Fri., Aug. 9, 2019 Alex Borsuk and Kaytlyn Gerbin are the first all-women team to complete the Infinity Loop at Mount Rainier, which is running the Wonderland Trail and summiting the mountain twice.

Approaching Mowich Lake campground last month in pursuit of a record time on the grueling Infinity Loop, mountain guides Kiira Antenucci and Abby Westling, both 25, needed to take a break.

In late July, Ras Vaughan of Whidbey Island and Gavin Woody of Bellevue completed the Infinity Loop in 99 hours, 7 minutes. The 120-mile trip includes the Wonderland Trail and two trips to the ...