Chris Hinshaw of the CrossFit Aerobic Capacity Specialty Course explains why athletes should develop gears to modify speed.

“Our job is to create a range of speeds based upon time domains, because we don’t know what time we’re actually going to have to perform for—you have no idea. We’re not training for a specific event," he says.

For more information and upcoming dates: CrossFit Specialty Course: https://training.crossfit.com/aerobic-capacity

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