It's kind of exciting to open VROC/iGOR & discover...there is still activity
Trying to find links to all of them...that is left:

Org GPL 1967 Links

oAo here is run in two divisions, D1 & D2 (USA) Vroc/iGor (36/60fps)

UKGPL here are also run in two divisions, Works & privateers (UK) iGor (60fps)

EOLC servers that have run for many years in Vroc (DE) Vroc/iGOR (36/60fps)

F1 Legends (Looks like a good league, unfortunately in conflict with time with other leagues) (France) Vroc

GeLi (Gentlemen's? (Gay) League)...a tough League, race is many laps as close to the real 1967 (DE) Vroc (60fps)

ADC (more info on the way) (?)

GPA (Not friendly with another nationality) (Argentina) iGOR

GPL Brazil (Here you can have great fun) New LINK (Brazil) iGor (36fps)

GPL Portugal (more info on the way) (Portugal) Vroc

Mybroga Motorsports (Good) New LINK (Argentina) Vroc/iGOR (Mod this season)

GBGPL ? (Groundhog) iGOR

PDLR (Good & Fun) (Spain) Vroc/iGOR (36fps)

GPLRACER (Good, but REKO watching you ) (German?) iGOR (36fps)

Clandestines Trophy (Here you can have great fun) GPLBRASIL (Brazil) iGOR (36fps)

F1 Historic Esports League (60fps + Patch test) VROC (Norway)

You can see results from many leagues on this link
...& here is a picture from Clandestines Trophy Championship (started from pole, but finished only )