Motorists have been warned about road closures ahead of Sunday's Swan River Run between Langley Park and Crawley.
The first competitors will set off at 7.25am, but some road closures start at 4.30am and others at 6.30am.
![Road closures start at 4.30am for Sunday's Swan River Run.](/web/20160725054718im_/http://www.watoday.com.au/content/dam/images/g/q/c/7/e/c/image.related.articleLeadwide.620x349.gqc7bj.png/1469245516579.png)
The early closures include Victoria Avenue between Terrace Road and Riverside Drive.
At the same time, a number of roads in Kings Park and Crawley will be closed to traffic, including Park Avenue, Forrest Drive, Lovekin Drive, Kings Park Avenue and Hacket Drive.
![Competitors preparing for last year's Swan River Run.](/web/20160725054718im_/http://www.watoday.com.au/content/dam/images/g/q/c/7/c/c/image.related.articleLeadwide.620x349.gqc7bj.png/1469245516579.png)
Between 6.30 and 9.45 there will be road closures affecting Barrack Street, Riverside Drive, Governors Avenue, Duchess Way, Enchantress Way, Plain Street and William Street.
The Mitchell Freeway off-ramp for Riverside Drive will also be closed between 6.30am and 11am, as will Crawley Avenue and Park Avenue.
The 5km run starts at Langley Park and takes competitors along the riverside, finishing at Hackett Drive near the University of Western Australia.
The 14km run starts at the same place but takes runners on a diversion through Kings Park before finishing at Crawley.
Details and maps showing the road closures are available at www.swanriverrun.com.au
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