91st annual Mackinac Sailboat Race (GALLERY)

A sunny start to the 91st annual Port Huron to Mackinac sailboat race.

Thousands once again lined Sarnia and Port Huron's waterfront to watch the boats head out into Lake Huron.

For race standings and results go to www.bycmack.com.

Crowds gather below the bridge to watch the start of the Mackinac sailboat race. Photo sent by Blackburn Radio app.

Mackinac Sailboat Race BlackburnNews.com file photo.

Chatham OPP on hand to help with the Mackinac race. photo sent through Blackburn Radio app.

U.S. Coast Guard patrols the water before the start of the Mackinac Sailboat Race. photo sent by Blackburn Radio App, July 18, 2015.