When Spencer McCullough decided to spend over a year cycling to every national park in the contiguous U.S., he didn’t have much experience. The 28-year-old had only gone bikepacking once before — a 3-day trip planned entirely by a friend.
But after 411 days and 18,247 miles, McCullough has finally met his goal of biking to 51 national parks, and he’s likely the first person to pull off the feat. He hasn’t tried to register his accomplishments with Guinness World Records, even though McCullough actually set a waffle tower record in 2018 (no joke). For this more serious endeavor, he “just wanted to try it,” he said.
So, in March 2023, he set out from Florida’s Biscayne Bay National Park. Over a year later, he arrived in Acadia National Park on May 22, having visited every national park in the lower 48 purely through the power of his legs.
“You don’t have to identify as a cyclist to do something like this,” he told GearJunkie this week. “You just have to start small.”

McCullough has already begun leveraging his epic trip into a new project: An interactive map devoted to collecting hiker/biker campsites across the country. For McCullough, who has worked for outdoor advocacy groups, making space for other cyclists is equally important as fulfilling his own dirtbag dreams.
“So many people are trying to get into these sports for the first time,” he said. “We can help people learn these things without a steep learning curve.”
‘It Takes a Village’
It’s not uncommon for athletes like McCullough to have their privileges checked as soon as their accomplishments are posted on social media.
“Must be wonderful to be independently wealthy and never need to do a days’ work,” one commenter wrote on the Instagram post below celebrating McCullough’s journey.
“Yup, it’s always the story,” another user responded.
Except, of course, when it’s not. McCullough lived in a van for years while working various jobs in Colorado. He saved every dollar possible, eventually reaching the roughly $20,000 he’d need for the 14-month journey. With the exception of a small fundraising club to help with unforeseen expenses, McCullough funded the vast majority of it himself, he said.

Learning While Cycling


Camping Logistics
Mapping It Out for Posterity
