Fastlane was a professional wrestling pay-per-view and WWE Network event produced by WWE for their Raw and SmackDown brand divisions. It took place on March 21, 2021, and was broadcast from the WWE ThunderDome, hosted at Tropicana Field in St. Petersburg, Florida—it was WWE's final pay-per-view presented from Tropicana Field during the COVID-19 pandemic as the ThunderDome was relocated to the Yuengling Center in Tampa, Florida due to the start of the 2021 Tampa Bay Rays season. It was the sixth event under the Fastlane chronology and the first since 2019. It was the first event to also stream via Peacock's WWE Network channel in the United States, and the last to be available on the standalone version of the American WWE Network before its shutdown on April 4.