A new race series has been created for marathoners to add to their list of running feats. The Great Lakes Marathon Series is a collaboration of 25 marathons in the U.S. and Canada that take place along North America's five Great Lakes.

Partnered with the Alliance for the Great Lakes, the series invites distance runners to enjoy the unique beauty of the individual races while simultaneously raising awareness and funds needed to protect all five of the Great Lakes.

Participants will receive awards at various benchmarks throughout the series along with a grand prize after completion of all 25 races, regardless of how many years individuals need to complete the entire marathon tour.

Runners will be required to pay each individual marathon entry fee in order to participate, and signing up for the Great Lakes Marathon Series does not guarantee entry into any race. Also, only participation in races in 2013 and future years will be recognized as part of the Great Lakes Marathon Series.

Register for the Great Lakes Marathon Series at www.greatlakesmarathonseries.com. A tour and links to the websites of the 25 individual races can be found there as well. For more information on the Alliance for the Great Lakes, visit www.greatlakes.org.

Nineteen of the 25 races in the Great Lakes Marathon Series take place in the upper Midwest and Ontario, the coverage area of Silent Sports. The entire 2013 series is as follows:

Medical Mutual Glass City Marathon, Toledo, OH, April 28
Goodlife Fitness Toronto Marathon, Toronto, ON, May 5
Mississauga Marathon, Mississauga, ON, May 5
Rite Aid Cleveland Marathon, Cleveland, OH, May 19
Wisconsin Marathon, Kenosha, WI, May 4
Cellcom Green Bay Marathon, Green Bay, WI, May 19
Buffalo Marathon, Buffalo, NY, May 26
Charlevoix Marathon, Charlevoix, MI, June 22
Grandma's Marathon, Duluth, MN, June 22
Waugoshance Trail Marathon, Carp Lake, MI, July 13
Grand Island Trail Marathon, Munising, MI, July 27
Marquette Marathon, Marquette, MI, Aug. 31
Erie Marathon at Presque Isle, Erie, PA, Sept. 15
Thunder Bay Marathon, Thunder Bay, ON, Sept. 22
MVP Health Care Rochester Marathon, Rochester, NY, Sept. 22
Oktoberfest Marathon, Spring Lake, MI, Sept. 28
Porcupine Mountains Trail Marathon, Silver City, MI, Oct. 5
Sleeping Bear Marathon, Empire, MI, Oct. 6
Whistlestop Marathon, Ashland, WI, Oct. 12
Bank of America Chicago Marathon, Chicago, IL, Oct. 13
Towpath Marathon, Cleveland, OH, Oct. 13
Detroit Free Press Marathon, Detroit, MI, Oct. 20
Scotiabank Toronto Waterfront Marathon, Toronto, ON, Oct. 20
Niagara Falls International Marathon, Niagara Falls, ON, Oct. 27
Hamilton Marathon, Hamilton, ON, Nov. 3