EVENTS: The most unique 5K you'll ever run returns June 6. Register today. #cwc5K

We manage more than 480 kilometers of sewer. These 5 may just be the most interesting.

Our annual Clean Water Classic 5K is back for the third year and we're opening the festivities to the public once again, promoting wellness and raising money for our Charity Choice campaign to benefit United Way.

More details are coming soon, but you can register by downloading and completing the form below. Register before June 3 for a discounted $20 rate and the first 100 get a #cwc5K T-shirt as well.

DOWNLOAD A REGISTRATION FORM

The Clean Water Classic, launched first as an employee fundraising initiative, was opened to the public last year as an opportunity to showcase one of the state's largest treatment plants of its kind while promoting wellness and community outreach.

RELATED NEWS

• View the 2014 results
• See what the 5K course looks like from the runner's perspective

EVENT: Smells like victory. Run a 5K through one of the country's largest wastewater treatment plants June 14

You've never run a 5K like this before.

Join us June 14 for our second annual Cuyahoga River Clean Water Classic #CWC5K, a one-of-a-kind fundraising 5K run/walk through one of the largest wastewater treatment plants of its kind in the country, the Southerly Wastewater Treatment Center in Cuyahoga Heights.

UPDATE 6/20: RESULTS POSTED! Thanks to the dozens of you who joined us June 14. We have now posted all of our results: Overall / Female / Male

Proceeds benefit three local agencies—United Way, Community Shares, and the United Negro College Fund, partners in our annual Charity Choice campaign.

The 2013 Clean Water Classic was open to employees and their families, raising hundreds of dollars for three local charities, and this year's event is open to the public for the first time ever.

RELATED: Video: See the 5K course woven through a 288-acre treatment plant from a runner's perspective