The HOKA Kodiak Ultra Marathons by UTMB finished at Big Bear Lake, California, with Cody Poskin winning the men's 100 miles in 16:46:21, the third-fastest time on the course. Alex Proctor was second in 17:23:05 and Max Jolliffe third in 18:15:45. Of 428 starters, 279 finished.

In the women's 100 miles, Canada's Nichole Abma won in 20:43:40, the fourth-fastest women's time on the course. Her compatriot Madeline Wighardt was second in 22:05:50 and Charlotte Saunders third in 22:39:31. In the 50K, Cole Campbell set a course record of 3:20:42 in the men's race and Anna Gibson ran a women's course record of 3:59:13.

The strongest performances of the weekend came at the Yeti 100 Endurance Run in Virginia, where both course records fell. Joshua Lecrone became the first man under 13 hours, winning in 12:52:32, which was 41 minutes faster than the previous record. Janessa Taylor won the women's race in 14:59:21, the first woman to run the course in under 15 hours. William Weidman was second among the men in 13:49:49, and Steph Hill took third among the women in 16:50:35.

At the Oil Creek 100 in Pennsylvania, Steven Larick won in 19:58:00, nearly two hours clear of Clinton Hepler (21:53:11), with Dan McDaniel third in 23:17:06. Danica Williams won the women's race in 25:13:13, tenth overall, ahead of Melissa Goodman (26:47:08) and Margueritte Ngami (27:57:24).

Elsewhere, the Canal Corridor Endurance Run in Ohio went to Austin Lo in 15:17:11 and Cheridan Christnacht in 23:10:45. The Moab 240 in Utah was cancelled. Attention now turns to the Javelina Jundred on 31 October, which offers Western States golden tickets.