- August 31, 2021: deadline for submitting the solutions,
- September 5, 2021: deadline for sending the reports, end of the competition,
- September 12, 2021: online publication of the final results, sending invitations for submitting papers to the associated workshop at the IEEE Big Data 2021 conference,
- October 10, 2021: deadline for submitting invited papers,
- October 25, 2021: notification of paper acceptance,
- November 15, 2021: camera-ready versions of accepted papers due.

All deadlines are at 11:59 PM UTC on the corresponding day unless otherwise noted. The competition organizers reserve the right to update the contest timeline if they deem it necessary.