Special Raid Challenge

The Special Raid Challenge is a special event that is hosted during a three-hour window and features a Pokémon as Raid Boss. This Pokémon may know one or more limited or legacy attacks and also have a chance to be shiny (evolved forms included). All Trainers will also receive up to five Raid Passes from Gyms at no cost.

List of Special Raid Challenges

 * Articuno was available as a tier 5 Raid Boss on July, 2018, as a part of Global Challenge 2018.
 * Only Articuno obtained in Japan rescheduled event knew the charged attack Hurricane.
 * Zapdos was available as a tier 5 Raid Boss on July, 2018, as a part of Global Challenge.
 * All Zapdos obtained during the three-hour window knew the fast attack Thunder Shock.
 * Moltres was available as a tier 5 Raid Boss on September, 2018, as a part of Global Challenge.
 * All Moltres obtained during the three-hour window knew the charged attack Sky Attack.
 * Gengar was available as a tier 4 Raid Boss on November, 2018.
 * All Gengar obtained during the three-hour window knew the fast attack Lick and the charged attack Psychic.
 * Lapras was available as a tier 4 Raid Boss on May, 2019.
 * All Lapras obtained during the three-hour window knew the fast attack Ice Shard and the charged attack Ice Beam.
 * Raikou was available as a tier 5 Raid Boss on June, 2019, as a part of a reward for Spark's Global Challenge.
 * Entei was available as a tier 5 Raid Boss on July, 2019, as a part of a reward for Candela's Global Challenge.
 * Suicune was available as a tier 5 Raid Boss on August, 2019, as a part of a reward for Blanche's Global Challenge.
 * The first, second, and third stages of Kanto starters were available as a tier 1, 2, and 4 Raid Boss on December, 2019, as a part of the Evolution Event.