| 2019 | ||
| 31 July | Scottish 6-Days TrailO, Drummond Castle, Crieff. Info on S6D website | |
| 26 August | British TrailO Champs. + 'Standard' course, Scarborough (linked with White Rose w/e). Info here | |
| 13-15 September | ECTO+WRE | Polish TrailO Championships, Wlen, Poland. TempO + PreO |
| 5-6 October | ECTO+WRE | Nordic Match, Landvetter, close to Gøteborg airport, Sweden. Night PreO + 2 x PreO |
| 12-13 October | WRE | Bukowa Cup, Poland. PreO + TempO |
| 29 Nov- 2 Dec | First Asian TrailO Championships, Hong Kong (PreO + TempO Q & F + Relay) | |
| 2020 | ||
| early November | World TrailO Championships, Hong Kong | |
| 2021 | ||
| 20-24 July | World TrailO Championships, Poland |
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)