Florence Caron, the reigning Canadian 10K champion, will make her marathon debut at the upcoming national championships. The event, part of the TCS Toronto Waterfront Marathon, is scheduled for Oct. 18. Caron, from La Malbaie, Que., has had a breakout year on the road.

Caron dominated the Canadian 10K Championships in May, finishing in 32:31. She also secured a silver medal at the Canadian Half Marathon Championships in August. Now, she aims to measure herself against top Canadian marathoners. Caron will have support from her husband and parents along the course. Read more racing coverage.

Caron will face strong competition from defending champion Rachel Hannah and marathon veteran Dayna Pidhoresky. Pidhoresky, who won the 2019 Canadian Olympic trials, feels stronger than in years. Hannah, the defending champion, hopes her familiarity with the course will help her achieve a personal best. Related: Yuasa and Niiya Win Hokkaido Marathon, Six Qualify for Olympic Trials.

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