Host club pairing Carl Davey and Dominic Lowden took a clear victory in the Diss & District CC 2-up 25 which also included a medium gear and pre-1980 bike categories.
The Diss & District CC pairing recorded an average speed of over 24.8 miles per hour on the out and back course recording a winning time of one hour and 21 seconds.
The B25/17 saw competitors start on the outskirts of Diss before heading out and back on the rolling A1066 out to Thetford and then returning.
Veteran rider Davey was taking part in his first open time trial event and with the experienced Lowden the pairing took a convincing win.
Mixed veteran pairing of Ian Short (Team Salesengine.co.uk) and Ann Shuttleworth (Cambridge CC) finished in second position with a time of 1-04-01.
Completing the podium positions were the West Suffolk Wheelers pairing of Mark Eastwood and John Steed who completed the course in 1-14-39.
The Eroica Styles Bikes (pre-1980) category was won by host club rider Mark Ready with the veteran finishing in 1-11-59.
He finished over two minutes ahead of team-mate Rob Hobbs in 1-14-07 while quickest woman in third position was Alison Fox (Ely & District CC/B&T Motor Repairs) in 1-15-38.
Geoff Frost (Team Velovelocity) was a comfortable winner in the medium gear (72”) category setting a winning time of 1-03-04.
Fellow veteran David Gill (Diss & District CC) finished second in 1-13-58 while Phil Bailey (Loose Cannon's Conditioning) finished third (1-17-47).
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