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Burn, Baby, Burn

High intensity interval training (HIIT) is trending. The workout craze blends cardio-strength training movements with short periods of rest for a high-cal burn that maxes reward in minimal time. The after-burn kicks the body’s repair cycle into overdrive, so you keep burning for up to 24 hours post-workout, meaning a healthier heart, increased metabolism and fat loss—oh, and a bangin’ bod that’s too legit to quit.

 

1. Firefighter Fitness
Feel the burn in this high-intensity boot camp where bona fide firemen (who double as highly trained certified personal trainers) use actual firefighter tools and techniques to torch yo’ cals. Millennium Gate, Midtown, $149 per month

2. HIIT & HIIT2
Get insta-fit with either of Cre8fit’s HIITs. Choose between constantly changing cardio sets (burpees, jacks), or mix it up with intervals that blend the RealRyder cycle with strength training, weights and mat work. Cre8fit, Vinings, first two classes free, $20 drop-in

3. HIIT Boot Camp
Keep it fresh in the great outdoors with cardio-strength segments featuring combat ropes, agility ladders, med balls, weighted sleds, parachutes, hurdles and more from fitness guru Nicholas Jacobs. Sweat Atlanta, Lillian Webb Park, Norcross, first class free, $25 per session

4. Fat Buster Boot Camp and HIIT
Strong is the new sexy, obvi, so blast the fat via body-weight, plate-weight and resistance-band drill combos to keep you challenged and psyched. Just Fitness 4U, Marietta, $15 drop-in

5. CrossFit WOD
Better your bod by getting your workout of the day (WOD) on. And with constantly varied high-intensity scalable movements, the workouts are good for all skill and fitness levels. Fitness Battalion CrossFit, Midtown, $20 per class