RecSys Challenge 2018

Welcome ACM RecSys Community! For this year's challenge, use the Spotify Million Playlist Dataset to help users create and extend their own playlists.

Read on for all the details. Good luck!

The RecSys Challenge 2018 is organized by Spotify, The University of Massachusetts, Amherst, and Johannes Kepler University, Linz.

Have a question, suggestion or concern? Let us know by emailing us at

Read the overview

This overview contains a top level view of the challenge.

Understand the Rules

Make sure you understand the rules before you enter the challenge.

Agree to the Terms & Conditions

The Terms & Conditions contain all the legal bits that you need to understand and agree to before participating in the challenge.

Register to participate

In order to take part in the challenge you will need to agree to the Terms & Conditions and register.

Get the Data

Get the data you will need to complete the challenge, including the Million Playlist Dataset and the Challenge Set (registered users only).

Manage your team

To participate in the challenge, you must be on a team. Go to your profile page to create a team and to invite members to your team. To join a team, ask for a team invite from the Team Lead.

Checkout the Leaderboards

See which solutions have the best scores. There are two leaderboards: One for the Main Track and one for the Creative Track

Submit your solution

Submit your solution (up to once per day) to the challenge to see it ranked on the leaderboards

Get Help

Check out the FAQ for answers to common questions. Join the RecSys Challenge 2018 Google Group to ask questions, share ideas and exchange insights about the challenge with the organizers and other participants.