Florence Caron, a rising star from Quebec, is set to make her marathon debut. She has a Canadian debut record of 2:28:53. Caron's husband will pace her during the race. She is uncertain if she will target the record.

Canadian men, including John Gay, Andrew Davies, and Tristan Woodfine, aim for times around 2:11. Woodfine, who recently became a father, remains focused on winning. International runners Leonard Langat and Betty Chepkorir also seek to break records. Read more culture coverage.

Defending champion Leonard Langat of Kenya aims for a time in the 2:05 range. Chepkorir plans to break the course record of 2:20:44 set by Waganesh Mekasha. Ayinadis Teshome, with a PB of 2:20:51, also targets a historic performance. Related: Toronto Waterfront Half Marathon Pace Calculator Unveiled.

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