Global Challenge

Professor Willow's Global Challenge (also mentioned as Global Research) is a season-long event themed around particular goals and milestones during the summer. During the events there are "Global Research tasks" for player community with established amount of Research tasks to be done by players in specific regions. For completing each "Global Research task" there are special bonus rewards that will be available worldwide.

2018 Event
In 2018, Global Challenge involved Pokémon GO Safari Zone in Dortmund, Germany; GO Fest 2018 in Chicago; and Safari Zone in Yokosuka, Japan. After the completion of three challenges, Ultra Bonus was unlocked.

Safari Zone Dortmund
The following goals were set to be done on June and July, for players attending to Safari Zone in Dortmund and these worldwide. Additionally, Roselia appeared more frequently worldwide, and lucky Trainers may even encounter its shiny form. The rewards for each goal lasted between July and, 2018 and the bonus reward for completing all goals &mdash; the Articuno Day, happened on July , 2018.

The first bonus reward that was unlocked was the Articuno Day scheduled on July, 2018, during which Trainers worldwide were given five free Raid Passes when they spun a Photo Disc at a Gym and Articuno was available in Raid Battles around the world for a three-hour period. There was also a chance to capture its shiny form.

GO Fest 2018
The following goals were set to be done on July and July, for players attending to GO Fest 2018 and these worldwide. Additionally, Plusle and Minun appeared more frequently worldwide, and lucky Trainers may even encounter their shiny form. The rewards for each goal last between July and, 2018 and the bonus reward for completing all goals &mdash; the Zapdos Day, happening on July , 2018.

The second bonus reward that was unlocked was the Zapdos Day scheduled on July, 2018, during which Trainers worldwide were given five free Raid Passes when they spun a Photo Disc at a Gym and Zapdos was available in Raid Battles around the world for a three-hour period. There was also a chance to capture its shiny form.

Safari Zone Yokosuka
The event is free and lasts between Wednesday, August 29, and lasts until Sunday, September 2 (JST) in Yokosuka City in Kanagawa Prefecture. Three city parks (Mikasa, Verny, and Kurihama) will be participating in this special event. Trainers will be able to find Pokémon not normally seen in Japan, such as the Grass- and Flying-type Pokémon Tropius, Unown, and more. While there will be many exciting Pokémon to catch throughout the event, Raid Battles will not be available at the event locations.

The Yokosuka Pokémon GO Safari Zone event will be held over the course of five days, but gameplay is designed to be a single-day experience. In order to give as many Trainers as possible the chance to take part, participation is limited to the day listed on each ticket. If a Trainer somehow manages to obtain multiple tickets, they will only be able to find special Pokémon on the day the first ticket is claimed.

In celebration of the Yokosuka Pokémon GO Safari Zone event, Pokémon such as Feebas and Torchic will be found more often throughout Japan. Additionally, Wingull will appear more frequently worldwide, and lucky Trainers may even encounter its shiny form. To top it off, Professor Willow's Global Challenge will take place on September 1 and 2. The rewards for each goal lasted between September and, 2018 and the bonus reward for completing all goals &mdash; the Moltres Day, happened on September , 2018.

The third bonus reward that was unlocked was the Moltres Day scheduled on September, 2018, during which Trainers worldwide were given five free Raid Passes when they spun a Photo Disc at a Gym and Moltres was available in Raid Battles around the world for a three-hour period. There was also a chance to capture its shiny form.

Ultra Bonus Event
The Ultra Bonus Event was a series of action-packed rewards featuring Kanto Pokémon.

Starting September, all three Legendary Birds were available in Raid Battles until September. There was also a chance to capture their shiny forms. After that, Mewtwo came to normal Raid Battles for the first time which had previously only been available in EX Raid Battles. Mewtwo will be available until October.

Kanto region-exclusive Pokémon: Farfetch'd, Kangaskhan, Mr. Mime and Tauros would joining the Alolan Pokémon in 7-km Eggs through the end of September. Also, Pokémon originally discovered in the Kanto region would appear more frequently all over the world and show up more frequently in Raid Battles until September 30.

2019 Event
The Global Challenge returns this year and will feature challenges focused on the Team Leaders: Spark, Blanche, and Candela. Each team leader will be responsible for rallying Trainers to complete research both around the world and at each of the three Pokémon GO Fest events this summer. If all three teams and the event attendees meet the research goals, a special bonus Raid Day will be unlocked during the bonus week. And if all goals are met by the end of summer, an even more exciting bonus will be unlocked.

Spark's Candy Research Challenge
The event will last from Thursday, June 13, 2019, at 9 a.m. to Sunday, June 16, 2019, at 5 p.m. PDT (GMT −7). This challenge lasts from start to finish of Pokémon GO Fest Chicago.

Challenge Research Tasks

Reward Bonus Date + Time
 * All successfully unlocked bonuses will run from June 18 to June 25, 2019
 * If all of the bonuses have been unlocked, Raikou will be available in raids for a short period of time, along with the chance to obtain a shiny Raikou.

Candela's XP Research Challenge
The event will last from Thursday, July 4, 2019, at 1 a.m. to Sunday, July 7, 2019, at 9 a.m. PDT (GMT −7). This challenge lasts from start to finish of Pokémon GO Fest Dortmund.

Challenge Research Tasks

Reward Bonus Date + Time
 * All successfully unlocked bonuses will run from July 9 to July 16, 2019
 * If all of the bonuses have been unlocked, Entei will be available in raids on Sunday, July 14, 2019, along with the chance to obtain a shiny Entei.

Blanche's Stardust Research Challenge
The event will last from Monday, August 5, 2019, at 6 p.m. to Monday, August 12, 2019, at 1 a.m. PDT (GMT −7). This challenge lasts from start to finish of Pokémon GO Fest Yokohama.

Challenge Research Tasks

Reward Bonus Date + Time
 * All successfully unlocked bonuses will run from August 13 to August 20, 2019
 * If all of the bonuses have been unlocked, Suicune will be available in raids on Saturday, August 17, 2019, along with the chance to obtain a shiny Suicune.

Trivia

 * The 2018 event was similar to the Global Catch Challenge, but instead of one set of goals, there were three. Moreover, there were separate scores for each of four regions, which included:
 * the localisation of specific event (either Pokémon GO Fest or Pokémon GO Safari Zone),
 * the Americas,
 * the Asia-Pacific region
 * and Europe with Middle East and Africa as one region.
 * The Pokémon GO Travel logo for 2018 featured Celebi.