Emma Bates, an American marathoner, logged her labor on Strava, covering 0.26 miles in 20 hours and 37 minutes. She wore a heart rate monitor during the induced labor, which lasted until her son was born on her birthday.

Bates shared the activity on Instagram, noting her disappointment with the distance but highlighting her steady heart rate. She applied marathon training skills, such as focusing on one contraction at a time, to her labor. Read more culture coverage.

Bates announced her pregnancy in March and was due in August, but her son was born earlier. The pregnancy affected her sponsorship, but she signed with NeverSecond after UCAN ended their partnership. Related: Conner Mantz Set to Compete in 2026 New York City Marathon.

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