Herne Hill Harriers hosted their first open track & field meeting of the season at the club's Tooting Bec headquarters on Saturday.
The 100m proved the most popular event, with 17 races taking place.
Blackheath & Bromley's Toby Olubu was the fastest of all 100m runners, clocking 10.81 seconds, with the Harriers trio of Dwayne Dowding (10.84secs), Nicholas Atwell (10.98secs) and Idris Ojuriye (11.04secs) also to the fore.
Dowding impressed again over 200m, clocking 21.94secs to finish second in the A race, while Atwell was triumphant in a competitive 600m in 1:21.37.
The 300m was dominated by home athletes, with Jamal Rhoden-Stevens (34.67secs), Peter Phillips (34.80secs), Raheem Stroude-McLean (38.37secs) and Mike Cummings (40.59secs) filling the top four positions in the A race.
Hercules Wimbledon controlled the longer distance events, as James Moorcroft and Freddie Slemeck won the 1,500m and 3,000m respectively.
In the hurdles, Harriers' Jess Collins won the U13G 70m event in 12.92secs and Adam Ssali was first in the U17M 100m race in a wind-assisted 13.60secs.
Collins also won the U13G high jump with a leap of 1.53m. Further winners in the jumps were: Andy Kirtland (3.71m in senior long jump), Louis Carter (4.89m in U20M long jump), Samara Innerarity (3.58m in U11G long jump) and Latisha Fleming (9.11m in the U17W triple jump).
Herne Hill also dominated the discus events, with Thomas Ashby (senior), David O'Sullivan (U20M), Briony Phillips (senior) and Barbara MaCanas (W60) winning their respective events.
Finally, Phillips won the senior hammer with a personal best of 36.07m, while Hannah Gleed also posted a personal best as she cleared 2.20m in the pole vault.
Close call: Dwayne Dowding of Herne Hill (left) is edged out by Blackheath & Bromley's Femi Owolade over 200m
Jump to it: Eva Holland, nine, in the long jump event
Winner: Fred Slemeck of Hercules Wimbledon winning the 3,000m
Trio: Latesha Fleming in triple jump action
Visitor: Marcos Carrera from Spain
Winner: Blackheath & Bromley's Mark Cryer winning the senior men's high jump