Between the World Championships, Alberto Salazar's anti-doping ban, a 1:59:40 marathon, and a women's marathon world record, it has been a wild two-week span in the running world.

Here are the major stories that have unfolded since Sep. 29:

Sep. 29: 

Thirty-seven-year-old Kenenisa Bekele nearly eclipses Eliud Kipchoge's 2:01:39 world record with his 2:01:41 at the Berlin Marathon. 

Sep. 30: 

Nike Oregon Project head coach Alberto Salazar is banned four years for anti-doping violations. His Doha credential is revoked the next day.

Oct. 1: 

Nike Oregon Project’s Donavan Brazier becomes the first American to win 800m world title in a 1:42.34 American record. Brazier broke a mark that had stood for 34 years.

Oct. 3: 

Orlando Ortega, who finished fifth in World Championship 110m hurdles final, receives a bronze medal.

Oct. 5: 

Nike Oregon Project’s Sifan Hassan completes the first-ever World Championship 10,000m-1500m double with 3:51.95 championship record.

Oct. 5: 

The U.S. men break the American record and win their first 4x100m gold since 2007.

Oct. 10: 

Nike CEO Mark Parker sends a memo to employees announcing Nike Oregon Project is shutting down.

Oct. 12: 

Eliud Kipchoge runs 1:59:40 marathon at INEOS 1:59 Challenge in Vienna, Austria, to become the first person to break two hours.

Oct. 13: 

Salazar-coached athletes Galen Rupp and Jordan Hasay do not finish the Chicago Marathon.

Oct. 13: 

Brigid Kosgei smashes Paula Radcliffe’s 2:15:25 world record from 2003 by 81 seconds with her 2:14:04 victory at the Chicago Marathon. No woman besides Radcliffe had run faster than 2:17:01 before Kosgei.

2:14:04 marathon WORLD RECORD by Brigid Kosgei in Chicago!pic.twitter.com/Z1H5U4p97I

— FloTrack (@FloTrack) October 13, 2019