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Welcome to Week 3 of your challenge!

Mirinda Carfrae  SELF Spring 2019 Fitness Challenge

Nadya Wasylko

If the newness has started to wear off at this point, we totally understand.

New routines can feel exciting one day, and like a total drag the next.

So how do you muster that extra motivation when you need it?

Day 15 Workout  SELF Spring 2019 Fitness Challenge

Morgan Johnson/Alexandra Genova

Wear your favorite workout clothes.

That means you’ll be done with the whole workout in under 20 minutes.

(But we’re willing to bet that once you get started, you’ll keep it going.)

pop squat  SELF May 2019 Challenge

Alexandra Genova

Here’s a bodyweight warm-upfrom a previous challenge that you might use to get started today.

The Workout

Heres a detailed breakdown of the moves youll do.

Do each move below for 45 seconds, resting 15 seconds between moves.

mountain climbers  fast  SELF May 2019 Challenge

Alexandra Genova

At the end of each circuit, rest for 60 seconds.

Do the entire circuit 2-5 times, then try the EMOM (Every Minute on the Minute).

Do the entire circuit 2-5 times, then try the EMOM to finish.

popup crunch  SELF May 2019 Challenge

Alexandra Genova

If you have time left over, rest.

At the top of the next minute, start again.

Repeat for 4 minutes.

side plank crunch  SELF May 2019 Challenge

Alexandra Genova

x 16 reps

Top image: Photographer:Nadya Wasylko.

Stylist:Yuiko Ikebata.

Hair:Jerome Cultera.

Makeup:Seong Hee.

Prop Stylist:Alex Brannian.

AthleteMirinda Carfraewears swim cap, goggles, and trisuit all by TYR, similar styles attyr.com.

Workout images and gifs: Photographer:Alexandra Genova.

Stylist:Yuiko Ikebata.

Hair:Jerome Cultera.

Makeup:Deanna Melluso.

All products featured on SELF are independently selected by our editors.

If you buy something through our retail links, we may earn an affiliate commission.