The ISU Council decided to create the series at its February 2014 meeting.
[2] The Triglav Trophy dropped out by October 10, 2014, resulting in a series composed of ten events.
[6] The notice on the ISU Challenger Series Synchronized Skating was announced on May 10, 2019, which is for the discipline of synchronized skating and is held separately from the other ISU Challenger Series.
[8] In the 2020–21 season, due to the COVID-19 pandemic, it was decided to hold the Challenger competitions as individual events, rather than as a series.
[10] Each skater or team is permitted to compete in up to three ISU Challenger Series events.