Fandoms The 100 Long

Best Long The 100 Fanfics

The 100 fanfics in the 50k–100k range — full novel length without the multi-week commitment. Curated from AO3 and ranked by kudos.

TV Shows 23 long fics Avg 71,472 words 50,000–100,000 words

Top 23 Long The 100 Fanfics

Ranked by AO3 kudos. Mid-length The 100 fics — 50,000–100,000 words.

1

She

by thefooliam

Her roommate looks at her sometimes and Clarke is never sure if they’re going to kill or kiss each other.  When Clarke Griffin forgets to complete her sophomore year residency application, she returns to college to find that they’ve paired her with the last roommate she ever expected to get. [See ta

24,506 kudos 65,983 words 8/8 chapters Mature Complete
2

break your plans

by saltzpen

Clexa college!AU: in which Clarke grows tired of hearing Octavia and Lincoln’s escapades in the next room, so Lincoln offers her his apartment for study. He fails to mention his heavily tattooed hockey player roommate in the process.

12,006 kudos 92,587 words 14/? chapters Mature
3

This Is Heaven in Hiding

by orangeyouglad8

There's no one Clarke Griffin loves going up against in court more than Lexa Woods. And there's no one Clarke Griffin hates going up against in court more than Lexa Woods. Lexa always knows just how to get a rise out of Clarke, how to ruffle her feathers and make her work for it. Winning against her

11,813 kudos 93,279 words 18/18 chapters Mature Complete
4

blood rush in the hazy glow

by firetestsgold

“The locals aren’t fans of college kids. This is their neighborhood bar. They can get…territorial.”Clarke studies the girl who stopped the fight before it began. Leaning back in her chair in the back of the bar, she's all dark hair and dark eyeliner and dark alcohol. Clarke can see what he’s saying:

10,767 kudos 65,052 words 10/10 chapters Mature Complete
5

Do You Think the Universe Fights for Two Souls to be Together?

by BottomLexa

Lexa gets her tattoo with her soulmate's name before Clarke and is very much confused because "Clarke is a guy's name and I'm not...into guys...?" And Clarke is the new girl in school who thinks the brunette in her history class is very cute. (You can expect fluff and a lot of Clexa).OR Soulmate!AU

8,184 kudos 88,394 words 31/31 chapters Mature Complete
6

i sing the body electric

by nightshifted

"I came for the music," Anya will say, years down the line, "but music... music is just a vessel. I stayed for the people."

8,059 kudos 83,881 words 6/7 chapters Explicit
7

Alternate POV Fics

by Chash

I asked Tumblr for prompts to do scenes from my fics from alternate POVs, and I'm putting what I do up here, in case anyone who does not follow me on Tumblr wants to read them.

5,183 kudos 51,286 words 21/21 chapters Mature Complete
8

A Light That's Keeping Us Forever

by enoughtotemptme

Part One: Clarke and Bellamy and the Sunday New York Times crossword puzzle.Part Two: Bellamy has been tense and Clarke decides the best way for him to relieve stress is by giving him a massage.Part Three: Snapchat. (A collection of tumblr prompt fics.)

4,662 kudos 91,730 words 51/51 chapters Explicit Complete
9

Three Months

by virginiasoil

Clarke moves to the big city for her residency and rents a room from Octavia Blake. What was supposed to be a 3 month rental agreement turns into much more as she makes new friends, struggles to move away from her past, and meets one very grumpy soldier.

4,082 kudos 84,189 words 18/18 chapters Mature Complete
10

Legends

by aos_skimmons

“Who’s that?” Clarke asked. Octavia glanced in Clarke’s line of sight. “That is Lexa Woods.”“Is she a daughter of Aphrodite too?” Octavia barked out a laugh and shook her head. Clarke felt her cheeks flush. “No. She’s a daughter of Athena.”“Oh.” Clarke said, still blushing furiously. “Don’t worry.

3,454 kudos 63,546 words 5/5 chapters Teen And Up Audiences Complete
11

Start of Something New

by RedBeautyFTW

Clexa College AU. Clarke meets Octavia’s new lacrosse teammate and immediately finds herself attracted to her. Lexa hasn’t dated in a long time, but meeting Clarke Griffin has made her rethink her dating decisions.

2,829 kudos 58,043 words 16/16 chapters Teen And Up Audiences Complete
12

I think that I've found myself a cheerleader

by flazedamn

Clarke begins college and quickly finds herself flirting with the star striker and Octavia's teammate for the college's soccer team. Also snippets of Octavia/Raven relationship.

2,460 kudos 74,941 words 27/27 chapters Mature Complete
13

I Can Feel It Now

by avengerskye

Lexa never thought that a field trip to the museum would change her senior year of High School. What started as the worst day of her life would soon become the beginning of a wonderful year.

2,453 kudos 74,656 words 50/50 chapters Not Rated Complete
14

Are You A Kidnapper? (Because You Abducted My Heart)

by 707

"If you don't stop we're never going to leave this room," Lexa pants, biting back a groan. "And I swear I will like you even less if Cage gets angry at us again.""Mmm..." Clarke agrees, licking down the smooth expanse of Lexa's stomach. "Too bad you already hate me, right?"orthe Abduction AU where C

2,275 kudos 71,246 words 10/10 chapters Explicit Complete
15

You've Got Mail (She Loves Me)

by orangeyouglad8

What happens when big, bad, Fox Books opens up around the corner from the small, hipster, Arkadia Books? A Clexa spin on the classic You've Got Mail. Business rivals turned...?

2,221 kudos 50,210 words 30/30 chapters Mature Complete
16

Of Zombies And Meet-Cutes

by TheOneAndOnlyMegan

After Clarke wakes up in the waiting room of a hospital, she discovers the world isn't quite how she remembers it. Namely, there are now zombies roaming the streets, and the wold's gone to shit.Might be better than it sounds, why don't you try it and find out?*Title Credit To:TheDuchessUnseen

894 kudos 67,568 words 22/? chapters Teen And Up Audiences
17

It’s Just Business (or is it?)

by AriasSilva

Lexa Woods is the CEO of Trikru International, the world’s leading import/export company. Raised from birth to be a cold hearted business woman, the mantra ‘emotions are weakness’ guides her life. Clarke Griffin is the daughter of Jake and Abby Griffin, the founders and owners of Arkadia Medical. Cl

462 kudos 77,796 words 27/30 chapters Mature
18

Mrs. And Mrs. Maybe

by Lex_Inkarnate

Lexa must convince her runaway Vegas wife to return and save the family farm from corporate developers. Six months to turn a drunken mistake into something real—or lose everything.

434 kudos 62,140 words 28/30 chapters General Audiences
19

Darkest Before the Dawn

by Athena02

When betrayal and war come to Polis and Arkadia, everything Clarke Griffin and Heda Lexa know is threatened. The Grounder Civil War erupts in all its terrible glory and intrigue, and Arkadia is deep within the grip of ALIE, as two factions battle for their different visions of the future of The Thi

184 kudos 74,584 words 18/18 chapters Mature Complete
20

Fly on the Wall: Bellamy Blake x Reader

by RinneganTenTen

Y/n was used to being an observer in the background, going unnoticed being a fly on the wall. That is, until she became one of the 100 sent to the ground. Now she has to step out of her usual role as a side character and become what the 100 needs to survive, all while Bellamy Blake is giving her a r

177 kudos 55,838 words 29/? chapters Not Rated
21

All Our Yesterdays

by enigmaticagentscully

The year is 2156, and the war for Shallow Valley is over – as humanity counts its dead and missiles speed down to obliterate the last green place on Earth, Marcus Kane lies bleeding to death, closing his eyes for the final time surrounded by the ruins of everything he worked so hard to build.But whe

72 kudos 72,707 words 12/12 chapters Teen And Up Audiences Complete
22

Double or Nothing

by cinnamonfox4949

"Tell the Commander... if she dies while you're gone, I'm taking the tower. It’s nothing personal." "She isn't going to die," Clarke says firmly. She exits the room, passing Echo without a word. OR They saved the world. Unfortunately, the world didn't get the memo.

50 kudos 55,814 words 6/? chapters Teen And Up Audiences
23

War Between Us

by Bria_writesxo

When two stars collide, they either join as one or fall in fire, killing everyone in reach. ⟢ ── ⋆⋅☆⋅⋆ ── ˙⋆✮ Bellamy Blake has officially met his match. Read along to see how Bellamy and Lilith collide. Will they fall in fire or join together?

38 kudos 68,389 words 27/? chapters Mature

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About This List

71,246
median words
65%
complete
24,506
top kudos
~4.8 hours
median read time

This list of 23long The 100 fanfics spans 1,643,859 total words. Kudos range from 38 on the newest entries to 24,506 on the most established. 65% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (12 of 23 fics).

Recurring tags across this list: Alternate Universe - Modern Setting · Slow Burn · Alternate Universe - College/University · Fluff · Angst.

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