The Grand Rapids Triathlon was held Sunday morning for the 9th year. 

Organizers said the event had more than 1,600 athletes complete the triathlon on Sunday. Participants came from 23 states and Canada. 

The youngest person to participate was 6 years old and the oldest was 77.

See official Grand Rapids Triathlon results here. 

The athletic event is the largest independent triathlon and the host of five USAT National Championships over the past nine years. 

The triathlon primarily takes place in Ada Township, with the run going down Thornapple River Drive and the cycling going around Grand River Drive. The swim portion takes place in Thornapple River. 

The Grand Rapids Triathlon is known for its flat course, which is good for new and experienced athletes.

13 ON YOUR SIDE's Laura Hartman and Shanna Grove trained for 12 weeks to participate in the event. They both finished the triathlon within seconds of each other. 

See Laura and Shanna's training diary here: 

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