Adam Duggleby (Vive le Velo) and Alice Lethbridge (DRAG2ZERO) look set to be crowned 2018 National 12-Hour Championships after the title race was held in Hampshire on Sunday.

Results are still to be announced, but the pair were both well ahead of their rivals as they ploughed round the course near Alton on Sunday – and initial readings suggest they both set new competition records en route.

Elsewhere, there were some impressive times clocked in the Hemel Hempstead CC 10 in Hertfordshire on Saturday, where Commonwealth Games time trial silver medallist Harry Tanfield (Cleveland Wheelers) broke the course record with a time of 17-11, leaving Dan Bigham (Ribble Pro Cycling) to take second with 17-38.

Stephanie Post (Team Bottrill) was fastest female, while Joshua Sandman (Team Backstedt) broke the junior competition record with a time of 18-16.

The course record also fell in Northumberland, where Adam Wild (GS Metro) won the Sunderland Clarion 25, which doubled up as the NDCA Championships.

He clocked 52-07 to take 34 seconds from the old mark and leave team-mate Danny Grieves to settle for second by 59 seconds.

Gemma Frost (Team Swift) was the best of the women, clocking 1-00-46 to win by 3-40 from Joanne Rea (Blaydon CC).

In Cheshire, Mat Ivings (Buxton CC) and Claire Harrison (Vision Racing) were the fastest male and female riders respectively at the Manchester and District TTA 50 on Sunday.

45-year-old Ivings covered the J4/9 course near Cranage in 1-49-36 to take the win by just 18 seconds from former 50-mile competition record holder Andy Wilkinson (Port Sunlight Wheelers), while fastest female was 44-year-old Vision Racing rider Claire Harrison with 2-09-27.

Yorkshire Road Club held events over 25 and 50 miles near Boroughbridge on Sunday.

Ross Walton (GS Metro) won the 50-mile event with 1-49-08, while Kirsty Bramley (Team Swift) was fastest female in 2-08-44.

And in the 25-mile event Richard Dean (Cyclomania) covered the course in 53-08 to take the win, while Team SportsLab rider Sarah Lewthwaite was fastest female with 1-04-07.

In Scotland, the VC Glasgow South 10 near Newton Mearns was won by Catherine Logan (Fullarton Wheelers) and John Archibald (Ribble Pro Cycling).

Archibald clocked 19-41 and was the only man under the 20-minute mark as he took victory by a sizeable 1-27, while Logan’s winning time was 26-16.

And in East Sussex, Mark Smith and Lisa Davis finished top man and woman in the East Sussex CA 50 on Sunday.

Smith (Crawley Wheelers) notched up his fifth open victory of the season with a time of 1-49-34, while Davis covered the East Hoathly course in 2-07-31.

* All reports are copyright of Cycling Time Trials/Snowdon Sports. Not to be used without permission.

* See the individual event listings for more detailed reports on these and other time trials.