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Sunday, December 7, 2025 @ 9:30 AM Cambridge, MA 02139 US

Marsh Post River Runners

Join Winter Classic Team

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Enter the name and email address of the members you’d like to invite. Please note that you can only invite up to invites from a RunSignup email address, but you can still email the registration link through your personal email.

How Do You Want to Send These Emails Send from a RunSignup email address.

With this option, we will send an email from noreply@runsignup.com to the members you invite.

Send from my personal email address.

With this option, we will generate a template email you can copy and send through your own email address and mail client.

Email Subject Line

Enter Your Personal Message

Email	First Name	Last Name
Email	First Name	Last Name

Group Members

Name	Gender	Age
Carlos S.	Male	56

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Winter Classic 5K

Marsh Post River Runners

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Winter Classic 5K

Marsh Post River Runners

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