8 Boston Marathon Training Tips From Olympian Shalane Flanagan

You've poured your heart and soul into qualifying for the Boston marathon. Now that you know you're joining thousands of other runners, there's more hard work to do.

Before you step up to the start line, you need to train your body to run hard and survive the grueling hills at the Boston marathon. To help you cross the finish line like a pro, Shalane Flanagan, American long-distance runner and Olympic bronze medalist, shares a few training tips.

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