Insanity Fitness: Three (£19) or Five (£29) Classes

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The Deal

Insanity, the new high-intensity workout craze, lets gym-goers go mad for fitness. Led by an officially certified trainer, participants will push their body to the limit during a 30-minute interval training session, performing a blend of cardio, strength, and explosive plyometric drills, with 30 seconds of rest between each rep. The extreme 50-minute classes are for those who want to take their fitness to the next level. The exercise aims to improve core strength as well as stamina, and is suitable for both men and women.

Class timetable and location:

30-minute classes- Brixton: Tues 6:30 – 7pm, Sat: 9:30 – 10am

50-minute classes - Clapham: Thursday: 7.30 - 8:30pm


Choose from the following options:

  • £19 for three 30-minute Insanity classes - Brixton

  • £29 for five 30-minute Insanity classes - Brixton

  • £29 for three 50-minute Insanity classes - Clapham


The Merchant

Led by certified insanity trainer Marta Kargbo, Insane Intense Insanity teaches the strenuous, non-stop workout to Londoners from studios Studio B on Brixton Hill or Platanos College in Clapham. Marta is a personal trainer and BioSignature practitioner who aims to get adrenaline pumping during her weekly sessions.

In a Nutshell

A high-intensity blend of cardio, strength and plyometric drills put customers through their paces at Brixton and Clapham venues

The Fine Print

Validity: Expires 90 days after purchase.
Purchase: Limit 1 per person. May buy 5 additional as gifts.
Booking: Required via: info@martakargbo.com. 24-hour cancellation policy.
Restrictions: Valid at Brixton Tue 6.30pm-7.30pm; Sat 9.30am-10.30am. Valid at Clapham Thu 7.30pm-8.30pm. Must be 18 or older. Classes must be taken consecutively. Valid on option purchased only.