Scores of pros have used this famous road–and this long tempo workout–to elevate their game.

The Whistle shrills a few times and Coach Andrew Kastor shouts, “Line’em up!” The Mammoth Track Club–including American marathon record holder and Greek 10,000-meter Olympian Alexi Pappas–finishes their warm-up. It’s Friday, which means the workout is a long tempo run–and that means they’re on the legendary “Green Church Road. “

Read the full story in the September issue of Runner’s World or online here.

Photos by Miles Weaver