• Michael Suprenant, 45, of Chugiak, scratched for medical reasons in Rainy Pass with all 16 of his dogs still in harness, according to an Iditarod press release. Suprenant finished 49th last year.
• Zoya DeNure, who was nursing her 7-month-old daughter, Jona, until the race began, developed an infection called mastitis that spread to her left arm and required antibiotics, according to husband John Schandelmeier.
DeNure, 33, of Paxson, had 15 dogs still in her team when she scratched. She and Schandelmeier operate a rescue kennel for unwanted sled dogs. DeNure was 53rd as a rookie musher in 2008.
• Karin Hendrickson, 39, of Chugiak, scratched because of equipment problems and damage to her sled, according to the Iditarod. All 16 of the dogs that started the race with Hendrickson, who finished 40th in her rookie race last year, were still in her team.
• Kirk Barnum, 41, of Seeley Lake, Mont., was down to 12 dogs when he scratched at Rainy Pass. Barnum, 41, who finished 67th as a rookie two years ago, said his dogs were tired and scratched to protect them.
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