Are you a marathon runner looking to set a PR?  Have you run half marathons in the past and are now ready to face a the ultimate challenge? Whatever your motivation, it's time to sign up for  Grandma's Marathon 2013!

According to Grandma's Marathon, registration for the 37th running of the legendary race is open right now. Visit to register for the annual Two Harbors-to-Duluth race – currently the 13th largest marathon in the U.S. – which is set for Saturday, June 22, 2013 at 7:45 a.m.

The Marathon registration pricing structure for 2013 opens with an initial entry fee of $85, which will remain through September 30. On October 1, the fee will increase to $90 (see complete fee structure below).

2013 Grandma’s Marathon Entry Fee Structure

$85 - July 1, 2012 to September 30, 2012

$90 - October 1, 2012 to January 31, 2013

$95 - February 1, 2013 to March 31, 2013

$110 - April 1, 2013 to May 31, 2013

The 2013 Grandma's Marathon weekend also will feature the 23rd annual Garry Bjorklund Half Marathon and the 20th annual William A. Irvin 5K. Registration for those two events begins next February and March, respectively. The Garry Bjorklund Half Marathon will take place on Saturday, June 22 and the William A. Irvin 5K on Friday, June 21.

The USA Half Marathon Championships will be a part of the Grandma’s Marathon weekend lineup again next year, as well.

Should be another great year, and look for B105 once again hosting the entertainment tents in Canal Park!