance. The temperature-controlled water provides a natural source of resistance at a comfortable temperature, while you tone your body and improve your core.

Deep Water Conditioning

Private & Semi-Private Instruction

Thereʼs no doubt tailored instruction can improve your techniques and strengths in the pool. Our qualified coaches can elevate your swimming skills through focused, consistent workouts – putting your goals within arms-length.

Private & Semi-Private Instruction

Have a Swimming Question?

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