World Marathon Majors is a free calendar you can subscribe to on Nundina, with 14 dates listed. Data from Abbott World Marathon Majors. Subscribe to it on Nundina and every date lands in your own calendar, updated automatically.
The big annual marathons worth planning around: Tokyo, Boston, London, Sydney, Berlin, Chicago and New York City. Approximate dates computed from the weekend each race traditionally falls on; organizers confirm exact dates yearly.
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