2021   P = PreO, T = TempO in fixtures entries below
17-18 April WRE Rak TrailO, Slovenia  2 x P. Details here
23-25 April WRE Falco Cup, Rykantai, Lithuania  T + P. Details here
9-10 May WRE TRaVilO, Finland  T + P. Details here
12-16 May   European TrailO Championships 2020, Espoo, Finland  P + T. Details here
3-4 July WRE Pre-WTOC 2022, Zakupy, Czech Republic  P + T. Details here
20-24 July   World TrailO Championships, Poland  P + T. Details here
4 Sept   Baltic Coast event, St. Petersburg, Russia, no other details yet
18-19 Sept WRE Nordic Match, Løten, Norway  2P + T
23-24 Oct WRE Slovak TrailO weekend, Slovakia  T + P. Details here
7 Nov (provis.)   EBOR Sprint P, near York
6-7 Nov WRE Rome O-Festival, Italy  P + T. Details here
18-19 Dec WRE Hong Kong TrailO Championships, Hong Kong China  P + T.
     
2022    
2-6 July   World TrailO Championships, Zakupy, Czech Republic. Details, bulletin 1, here
3-7 August   European TrailO Championships, Turku, Finland

WRE = IOF World Ranking Event

ECTO = European Cup in TrailO

The following events usually have one or more TrailO competitions along with FootO competitions:

Portugal O-meet, February (PreO)

Lipica Open, Slovenia (PreO)

JK, Easter weekend (TempO + PreO)

British Orienteering Championships and British TrailO Championships (PreO) on the same weekend, same venue

Wawel Cup, Poland, July (PreO)

Swedish O-Ringen, July (5 x PreO)

Scottish 6-Days, July-August (PreO)

Hungaria Cup, August (4 x PreO)

Cerkno Cup, Slovenia, August (PreO)

White Rose Weekend, August (PreO)