Net proceeds from the Sustainable Sports Foundation events help children learn how to swim at the YMCA.

Days until the Marin County Triathlon

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Register for the Marin County Triathlon

Days until the Marin County Half Marathon

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Register for the Marin County Half Marathon

Why support the Sustainable Sports Foundation?

With your support, we funded Spring Splash Week at the YMCA for 350 kids.

To learn more about Sustainable Sports Foundation events & where your money goes, please click here.

Make A Donation

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Purchase Raffle Tickets to Support the Sustainable Sports Foundation!

A raffle will be held to benefit the Sustainable Sports Foundation at the San Rafael Joe’s 4th Annual Golf Tournament on August 21, giving underserved children the opportunity to learn to swim and be safe around the water.

Prizes include wine tastings, autographed sports memorabilia, gift certificates and more.

You do not need to be present to win.

Get Raffle Tickets

Latest News & Updates

YMCA of Marin SPLASH Program Commences

YMCA of Marin SPLASH Program Commences

Nothing but smiles at the YMCA of Marin SPLASH event, teaching kids to learn how to swim and be safe around water. We're honored to know proceeds from the Marin County Half Marathon and Marin County Triathlon are funding this incredible...

Founder & Director Mark Liebert Featured in the Pacific Sun

Founder & Director Mark Liebert Featured in the Pacific Sun

"A competitive athlete since his late 40s, Liebert is also the founder of the Sustainable Sports Foundation, a nonprofit that promotes local athletic events encouraging healthy lifestyles, with particular emphasis on providing opportunities for underprivileged Marin...

Thank you for the feedback Jackie!

Thank you for the feedback Jackie!

I do 10-12 races each season (including national and international championship events), and I have to say that the Marin County Tri is one of the most (if not THE most) well organized event I’ve attended. There were so many meaningful, little extras I don’t even know...