Fred and the team at Mach983 CrossFit - Aurora, CO are some of the best coaches I've ever seen. They don’t just lead workouts - they pay close attention to every detail, from spotting when your form starts to slip to adjusting the weight so you’re challenged but not overwhelmed.
Whether you’re trying to get in shape for the new year or get swimsuit ready for the summer, they create workouts that push you just the right amount. The energy in the gym is motivating without being intimidating, and you can tell everyone genuinely wants to see you improve. Mach983 is the best gym in Aurora because it combines expert coaching with a welcoming atmosphere... read full review
January 2026
Coach Trevor was a great help in getting my started on my CrossFit journey! I definitely want more, and I'm coming back. I got my work cutout for me, but the positive reinforcement was gold.
December 2025
Gem of a box! Dropping in around Christmas is hit or miss on available classes, but Mach983 has Christmas eve classes and open gym on Xmas day (believe me when I say I NEED that)! Well run class and friendly folks. Good time all around!
Fred and the team at Mach983 CrossFit - Aurora, CO are some of the best coaches I've ever seen. They don’t just lead workouts - they pay close attention to every detail, from spotting when your form starts to slip to adjusting the weight so you’re challenged but not overwhelmed.
Whether you’re trying to get in shape for the new year or get swimsuit ready for the summer, they create workouts that push you just the right amount. The energy in the gym is motivating without being intimidating, and you can tell everyone genuinely wants to see you improve. Mach983 is the best gym in Aurora because it combines expert coaching with a welcoming atmosphere... read full review
Coach Trevor was a great help in getting my started on my CrossFit journey! I definitely want more, and I'm coming back. I got my work cutout for me, but the positive reinforcement was gold.
Gem of a box! Dropping in around Christmas is hit or miss on available classes, but Mach983 has Christmas eve classes and open gym on Xmas day (believe me when I say I NEED that)! Well run class and friendly folks. Good time all around!