Here is a non exhaustive list of the road racing circuits.
Update 02/01/2019: list of circuits where there have been Road Races over the past few years. Some are not held every year but may come back.
For the 2019 CALENDAR it’s here
List is by geographical area, and in each area, in alphabetical order (except IRRC).
Armoy Road Races (Armoy – co. Antrim)
Bush Road Races (Dungannon – co. Tyrone)
Cookstown 100 (Cookstown- co. Tyrone)
Enniskillen Road Races (Enniskillen – Co. Fermanagh)
Mid-Antrim 150 (Clough – Ballymena – Co. Antrim)
Northwest 200 (Coleraine-Portrush-Porststewart- co. Antrim)
Tandragee 100 (Tandragee- co. Armagh)
International Ulster GP, Dundrod (co. Antrim)
REPUBLIC OF IRELAND
Faugheen 50 Road Race (Faugheen- co. Tipperary)
Kells Road Race (Crossakiel- co. Meath)
Killalane – (Dublin)
Munster 100 (Glanmire, co. Cork)
Skerries 100 (Dublin)
Walderstown “Race of the South” (co. Westmeath)
ISLE OF MAN
Isle of Man TT & Manx Grand Prix
“Southern 100” – Billown circuit
OLIVER’S MOUNT CIRCUIT – SCARBOROUGH (North Yorkshire – England)
Barry Sheene Classic
WELSH ROAD RACE – Mynydd Eppynt Circuit – (Wales)
IRRC – International Road Racing Championship
The IRRC Championships also can have different circuits from one year to another. In 2016 was added Imatra Circuit in Finland. Other circuits may disappear. Please refer to the corresponding year calendar.
Varsselring, Hengelo, The Netherlands
Paalgraven, Oss, The Netherlands
Nordzee Omloop, Oostende, Belgium
Circuit de Chimay, Chimay, Belgium
Frohburger Dreieck, Frohburg, Germany
Imatranajo – Imatra – Finland
Circuit 300 curves of Gustav Havel, Horiçe, Czech Republic
Terlicko – Czech Republic
OTHER CZECH ROAD RACING CIRCUITS (no IRRC)
Thanks to Eva Koňáková from Eva-moto for all the information, and for allowing me to use her circuits maps.
Dymokurský okruh, Dymokury
SLOVAKIAN ROAD RACING CIRCUITS
Kopčanský motookruh, Kopčany
Velká cena Piešťan, letiště Piešťany
When European season is over, you can still go to:
Macau GP – Macau – China
Cemetery Circuit – Wanganui – New Zealand
Invercargill Street Race – (Burt Munro Challenge) – New Zealand
If you know about any other road race, please feel free to contact me! Website or facebook links and maps would be very useful to complete the list!
This list doesn’t include circuits holding only Classic bikes races and modern 125cc races, this would make the task a little bit too complicated. Sorry.