KIM & MARK HARDIN

When Mark Hardin decided to go back and play football, Kim made him a deal: go ahead — but if you get hurt again, I get to buy myself something. Fair enough, Mark figured. Then he came home one day with a pinky that was purple and twice its normal size. He started to explain that he didn't think he'd just jammed it — that it might be something worse — and before he got the sentence out, Kim already had her phone in her hand, buying herself something nice. A deal's a deal.

That's the Hardins. They've turned a shared life — and a shared gym — into something that runs on equal parts accountability and affection.

Here's the thing, though: they almost never train together. Kim is a 5:00 a.m. person. Mark is a 7:00 a.m. person. Two different doors into the same building, two different crews, two different reasons for being there. And that, it turns out, is exactly what makes it work.

Their road to Westborough was a long one. Kim and Mark met in California, both working at Mattel — she's a children's fashion designer, he's an engineer. Then came Texas, where Mark grew up and where their four kids were born, then a move east: Mark first, the rest of the family nine months later, a stretch in Natick, and finally Westborough in 2017. Kim sums up the whole journey like this: California taught her how to take care of her body, Texas how to take care of a home, and Massachusetts how to take care of her brain.

That last part she found at Prototype. A lifelong runner — figure skating as a kid, road miles as an adult — Kim came to CrossFit through running: she liked that the training had running woven into it and kept evolving enough to pull her back day after day. She walked in the door in 2017. Going on nine years later, she's still there at 5 a.m.

Mark came around the long way. A former football player, by his forties he was getting by on the occasional bodyweight workout and a short run — and collecting injuries. Kim kept telling him the gym could help. His response was not subtle: "You'll never get me to do that. I'd puke in the corner." He finally agreed to ease in the only way he'd accept it — remotely, on a holiday gift card, in early 2021. He never left.

Ask either of them why it stuck, and neither one leads with the workouts.

For Kim, it's the 5 a.m. women — a crew that runs a book club and even takes trips together. "That community of people is what keeps me coming back," she says, "not just the workouts." For Mark, it was the welcome. He showed up as "Kim Hardin's husband" and barely knew a soul, but the 7 a.m. group pulled him in fast. Now he's on his own group text, and the accountability is real: miss a Wednesday and you'll walk in Thursday to someone going, "Oh, look who's back." Mark says he needed exactly that. "When I was trying to work out on my own, it was so hard to stay motivated. The community is what keeps me coming back."

They've built a small daily ritual around it, too. Kim gets home, Mark asks how the workout was, she gives him the quick download, and then they go be parents. "It's a nice little touch base before we disperse and do kids' stuff," she says. "We don't even have to talk about it — we just both know we have it."

The changes they point to aren't on the scale. Kim's weight has held steady across more than five years, but her days haven't: the routine anchors everything else — how she eats, how she shows up for her kids, how she feels. "On days I don't come in, I'm just off," she says. Mark's body composition has moved in every direction he'd want; by his own account he's in better shape than he was a decade ago. What drives him now is plain: keep up with the kids, do the yard work, stay active without getting hurt. And there's a mental piece for both — Mark needs the morning social hour with his crew; Kim needs the opposite, a window that has nothing to do with school pickups or sports schedules, time to invest in herself.

Here's what all that consistency quietly built. Kim hit her 1,000th class back in 2023 and is now past 1,600 sign-ins. This May, Mark crossed 1,000 classes of his own — which makes the Hardins one of the only couples at Prototype where both partners are in the 1,000-class club. Two people, two alarm clocks, more than 2,600 trips through the door between them.

Then there's the part that traveled beyond the gym walls. In 2025, the Hardins became Prototype's first-ever Fittest Family — their name is the first plate on a plaque that now hangs in the gym for good. Kim talks about the "cool factor and buzz amongst kids in the schools," how her kids talk about Prototype the way other kids talk about town soccer or basketball, how the coaches are "big time" to them. When the coaches surprised the family with a video, she watched it in the parking lot after work and teared up. Here's that video:

The video our coaches made to surprise the Hardins when they earned 2025 Fittest Family.

Two people. Two classes. One community big enough to hold both of them — and their whole family, too.

For Kim, it's the routine and the women she's shown up beside for nearly nine years. For Mark, it's the crew that turned a guy who said "you'll never get me in there" into a 1,000-class regular. For both, it's a daily reset that makes the rest of family life run.

When our coaches started naming members we had to feature, Kim and Mark came up right away — and for different reasons, which is exactly why I wanted them together. Kim has been an anchor of our 5 a.m. for nearly nine years. Mark went from "you'll never get me in there" to a thousand classes and one of the most welcoming guys in the room.

Watching their whole family become part of this place — to the point where they're the first name on our Fittest Family plaque — has been one of my favorite things to see. That's what we're building here.

— Mike Collette, Founder & CEO of Prototype Training Systems

If you've ever wondered whether a gym could be something your whole family is part of — not just a place one person disappears to — this story is for you.

Start with a free No Sweat Intro. We'll talk about where you are, where you want to go, and how to make it fit your actual week.

KIM & MARK HARDIN

When Mark Hardin decided to go back and play football, Kim made him a deal: go ahead — but if you get hurt again, I get to buy myself something. Fair enough, Mark figured. Then he came home one day with a pinky that was purple and twice its normal size. He started to explain that he didn't think he'd just jammed it — that it might be something worse — and before he got the sentence out, Kim already had her phone in her hand, buying herself something nice. A deal's a deal.

That's the Hardins. They've turned a shared life — and a shared gym — into something that runs on equal parts accountability and affection.

Here's the thing, though: they almost never train together. Kim is a 5:00 a.m. person. Mark is a 7:00 a.m. person. Two different doors into the same building, two different crews, two different reasons for being there. And that, it turns out, is exactly what makes it work.

Their road to Westborough was a long one. Kim and Mark met in California, both working at Mattel — she's a children's fashion designer, he's an engineer. Then came Texas, where Mark grew up and where their four kids were born, then a move east: Mark first, the rest of the family nine months later, a stretch in Natick, and finally Westborough in 2017. Kim sums up the whole journey like this: California taught her how to take care of her body, Texas how to take care of a home, and Massachusetts how to take care of her brain.

That last part she found at Prototype. A lifelong runner — figure skating as a kid, road miles as an adult — Kim came to CrossFit through running: she liked that the training had running woven into it and kept evolving enough to pull her back day after day. She walked in the door in 2017. Going on nine years later, she's still there at 5 a.m.

Mark came around the long way. A former football player, by his forties he was getting by on the occasional bodyweight workout and a short run — and collecting injuries. Kim kept telling him the gym could help. His response was not subtle: "You'll never get me to do that. I'd puke in the corner." He finally agreed to ease in the only way he'd accept it — remotely, on a holiday gift card, in early 2021. He never left.

Ask either of them why it stuck, and neither one leads with the workouts.

For Kim, it's the 5 a.m. women — a crew that runs a book club and even takes trips together. "That community of people is what keeps me coming back," she says, "not just the workouts." For Mark, it was the welcome. He showed up as "Kim Hardin's husband" and barely knew a soul, but the 7 a.m. group pulled him in fast. Now he's on his own group text, and the accountability is real: miss a Wednesday and you'll walk in Thursday to someone going, "Oh, look who's back." Mark says he needed exactly that. "When I was trying to work out on my own, it was so hard to stay motivated. The community is what keeps me coming back."

They've built a small daily ritual around it, too. Kim gets home, Mark asks how the workout was, she gives him the quick download, and then they go be parents. "It's a nice little touch base before we disperse and do kids' stuff," she says. "We don't even have to talk about it — we just both know we have it."

The changes they point to aren't on the scale. Kim's weight has held steady across more than five years, but her days haven't: the routine anchors everything else — how she eats, how she shows up for her kids, how she feels. "On days I don't come in, I'm just off," she says. Mark's body composition has moved in every direction he'd want; by his own account he's in better shape than he was a decade ago. What drives him now is plain: keep up with the kids, do the yard work, stay active without getting hurt. And there's a mental piece for both — Mark needs the morning social hour with his crew; Kim needs the opposite, a window that has nothing to do with school pickups or sports schedules, time to invest in herself.

Here's what all that consistency quietly built. Kim hit her 1,000th class back in 2023 and is now past 1,600 sign-ins. This May, Mark crossed 1,000 classes of his own — which makes the Hardins one of the only couples at Prototype where both partners are in the 1,000-class club. Two people, two alarm clocks, more than 2,600 trips through the door between them.

Then there's the part that traveled beyond the gym walls. In 2025, the Hardins became Prototype's first-ever Fittest Family — their name is the first plate on a plaque that now hangs in the gym for good. Kim talks about the "cool factor and buzz amongst kids in the schools," how her kids talk about Prototype the way other kids talk about town soccer or basketball, how the coaches are "big time" to them. When the coaches surprised the family with a video, she watched it in the parking lot after work and teared up.

Two people. Two classes. One community big enough to hold both of them — and their whole family, too.

For Kim, it's the routine and the women she's shown up beside for nearly nine years. For Mark, it's the crew that turned a guy who said "you'll never get me in there" into a 1,000-class regular. For both, it's a daily reset that makes the rest of family life run.

When our coaches started naming members we had to feature, Kim and Mark came up right away — and for different reasons, which is exactly why I wanted them together. Kim has been an anchor of our 5 a.m. for nearly nine years. Mark went from "you'll never get me in there" to a thousand classes and one of the most welcoming guys in the room.

Watching their whole family become part of this place — to the point where they're the first name on our Fittest Family plaque — has been one of my favorite things to see. That's what we're building here.

— Mike Collette, Founder & CEO of Prototype Training Systems

If you've ever wondered whether a gym could be something your whole family is part of — not just a place one person disappears to — this story is for you.

Start with a free No Sweat Intro. We'll talk about where you are, where you want to go, and how to make it fit your actual week.