Longest Cumulative Time in Space

Russian cosmonaut Gennady Padalka holds the record for the most cumulative time spent in space, totaling 878 days (over 2 years and 4 months) across five missions.

Sources

• Longest time spent in space (aggregate) | Guinness World Records
• Padalka breaks spaceflight endurance record
• 804 days and counting: Cosmonaut beats record for career spent in space | collectSPACE
• Russian cosmonaut back after record 879 days in space
• This astronaut is sacrificing his body to go to space for 1000 days - Quartz

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