Fastest marathon courses by median finish time
Which marathon has the fastest field? We ranked 19 big-city marathons by median finish time over their last three editions, adjusted for the mix of men and women. Boston (3:34) and Valencia (3:42) lead, New York (4:23) and Washington (4:53) sit at the back, and the gap between the fastest and slowest field is 1 hour 19 minutes.