WhenIsItDue Master Deadline List

Sat, 05 Oct 2019 14:05:06 GMT

Posted by: squidgiepdx

Here are the upcoming deadlines, and the supporting information to guide you for more information. Have something to add? Click here and leave a comment.

Open Date	Close Date	Community	Type of Challenge	Prompt/Information	Link
03/29/2026	04/12/2026	bitesizedfandomsex (DW)	Fanworks	Multifandom: Signup period for Bite-Sized Fandoms Exchange 2026	click here for details
04/05/2026	04/12/2026	everythingisfemslashex (DW)	Fanworks	Multifandom: Tagset nomination period for Everything is Femslash Exchange 2026	click here for details
02/22/2026	04/18/2026	tardis_remix (DW)	Fanworks	Doctor Who: Signup and prompt fill period for Doctor Who and Related Fandoms Remix	click here for details
04/14/2026	04/19/2026	ca_sunset_exchange (DW)	Fanworks	Multifandom: Signup period for The Completely Arbitrary Sunset Exchange, a femmeslash exchange.	click here for details
03/01/2026	04/20/2026	bethefirst (DW)	Fanworks	Multifandom: Signup and creation period for Be The First - A challenge to create a fandom's first fanwork.	click here for details
04/10/2026	04/20/2026	fan_flashworks (DW)	Fanworks	Multifandom: Challenge 512: Obstacle	click here for details
04/14/2026	04/26/2026	everythingisfemslashex (DW)	Fanworks	Multifandom: Signup period for Everything is Femslash Exchange 2026	click here for details
04/20/2026	04/26/2026	miyaspringbreakweek (Carrd)	Fanworks	Haikyuu: Miyacest Spring Break Week - With Prompts	click here for details
03/16/2026	04/27/2026	gabrielsbigblog (DW)	Fanworks	Supernatural: Pinch Hitter & Beta signup period for Gabriel's Big Bang	click here for details
04/01/2026	04/30/2026	allbingo (DW)	Fanworks	Multifandom: Flower Fest Bingo	click here for details
03/23/2026	04/30/2026	dc-femslash-big-bang (Tumblr)	Fanworks	DC Universe: Signup period for DC Femslash Big Bang	click here for details
04/04/2026	04/30/2026	dove_drabbles (DW)	Fanworks	Multifandom: Prompt #150: April showers bring May flowers	click here for details
04/01/2026	04/30/2026	emotion100 (DW)	Fanworks	Multifandom: April Prompt #49: Proud	click here for details
04/01/2026	04/30/2026	fancake (DW)	Recs	Multifandom: Round 185: Arranged Marriage	click here for details
02/01/2026	04/30/2026	smallfandomfest (DW)	Fanworks	Pimp Your Small Fandom!	click here for details
04/10/2026	04/30/2026	spring_renewal (DW)	Fanworks	Multifandom: Spring Renewal Prompt Filling Period	click here for details
04/01/2026	04/30/2026	trope_of_the_month (DW)	Fanworks	Multifandom: April's theme is Fake Dating	click here for details
04/01/2026	04/30/2026	vampiremedia (DW)	Fanworks	Multifandom: Write and share Vampire-based drabbles all of April.	click here for details
04/04/2026	05/03/2026	sga_saturday (DW)	Fanworks	Stargate Atlantis: Weeks #540-543 "rescue" and/or "cry" is open!	click here for details
12/27/2025	05/04/2026	BlindGo2026 (AO3)	Fanworks	Hikara No Go: Signups and submission period for Blind Go 2026	click here for details
04/11/2026	05/04/2026	one_piece_exchange_26 (AO3)	Fanworks	One Piece: Signup period for One Piece Fanwork Exchange 2026	click here for details
04/25/2026	05/09/2026	hellaverseex (DW)	Fanworks	Signup period for What A Hellish Summer Exchange 2026	click here for details
04/09/2026	05/09/2026	precuretokucard (DW)	Fanworks	Kamen Rider Gotchard: Prompt and Prompt Filling Period for Chemy Card Spring Silly!!	click here for details
04/25/2026	05/15/2026	3weeks4dreamwidth (DW)	Meta	Participation period for the yearly Three Weeks to Celebrate Dreamwidth	click here for details
04/09/2026	05/20/2026	moodthemeinayear (DW)	Fanworks	Minimual Mood Theme Track 3 period	click here for details
05/01/2026	05/31/2026	allbingo (DW)	Fanworks	May's theme is Flower Fest Bingo	click here for details
05/01/2026	05/31/2026	retrowrimay (Tumblr)	Fanworks	MultiFandom: Retro Writing in May focuses on tropes, tags, and formats that have fallen out of style.	click here for details
05/22/2026	06/05/2026	aromanticbuckybarnes (Tumblr)	Prompt Fest	Marvel MCU: Prompt submission period for Aromantic Bucky Barnes Fest 2026	click here for details
06/01/2026	06/07/2026	liushenweek (BSKY)	Fanworks	SVSSS: LiuShen Week 2026	click here for details
04/01/2026	06/10/2026	unconventionalcourtship (DW)	Fanworks	Multifandom: Signup period for Unconventional Courtship 2026	click here for details
01/01/2026	06/30/2026	crackthewip (DW)	Fanworks	Multifandom: Crack The WIP 2026 - Finish that Work In Progress	click here for details
03/14/2026	06/30/2026	galorechallenge (DW)	Fanworks	Multifandom: A Crossover Fic Challenge with prompts	click here for details
04/01/2026	06/30/2026	whatif_au (DW)	Fanworks	Multifandom: Third Annual Anniversary Bingo Challenge Note: This challenge community has no true deadlines.	click here for details
06/05/2026	07/02/2026	aromanticbuckybarnes (Tumblr)	Prompt Fills	Marvel MCU: Prompt fills period for Aromantic Bucky Barnes Fest 2026	click here for details
04/09/2026	07/08/2026	moodthemeinayear (DW)	Fanworks	Medium Mood Theme Track 2 period	click here for details
05/28/2026	07/08/2026	moodthemeinayear (DW)	Fanworks	Minimual Mood Theme Track 4 period	click here for details
03/30/2026	07/12/2026	bethepod (DW)	Podfic	Multifandom: Behind The Pod submission deadline is 7/12	click here for details
03/11/2026	08/15/2026	ds_c6d_bigbang (DW)	Fanworks	due South & related: Author/Creator signups for the 18th annual due South/Canadian Six Degrees Big Bang	click here for details
07/16/2026	08/26/2026	moodthemeinayear (DW)	Fanworks	Minimual Mood Theme Track 5 period	click here for details
08/01/2026	09/01/2026	no_true_pair (DW)	Fanworks	Multifandom: Signup period for No True Pair's Eight Character Full Round. NOTE: You can sign up until the end of the fest (9/28/26) as long as you don't look at the prompts.	click here for details
08/22/2026	10/04/2026	ds_c6d_bigbang (DW)	Fanworks	due South & related: Complementary works creator signups for the 18th annual due South/Canadian Six Degrees Big Bang	click here for details
07/16/2026	10/14/2026	moodthemeinayear (DW)	Fanworks	Medium Mood Theme Track 3 period	click here for details
09/03/2026	10/14/2026	moodthemeinayear (DW)	Fanworks	Minimual Mood Theme Track 6 period	click here for details
10/01/2026	10/31/2026	allbingo (DW)	Fanworks	October's theme is Gothic Bingo Fest	click here for details
01/01/2026	11/30/2026	rewrite_a_fic (DW)	Fanworks	Multifandom: Rewrite an old fic of yours and give it a new look!	click here for details
10/22/2026	12/02/2026	moodthemeinayear (DW)	Fanworks	Minimual Mood Theme Track 7 period	click here for details

NOTE: Here are a few challenge communities that (can) have challenges that (usually) aren't part of the list:

Harry Potter fandom challenges can be found at PotterFests

The Vocab Drabbles Community does weekly challenges

The AU Challenge Community offers multiple AU challenges with no deadlines

The Froday Flash Fiction Challenge has weekly & other challenges

The Fic Promptly Community has daily prompts

The MCU100 Community offers weekly drabble challenges for the MCU fandom

The XMEN100 Community offers weekly drabble challenges for the X-Men fandom

The 10TrueLoves Community offers multifandom character prompts

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Challenge Deadline Directory

WhenIsItDue Master Deadline List