What are the different 2021 QS event ratings for 2021? QS 1000, 3000, 5000, and Challenger Series. Related articles How does the seeding work for the Challenger Series events? Does it take International QS Rankings first then Regional QS Rankings? Will the registration period remain open until around 28 days prior to the start of each QS/Challenger Series event? The WSL Countdown: Specialty Events to Be Held in Australia, USA, Europe Once the Challenger Series season starts (Aug - Dec) will WSL run any QS/Regional tour events? Can CT surfers compete in QS events? Comments 0 comments Article is closed for comments.