The "official Iditarod website" indicates that Martin has declared his 24 in Manley. The rules state:"2017 Race" Rule 7of 16. Twenty Four-Hour Stop:
A musher must take one mandatory twenty-four (24) hour stop during the race. The twenty-four (24) hour stop may be taken at the musher’s option at a time most beneficial to the dogs. The starting differential will be adjusted during each team’s twenty-four (24) hour stop. It is the musher’s responsibility to remain for the entire twenty-four (24) hour period plus starting differential. The ITC will give each musher the required time information prior to leaving the starting line.