John Naslund, who has run in all 36 Grandma's Marathons and will do his 37th on Saturday, talks about the race. | More Info

Longtime marathoner says Grandma's is his favorite

John Naslund, who has run in all 36 Grandma's Marathons and will do his 37th on Saturday, talks about the race.

Longtime marathoner says Grandma's is his favorite

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