East London Runners had a combined 13 runners in the top ten of the men's and women's Wanstead Flats 5km parkrun on Saturday.
For the men, Euan Brown came first in a time of 16.22 and Gavin Stebbing in third in 19.00.
Emmett Fitzgibbon recorded a personal best in a time of 20.38, Morgan Francis (20.54) and Regis Martin (20.56) rounding off the top ten.
There were eight female East London Runners in the top ten of the ladies' event too.
Celia Payaneedandee came first in a time of 22.43, Claire Emery second in 22.54 and Laura Jenkin third in 23.26.
In the Hackney Marshes 5km parkrun, Russell Price finished in a personal best time of 17.47., whilst Richard Guest completed his 50th parkrun with a time of 20.59 in the Walthamstow parkrun.
Shahib Miah Ali came eighth in the Valentine Park 5km parkrun in 19.50.