Sled dog racing

FILE - In this March 18, 2020, file photo, a crowd standing behind ExxonMobile signage watches as Thomas Waerner, of Norway, arrives in Nome, Alaska to win the Iditarod Trail Sled Dog Race. The world's most famous sled dog race has lost another major sponsor as the Iditarod prepares for a scaled-back version of this year's race because of the pandemic, officials said Thursday, Jan. 21, 2021. ExxonMobil confirmed to The Associated Press that the oil giant will drop its sponsorship of the race. (Marc Lester/Anchorage Daily News via AP, File)

FILE - In this March 18, 2020, file photo, Thomas Waerner, of Norway, arrives in Nome, Alaska, to win the Iditarod Trail Sled Dog Race. The 2021 Iditarod Trail Sled Dog Race will be about 140 miles shorter than normal as a result of complications stemming from the coronavirus pandemic, race officials announced Friday, Dec. 18, 2020. The teams will no longer embark on a 1,000-mile (1,609-kilometer) journey to Nome but instead will take a roughly 860-mile (1,384-kilometer) loop that starts and ends in Willow. (Marc Lester/Anchorage Daily News via AP)

A nurse walks COVID-19 tests back to the tent at the free COVID-19 testing site on Monday, Nov. 23, 2020 in Glenwood Springs, Colo. (Chelsea Self/Glenwood Springs Post Independent via AP)

FILE - In this on March 11, 2012 file photo, Dallas Seavey pulls in to the checkpoint in Unalakleet, Alaska, during the Iditarod Trail Sled Dog Race. The world's most famous sled dog race will go forward in 2021, and officials are preparing for every potential contingency now for what the coronavirus and the world might look like in March when the Iditarod starts. It's not the mushers that worry Iditarod CEO Rob Urbach; they're used to social distancing along the 1,000 mile trail. The headaches start with what to do with hundreds of volunteers needed to run the race, some scattered in villages along the trail between Anchorage and Nome, to protect them and the village populations. (Marc Lester/Anchorage Daily News via AP, File)

Healthcare workers line up for free personal protective equipment in front of a mural by artist Romero Britto at Jackson Memorial Hospital, Tuesday, Sept. 22, 2020, in Miami. Hundreds of workers lined up for the PPE given out by the New York nonprofit Cut Red Tape 4 Heroes. (AP Photo/Wilfredo Lee)

FILE - In this March 18, 2020, file photo, Thomas Waerner, of Norway, celebrates in Nome, Alaska, his win in the Iditarod Trail Sled Dog Race. Waerner is still waiting to return to his home in Norway. Waerner and his 16 dogs have been stranded in Alaska by travel restrictions and flight cancellations caused by the coronavirus pandemic. (Marc Lester/Anchorage Daily News via AP, File)

FILE - In this March 20, 2019, file photo, Iditarod musher Nicolas Petit, of France, poses with two of his dogs in Anchorage, Alaska. Nearly a third of the 57 mushers in this year’s Iditarod Trail Sled Dog Race have quit the race before finishing, including Petit, who activated an alert button seeking rescue Thursday morning, March 19, 2020, because of weather conditions. (AP Photo/Mark Thiessen, File)

Linwood Fiedler mushes across Submarine Lake near Nikolai, Alaska, Tuesday, March 10, 2020, during the Iditarod Trail Sled Dog Race. (Loren Holmes

FILE - In this March 10, 2007 file photo Iditarod Trail Sled Dog Race front runner, four-time Iditarod champion Jeff King of Denali Park, Alaska, drives his dog team through the wind on the Yukon River near the Eagle Island, Alaska. When 57 mushers line up Sunday, March 8, 2020 for the official start of the Iditarod Trail Sled Dog Race, it will be the second-smallest field in the past two decades. (AP Photo/Al Grillo,File)