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Claire ThomasClaire Thomas
/Core Challenge

W3/D4 HIIT

5.0|20 min|405 comments
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Begin this workout on a treadmill, rower, bike or other piece of cardio equipment. You can also choose to run outside. If you are training from inside your home & don’t have a cardio machine, you can modify with jumping jacks... more

Community

K
Kristin • 22d ago
9 rounds!! Wooo
L
Lori • 1mo ago
Used my Rower and got 8 rounds in. Felt great, good cardio and burner! 🔥💜🙌🏻
C
Cecelia • 1mo ago
Adding this into my current plan as a killer warm up
A
Alisha • 1mo ago
This one is a slow killer. I was able to up my speed higher than I thought!
H
Hugo • 1mo ago
🔥🔥🔥

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