Algicosathlon

 Algicosathlon (a portmenteau of Algodoo and Icosathlon) is an Algodoo competition consisting of 20 events and the successor to Algodecathlon.

The first Algicosathlon was made by carykh on November 18th 2012. It was titled, "Algicosathlon Day 1". The series has amassed a total of 21,550,753 views as of March 29th 2021.

Over 1 million:

 * carykh
 * Jack Spero
 * Erikfassett
 * Sc9849
 * Algorox
 * LucidSigma

100 thousand to 1 million:

 * Pokpower8 (LeanOnMe)
 * Lvii
 * Minecraft Iron Axe
 * David Rycan
 * John Dubuc
 * Algobelt Official
 * Super Hyper Guy
 * Dancingfb18
 * Feramersi 0
 * Yellow Pancake
 * Marble Race (I guess?)
 * Alvoodoo
 * MrBsouth
 * LucCaLgi
 * TanClubstep8205
 * Mathew Seng Music
 * Luka Djokovic
 * KorZen
 * HexBlue
 * Marble Racing
 * NotScotish
 * NavyBlueCyanSky
 * SomeoneWho?
 * MLM33
 * Star Mapping / Racing

1 to 100 thousand:

 * Uki TM
 * Edotty Skylines Nexus
 * Fire&Ice89

Trivia

 * Most Algicosathlon creators also create marble races.
 * When Cary made his first Algicosathlon, he chose Race To The Bowl as his first event. This would inspire other makers, who would also follow this tradition in their own Algicosathlon series.