30 Minute HIIT Sprint Workout

1) 800 meter slow jog for warmup

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2) 10×20 yard sprints (15 seconds rest)

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3) 10×40 yard sprints (30 seconds rest)

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4) 6×70 yard sprints (40 seconds rest)

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5) 4×100 yard sprints (60 seconds rest)

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6) 800 meter slow jog as cool down