Three Northern Ireland riders have secured podium positions on the opening weekend of British Superbike action at Donington Park.
Fermanagh man Josh Elliott finished second on his Morello Racing Kawasaki in the Superstock 1000cc race, with Alastair Seeley third for Tyco BMW.
Elliott, 20, came home 1.02 seconds behind winner, Hudson Kennaugh.
Carrickfergus rider Glenn Irwin was third in the Supersport 600cc sprint race, then fourth in the feature event.
The Kawasaki rider, who ended fourth in the championship last year, came in behind winner Luke Stapleford and runner-up Jake Dixon in Sunday's sprint race.
Dixon turned the tables to win race two from Stapleford and the pair lead the series on 45 points apiece, 16 points ahead of Gearlink Kawasaki rider Irwin.
Jordanstown's Andy Reid was fifth in both races on his Traction Control Yamaha and is fifth in the standings on 22 points, while Portadown's Marshall Neill took ninth and 11th positions to lie eighth overall.
In Monday's Superstock race, BMW-mounted South African Hudson Kennaugh took the flag by 1.02 seconds ahead of Ballinamallard man Elliott, with Seeley a further 1.31 seconds behind in taking the final rostrum spot.
Former Irish Superbike champion Nico Mawhinney was 12th, with Lisburn pilot David Haire 22nd.
In the first of the feature Superbike races, Michael Laverty was ninth on the Tyco BMW, 22.915 seconds behind race winner James Ellison.
Reigning champion Shane Byrne was second, with Josh Brookes third and Laverty's team-mate Tommy Bridewell sixth.
Laverty improved to seventh in race two, won by Shane Byrne, and is ninth in the standings ahead of the next round at Brands Hatch in two weeks' time.