6 dogs is the minimum number of dogs that you have to finish with in the Iditarod.
what is the maximum number of dogs in the iditarod?
The maximum number of dogs you can run in the Iditarod race is 16 dogs
At the start of the Iditarod you may have a maximum of 16 dogs and a minimum of 12 dogs; minimum of 6 dogs are required to continue in the race and are mandatory as you cross the finish line. (iditarod.com)
max of 16 per person
You start with 12 dogs and the most is 16 dogs.
The least amount of dogs you can use in the Iditarod race is about 12 and the most is up to 46 XD