The Russians started brilliantly in the backstroke with Kliment Kolesnikov storming to a time of 52.77.
Watch the European Championships live on Eurosport and the Eurosport Player
However Peaty dragged Great Britain back into the lead with a time of 57.60 before James Guy cemented that position with 50.91
European Championships
Sjoestroem, Peaty and Efimova end Euros with fourth golds
09/08/2018 AT 18:18

Watch Peaty claim fourth gold as GB's men storm to 4x100m medley relay win

Duncan Scott brought home the victory with Russia having to settle for second in the wake of an incredible team performance from the Brits.
Great Britain's women had no answer to Russia in their 4x100m medley but they secured a dramatic bronze ahead of Italy.
Going into the final leg the Italians were second with Britain third but as Denmark overtook both countries Freya Anderson narrowly edged it to take the final medal.
European Championships
GB's women take bronze in 4x100m medley relay
09/08/2018 AT 17:52
European Championships
Watch Peaty claim fourth gold as GB's men storm to 4x100m medley relay win
09/08/2018 AT 17:12