Britons Holly Mills and Sophie McKinna shone in the European indoor selection trials in Loughborough and Manchester.
Mills, 20, won the women’s pentathlon with a personal best of 4,557 points – moving third in the 2021 European indoor rankings and fifth on the all-time British list.
McKinna beat her indoor shot put best for the second event running with 18.54m, winning by more than a metre.
Britain’s European Indoor Championships team will be named on Monday.
The Championships will be live on BBC TV from 4-7 March.
In the women’s 400m final, Jodie Williams produced a late surge to eclipse Jessie Knight and register her new indoor personal best of 52.27 seconds.
On Saturday – when the trial events were held at London’s Lee Valley – Andrew Robertson impressed in the men’s 60m as he won in a season-best time of 6.61 ahead of Oliver Bromby and Harry Aikines-Aryeetey, while Alisha Rees claimed the women’s race in 7.37, just outside her season’s best.
In the long jump, Fincham-Dukes produced a third-round effort of 8.08 metres, the best of his career to date, to surpass the European indoor qualifying standard, while Jazmin Sawyers took top spot in the women’s event with a leap of 6.45m.
David King, who flew in from the USA on the morning of competition, won the men’s 60m hurdles in a time of 7.73.
Ryan Thomas Williams