Westley Walker picked up a new personal best of 31 minutes and four seconds during what has been a busy month so far for Haverhill Running Club.
Craig Sisson (30.53) was in great form, while Lee Brown, Trev Bunch and Nicole Sisson also put in good performances.
Elsewhere, the popular Gareth Thomas (39.45) finished in under 40 minutes for the first time when he competed in the Olympic Park 10K in London.
At the Newmarket 10K, Cheryl Trundle, Kirsty Millard and Teresa Franklin were among the first female teams across the line, with Millard the fourth lady overall.
Shiv Dockerill (51.38), Carol Le Roy-Tickner (54.13), Yusuf Firat, Dan Knight, David Percy, Craig Sisson, Gavin Tickner and Simon Walis also took part.