Hi I would like to know if the badlion client is allowed

I don't know what that is, but if it's a modded client, then no. Only Optifine is allowed in some categories or the mods required for a category (like SkyFactory).

Is the badlion client allowed?

AprilSR

Jeroen

Imaproshaman

VasaLav

Fabian42

Minecraft: Java Edition

zELARiO

FishEyess

nsla

ILikeCuteCats

1.2.1

1.2.2

1.2.3

1.2.4

1.2.5

1.3.1

1.3.2

1.4.2

1.4.4

1.4.5

1.4.6

1.4.7

1.5.1

1.5.2

1.6.1

1.6.2

1.6.4

1.7.2

1.7.4

1.7.5

1.7.9

1.7.10

1.8.1 Easy

Normal

Hard

Hardcore

1.8.2

1.8.3

1.8.4

1.8.5

1.8.6

1.8.7

1.8.8 4 Players

5-9 Players

10+ Players

1.8.9

1.7.6

1.7.7

1.7.8

1.9.1

1.9.2

1.9.3

1.9.4

1.10

1.11.2

1.11

1.12

1.12.1

1.12.2 2 Players

3 Players

1.7.3 Set Seed

Random Seed

1.0-1.6

1.8-1.11

No F3

1.13

1.13.1

1.13.2

1.10.2

1.14

1.14.2

1.14.3

1.14.4

1.15

1.15.1

1.15.2 Pre 1.8

1.13-1.15

Pre 1.9

1.14+

1.9-1.15

Vanilla

Version

Difficulty

Players

Seed Type (Any% Glitchless)

Version Range (AA)

Seed Type (Any%)

Seed Type

Seed Type (Any% Glitchless Peaceful)

Seed Type (AA)

Version Range (AAdv)

Seed Type (AAdv)

Version Range (Any% Glitchless)

Version Range (Any%)

Version Range (Any% RSG Co-op)

Mods

Version Range (Any% Glitchless (Peaceful))

Version Range (Any% (Peaceful))

Version Range (Any% Glitchless (Demo))

Player Count (AAdv Co-op)

Seed/Glitch (AAdv Co-op)

Version Range (AAdv Co-op)

Seed Type (Combined Any%)

Seed Type (Any% Time Travel)

Seed type (Any% Glitchless Co-op)

Splits (Combined Any%)

If you save & quit/close the game at any point during the run, choose External.

Internal/External (Any%)

## Updated Legal Mods

- (**1.20-1.21**) Sodium 0.5.10 for 1.20.1, and Sodium 0.5.9 for 1.20.6 and 1.21 have been added.
- (**1.21**) Krypton 0.2.7 & FabricProxy-Lite 2.8.0 have been marked as compatible with 1.21.
- (**1.3.1-1.16.1**) Extra Options 2.0.0: Moved config storage to a new file outside 

Legal Mods & Extra Options Updates

Updated Legal Mods

Minecraft

Minecraft Speedrunning Questions Thread

Form for requesting custom map / server leaderboards

Are slowruns still allowed?

Piechart bugged

Help With OBS Magnifier

what mods can I use?

Awesomecuber

skylewl

draconix

nwolc

Luminosity

ElRichi

DrGuy

Keima

Winrar

Specnr

AlEmeralds

audioSalix

gaylea

BSRF

luvvlyjude

taffel

Hayley

tildejustin

drip120

the_yuukster

r0hkx

zBlackie_

Leonn

Zeekoe

leto_saa

Olock5

Deadpool

canoeli

HjHome

imightbedamian