curated by GRRL! updated: March 16, 2026

Bio Excerpt: Caitlyn Singler discovered racing later than most, but her rapid ascent through SCCA competition proves talent trumps timing. The 24-year-old Californian cut her teeth on Gran Turismo before transitioning to real-world road racing, where she quickly established herself as a serious contender across multiple NASA and... (full bio below ↓↓)

CAITLYN SINGLER

Sports Car racer 

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Being a woman in this sport isn’t about proving I’m better than the men, it’s about proving that the car doesn’t know the difference.

CAITLYN's Details:

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Birthday:
October 17, 2008 (17)
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racing type:
Sports Car racing
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racing status:
Pro
height:
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GRRL! Number:
GRRL-1086

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CAITLYN's full bio:

Caitlyn Singler is a rising road racing driver making her mark in SCCA competition and building toward a professional motorsports career with determination, skill, and an infectious passion for speed.

EARLY YEARS

Born on April 16, 2001, Caitlyn Singler didn’t grow up around racing—but once she discovered it, there was no turning back. Unlike so many drivers who started karting as kids, she came to motorsports later, which makes her rapid progression all the more impressive. Her path into racing wasn’t paved by family connections or childhood dreams of the podium; it was ignited by curiosity, followed quickly by obsession. She dove in headfirst, teaching herself the fundamentals and chasing every opportunity to get behind the wheel. That late start didn’t slow her down—it fueled her.

Singler’s racing education accelerated through sim racing, where she honed her skills in Gran Turismo and other platforms before translating that virtual experience into real-world results. It’s a modern entry point into motorsports, and one she’s used to her advantage. The transition from pixels to pavement isn’t easy, but she made it look natural, proving that talent and determination can make up for lost time.

OTHER INTERESTS

Beyond the track, Caitlyn is a multi-dimensional human being—something racing fans don’t always get to see. She’s open about her life outside of competition, sharing glimpses of her personality and interests with her followers. In March 2025, she married Zacharias Hafen, marking a major personal milestone amid her racing pursuits. Balancing a burgeoning motorsports career with a personal life isn’t easy, but she’s doing it with grace and authenticity.

She’s also deeply engaged with the racing community, both online and in person. Singler has appeared on podcasts like “Rowdy Ridez,” where she’s discussed everything from her racing journey to the quirks of sim racing and the realities of being a woman in motorsports. She’s not afraid to be real, to laugh at herself, or to call out the absurdities of the sport she loves. That candidness has earned her a loyal following and respect from peers who appreciate someone who doesn’t take herself too seriously—even while taking racing very seriously.

EARLY SUCCESS

Caitlyn Singler’s competitive racing career took off in the SCCA, where she quickly proved she belonged. She competed in the San Francisco Region SCCA, racking up seat time and results in various classes. Her early efforts were focused on learning racecraft, improving lap times, and earning her place among more experienced competitors. It wasn’t glamorous—club racing rarely is—but it was essential, and she treated every session like it mattered.

By 2023 and 2024, Singler was regularly appearing in NASA and SCCA entry lists, competing in events across California and beyond. She ran in multiple series and classes, adapting to different cars and conditions while building a reputation as a driver who showed up, worked hard, and got faster. Her progression wasn’t overnight—it was deliberate, strategic, and earned through countless laps and lessons learned the hard way.

Her involvement with Women in Motorsports North America has also been significant. Singler participated in the Women With Drive Summit IV, connecting with other female racers, mentors, and industry professionals. These events aren’t just networking opportunities—they’re lifelines for women trying to navigate a sport that still skews heavily male. Being part of that community has helped her grow, both as a driver and as an advocate for greater diversity in racing.

NOTABLE ACHIEVEMENTS

  • 2023–2024: Competed regularly in SCCA and NASA road racing events, building experience and improving lap times across multiple classes.
  • 2024: Participated in Women With Drive Summit IV, engaging with the broader community of women in motorsports.
  • 2025: Named as a finalist for the IMSA Diverse Driver Development Scholarship, a prestigious program aimed at supporting underrepresented drivers in professional sports car racing.

INSPIRATIONS

While specific names and influences haven’t been publicly detailed, it’s clear that Singler draws inspiration from the community around her—fellow female racers, mentors within Women in Motorsports North America, and the growing movement to make motorsports more inclusive. She’s part of a generation of drivers who refuse to accept the old excuses about why women can’t compete at the highest levels. That collective determination is both a source of motivation and a responsibility she takes seriously.

REPUTATION

Caitlyn Singler is known for being approachable, hardworking, and refreshingly real. She doesn’t project an inflated ego or pretend to have all the answers—she’s still learning, still improving, and not afraid to say so. That humility, combined with undeniable speed and commitment, has earned her respect in the SCCA paddock and beyond.

Her social media presence reflects that authenticity. She shares race recaps, behind-the-scenes moments, and honest reflections on the highs and lows of competition. It’s not all highlight reels and sponsorship posts—though those exist too—but a genuine window into what it’s like to pursue racing at this level. Fans and fellow competitors alike appreciate that transparency, and it’s helped build her profile as someone worth watching.

Being named an IMSA Diverse Driver Development Scholarship finalist in 2025 solidified her reputation as a serious contender with professional potential. That recognition doesn’t come easy—it’s reserved for drivers who’ve demonstrated not just talent, but the discipline, work ethic, and character needed to succeed at higher levels. For Singler, it was validation that her unconventional path into racing was leading somewhere significant.

FUTURE GOALS/PLANS

Looking ahead to 2025 and beyond, Caitlyn Singler’s trajectory points clearly toward professional sports car racing. The IMSA Diverse Driver Development Scholarship finalist designation positions her for opportunities in IMSA competition, whether that’s in support series like Michelin Pilot Challenge or eventually in higher-profile categories. The scholarship program is designed to open doors, and she’s ready to walk through them.

Beyond specific series, her goals likely include continued skill development, securing sponsorship and funding to sustain a professional racing career, and using her platform to support greater diversity and inclusion in motorsports. She’s not just racing for herself—she’s racing for every girl who thinks she doesn’t belong in a race car, every woman who’s been told she’s not strong enough or serious enough. That’s a powerful motivator, and one that will carry her far.

REFERENCES

YouTube Video
Women in Motorsports North America – Women With Drive
Women With Drive Summit IV
Famous Birthdays – Caitlyn Neier
Instagram Reel
Instagram – Caitlyn Singler Racing
The Knot – Zacharias Hafen and Caitlyn Singler Wedding
RACER – IMSA Diverse Driver Development Scholarship Finalists
SCCA San Francisco Region – The Wheel December 2023
Rowdy Ridez Podcast – Episode No. 37 with Caitlyn Singler
SCCA San Francisco Region – The Wheel July 2023
SCCA San Francisco Region – The Wheel February 2024
Women in Motorsports North America – Community Allies
NASA Event Entry List
NASA Event Entry List
MotorsportReg Event Entry

(bio last updated: 2026-03-17T03:27:56.000Z)