Kirstin (aka KK) has been a certified fitness professional for 16 years with AFAA. She is an AFPA Personal Trainer and ACE Health Coach. Kirstin is a true believer in fueling the body properly before and after activity to achieve the best results. She is an avid cyclist and certified Spinning instructor. Kirstin teaches TRX, Bootcamp, Kickbox , Barre and focuses on mobility, functional training and trigger point performance. 

You name it, she has trained it …. marathoners, triathletes, skiers, lacrosse, soccer and baseball players of all ages. Stronger, faster, smarter! Kirstin is a member of Fortitude’s team of award-winning personal trainers, coaching individuals and small groups to help them become their very best!

Kirstin lives in Manchester, where she is a Varsity Lacrosse coach. She loves to be outdoors with her 2 teenagers, snowboarding, kayaking and on her paddle board. 

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12 hours ago



Lots of subs this coming week - great opportunity to discover new instructors in your fav time slots and to follow your fav instructors to new time slots:
Check this:

This Friday 6:00 - only four bikes left for KK in the saddle for Road Warrior

This Friday 9:00 - it’s out first instructor JEPH back by popular demand

Saturday 8:30 - MIA takes the Road!

Tuesday 5:15 pm - can’t get enough of Jenn? Here you go!

Wednesday 6:00am - KK’s on fire this week!!

Wednesday 5:45 pm- Lisa taps it back for a rhythm based energy ride!

Friday 6:00am - high energy from Lisa sans tap backs:)

Saturday 8:30 - Jenn hits the Road with you for power and cadence:)

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2 weeks ago


Greenbike Smoothies totally fresh, totally creative bowls and smoothies showcased on our new super cool menu boards. Come on in!

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FortCycle is Manchester, New Hampshire’s premier gym, fitness center, and health club offering the new generation of indoor cycling and spinning classes - a full body workout on the bike! If you’re looking to turn your cycle or spin class into a party on the bike, this is the gym! Maybe you’ve heard about SoulCycle or indoor cycling and have always wanted to give it a try.

FortCycle, along with its sister business, Fortitude Health and Training specializes in personal training, group exercise classes and corporate wellness, and can tailor make a program for your staff in our hip millyard chic downtown location.

The FortCycle health club and gym provides an amazing variety of workouts - spin classes, cycling classes, indoor cycling, personal training, group exercise classes and corporate wellness led by an upbeat, experienced staff in a clean and inviting gym. Schedule your FortCycle ride now!

Fitness center owners/trainers Lisa Maria-Booth and David Booth offer years of experience providing motivation, camaraderie, respect and FUN. FortCycle is a place where everyone feels welcome and accepted.

Come see FortCycle for yourself — call 603-493-4244 (Lisa) or 603-748-0665 (David) or email to schedule a visit or Sign Up Now.