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The Challenge Race 2026 - Kentucky Obstacle Course Race

The Challenge Race 2026 - Kentucky Obstacle Course Race

Sat April 18, 2026

Mackville, KY 40040 US Directions

Silent Thunder

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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 BikeSignup 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 BikeSignup 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
Zachary C.	Male	39	Lawrenceburg, KY
Mary-Ellen C.	Female	46	Lawrenceburg, KY
John C.	Male	42	Lawrenceburg, KY
Jacob M.	Male	31	Danville, KY

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The Challenge Race 2026 - Kentucky Obstacle Course Race

Silent Thunder

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The Challenge Race 2026 - Kentucky Obstacle Course Race

Silent Thunder

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