Three of the world’s best distance runners will attempt to run a sub-2:00 marathon on Saturday. Here’s what you need to know about the Nike-sponsored event.

WHAT: Olympic marathon champ Eliud Kipchoge, two-time Boston winner Lelisa Desisa, and half marathon world record-holder Zersenay Tadese will try to break 2:00 in the marathon. The current world record is 2:02:57. Breaking 2:00 will require bettering that mark by 2.5%, a huge performance jump at the world-class level.

WHEN: Saturday, May 6, 5:45 a.m. Central European Summer Time. In the United States, the start time is 11:45 p.m. Eastern/8:45 p.m. Pacific on Friday.

WHERE: The Formula One race track in Monza, Italy. The runners will do roughly 17.5 laps of the 2.4-kilometer circuit.

WATCH: The attempt will be livestreamed at runnersworld.com/live, beginning 15 minutes before the race starts. Watch it here. The coverage will include commentary from marathon world record-holder Paula Radcliffe and veteran broadcaster Craig Masback, a former elite miler and former CEO of USA Track & Field who now works for Nike.

MORE INFO: Our sub-2 marathon page has everything you need to know about Saturday’s attempt and the 2:00 marathon in general. Some highlights:

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Scott Douglas Scott is a veteran running, fitness, and health journalist who has held senior editorial positions at Runner’s World and Running Times.

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