Krikalev, scheduled to remain aboard the International Space Station (ISS) until October, beat the previous record of 747 days 14 hours 14 minutes and 11 seconds held by fellow Russian Sergei Avdeyev, mission control said.Source: Reuters
Cosmonaut breaks most days in space record

The 46 year old Russian cosmonaut Sergei Krikalev set a new record on Tuesday for most days spent in space. During his 20-year career he has spend more than 784 days in space.