[Load Result] Discrepancy in 'Duration' Value in Load Test Results

Hi Subject7 team,

I'm running a load test using the 'Load set' feature and viewing the report in the 'Load Result' section. However, I am confused about how the 'Duration' value is calculated. For example, I ran the test with 10 virtual users (and selected from 10 real users in the dataset), and the actual duration measured by my clock is about 2 minutes (120 seconds). However, in the Load Result, the duration appears as 686 seconds. This does not match the actual duration, so I wonder if there is a specific formula used to calculate the 'Duration' value?
Note that the load set I ran only contains 1 test case.

Could you please clarify this discrepancy?

Thank you