Sioned Harries powers towards the Canadian try-line off the back of a scrum.
Welsh Women Under 20s inability to convert pressure into points came back to haunt them once again as they surrendered a lead to lose the Consolation Final 12-10 against Canada in the Nations Cup held in Brunel University.
Two first half tries by skipper Elinor Snowsill and Lowri Harries put Wales in pole position to record their second victory of the tournament but a late onslaught by Canada saw them score the crucial try in the 70th minute to break Welsh hearts.
Yasmin Leung had a last gasp chance to steal the win for Wales but her penalty shot sailed wide.
The defeat will be a bitter pill to swallow for the Welsh side as they dominated possession and made all the running but failed to breach the determined Canadian defence.
Alex Stokes was held up over the line early on after Levi Hallett had also posed some problems in attack. In the eighth minute Snowsill took matters into her own hands and produced a moment of individual brilliance to break the deadlock.
The Welsh fly half dummied a pass wide out, stepped over the gain line and dived over for an unconverted try.
Wales continued to apply all the pressure with Amy Lawrence to the fore before leaving the field injured with a shoulder injury.
Wales doubled their lead in the 25th minute after Lowri Harries dummied her way over from close range.
Canada scored against the run of play in the 45th minute when their full-back finished off a slick move from a line-out. The extras were added and suddenly Canada were right back in the game.
Canada broke through in the 70th minute to score and edge in front for the first time in the match. With time running out Wales camped inside Canada's 22 and eventually forced a penalty to offer Leung a chance of restoring the lead, but fate intervened and hopes of a Welsh victory disappeared with her missed shot at goal.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.