List of Timed Research tasks

Community Day

 * Community Day: Porygon - September 2020 Community Day featuring Porygon
 * Community Day: Charmander - October 2020 Community Day featuring Charmander
 * Community Day: Electabuzz - November 2020 Community Day - Electabuzz
 * Community Day: Magmar - November 2020 Community Day - Magmar
 * December Community Day - December 2020 Community Day
 * Community Day: Roselia - February 2021 Community Day featuring Roselia
 * Community Day: Eevee - August 2021 Community Day featuring Eevee
 * Community Day: Duskull - October 2021 Community Day featuring Duskull
 * December Community Day 2021 - December 2021 Community Day
 * Galarian Zigzagoon: Catch Challenge - August 2022 Community Day featuring Galarian Zigzagoon
 * Litwick Limited Research - October 2022 Community Day featuring Litwick
 * December Community Day 2022 - December 2022 Community Day
 * Slowpoke Community Day Special Research - March 2023 Community Day featuring Slowpoke and Galarian Slowpoke
 * Togetic Limited Research - April 2023 Community Day featuring Togetic
 * Swinub Limited Research - April 2023 Community Day Classic featuring Swinub
 * Poliwag Limited Research - July 2023 Community Day featuring Poliwag
 * Froakie Community Day: Bonus Timed Research - August 2023 Community Day featuring Froakie; only available at Yokohama, Japan, as a tie-in with the 2023 Pokémon World Championships

Limited Researches

 * Snubbull Limited Research - May 2020, featuring Snubbull
 * Meowth Limited Research - October 2020, featuring Alolan Meowth
 * Nidoran♀ and Nidoran♂ Limited Research - November 2020, featuring Nidoran♀ and Nidoran♂
 * Sneasel Limited Research - January 2021, featuring Sneasel
 * Marill Limited Research - May 2021, featuring Marill

Throwback Challenges

 * Throwback Challenge 2020: Kanto - May -, 2020. Mewtwo with Psystrike
 * Throwback Challenge 2020: Johto - May -, 2020. Ho-Oh with Earthquake
 * Throwback Challenge 2020: Hoenn - May -, 2020. Groudon with Fire Punch
 * Throwback Challenge 2020: Sinnoh - May -, 2020. Cresselia with Grass Knot

Pokémon GO Tour

 * GO Tour Kanto: Defeat All Challengers - February, 2021
 * Raikou, Entei, and Suicune Photo Safari - February, 2022
 * Pokémon GO Tour: Johto Battle Challenge - February, 2022
 * GO Tour: Live - February, 2022
 * Legends: #377 - February -, 2023
 * Legends: #378 - February -, 2023
 * Legends: #379 - February -, 2023
 * Ruby: Latios Photo Safari - February -, 2023
 * Sapphire: Latias Photo Safari - February -, 2023

GO Battle Day

 * GO Battle Day: Beginner’s Paradise - April, 2022
 * GO Battle Day - June, 2022. Mankey
 * GO Battle Day - October, 2022. Guzma
 * GO Battle Day - November, 2022. Miltank
 * GO Battle Day - January -, 2023. Steven Stone
 * GO Battle Day: Vulpix - February, 2023
 * GO Battle Day - March, 2023. Palmer
 * GO Battle Day - May, 2023. Stardust

Other

 * GO Fest Weekly Challenge: Skill - July -, 2020
 * GO Fest Weekly Challenge: Battle - July -, 2020
 * GO Fest Weekly Challenge: Friendship - July -, 2020
 * Ultra Unlock 2020 - July  - August, 2020
 * Mega Battle Challenge - September -, 2020
 * Mega Buddy Challenge - September -, 2020
 * Niantic Birthday Event - October, 2020
 * The Seasons Change: Part 1 - October -, 2020
 * Mega Gengar - October - November, 2020
 * Catch Mastery: Ghost - October, 2020
 * Animation Week Research - November  -, 2020
 * Pokémon HOME Event - November -, 2020
 * Legacy 40 Challenge - November - December, 2020
 * Kalos Celebration Event - December -, 2020
 * Hoenn Celebration Research - January -, 2021. Rayquaza with Hurricane
 * Johto Celebration Event - January - February, 2021. Ho-Oh with Earthquake
 * Team GO Rocket Celebration - February -, 2021
 * Lunar New Year - February -, 2021
 * Kanto Celebration Event - February -, 2021
 * Searching for Legends - March -, 2021
 * Charge Up - March -, 2021
 * Weather Week - March -, 2021
 * Festival of Colors - March, 2021
 * Tricky Pokémon - April, 2021
 * Sustainability Week - April -, 2021
 * New Pokémon Snap Celebration - April - May, 2021
 * Luminous Legends X - May -, 2021
 * Luminous Legends Y - May -, 2021
 * Galarian Ponyta Make-up - June, - , 2021
 * Ultra Unlock 2021: Time - July - August, 2021
 * Ultra Unlock 2021: Space - August -, 2021
 * Ultra Unlock 2021: Sword and Shield - August -, 2021
 * Psychic Spectacular - September -, 2021
 * Fashion Week - September -, 2021
 * Halloween Cup Research - October -, 2021
 * Galarian Slowpoke - October - October, 2021
 * Season of Heritage: Stardust Challenge - December -, 2021
 * Pokémon GO Holidays: Catch Challenge - December -, 2021
 * Pokémon GO Holidays: Friendship Challenge - December -, 2021
 * New Year's - December, 2021 - January , 2022
 * Season of Heritage: XP Challenge - January -, 2022
 * Steelix Mega Energy - January -, 2022
 * Mountains of Power - January -, 2022
 * Season of Heritage: Catch Challenge - February -, 2022
 * Lunar New Year: Catch Challenge - February -, 2022
 * Lunar New Year: Friendship Challenge - February -, 2022
 * GO Tour Poké Ball Prep Rally - February -, 2022
 * Lush Jungle - March -, 2022
 * April Splash - April -, 2022
 * Community Day Distance Challenge - April, 2022
 * Exeggcute Limited Research - April, 2022
 * Electrify the Sky - May -,  - , 2022
 * Water Festival: Catch Challenge - May -, 2022
 * Adventure Week: Adventure Challenge - June -, 2022
 * Anniversary Event Research - July -, 2022
 * Battle Weekend Challenge - July -, 2022
 * Old Friends, New Beginnings - available in various countries in different time
 * Bug Out! Catch Challenge - August -, 2022
 * Pokémon World Championships 2022 - August -, 2022
 * Team Building: Great League - August - September, 2022
 * Psychic Spectacular - September -, 2022
 * Test Your Mettle: Catch Challenge - September -, 2022
 * Safari Zone Goyang - Exploration Challenge - September -, 2022
 * Fashion Week - September - October, 2022
 * Festival of Lights: Timed Research - October -, 2022
 * Pokémon GO Safari Zone: Taipei 2022 - Exploration Challenge - October -, 2022
 * Cráneo Monumental: Bonus de investigación limitada - November, 2022
 * Greedy Gluttons - November -, 2022
 * Pokémon GO Safari Zone: Singapore 2022 - Exploration Challenge - November -, 2022
 * Ultra Beast Arrival - November, 2022
 * 151 Challenge - November, 2022 - January , 2023
 * Winter Wishes - December -, 2022
 * Lucky Wishes - January -, 2023
 * Lovely Wishes - February -, 2023
 * Timed Research: Choose Your Fighting Type - March, - June , 2023
 * Catch Mastery Timed Research - March, 2023
 * Elite Raid Timed Research - March, 2023
 * April Splash! - April -, 2023
 * A Mystic Hero: Timed Research - April -, 2023
 * Sustainability Week - April -, 2023
 * A Valorous Hero: Timed Research - May -, 2023
 * Elite Raid Timed Research - May, 2023
 * Me, You and Pikachu! - June -, 2023
 * Dark Flames - June - July, 2023
 * Riolu Hatch Day Timed Research - July, 2023
 * Adventures Near and Far - July - August, 2023
 * Glittering Garden: Timed Research - August -, 2023
 * 2023 Pokémon World Championships - August -, 2023
 * Great League Greatness - August -, 2023
 * DancingRob's Champion - August -, 2023

Ticket Researches

 * Special Weekend (November 2020) - November /, 2020
 * City Spotlight 2020 - November, 2020
 * Pokémon GO Tour: Kanto - Bonus Event - March - April, 2021
 * Special Weekend (May 2021) - May -, 2021
 * GO Fest 2021: Raid Day - July, 2021
 * Special Weekend (December 2021) - December -, 2021
 * GO Tour: Live - Elite Four - February, 2022
 * BATTLE - March - June, 2022
 * GO Battle League Timed Research - September - December, 2022. Season 12
 * Yamask Timed Research - October - November, 2022
 * Halloween Timed Research - October - November, 2022
 * GO Battle League Timed Research - December, 2022 - March , 2023. Season 13
 * Winter Holiday Timed Research - December -, 2022
 * Pokémon GO Tour: Hoenn Countdown - February -, 2023
 * GO For a Spin - February -, 2023
 * GO Battle League Timed Research - March - June, 2023. Season 14
 * Willow's Wardrobe - March - June, 2023
 * GO Battle League Timed Research - June - September, 2023. Season 15
 * Searching for Gold Research Day: Timed Research - June, 2023
 * Water Festival: Timed Research - June -, 2023
 * In the Rough - June - July, 2023 as an early-purchase bonus for Pokémon GO Fest 2023: Global
 * 7th Anniversary Party Timed Research - July -, 2023
 * Shimmering Strides - July - August, 2023 as an early-purchase bonus for Pokémon GO Fest 2023: Global
 * Adventure Week 2023 Timed Research - July - August, 2023

Partner Researches

 * Season of Alola Partner Research - Until May, 2022
 * Season of GO Partner Research - Until August, 2022
 * Season of Light Partner Research - Until November, 2022
 * Season 10: Rising Heroes Partner Research - Until May, 2023
 * Hidden Gems Partner Research - Until August, 2023
 * Limited Partner Research: Amazon Prime Gaming - Until August, 2023