FARGO– This weekend will mark 15 years of Fargo’s most famous race and staff was out making sure it’s perfect today. The Fargo Marathon’s Executive Director, Mark Knutson took a bike ride along the race’s course today. WDAY learned construction and flooding set him back around two weeks, but everything is good to go now. This is the 15th annual Fargo marathon and it has grown. The first year only about 2,000 people signed up. This year, around 20,000 are participating. Knutson has been a part of the race since day one and he tells WDAY all the hard work to organize the race is worth it. “Little kids coming down the ramp and raising their arms up and getting that finisher medal, that’s probably rewarding, I mean it has it’s moments, there are a lot of challenges and stuff like any other job, but it’s pretty rewarding come race day,” said Knutson. Your last chance to sign up for the marathon is tonight. Registration closes at midnight.