May 27, 2026
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Club Spotlight: East County Valkyrie

How a basketball coach in Brentwood, CA built a girls flag football club that blew past its 5-year goals in year two.

Club Spotlight: East County Valkyrie

The FFF Club Spotlight series sits down with the coaches and organizers building youth flag football programs across the country. This week we're in Brentwood, California — about an hour east of San Francisco — with Paul Stonebarger, founder and head coach of East County Valkyrie.

The Basketball Girls Had Other Plans

Paul Stonebarger spent 23 years coaching youth basketball. Girls and boys, AAU circuits, high school programs — basketball was his world. Then flag football showed up at Liberty High School.

"At first, I said no. I had no background in flag football or anything and didn't know much about it."

He watched from the sidelines for a while. It looked fun. His youngest son started playing. And then his AAU basketball girls started having conversations he didn't expect.

"Probably 90% of my basketball girls wanted to be done and just do the flag football thing. They came to me and said, 'We're just loving flag football and we don't think we're going to come back to basketball and we don't want to tell you last minute.'"

So on December 26th — mid-family trip to Tahoe — Stonebarger told his wife he was converting Valkyrie into a girls flag football club. Paperwork went in that same day. The name means "Lady Warriors," and it stuck.

Madden Playbook, Basketball Defense

Stonebarger is upfront about where his football knowledge came from early on.

"My very first practice, I told all my girls, 'Look, we're going to learn this together, but I'm not going to lie to you. My plays are coming from Madden.'"

The basketball brain turned out to be an asset, though — especially on defense. His background in reading screens, manipulating spacing, and attacking gaps translated directly. And when it came time to teach blocking — a newer element in girls flag — he leaned on what he already knew.

"I teach them by teaching defensive slides. In basketball, you know, we have our hands behind our back so we're not using those. That has been the biggest thing that would come from basketball — being able to teach blocking at the best pace."

His offensive coaches come from football backgrounds, but the defensive identity is pure basketball. And the athletes adapting to flag from other sports — dancers, wrestlers, gymnasts, soccer players — bring their own tools.

"It's the new toy, right? Girls never got the access to all this. Now it's their thing and they're being able to show it."

12 Teams to 48 in One Year

Season one was a crash course. Stonebarger showed up to his first tournament expecting five-on-five flag and got two-hand touch on a half field.

"It was my fault for not educating myself and doing the research. I told all my parents, 'Look, this is not what I promised you guys. We're going to sit out the next tournament. Let me do my research.'"

He found the right circuits — five-on-five and seven-on-seven tournaments — and the parents were all in. Then Valkyrie decided to host their own event, hoping for four teams.

Twelve showed up in year one. In year two, that number hit 48 — with teams traveling from Colorado, Reno, and nearly Hawaii before storms intervened.

"That's where I wanted to be in five years. And we're on year two."

The club's high school squad has been in four championships this season. The 12U team currently spans ages 8 through 12 because there aren't quite enough kids yet for a separate 10U. But Stonebarger sees that coming — and eventually an 8U — to build the pipeline from the ground up.

The Farm, the Podcast, and the Mental Health Counselor

Stonebarger is a farmer. And he's turned that into one of the more unusual athlete development programs in club flag football.

High school athletes on his team can work on his farm through a "When I Work" program. Half their earnings go toward club fees, half they keep. It's part scholarship, part life skills lab.

"I try and teach them — why are you willing to deal with a coach you don't like to play sports, but in a job you're quick to say 'I don't want to go anymore'? They get to see me as coach and then they have to see me as boss. It's two very different people."

The club also employs a mental health counselor — available to any athlete dealing with the pressure of school, multiple sports, and the social dynamics of competitive team play. And they produce a podcast called Beyond the Shield, where players share their stories: a quarterback who got cut from the high school team and came back through club, an athlete rehabbing an ACL tear, soccer players who fell in love with flag.

"The wrong coach sees her on the wrong day, he doesn't understand all of that. So we like to talk to our players on the podcast, and that way colleges or different people can see who that person is off the field too."

"The Football Community Is Just Different"

Stonebarger keeps coming back to the culture. After two decades in basketball — where, in his words, "you walk in the gym and it's like we're fighting" — the flag football world has been a reset.

"The amount of support and everybody that just wants to be involved, it's just crazy. We lost to a great team in the championship and — no ill will, no anything. They were polite, they were respectful. They just had a better team that day."

He's watching his athletes build friendships across rival high schools, make connections at out-of-state tournaments, and support each other in a way that surprised him.

"I got girls at my house for dinner probably once a week. They're family. That's what we are at Valkyrie — a Valkyrie village, a Valkyrie family."

His advice for anyone thinking about starting a travel club? Do it.

"Open a club because I promise you — they're there. People just need to know."

Find East County Valkyrie on Flag Football Finder

Check out East County Valkyrie's profile on Flag Football Finder to see their teams and connect. Follow them on Instagram at @eastcountyvalkyrie for tournament updates and episodes of the Beyond the Shield podcast.

Looking for girls flag football teams near you? Browse the directory or create a free athlete profile to get discovered by clubs and college programs.

The FFF Club Spotlight series features conversations with the coaches and organizers building youth flag football programs across the country. Want your club featured? Reach out to us on Instagram.