National cyclocross championships 2018-2019 season by country, date and venue, as listed in the UCI calendar on Dec 18th 2018.
This is essentially just a copy-paste from the official UCI cyclocross calendar with no further processing. Please check there or the national federation site for updates or other information. (I will do a new copy-paste occasionally.)
| Country | Name | Venue | Date From | Date To | WebSite |
| AUSTRIA | Austrian National Championships | Wien | 12/01/2019 | 12/01/2019 | www.radsportverband.at |
| BELGIUM | Belgian National Championships | Kruibeke | 12/01/2019 | 13/01/2019 | www.belgiancycling.be |
| CROATIA | Croatian national championships | Pula | 13/01/2019 | 13/01/2019 | |
| CZECH REPUBLIC | Czech National Championships – ME, WE | Hole Vrchy | 12/01/2019 | 12/01/2019 | wwww.cyklokros.cz |
| DENMARK | Danish National Championships | Odense | 13/01/2019 | 13/01/2019 | www.CYKLINGODENSE.DK |
| FRANCE | French National Championships | Besançon | 12/01/2019 | 13/01/2019 | www.ffc.fr |
| GERMANY | German National Championships | Kleinmachnow | 12/01/2019 | 13/01/2019 | |
| GREAT BRITAIN | British National Championships | Cyclopark, Gravesend | 12/01/2019 | 13/01/2019 | www.britishcycling.org.uk |
| HUNGARY | Hungarian national championships | Miskolc | 13/01/2019 | 13/01/2019 | |
| IRELAND | Irish National Championships | Munster | 12/01/2019 | 13/01/2019 | www.offroadcyclingireland.ie |
| ITALY | Italian National Championships | MILANO – IDROSCALO | 12/01/2019 | 13/01/2019 | http://ciclocross.federciclismo.it/it/ |
| LUXEMBOURG | Luxembourg National Championships | Brouch | 12/01/2019 | 13/01/2019 | www.fscl.lu |
| NETHERLANDS | Dutch National Championships | Huijbergen | 12/01/2019 | 13/01/2019 | www.wchuijbergen.nl |
| POLAND | Polish National Championships | Strzelce Krajenskie | 12/01/2019 | 13/01/2019 | |
| PORTUGAL | Portugese National Championships | Marrazes – Leiria | 12/01/2019 | 13/01/2019 | www.fpciclismo.pt |
| ROMANIA | Romania National Championships | Sibiu | 22/12/2018 | 22/12/2018 | http://www.federatiadeciclism.ro/ |
| SPAIN | Spanish National Championships | Pontevedra | 11/01/2019 | 13/01/2019 | |
| SWEDEN | Swedish National Championships | Varberg | 12/01/2019 | 13/01/2019 | www.varbergsmtb.com |
| SWITZERLAND | Swiss National Championships | Sion | 13/01/2019 | 13/01/2019 | www.cyclophilesedunois.ch |