Sifan Hassan and Fiona O’Keeffe withdrew from the NYC Marathon. Hassan cited illness affecting training. O’Keeffe had surgery on a hamstring tear. Both missed spring marathons.

Hassan, the 2024 Olympic champion, last raced in New York in November. She withdrew from London due to an Achilles injury. O’Keeffe had surgery in Colorado. Read more everyday miles coverage.

O’Keeffe’s marathon career has been short and injury-prone. She won the 2024 Olympic Trials but dropped out early in Paris. She finished fourth in New York. Related: Kenenisa Bekele Withdraws from Berlin Marathon Due to Injury.

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