About Us

720 Athletics is a small business proud to serve our Denver community!

We are making people’s lives better, healthier, and happier. By entering our gym, we will make you fitter for life, so you’ll be able to enjoy Colorado outdoors and family time for years to come.

We aim to make every member feel welcome and happy to be with us while they are working hard towards their goals!

Meet Our Instructors

Our coaches are highly qualified and educated and have years of experience!

We pride ourselves on great coaching and facilitating a great workout environment!

Summer Henderson

CrossFit Coach

Summer found CrossFit back in May of 2016 while she was coaching group fitness classes at the CSU recreation center.

Kathleen Sigg

CrossFit Coach

Kathleen found CrossFit in 2016 after tiring of self-directed globo gym lifting.

Savannah (Sav) Fearns

CrossFit Coach

Savannah found CrossFit in 2012 while attempting to shake off some weight. While losing weight, this also gave her a new respect for strength and weight gain, and from there, she took it by storm.

Jan Denny

Owner & CrossFit Coach

Jan has been an athlete all his life, starting when he was eight years old with swimming. He was born and raised in Slovenia and always dreamed of moving to the United States to study and swim.