A rider makes his way up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider makes his way up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

Riders make their way up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

Riders make their way up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider pushes up a hill outside of Whittier during RAGBRAI on Friday, July 24, 2015.

A rider on a recumbent bike makes his way to Mt. Vernon during RAGBRAI on Friday, July 24, 2015.

A rider on a recumbent bike makes his way to Mt. Vernon during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville with eastern Iowa farmland in the backdrop during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville with eastern Iowa farmland in the backdrop during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville with eastern Iowa farmland in the backdrop during RAGBRAI on Friday, July 24, 2015.

A rider rolls out of Springville with eastern Iowa farmland in the backdrop during RAGBRAI on Friday, July 24, 2015.

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