· Russia won all previous five editions of the women's duet technical routine at the world championships.
· Svetlana Romashina (RUS) was part of all the Russian teams that won the gold medal in this event, but she will not compete this year. Her 2015 partner Natalia Ishchenko (RUS) has retired.
· Svetlana Kolesnichenko (RUS) and Alexandra Patskevich (RUS) will compete for Russia this year. Kolesnichenko won the gold medal in this event in 2013 and 2015 (as reserve) and could join Ishchenko in third place on the all-time list of gold medal winners in this event. Only Romashina (5) has won more.
· If Kolesnichenko wins the solo technical routine on Saturday July 15th, she is one gold medal shy of joining Anastasia Davydova (RUS, 14) in third place on the all-time gold medal ranking in synchro. Only Romashina (22) and Ishchenko (20) have more.
· Ona Carbonell (ESP, G0-S1-B2) could win a fourth medal in this event, one behind record holder Romashina.
· China finished in second place in the women's duet technical routine at each of the last three world championships, while Spain claimed the silver medal in 2007 and 2009.
· At the 2015 FINA World Championships, Japan finished in third place in the women's duet technical routine, claiming its first medal in this event since the bronze medal in 2007.