Julian Manning made it two wins on successive weekends as he added the RNLI 10k title to his Butser Hill Challenge victory.
The Denmead Striders athlete showed a clean pair of heels to his rivals to win with a time of 33min 35sec.
Rhys Goddard, from Nene Valley Harriers, finished second (34.08).
Gary Armstrong made it a podium double for Denmead with third place (37.04).
Linda Taylor, of Charnwood Athletic, was first lady (43.54).
Lisa Calladine finished second (44.38) and Bethany Burnett, of Canterbury Harriers, took third (46.30).
The 10k race was run alongside the Southsea Pirates – Pieces of Eight with both starting and finishing at the RNLI Lifeboat Station, Eastney, on Sunday.
George Little, of Fife AC, won the Pieces of Eight for the fourth year in a row.
He finished with a time of 47.25.
Richard Bailey, of Portsmouth Joggers, crossed the line second (49.56).
Lee Mawson made it two Denmead athletes on the podium as he finished third (50.26).
Emma Jolley was first lady and sixth overall with a superb time of 52.14. It completed a hat-trick of wins for her as she also took the top prize in 2013 and 2014.
Lavinia Long, of University of Portsmouth Netball Club, finished second lady (1.03.26).
Karen Barnicoat, of Stubbington Green Runners, was third (1.04.46)
Organiser Rob Piggott was delighted with the success of the two races, with a total of 345 runners finishing the RNLI 10k and 248 completing the Pieces of Eight.
He said: ‘It was a brilliant event and all went very smoothly.
‘Everybody said how good the atmosphere was and loved the medals.
‘George and Emma have both been the winners of the Pieces of Eight for three years on the trot now, plus they were duathlon series champions as well this year.
‘It was a new fastest time for Julian on the 10k course – another good win.’
Manning’s success came a week after he won the difficult Butser Hill Challenge five-mile race in a time of 35.07.
Pete Collins, of Portsmouth Joggers, was second (35.30).
Haslemere Border’s Emma Macready finished fourth overall and first lady (35.54).
On Sunday, Piggott’s company Believe & Achieve host the Big City Adventure Race.