Defending champion leaves Iditarod race over health concerns

FILE - Defending champion Brent Sass, wearing bib No. 14, waves to the crowd during the Iditarod Trail Sled Dog Race’s ceremonial start in downtown Anchorage, Alaska, on Saturday, March 4, 2023. Sass withdrew from this year’s race, Saturday, March 11, 2023, citing concerns for his health. (AP Photo/Mark Thiessen, File)

ANCHORAGE, Alaska (AP) — Brent Sass, the defending Iditarod Trail Sled Dog Race champion, withdrew from this year’s race on Saturday, citing concerns for his health.