Andy Frost won the Enduro class in the North Somerset two-hour timed and observation trial for the Gordon Brown Trophy at Charterhouse on Sunday.

New South West Centre champion Ricky Wiggins, from Stoford, near Yeovil, won the 12th, and penultimate round, of the series staged at Brendon in North Devon.

Eleven class winners in the National Sprint Association's Quarter Mile Championship meeting at Westonzoyland achieved terminal speeds in excess of 100mph. Fastest was Wedmore's Steve Mead.

Sunday's Beach Race at Weymouth was called off due to lack of medical response cover.

Results –South West Centre ACU Remedies Bar Motocross Championship final round at Ladram Bay, East Devon – Experts, first race: 1, L Hill (Honda); 2, J Skuse (Honda); 3, G Hanson (Honda).

Second race: 1, J May (Suzuki); 2, B Cavill (Honda); 3, Skuse.

Third race: 1, May; 2, Skuse; 3, Hill.

125/250cc, first race: 1, D Shears (Suzuki); 2, C Layzell (Kawasaki); 3, R Flashman (Honda).

Second race: 1, Shears; 2, L Dean (Yamaha); 3, L Taylor (KTM).

Third race: 1, Shears; 2, Dean; 3, T Harvey (Honda).

Over 35 years, first race: G Down (Honda); 2, S Locke (Honda); 3, D Richards (Kawasaki).

Second race: 1, Locke; 2, Down; 3, Richards.

Third race: 1, Down; 2, Locke; 3, Richards.

Juniors championship, first race: 1, J Booker (KTM); 2, L Dean (Yamaha); 3, T Rowe (Honda).

Second race: 1, Booker; 2, Dean; 3, L Redstone (Kawasaki).

Third race: 1, Booker; 2, Redstone; 3, Rowe.

Juniors Group B, first race: 1, S Kersey (KTM); 2, L Hocking (Kawasaki); 3, G Worth (Yamaha).

Second race: 1, Kersey; 2, D Fletcher (Kawasaki); 3, S Hooper (Kawasaki).

Third race: 1, Kersey; 2, Hocking; 3, L S Merrell (Yamaha).

Group C, first race: 1, L Breen (Honda); 2, N Lane (KTM); 3, D Colton (Honda).

Second race: 1, Breen; 2, Colton; 3, R Hayes (KTM).

Third race: 1, Colton; 2, J Rutherford (Honda); 3, Hayes.

Final Championship positions – Experts: May 1228 pts; Davis 975; J Wyatt 906; J Kensington 850; L Blanchard 812; A Gillett 461.

125/250cc: Shears 1266; Wadge 1015; Harvey 981; Flashman 867; C Layzell 646; A Cook 447.

Over-35: J Fraser 1073; Locke 1069; Dowb 858; Southcott 858; M Roberts 836; R Newell 627.

Juniors: Wheeler 1084; Redstone 1045; Pryer 986; Rowe 749; D Walsh 687; S Nicholls 582.

Lyn MCC trial at Lynmouth, North Devon – Expert class awards: R Wiggins (Gas-Gas) 28; G Laming (Gas-Gas) 39; B Bramwell (Gas-Gas) 42; R Hancock (Gas-Gas) 48.

Youth expert awards: K Hancock (Gas-Gas) 33; J Young (Beta) 45.

Clubman expert awards: K Bushin (Gas-Gas) 25; J Young (Beta) 45; M Thompson (Beta) 39; J Atwell (Gas-Gas) 45; R Broom (Beta) 47; B Skinner (Gas-Gas) 52; J Turrell (Gas-Gas) 53.

Clubman awards: 1, Baker (Honda) 19; M Champion (Gas-Gas) 28; L Wiggins (Gas-Gas) 35; R Fry (Beta) 59; N Gundry (Gas-Gas) 61; A Lucas (Gas-Gas) 69; S Chugg (Beta) 71; S Rawle (Sherco) 72.

Novice awards: T Heard (Triumph) 18; A Shave (Gas-Gas) 24; G Wright (Beta) 25; S Grafton (Beta) 31; N Luckett (Beta) 33; A Burnett (Beta) 35; D Thompson (Gas-Gas) 36.

Over-50 awards: S Thornhill (Sherco) 14; D Fry (Gas-Gas) 15; M Hann (Gas-Gas) 27; M Strang (Gas-Gas) 35; K Ring (Beta) 36; M Wilson (Beta) 40.

Pre-1965 awards: P Wickett (Triumph) 4; S Pearman (Triumph) 60; N Hammersley (Triumph) 63; A Boycott (Triumph) 70; J Corin (BSA) 79.

Twin shock awards: I Cobb (Yamaha) 20; R Hill (Suzuki) 53; M Aldred (Fantic) 57.

Youth awards, A class: D Champion (Beta) 140.

B class: C Atkinson (Beta) 50; T Bushin (Beta) 59; S Mortimore (Sherco) 96; R Chugg (Beta) 123.

C class: T Hooper (Beta) 15.

Results of National Sprint Association Quarter Mile British Championship meeting at Westonzoyland, Somerset – Racing class, 125cc: D Davey (Suzuki) 15.23 sec – terminal speed 80mph.

250cc: G Parkinson (Suzuki) 13.79-96.

400cc: B Giles (Velocette) 13.62-100.

500cc: J Bunce (Honda) 13.03-101.

750cc: P Ford (Suzuki) 10.03-120.

1,000cc: A Lodge (Suzuki) 10.08-131.

Unlimited: S Mead (Suzuki) 8.96-152.

Vintage, 350cc: H Body (Excelsior) 15.07-81.

500cc: J Young (Triumph) 13.25-97.

Unlimited: H Body (Douglas) 12.61-103.

Post vintage, 350cc: J Young (Triumph) 14.39-89.

500cc: M Evans (Triumph) 12.01-109.

Road legal class, 250cc: G Parkinson (Suzuki) 13.99-98.

400cc: M Newton (Honda) 13.21-97.

750cc: J Glover (Triumph) 11.90-119.

1,000cc: D Richardson (Suzuki) 10.97-134.

Unlimited: F Granger (Suzuki) 10.65-136.

Super Street: S Manno (Suzuki) 9.36-151.

125cc, Juniors: C Uren (Kawasaki) 15.69-82.

Sidecars: H Body (Douglas) 14.77-88.

North Somerset MSC two-hour timed and observation trial at Charterhouse-on-Mendip, Somerset – Winner: S Bowden (Sherco) completed 16 laps, 4 marks lost on time plus 9 on observation – 13 marks lost. Runner-up: M Lawford (Sherco) 16 laps, 27+9=36.

First class awards: S Keedwell (Sherco) 15 laps, 20+17=37; R Blacker (Yamaha) 15 laps, 37+9=46.

Novice award: M Ridgeway (Gas-Gas) 15 laps, 29+37=66.

Enduro class awards: A Frost (Honda) 16 laps, 0+41=41; T Smith (Suzuki) 16 laps, 0+47=47; G Newman (KTM) 16 laps, 11+42=53; P Manning (KTM) 16 laps, 23+42=65; A Scrivens (Suzuki) 16 laps, 23+64=87; T Walters (Suzuki) 16 laps, 29+67=96.