{"source":"Wikipedia, Marathon world record progression (men), read 2026-10-30; IAAF and ARRS marks, disputed marks left out; record on a date = fastest mark up to it","marks":51,"decades":[{"on":"1910-01-01","record":"2:40:34.2","paceMinKm":"3:48.3"},{"on":"1920-01-01","record":"2:36:06.6","paceMinKm":"3:42.0","fasterSec":267.6,"fasterPct":2.78},{"on":"1930-01-01","record":"2:29:01.8","paceMinKm":"3:31.9","fasterSec":424.8,"fasterPct":4.54},{"on":"1940-01-01","record":"2:26:14","paceMinKm":"3:27.9","fasterSec":167.8,"fasterPct":1.88},{"on":"1950-01-01","record":"2:26:14","paceMinKm":"3:27.9","fasterSec":0.0,"fasterPct":0.0},{"on":"1960-01-01","record":"2:15:17","paceMinKm":"3:12.4","fasterSec":657.0,"fasterPct":7.49},{"on":"1970-01-01","record":"2:09:36.4","paceMinKm":"3:04.3","fasterSec":340.6,"fasterPct":4.2},{"on":"1980-01-01","record":"2:09:05.6","paceMinKm":"3:03.6","fasterSec":30.8,"fasterPct":0.4},{"on":"1990-01-01","record":"2:06:50","paceMinKm":"3:00.4","fasterSec":135.6,"fasterPct":1.75},{"on":"2000-01-01","record":"2:05:42","paceMinKm":"2:58.7","fasterSec":68.0,"fasterPct":0.89},{"on":"2010-01-01","record":"2:03:59","paceMinKm":"2:56.3","fasterSec":103.0,"fasterPct":1.37},{"on":"2020-01-01","record":"2:01:39","paceMinKm":"2:53.0","fasterSec":140.0,"fasterPct":1.88},{"on":"2026-10-30","record":"1:59:30","paceMinKm":"2:49.9","fasterSec":129.0,"fasterPct":1.77}],"total":{"from":"2:55:18.4","to":"1:59:30","fasterSec":3348.4,"fasterPct":31.83},"longestWait":{"days":6295,"from":["1935-03-21","2:26:14"],"to":["1952-06-14","2:20:42.2"]},"since2000":{"newRecords":11,"fasterSec":372.0}}