Thousands of athletes took part in the annual Ironman 70.3 in Bolton today (Sunday, June 30), with crowds lining the streets to catch a glimpse of the competitors.

Here are some of the best pictures taken throughout the day.

(Image: Bolton Council)

(Image: Bolton Council)

(Image: Mark Sixsmith)

(Image: Mark Sixsmith)

(Image: Mark Sixsmith)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)

(Image: Phil Taylor)