Around 500 people descended on Brentford Lock to watch the the timed paddleboarding and then moved onto Syon Park for the 5km and 1km runs as well as a free family sports day on sunny Sunday (May 10).
Around 275 people took part in the activities as family and friends cheered on from the sidelines.
Small-sided football on an inflatable pitch, rhythmic gymnastics, cheerleading, boxercise and short tennis were among the attractions.
She said: “I would like to congratulate all of the staff and volunteers who have made this wonderful day possible taking place in the beautiful setting of Syon Park and Brentford Lock.”
Trophies were presented to those with the fastest times and each participant was awarded with a Brentford Challenge medal.
The Brentford Challenge was organised by Brentford FC Community Sports Trust and supported by Brentford Lock West.
The Canal and Rivers Trust provided access to the waterways of Brentford Lock and Brentford Lock Holiday Inn supplied power and amenities for the paddle boarding event.
Lee Doyle, chief executive of Brentford FC Community Sports Trust, who was thrilled to see people of all ages and abilities take part and have a great time, said: “We are proud to be able to stage this event in the heart of our community.”