Dr. Heather Sturdivant and her father, retired dentist Dr. Jerry Yoneji, faced challenges when running marathons together.
It wasn't shin splints, or broken blisters, or anything like that.
The biggest challenge, Dr. Sturdivant said, was linking the states together, so that they could do as many back-to-back as possible.
"Once we did New Hampshire and Maine on Saturday and Sunday, and then the next weekend we completed Connecticut and Rhode Island," said Dr. Sturdivant, who practices dentistry in Littleton, Colorado.
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