Kenyan star Agnes Ngetich will debut in the Valencia Marathon on Dec. 6. Ngetich has won the 10K and half marathon in Valencia multiple times. She joins a strong field, including world-record holder Yomif Kejelcha and marathon record holder Fotyen Tesfay.

Ngetich chose Valencia for her marathon debut, familiar with the course. She set the 10K world record in Valencia in 2024. Ngetich has dominated road races, winning seven of eight races this year. She could challenge the fastest women’s marathon debut record. Read more culture coverage.

The men’s field includes reigning Boston champion John Korir and Alexander Mutiso. Joyciline Jepkosgei, the Valencia course record holder, returns to defend her title. North American record holder Emily Sisson also participates. Related: 7-Year-Old Sets Half-Marathon Age Record for Second Year.

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