Joseph Birech bids to become the first man to win three successive Great Scottish Run titles on Sunday.
And Haile Gebrselassie, who will also compete at the half marathon in Glasgow.
Andrew Lemoncello competes in front of a home crowd while fellow Scots Susan Partridge, Freya Ross and Stephanie Twell take part in the women's race.
Around 25,000 runners are expected to take part.
Scotland's biggest mass participation event combines half marathon and 10k races in Glasgow's city centre and will be
The route has been altered to pass many of the venues for next year's Commonwealth Games.
Though Joseph Kibor and Jason Mbote have both won the men's race three times, Kenyan Birech would be the first to claim three victories in a row.
Two-time Olympic 10,000m champion Gebrselassie, who turned 40 in April, won the half marathon at the Great Birmingham Run in 2011.
"This is a great race," he told BBC Scotland. "And I am here to win."
Fellow Ethiopian Bezunesh Bekele was the fastest woman in last year's half marathon in Glasgow.