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How to Determine Session Duration in Mixpanel Using Start and End Events

·Jan 21, 2026 06:58 AM·

any way to determine session duration in mixpanel if only the session end and session start events are getting triggered

3 comments

· Sorted by Oldest

Mixpanel Community
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How to Determine Session Duration in Mixpanel Using Start and End Events
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Mixpanel Community
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Thanks for your question! Hopefully, your peers in the community can help answer your questions. However, if you need some review from our Support team, leave 🎫 on your question and we should reach out shortly! If you do this, please make sure to not send duplicate tickets through the Support webform. Appreciate it! In the meantime, let us know if this feedback is similar to any previous discussions below:
1.
Mixpanel Session Tracking Issues with Segment Implementation (1 year ago)
2.
Calculating Average Session Length for Each App Feature (7 months ago)
3.
Hi, why I am not able to break down session duration by Event name? (1 year ago)
4.
Creating a User Session Time Report for Web Pages (11 months ago)
5.
Validating Mixpanel Session Duration: API Data Pull Approach Explained (1 year ago)
Julianne Bozzini
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Hi Udit- Julianne from Mixpanel Support here. Mixpanel automatically records a property called "Session Duration (Seconds)" with every "Session Start" and "Session End" event. You can perform aggregate calculations per user on this "Session Duration" property to find the average session time per user. That said, the virtual session events are calculated based on event data being sent to your project. This means it would be unexpected for there just to be "Session Start" and "Session End" events. In order to calculate sessions, you would need to send event data. The Sessions doc has more information on how the virtual events are calculated and the properties available on them.