Shalane Flanagan to run 6 marathons in 42 days

Three years after retirement, Flanagan will run Berlin, London, Chicago, Boston and one other marathon this fall

Berlin Marathon organizers prepare to host 35,000 runners at September race

After missing out on the race in 2020 due to COVID-19, runners will be welcomed back to Berlin this fall

A look at the tightly packed fall marathon schedule

If races can be held later this year, running fans will be treated to all six World Marathon Majors in as many weeks