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Welcome to KRIPTOKNIGHT-X

Visit our new location!

Bringing specialized fitness training to Williamsburg Brooklyn. Offering classes and personal training.  Including Strength Training, HIIT, Step Classes, Pilates. Specializing in body transformations, Keith Collier and his team have over 30 years' experience in medical and fitness world.  With a nurse practitioner on staff, and certified master trainer we have all your fitness needs in one convenient location.

Instructors

Schedule

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06/21/2026 - 06/27/2026
21 Sun 22 Mon 23 Tue 24 Wed 25 Thu 26 Fri 27 Sat
21 Sun Closed
22 Mon Closed
23 Tue Closed
24 Wed Closed
25 Thu Closed
26 Fri Closed
27 Sat Closed
12:00am
1:00am
2:00am
3:00am
4:00am
5:00am
6:00am
7:00am
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm

open gym

6:30am - 5pm
6:30am - 5:00pm

open gym

open gym
Sunday, June 21 · 6:30am - 5:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

Melissa

8 - 9am
8:00am - 9:00am

Melissa

KKeith
Melissa
Sunday, June 21 · 8:00am - 9:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Neer

9 - 10am
9:00am - 10:00am

Neer

KKeith
Neer
Sunday, June 21 · 9:00am - 10:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

alice & libby

10 - 11am
10:00am - 11:00am

alice & libby

KKeith
alice & libby
Sunday, June 21 · 10:00am - 11:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

BBL Allegations Butt n Gut Class

11am - 12pm
11:00am - 12:00pm

BBL Allegations Butt n Gut Class

KKeith PAPhilip Alerte Keith, Philip
BBL Allegations Butt n Gut Class
Sunday, June 21 · 11:00am - 12:00pm
Instructors:
Keith Philip Alerte

This day is marked as closed. Reopen the day to edit or restore sessions.

open gym

5:30am - 9pm
5:30am - 9:00pm

open gym

open gym
Monday, June 22 · 5:30am - 9:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

WAKE UP WITH - 'D'

6 - 7am 0 / 10
6:00am - 7:00am

WAKE UP WITH - 'D'

Bookings: 0/10
DDDeena DeCeglie Book
WAKE UP WITH - 'D'
Monday, June 22 · 6:00am - 7:00am
Instructors:
Deena DeCeglie

Come get your sweat on with Deena!

Total Body Burn!

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Tracy

8 - 9am
8:00am - 9:00am

Tracy

DDDeena DeCeglie
Tracy
Monday, June 22 · 8:00am - 9:00am
Instructors:
Deena DeCeglie

This day is marked as closed. Reopen the day to edit or restore sessions.

John PT

8:30 - 9:30am
8:30am - 9:30am

John PT

KKeith
John PT
Monday, June 22 · 8:30am - 9:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Body Sculpting Class / Group

9 - 10am 0 / 10
9:00am - 10:00am

Body Sculpting Class / Group

Bookings: 0/10
Book
Body Sculpting Class / Group
Monday, June 22 · 9:00am - 10:00am

Come get your shape right with Deena!

Total Body Sculpting!

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Emily & Harrison

10 - 11am
10:00am - 11:00am

Emily & Harrison

KKeith
Emily & Harrison
Monday, June 22 · 10:00am - 11:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

ruchi

11 - 11:45am
11:00am - 11:45am

ruchi

KKeith
ruchi
Monday, June 22 · 11:00am - 11:45am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Craig pt

12 - 1pm
12:00pm - 1:00pm

Craig pt

KKeith
Craig pt
Monday, June 22 · 12:00pm - 1:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

evan & chris

5 - 6pm
5:00pm - 6:00pm

evan & chris

KKeith
evan & chris
Monday, June 22 · 5:00pm - 6:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

THE " X " TREME

5:45 - 6:45pm
5:45pm - 6:45pm

THE " X " TREME

KKeith aace Keith, ace
THE " X " TREME
Monday, June 22 · 5:45pm - 6:45pm
Instructors:
Keith ace

This day is marked as closed. Reopen the day to edit or restore sessions.

jackie

6 - 7pm
6:00pm - 7:00pm

jackie

KKeith
jackie
Monday, June 22 · 6:00pm - 7:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

open gym

5:30am - 9pm
5:30am - 9:00pm

open gym

open gym
Tuesday, June 23 · 5:30am - 9:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

Melissa

6 - 7am
6:00am - 7:00am

Melissa

KKeith
Melissa
Tuesday, June 23 · 6:00am - 7:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

monica

6 - 7am
6:00am - 7:00am

monica

DDDeena DeCeglie KKeith Deena, Keith
monica
Tuesday, June 23 · 6:00am - 7:00am
Instructors:
Deena DeCeglie Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Amanda & Sean

6:30 - 7:30am
6:30am - 7:30am

Amanda & Sean

KKeith
Amanda & Sean
Tuesday, June 23 · 6:30am - 7:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

drew

7 - 8am
7:00am - 8:00am

drew

KKeith
drew
Tuesday, June 23 · 7:00am - 8:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

keri

7 - 8am
7:00am - 8:00am

keri

DDDeena DeCeglie
keri
Tuesday, June 23 · 7:00am - 8:00am
Instructors:
Deena DeCeglie

This day is marked as closed. Reopen the day to edit or restore sessions.

shay

4 - 5pm
4:00pm - 5:00pm

shay

KKeith
shay
Tuesday, June 23 · 4:00pm - 5:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

eli

5 - 6pm
5:00pm - 6:00pm

eli

KKeith
eli
Tuesday, June 23 · 5:00pm - 6:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

simona

6 - 7pm
6:00pm - 7:00pm

simona

KKeith
simona
Tuesday, June 23 · 6:00pm - 7:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

kristen

7 - 8pm
7:00pm - 8:00pm

kristen

KKeith
kristen
Tuesday, June 23 · 7:00pm - 8:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

open gym

5:30am - 9pm
5:30am - 9:00pm

open gym

open gym
Wednesday, June 24 · 5:30am - 9:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

heather

7 - 8am
7:00am - 8:00am

heather

DDDeena DeCeglie
heather
Wednesday, June 24 · 7:00am - 8:00am
Instructors:
Deena DeCeglie

This day is marked as closed. Reopen the day to edit or restore sessions.

Fahima PT Copy

7:30 - 8:30am
7:30am - 8:30am

Fahima PT Copy

DDDeena DeCeglie KKeith Deena, Keith
Fahima PT Copy
Wednesday, June 24 · 7:30am - 8:30am
Instructors:
Deena DeCeglie Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

John PT

8:30 - 9:30am
8:30am - 9:30am

John PT

KKeith
John PT
Wednesday, June 24 · 8:30am - 9:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Body Sculpting Class / Group

9 - 10am 0 / 10
9:00am - 10:00am

Body Sculpting Class / Group

Bookings: 0/10
DDDeena DeCeglie Book
Body Sculpting Class / Group
Wednesday, June 24 · 9:00am - 10:00am
Instructors:
Deena DeCeglie

Come get your shape right with Deena!

Total Body Sculpting!

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Emily & Harrison

10 - 11am
10:00am - 11:00am

Emily & Harrison

KKeith
Emily & Harrison
Wednesday, June 24 · 10:00am - 11:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

krishna

2 - 3pm
2:00pm - 3:00pm

krishna

KKeith
krishna
Wednesday, June 24 · 2:00pm - 3:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

THE "X" TREME

5:45 - 6:45pm 0 / 15
5:45pm - 6:45pm

THE "X" TREME

Bookings: 0/15
KKeith Book
THE "X" TREME
Wednesday, June 24 · 5:45pm - 6:45pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Step Zone

7 - 8pm
7:00pm - 8:00pm

Step Zone

KKeith
Step Zone
Wednesday, June 24 · 7:00pm - 8:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

open gym

5:30am - 9pm
5:30am - 9:00pm

open gym

open gym
Thursday, June 25 · 5:30am - 9:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

Melissa

6 - 7am
6:00am - 7:00am

Melissa

KKeith
Melissa
Thursday, June 25 · 6:00am - 7:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

amanda & sean

6:30 - 7:30am
6:30am - 7:30am

amanda & sean

KKeith
amanda & sean
Thursday, June 25 · 6:30am - 7:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

keri

7 - 8am
7:00am - 8:00am

keri

DDDeena DeCeglie KKeith Deena, Keith
keri
Thursday, June 25 · 7:00am - 8:00am
Instructors:
Deena DeCeglie Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

alice

7:30 - 8:30am
7:30am - 8:30am

alice

KKeith
alice
Thursday, June 25 · 7:30am - 8:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

drew

7:30 - 8:30am
7:30am - 8:30am

drew

KKeith
drew
Thursday, June 25 · 7:30am - 8:30am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

pelayo

8 - 9am
8:00am - 9:00am

pelayo

DDDeena DeCeglie
pelayo
Thursday, June 25 · 8:00am - 9:00am
Instructors:
Deena DeCeglie

This day is marked as closed. Reopen the day to edit or restore sessions.

Jay

8:15 - 9:15am
8:15am - 9:15am

Jay

KKeith
Jay
Thursday, June 25 · 8:15am - 9:15am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

eli

4 - 5pm
4:00pm - 5:00pm

eli

KKeith
eli
Thursday, June 25 · 4:00pm - 5:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Gregory

5 - 6pm
5:00pm - 6:00pm

Gregory

KKeith
Gregory
Thursday, June 25 · 5:00pm - 6:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

kristen

6:30 - 7:30pm
6:30pm - 7:30pm

kristen

KKeith
kristen
Thursday, June 25 · 6:30pm - 7:30pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

open gym

5:30am - 9pm
5:30am - 9:00pm

open gym

open gym
Friday, June 26 · 5:30am - 9:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

WAKE UP WITH - 'D' Copy

6 - 7am 0 / 10
6:00am - 7:00am

WAKE UP WITH - 'D' Copy

Bookings: 0/10
DDDeena DeCeglie Book
WAKE UP WITH - 'D' Copy
Friday, June 26 · 6:00am - 7:00am
Instructors:
Deena DeCeglie

Come get your sweat on with Deena!

Total Body Burn!

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

alice & libby

7:30 - 8:15am
7:30am - 8:15am

alice & libby

KKeith
alice & libby
Friday, June 26 · 7:30am - 8:15am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Tracy

8 - 9am
8:00am - 9:00am

Tracy

DDDeena DeCeglie
Tracy
Friday, June 26 · 8:00am - 9:00am
Instructors:
Deena DeCeglie

This day is marked as closed. Reopen the day to edit or restore sessions.

Body Sculpting Class / Group

9 - 10am 0 / 10
9:00am - 10:00am

Body Sculpting Class / Group

Bookings: 0/10
DDDeena DeCeglie Book
Body Sculpting Class / Group
Friday, June 26 · 9:00am - 10:00am
Instructors:
Deena DeCeglie

Come get your shape right with Deena!

Total Body Sculpting!

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Emily & Harrison

10 - 11am
10:00am - 11:00am

Emily & Harrison

KKeith
Emily & Harrison
Friday, June 26 · 10:00am - 11:00am
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Ruchi

11am - 12pm
11:00am - 12:00pm

Ruchi

KKeith
Ruchi
Friday, June 26 · 11:00am - 12:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Craig PT

1 - 2pm
1:00pm - 2:00pm

Craig PT

KKeith
Craig PT
Friday, June 26 · 1:00pm - 2:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Chris & Evan

5:45 - 6:45pm
5:45pm - 6:45pm

Chris & Evan

Chris & Evan
Friday, June 26 · 5:45pm - 6:45pm

This day is marked as closed. Reopen the day to edit or restore sessions.

THE " X " TREME

5:45 - 6:45pm 0 / 15
5:45pm - 6:45pm

THE " X " TREME

Bookings: 0/15
KKeith Book
THE " X " TREME
Friday, June 26 · 5:45pm - 6:45pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

open - gym

6:30am - 5pm
6:30am - 5:00pm

open - gym

open - gym
Saturday, June 27 · 6:30am - 5:00pm

This day is marked as closed. Reopen the day to edit or restore sessions.

SUMMER "TIME" PREP

10 - 11am
10:00am - 11:00am

SUMMER "TIME" PREP

aace
SUMMER "TIME" PREP
Saturday, June 27 · 10:00am - 11:00am
Instructors:
ace

This day is marked as closed. Reopen the day to edit or restore sessions.

gregory

11am - 12pm
11:00am - 12:00pm

gregory

KKeith
gregory
Saturday, June 27 · 11:00am - 12:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

Boxing Hiit

12 - 1pm 0 / 10
12:00pm - 1:00pm

Boxing Hiit

Bookings: 0/10
KKeith HHE'FE Keith, HE'FE Book
Boxing Hiit
Saturday, June 27 · 12:00pm - 1:00pm
Instructors:
Keith HE'FE

This day is marked as closed. Reopen the day to edit or restore sessions.

Book

Step Zone

1 - 2pm
1:00pm - 2:00pm

Step Zone

KKeith
Step Zone
Saturday, June 27 · 1:00pm - 2:00pm
Instructors:
Keith

This day is marked as closed. Reopen the day to edit or restore sessions.

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You are now on the waitlist. If a spot opens up we will notify you via Email.

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KRIPTOKNIGHT-X : CONSENT FORM

KRIPTOKNIGHT-X : CONSENT FORM

This consent waiver is stating that there is a risk with injury during exercising and KRIPTOKNIGHT-X exercise therapy & wellness center is not responsible. And that you fully understand, of legal age, & and that you exercise at your own risk.

Thaank you for joining and becoming a part of the Kriptoknight-X family.

90 DAY AGREEMENT

90 DAY AGREEMENT

I, hereby commit to a 90-day personal training program with KRIPTOKNIGHT-X ("the Trainer") beginning on.

  1. Commitment Period:

    • I agree to engage in a personal training program with the Trainer for a duration of 90 days, starting from the specified start date.

  2. Personal Training Sessions:

    • I understand that consistent attendance and active participation in these sessions are essential for achieving my fitness goals.

     

  3. Payment Terms:

    • I understand and agree to the financial commitment associated with the personal training services provided by the Trainer.
    • I agree to pay the total fee of for the 90-day training program, to be paid in installments of each, due on [Payment Due Dates].

  4. Late Payments:

    • I acknowledge that late payments may result in the suspension of personal training services.
    • I agree to make timely payments as outlined in this agreement to avoid any disruptions in my training program.

  5. Cancellation Policy:

    • I understand that cancellation of personal training sessions requires at least 2 hours' notice to the Trainer.
    • I acknowledge that failure to provide sufficient notice may result in the forfeiture of the session.

  6. Waiver of Liability:

    • I acknowledge that participation in personal training sessions carries inherent risks, including but not limited to injury or illness.
    • I voluntarily assume all risks associated with my participation in the personal training program and waive any claims against the Trainer and their affiliated entities for injuries or damages incurred during the 90-day commitment period.

By signing below, I affirm that I have read and understood the terms of this 90-Day Financial Commitment Waiver for Personal Training Services and agree to abide by them.

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