Fest Name: HP Triad Fest 2024/25
Links: Tumblr | Discord | AO3 | AO3 & Rules | Claiming Post
Type of Challenge: Anonymous prompt fest
Description: A HP fest celebrating triad relationships (romantic relationship between three people) and triad positivity. Claiming is open till March 20. Self-prompt is allowed. Each prompt can be claimed once for fic and once for art.
Ratings Restrictions: All ratings allowed
Length Restrictions:
Fic: Minimum 500 words
Art: Moodboards, art and photo manipulations are acceptable
Timeline:
Prompting: December 16 - January 16
Prompt list revealed: January 18
Claiming: January 20 - March 20
Works Due: April 20
Anonymous posting starts: May 1

Fest Name: HP Triad!Fest
Links: Tumblr | Prompt List & Claiming Post
Type of Challenge: Prompt fest
Description: A HP fest featuring triad, i.e., three characters being in a romantic relationship with one another. Claiming is open till February 7.
Ratings Restrictions: All ratings allowed
Length Restrictions: None? This fest welcomes writings of all kinds, art, moodboards and photo manipulation.
Timeline:
Prompting Closes: December 4th
Claiming Begins: December 7th
Claiming Closes: February 7th
Works Due: March 14th, 2024
Posting Begins: April 2nd, 2024

Fest Name: HP Triad!Fest '23
Links: Tumblr | Rules | Claiming Post
Description: A prompt fest centering on the romantic relationship between three HP characters. One of the main characters must be part human or humanoid sentient magical creature.
Ratings restrictions: All ratings allowed
Length restrictions: None. This fest welcomes fics, poetry, art, moodboards, photo manipulation.
Timeline:
Prompting: November 19 - 30
Claiming: December 1 - February 1
Works Due: March 14
Works Go Live: April 2

Fest Name: HP Triad!Fest
Origin: hptriadfest
Link: Rules
Type of challenge: Prompt and claim
Description: A fest devoted to romantic relationships between three people in the Harry Potter fandom.
Medium: All kinds of written word (fics, poems, etc.) and any kind of visual creation (art, moodboards, photo-manipulation, etc.) are welcome.
Ratings restrictions: All ratings allowed
Length restrictions: None
Timeline:
Prompting begins: Dec 1st
Prompting closes: Dec 14th
Claiming begins: Dec 15th
Claiming closes: Feb 14th
Submission due: Mar 14th
Posting begins: Apr 2nd
Reveals: May 2021

Claiming is still open until February 14th.