Robert Griswold claimed his fourth gold medal as action concluded today at the World Para Swimming World Series in Berlin ©Getty Images

Robert Griswold claimed his fourth gold medal as action concluded today at the World Para Swimming World Series in Berlin.

The American secured his last win with 952 points in the men’s 100 metres backstroke at the Schwimm und Sprunghalle im Europa Sportpark pool.

The races are decided by points according to the swimmers’ classes and the time they clock.

In the same race, The Netherlands’ Olivier van de Voort set a world record time of 58.43sec for the S10 class.

It was one of 10 global marks broken today to take the overall count at the final World Series of the year to 40.

Great Britain’s Alice Tai won the women’s 100m backstroke event with 1030.

As these are multi-class races, more than one world record may be set in a single event.

Hosts Germany sealed gold in the mixed 4x50m freestyle through Gina Bottcher, Julian Erxleben, Lucas Karle and Maike Schnittger, scoring 592.

The Netherlands’ Chantalle Zijderveld won the women’s 200m breaststroke with a world record time of 2:47.96 and 907, following up her victory in the 50m breaststroke. .

Rio 2016 Olympic gold medallist Oscar Salguero Galisteo of Spain took top honours in the men’s race with 909.

The Netherlands' Chantalle Zijderveld won the women’s 200m breaststroke with a world record time  ©Getty Images
The Netherlands' Chantalle Zijderveld won the women’s 200m breaststroke with a world record time ©Getty Images

Italy’s Carlotta Gilli topped the podium in the women’s 200m individual medley with 1,017 points, setting a world record time of 2:23.62 for the SM13 class along the way.

Gilli broke another world record in the 50m butterfly with a time of 27.98, but she finished second to Britain’s Rio 2016 gold medallist Eleanor Robinson, who triumphed with 959.

Britain also achieved success through three-time Paralympic champion Oliver Hynd, the winner of the men’s 200m individual medley.

Hynd scored 900 to secure his third title in Germany’s capital.

Japan’s Keiichi Kimura claimed his second victory in Berlin by coming out on top in the men’s 50m butterfly.

Kimura scored 972 and set a world record time of 27.78 for the S11 class.

S12 swimmer Stephen Clegg of Britain also broke his class’ world record in 26.01.