Cold front in mountain Olympic venues tough for athletes

Vanessa Voigt of Germany skis during the 4x6-kilometer mixed relay at the 2022 Winter Olympics, Saturday, Feb. 5, 2022, in Zhangjiakou, China. (AP Photo/Kirsty Wigglesworth)

Clare Egan takes target practice before the 4x6-kilometer mixed relay at the 2022 Winter Olympics, Saturday, Feb. 5, 2022, in Zhangjiakou, China. (AP Photo/Kirsty Wigglesworth)

Marte Olsbu Roeiseland of Norway skis during the women's 15-kilometer individual race at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. (AP Photo/Kirsty Wigglesworth)

Japan's Masae Tsuchiya competes during the women's 7.5km + 7.5km skiathlon cross-country skiing competition at the 2022 Winter Olympics, Saturday, Feb. 5, 2022, in Zhangjiakou, China. (AP Photo/Aaron Favila)