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Uploaded by livestrong on Jul 1, 2009
A celebrated American long-distance runner, Ryan Hall explains the proper technique for short interval training and the importance of these runs.
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ryan hall's cool...
naqiksah93 8 months ago
@Madphad 1:46 Hah. In fact that's not how it came off.
campbpar 1 year ago
Hah. The guy running with Ryan looks winded.
Madphad 1 year ago
I love short intervals.
bummercucumber 2 years ago
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ryan hall's cool...
naqiksah93 8 months ago
@Madphad 1:46 Hah. In fact that's not how it came off.
campbpar 1 year ago
Hah. The guy running with Ryan looks winded.
Madphad 1 year ago
I love short intervals.
bummercucumber 2 years ago