top of page
PG One Clean_edited.jpg


Registration Opens:
Session 8 - April 13th   |   Session 9 - May 18th   |   Summer - April 13th

 Click above for walking age to Age 4:

Bouncing Babies

Early Explorers

Tiny Tikes

Mighty Minis

Power Kids


 Click above for Age 4+

Rising Stars

Stars Level 1, 2, 3, & 4

Ages 5 - 8

Ages 9 - 12

Ages 13 - Adult

Click above for Age 4 +:

Gym Gemz

Acro Flyers

Perfect Balance

NGA & USAG Competitions

Coach's recommendation required

 HeartCode BLS Skills Session

Heart Saver CPR/AED

Family and Friends CPR

Intro to Babysitting w/Family & Friends CPR

2 Day, 3 Day OR 5 Day


Friday's - 10:30am - 11:30am

Members: $5.00 cash/ $8 credit card

Non-Members: $10.00 cash/ $12 credit card

5 Passes: $40.00 cash or charge

See our calendar for specific DAYS

Friday - 5:00pm - 7:00pm

Members: $15.00 cash/$20 credit card

Non-Members: $20.00/$25 credit card


Saturday - 1:00pm - 2:30pm

Members: $10.00 cash/$15 credit card

Non-Members: $15.00/$20 credit card

5 Passes Member:  $45 cash/$60 credit card

5 Passes Non-Member: $55 cash/$70 credit card

O P E N  G Y M

Open Gym is time for children of all ages to come and explore all of the fun activities we have to offer. You are able to take full advantage of all of our equipment to include: 40' x 40' floor, trampoline, 2 tumble tracks, balance beams, uneven bars, 2 foam pits, and endless mats and props.!


Children under the age of 6 should have a parent accompany them during open gym. Children ages 6+ are free to use the facility without parent accompaniment. All Open Gyms are staffed by at least one of our staff members to help with set up of training aids, spotting and SAFETY!!!!


Monday - 2:00pm - 3:30pm

Cash Prices: $15 for 1, $20 for 2, $25 for 3, $30 for 4, $35 for 5

Credit Prices:  $20 for 1, $25 for 2, $30 for 3, $35 for 4, $40 for 5


You do NOT have to be a current customer of Phantom to enjoy our open gym!! You can simply download our LIABILITY WAIVER and bring it with you. We ask that you wear soft clothing (no buttons, snaps or zippers) and have fun.

See you at the next open gym!

Screenshot 2022-04-14 175502_edited.jpg


Phantom Gymnastics was founded in 2006 and we are celebrating 16 years in business! We offer gymnastics programs for all age groups and skill levels from beginner through advanced, as well as competitive teams.  Our goal is to provide a safe and caring environment where each child is encouraged to develop gymnastics skills, strength, social skills, self-esteem and confidence.  With unparalleled customer service, we strive to gain the respect and trust of our customers - students, and parents alike - by attention to safety, skill advancement, and meeting the individual needs and goals of each student.

Phantom Gymnastics also offers clinics, day camp and team camps, tumbling, birthday parties and open gym for pre-school as well as school-aged children.



Screenshot 2022-04-14 181435.jpg

Phantom Gymnastics is located at 142 State Route 111, Hampstead, NH. We are located in a 65,000 square foot facility with usage of 3 indoor fields, concessions, and viewing areas. Training space consists of 15,000+ square feet, with state-of-the-art equipment.

Screenshot 2022-04-14 181416.jpg



 Tammy is an education major with a minor in child psychology.   She has been coaching and teaching since 1990.  She has coached an endless number of teams to State Championship titles as well as Regional and National Championships.  She coached the National Beam Champion in 2014.  She is nationally certified through USA Gymnastics, earning the highest level of certification available.  She has trained athletes who have been selected for the TOPs National Team Program, which consist of athletes chosen to participate on the Junior Olympic Elite track.  She also participated at the National Team Training Center (formally the Karoyli ranch) in an exclusive intensive education program with national staff.  She has worked closely with the national beam coach to receive the most current state-of-the-art training techniques available.  Tammy has to date; 5 athletes competing on Division 1-college teams who have each received full or partial scholarships for their athletic accomplishments.  She also has several other college athletes competing on Division 2 & 3 teams who also received scholarship funds.  She has worked closely through the years with countless physical therapist, chiropractors and sports psychologist to gain knowledge on injury prevention and superior mental training methods.  She recently completed her EMT Certification.  Tammy has the highest of standards and is a dedicated, passionate, knowledgeable professional. 

Tammy Kozlowski

Owner & Head Coach


Aimee is co-owner of Phantom Gymnastics.  She was a Division 1 NCAA athlete who earned a full scholarship to James Madison University.   She was a successful Human Resources Director for a large Boston based corporation for over 20 years.  Aimee has participated in her community in coaching youth sports for over 15 years.  She understands the meaning of discipline, structure and hard work.   She thrives on teaching more than just gymnastics, but invaluable life skills that will last long after her students leave the sport.    She has attended countless clinics with Olympic coaches and utilized every opportunity to learn everything possible about the most current and successful training techniques.  She is U400 Certified through USA Gymnastics.  Aimee currently works with our Level 1 - Platinum teams.   

Owner & Team Coach

Aimee Kozlowski


Alli Lockard

Team Coach

Alli has been involved in coaching the Stars, Developmental and Xcel levels at Phantom since 2017. Prior to coaching at Phantom, she was a recreational and tumbling coach at the North Shore YMCA while she attended college in Beverly, MA earning a Bachelor of Science in Interior Architecture. She is the owner of A Lee Designs.  Alli was a competitive Junior Olympic athlete in Rhode Island from 1996-2009 and competed for her high school team at the national level. Alli was also a competitive cheerleader for East Celebrity Elite from 2014-2016 competing at the world level with their international all-girl team. She is an NGA Professional member and is safety certified.


Courtney Hathaway

Power Kids Director/CPR Instructor


Jessica was a competitive Junior Olympic athlete at Phantom Gymnastics.  She has been involved in coaching at the Stars, Recreational and Team levels at Phantom since 2013.  She earned several state and regional championship titles during her career as a gymnast.  She attended Keene State College where she earned a Bachelors degree in Health Science with a minor in Psychology.  She is a valuable member of our coaching staff as well as the Gym Manager. 

Jessica Morrissette

Gym Manager & Team Coach


Kaleah Cardinal

Stars Director & Recreational Coach

 Kaleah has obtained her Early Childhood Education major.  She was a former Stars competitive gymnast.  She has been working with children over the past 6+ years.  Her passion for children and the sport of gymnastics makes her a great asset to the Phantom Phamily.  Kaleah is one of our Stars directors and also works with our pre-school and recreational students.  She is also one of our birthday party hosts!!

Krystiana Stefanile

Star Director, Team &

Recreational Coach

Krystiana was a competitive gymnast for many years.  She is involved in the recreational, Stars and Team programs.  She is also our summer camp director here at Phantom!  Krystiana is currently in college to obtain her bachelors degree in Sports Management.

Rachel Smith

Recreational  & Stars Coach

Rachel was a competitive gymnast for over 10 years then changed her focus to cheer leading.  She has been working with young children for the past 3 years.  Rachel is involved in our recreational and Stars programs.  She is also one of our summer camp counselors and birthday hosts.  She is currently a junior at Windham High School and is working toward receiving her LNA certification.

Courtney’s passion for health and wellness enable her to make fitness fun for all ages. She grew up cheering and working as a tumbling instructor. With a background in Athletic Training and Exercise Science, she has over 10 years of experience working in healthcare fitness, personal training and leading group exercise classes. She enjoys crafts, and movement play making her preschool classes fun and engaging for her students. Courtney also leads our PowerKids Preschool program. She is CPR and First Aid certified as well as a CPR Instructor.

Screenshot 2022-04-14 182707.jpg


(603) 329-9315  |

142 State Route 111, Hampstead, NH 03841


Thanks for submitting!

bottom of page