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The Rock CF Thumb Coast Marathon, Half Marathon and 5K

Sun November 2, 2025 Port Austin, MI 48467 US Directions

Referral Incentives

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Rock CF Thumb Coast Marathon, Half Marathon, & 5K offers a referral code program. This is a fun & easy way to get your friends to sign up to race with you. Bonus: You get money back on your registration fee!

Referral Incentives:

Refer 5 people who sign up to race and you get a $20 race registration refund.  This is applicable to Marathon, Half Marathon, and 5K registrations.  It is not applicable to Economy and Virtual registrations.  Cannot be applied retroactively.

How Does It Work?

Share your specific referral code link that you were given when you signed up to race (it's in your confirmation email). Once you get those people to register using your code, you will get your registration refund. Start sharing your link today!

You can also locate your personal referral link in your RunSignup account by clicking this link for instructions.

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