| 4 Jan | SkidO, OBS-tävling |  Sweden | Europe | S | World Ranking Event | M | |  |
| 5 Jan | SkidO, OBS-tävling | Sweden | Europe | S | World Ranking Event | L | | |
| 11 Jan | O-treff sprint |  Norway | Europe | S | World Ranking Event | M | | |
| 25 Jan | SKi-O Ramsau |  Austria | Europe | S | World Ranking Event | L | | |
| 25 Jan | Norte Alentejano O' Meeting - Sprint |  Portugal | Europe | F | World Ranking Event | S | | |
| 26 Jan | SKi-O Ramsau | Austria | Europe | S | World Ranking Event | M | | |
| 26 Jan | Norte Alentejano O' Meeting - Middle | Portugal | Europe | F | World Ranking Event | M | | |
| 1 Feb | Premi Comunitat Valenciana El Pinos |  Spain | Europe | F | World Ranking Event | L | | |
| 2 Feb | Premi Comunitat Valenciana El Pinos | Spain | Europe | F | World Ranking Event | M | | |
| 14 Feb | Championship of Russia |  Russian Federation | Europe | S | World Ranking Event | S | | |
| 15 Feb | Championship of Russia | Russian Federation | Europe | S | World Ranking Event | M | | |
| 15 Feb | NM mellom | Norway | Europe | S | World Ranking Event | M | | |
| 15 Feb | Maximus O-Meeting (Middle) | Spain | Europe | F | World Ranking Event | M | | |
| 15 Feb | Maximus O-Meeting (Sprint) | Spain | Europe | F | World Ranking Event | S | | |
| 16 Feb | Maximus O-Meeting (Long) | Spain | Europe | F | World Ranking Event | L | | |
| 20 Feb - 26 Feb | Junior World Ski Orienteering Championships 2020 | Sweden | Europe | S | Junior World Championships
World Ranking Event | | | |
| 20 Feb - 26 Feb | Ski Orienteering World Cup 2020 | Sweden | Europe | S | World Cup
World Ranking Event | | | |
| 21 Feb | Antalya Training Competitions |  Turkey | Europe | F | World Ranking Event | L | | |
| 22 Feb | Antalya Training Competitions | Turkey | Europe | F | World Ranking Event | M | | |
| 22 Feb | Israel Open 2020 - day2 |  Israel | Europe | F | World Ranking Event | | | |
| 23 Feb | Antalya Training Competitions | Turkey | Europe | F | World Ranking Event | S | | |
| 23 Feb | Portugal O Meeting 2020 | Portugal | Europe | F | World Ranking Event | L | | |
| 29 Feb | XXXII MURCIA COSTA CÁLIDA | Spain | Europe | F | World Ranking Event | L | | |
| 29 Feb | XXXII MURCIA COSTA CÁLIDA | Spain | Europe | F | World Ranking Event | S | | |
| 29 Feb | Meeting Internacional de Orientação de Arraiolos 2020 | Portugal | Europe | F | World Ranking Event | M | | |
| 1 Mar | XXXII MURCIA COSTA CÁLIDA | Spain | Europe | F | World Ranking Event | M | | |
| 7 Mar | Málaga Capital Europea del Deporte 2020 | Spain | Europe | F | World Ranking Event | S | | |
| 8 Mar - 15 Mar | European Ski Orienteering Championships 2020 | Russian Federation | Europe | S | Regional Championships
World Cup
World Ranking Event | | | |
| 8 Mar | Málaga Capital Europea del Deporte 2020 | Spain | Europe | F | World Ranking Event | S | | |
| 4 Apr | Kurzemes Pavasaris (Middle) |  Latvia | Europe | F | World Ranking Event | M | | |
| 8 Aug | Finnish TrailO Championships - PreO |  Finland | Europe | T | World Ranking Event | P | | |
| 9 Aug | Finnish TrailO Championships - Tempo | Finland | Europe | T | World Ranking Event | T | | |
| 21 Aug | Grano Games, Sprint-O | Finland | Europe | F | World Ranking Event | S | | |
| 29 Aug - 30 Aug | Finnish Championship Middle Distance | Finland | Europe | F | World Ranking Event | M | | |
| 29 Aug | Test race II |  Switzerland | Europe | F | World Ranking Event | L | | |
| 29 Aug | Belarus Sprint Orienteering Championships |  Belarus | Europe | F | World Ranking Event | S | | |
| 30 Aug | 8. Nationaler OL (Middle) | Switzerland | Europe | F | World Ranking Event | M | | |
| 6 Sep | Schweizermeisterschaft Sprint OL (Sprint) | Switzerland | Europe | F | World Ranking Event | S | | |
| 11 Sep | EMTBOC Open WRE Finland 2020 - Sprint | Finland | Europe | M | World Ranking Event | S | | |
| 12 Sep | EMTBOC Open WRE Finland 2020 - Middle | Finland | Europe | M | World Ranking Event | M | | |
| 12 Sep | Finnish Championship Long Distance | Finland | Europe | F | World Ranking Event | L | | |
| 12 Sep | Campionato Italiano Sprint |  Italy | Europe | F | World Ranking Event | S | | |
| 13 Sep | Schweizermeisterschaft Landgdistanz OL | Switzerland | Europe | F | World Ranking Event | L | | |
| 13 Sep | Campionato Italiano Long Distance | Italy | Europe | F | World Ranking Event | L | | |
| 13 Sep | DM Lang |  Denmark | Europe | F | World Ranking Event | L | | |
| 19 Sep | Finnish Championships in Sprint Orienteering | Finland | Europe | F | World Ranking Event | S | | |
| 26 Sep | Suunto Games in Estonia |  Estonia | Europe | F | World Ranking Event | L | | |
| 27 Sep | Suunto Games in Estonia | Estonia | Europe | F | World Ranking Event | M | | |
| 4 Oct | Beograd-Open-2020 |  Serbia | Europe | F | World Ranking Event | S | | |
| 4 Oct | Campionato Italiano Middle | Italy | Europe | F | World Ranking Event | M | | |
| 10 Oct | Siben Trail-O Cup 2020 | Italy | Europe | T | World Ranking Event | T | | |
| 11 Oct | Siben Trail-O Cup 2020 | Italy | Europe | T | World Ranking Event | P | | |
| 17 Oct | FinTrailO TempO | Finland | Europe | T | World Ranking Event | T | | |
| 18 Oct | FinTrailO PreO | Finland | Europe | T | World Ranking Event | P | | |
| 18 Oct | Coppa Italia Long Distance 12^ pr. | Italy | Europe | F | World Ranking Event | L | | |
| 24 Oct | Championnat de France de Sprint |  France | Europe | F | World Ranking Event | S | | |
| 1 Nov | Metropolis of South East Europe 2020 | Serbia | Europe | F | World Ranking Event | M | | |
| 17 Dec | Championship of Russia | Russian Federation | Europe | S | World Ranking Event | L | | |
| 18 Dec | Championship of Russia | Russian Federation | Europe | S | World Ranking Event | M | | |
