Amy Foster moved to within .03secs of Anna Boyle's Northern Ireland 100m record as she clocked a personal best of 11.52 in Switzerland on Sunday.
Foster finished third behind Britain's Jeannette Kwayke (11.31) at the Resisprint international meeting.
The North Down runner also took second in the 200m in a wind-assisted 23.4.
Foster recently bettered the long-standing Northern Ireland record with a 23.58 clocking at the European Team Championship meeting in Izmir.
Her main target for this summer in the World Student Games.
The sprinter was among several Northern Ireland to produce good performances over the weekend.
Her University of Ulster team-mate Adam McMullan qualified for the European Under-23 Championships in Ostrava later this month by setting a long jump personal best of 7.61m.
McMullan's jump added .22m to his previous best and increases his lead at the top of this year's Irish rankings.
He is among several Northern Ireland athletes who will be in European Championship action later this month at Under-23 and junior level.
Ciara Mageean will lead the Northern Ireland contingent at the junior event in Estonia where Katie Kirk, Joanna Mills and Andrew Doyle will also be in action.
Kirk showed good form ahead of her outing for Britain in Kaunas as she set a personal best of 24.52 over 200m in Mannheim, where Mills clocked 54.91 for 400m and had a long jump of 5.66m while Doyle threw 61.88m in the hammer at the same meeting.
Competing with McMullan in Oordegen, Belgium, Ben Reynolds won the 110m hurdles in 13.92 - his second best ever time behind his Northern Ireland record of 13.75 set last week.