Canadian sprinters Wyatt Lee and Elizabeth Tannis narrowly missed finals in the 100m, despite strong preliminary rounds. Lee clocked 10.29, and Tannis 11.54, but both fell short in the semifinals.

Middle-distance runners Mary MacLean and Chloe Symon advanced to the 800m semi-finals. MacLean finished in 2:06.47, and Symon in 2:07.06, both securing spots in the next round. Read more racing coverage.

Kenya’s Nancy Jepngetich, a favorite in the women’s 800m, was disqualified despite posting the fastest qualifying time of 2:01. The disqualification was upheld after an appeal. Related: Wendy Alexis sets new Canadian W70 100m record.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.