Cambridge Half Marathon + 5K

5K: Saturday, October 31 @ 10AM; Half: Sunday, November 1 @ 7AM

Cambridge, MA 02141 US

The Charles River Rats

Join Social Team (non-fundraising)

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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.

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Enter Your Personal Message

Email	First Name	Last Name
Email	First Name	Last Name

Group Members

Name	Gender	Age	Location
Michael G.	Male	30	Boston, MA
Sadie S.	Female	28	Boston, MA

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Cambridge Half Marathon + 5K

Cambridge Half Marathon + 5K

The Charles River Rats

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Cambridge 5K

Cambridge Half Marathon

The Challenge

Cambridge Half Marathon + 5K

Cambridge Half Marathon + 5K

The Charles River Rats

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Cambridge 5K

Cambridge Half Marathon

The Challenge