What is BIG HIIT & Studio HIIT?

It's interval training, but…BIGGER! This full body large group circuit class will have you feeling stronger, more confident, energized and happy!

HIIT stands for high intensity interval training. It's all about challenging yourself for short intervals, with recovery periods in between. Join our Big HIIT workouts and get a full body boot camp-style circuit class that will have you feeling stronger and energized for the week!  



Athletic Centre (55 Harbord St.)  - Field House 1, 2, 3 & Periphery

Goldring Centre for High Performance Sport (100 Devonshire Pl.) - Fitness Studio

Current Programs Offered:

*Class sign-up required*

This program requires registration to participate, please sign up for a time slot in advance to reserve your spot in the drop down options below. 

With the Big HIIT Pass you have unlimited access to all Big HIIT scheduled classes from Monday to Saturday! 

Want to try out our Big HIIT class? Come out to our open HIIT workout every Friday afternoon! 

Want to try out our Big HIIT class in a different setting? Try out our open Studio HIIT workout - same BIG energy!

  • Class Capacity: 20 participants
  • Spring/Summer Schedule: Mondays & Thursdays - 5:00 to 5:45 p.m. at GC Fitness Studio 
  • Pre-register for your spot


Schedule & Important Information:

Spring/summer schedule 2023 - Starting may 8 to august 27, 2023

Monday Tuesday Wednesday Thursday Friday

5:00-5:45 p.m.

Studio HIIT (No pass required)

(GC Fitness Studio)


5:00-5:45 p.m.

Studio HIIT (No pass required)

(GC Fitness Studio)


Upcoming Schedule Adjustments:

Upcoming adjustments to this group fitness schedule will be listed below: 

  • View summer building closures
  • Mon. Jul. 3 - Studio HIIT at 5-5:45 p.m. - CANCELLED due to holiday/building closure
  • Mon. Aug. 7 - Studio HIIT at 5-5:45 p.m. - CANCELLED due to holiday/building closure

Equipment & What to Wear

Participants are asked to wear comfortable and appropriate attire and footwear that's suitable for fitness and gym activities. All equipment will be provided for the workout. 

Eligibility & Pricing:


Students: U of T students paying incidental fees for the current term can access this program for an additional fee. 

Members: Anyone who has a current Sport & Rec membership can access this programming for an additional fee.

Eligibility Status Fall 2023
U of T Student Coming Soon
Non-U of T Student (Staff/Faculty, Alumni, Community, Seniors, Student-Plus, U of T Affiliates, Post Doc, Co-resident) Coming Soon

*Total fee adjusted at a daily pro-rated fee. 

For all cancellation requests, please email with a reason for the cancellation. 

Spring/Summer 2023 Group Fitness Schedule:

Summer group fitness schedule



Email us at for additional information.