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Google Analytics Parallel Tracking

Parallel Tracking sends a second copy of your GA4 hits to your own data pipeline, so you can export unlimited events to your warehouse.

Written by Reflective Data experts · updated Oct 5, 2026

It runs alongside your existing GA4 set-up, typically with a small change to the tracking code or a GTM tag, and streams hits to a separate processing endpoint. The data lands in BigQuery or another warehouse.

It is a popular alternative to GA360 for teams that need complete, unsampled event data.

Data sampling GA4 BigQuery export Google BigQuery

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