Wales lost out to favourites Portugal in the final of the FIRA-AER European Sevens Championship in Hannover.
Gareth Baber's side progressed to Sunday's Cup showpiece but were beaten into second place by top seeds Portugal 26-12.
Previously Wales beat Poland 38-0, Ireland 26-14, Ukraine 21-17 and Italy 33-12 on Saturday to qualify with a day to spare, however Baber's team, core members of the IRB Sevens World Series, didn't have it all their own way.
Wales trailed at half-time against Ireland in their second match and then needed Gareth Chapman's try to deny Ukraine a famous victory after they had fought back from 14-0 to lead 17-14 with tries from Jaba Malaguradze, Ruslan Tserkovniy and Giorgi Todradze.
Wales were convincing 33-12 winners over Belgium and fought their way to a 19-14 victory over Georgia on Day two en route to the cup final.
England Under-18 head coach John Fletcher insists his young side will be better for the experience after beating Italy in the bronze final to round out their 2015 Rugby Europe U18 Championship campaign in style.