TESERO, Italy (AP) — Jessie Diggins crossed the line Sunday as she has done so often over 15 years on the world stage — with the tank entirely empty. Collapsed on the snow with her chest heaving, Diggins ended a 50-kilometer race in fifth place — just a few seconds shy of one more medal.

Equipment testers will sometimes ski dozens of miles a day to dial in the right combination of ski, wax and grind work.

A surprise participant in Wednesday’s action at the Milan Cortina Olympics had four legs and zero concern for race times.

Johannes Hoesflot Klaebo is officially 6-for-6: He's won gold in all six of his cross-country events at the Milan Cortina Olympics. Norway's 29-year-old Olympic legend entered rare air with one more signature kick on Saturday.

The world was introduced to the furriest Olympian ever at the 2026 Winter Games.

It is the newest, some would contend toughest, Winter Olympic sport but its origins actually date back longer than any other.

In this image taken from video provided by Olympic Broadcasting Services, OBS, a dog runs onto the track near the finish during the heats of the cross-country skiing women's team sprint free at the 2026 Winter Olympics, in Tesero, Italy, Wednesday, Feb. 18, 2026. (Olympic Broadcasting Services via AP)

Johannes Hoesflot Klaebo is officially 6 for 6: He's won gold in all six of his cross-country events at the Milan Cortina Olympics. Norway's 29-year-old Olympic legend entered rare air with one more signature kick on Saturday.