| 3 Jan | Ski-Orienteering Meeting |  Switzerland | Europe | S | World Ranking Event | L | |  |
| 4 Jan | Ski-Orienteering Meeting | Switzerland | Europe | S | World Ranking Event | S | | |
| 17 Jan | Schweizer Meisterschaft Ski-OL Kurz | Switzerland | Europe | S | World Ranking Event | S | | |
| 19 Jan - 25 Jan | European Ski Orienteering Championships 2015 | Switzerland | Europe | S | Regional Championships | | | |
| 20 Jan - 21 Jan | World Masters Ski Orienteering Championships 2015 Middle | Switzerland | Europe | S | World Masters | M | | |
| 24 Jan | World Masters Ski Orienteering Championships 2015 Long | Switzerland | Europe | S | World Masters | | | |
| 31 Jan | NM mellom |  Norway | Europe | S | World Ranking Event | M | | |
| 31 Jan | SM-sprintti |  Finland | Europe | S | World Ranking Event | S | | |
| 31 Jan | SM-sprintti, B-finals | Finland | Europe | S | World Ranking Event | S | | |
| 31 Jan | Ceský pohár LOB |  Czech Republic | Europe | S | World Ranking Event | L | | |
| 31 Jan | Norte Alentejano O' Meeting 2015 |  Portugal | Europe | F | World Ranking Event | S | | |
| 1 Feb | Ceský pohár LOB | Czech Republic | Europe | S | World Ranking Event | M | | |
| 1 Feb | Estonian Championships |  Estonia | Europe | S | World Ranking Event | L | | |
| 1 Feb | NM mellom | Norway | Europe | S | World Ranking Event | L | | |
| 7 Feb | XIV Trofeo Costa Blanca |  Spain | Europe | F | World Ranking Event | M | | |
| 8 Feb | II Meeting International de Idanha-a-Nova | Portugal | Europe | F | World Ranking Event | M | | |
| 9 Feb - 15 Feb | Junior World Ski Orienteering Championships 2015 | Norway | Europe | S | World Ranking Event
Junior World Championships | | | |
| 9 Feb - 15 Feb | World Ski Orienteering Championships 2015 | Norway | Europe | S | World Championships
World Ranking Event | | | |
| 16 Feb | Portugal O' Meeting 2015 | Portugal | Europe | F | World Ranking Event | L | | |
| 16 Feb | Portugal O'Meeting 2015 - 2 | Portugal | Europe | F | World Ranking Event | L | | |
| 20 Feb | COMOF 2015 |  Israel | Europe | F | World Ranking Event | L | | |
| 21 Feb | COMOF 2015 | Israel | Europe | F | World Ranking Event | M | | |
| 22 Feb | Minho Orienteering Trophy 2015 | Portugal | Europe | F | World Ranking Event | L | | |
| 27 Feb | Antalya O days |  Turkey | Europe | F | World Ranking Event | M | | |
| 28 Feb | Antalya O days | Turkey | Europe | F | World Ranking Event | L | |  |
| 28 Feb | Ski O Tour 2015 Stage 1 |  Austria | Europe | S | World Ranking Event | S | | |
| 28 Feb | VI Andalucia O Meeting 2015 | Spain | Europe | F | World Ranking Event | S | | |
| 28 Feb | VI Andalucia O Meeting 2015 | Spain | Europe | F | World Ranking Event | M | | |
| 1 Mar | Antaya O days | Turkey | Europe | F | World Ranking Event | S | | |
| 1 Mar | Ski O Tour 2015 Stage 2 | Austria | Europe | S | World Ranking Event | L | | |
| 3 Mar | Ski O Tour 2015 Stage 3 | Austria | Europe | S | World Ranking Event | S | | |
| 4 Mar | Ski O Tour 2015 Stage 4 | Austria | Europe | S | World Ranking Event | L | | |
| 7 Mar | SM-pitkä matka | Finland | Europe | S | World Ranking Event | L | | |
| 7 Mar | XXVII International Trophy Murcia Costa Calida | Spain | Europe | F | World Ranking Event | S | | |
| 21 Mar | Russian Cup |  Russian Federation | Europe | F | World Ranking Event | S | | |
| 21 Mar | Three hills cup |  Bulgaria | Europe | F | World Ranking Event | S | | |
| 21 Mar | Trofeo Internacional Canal de Castilla | Spain | Europe | F | World Ranking Event | L | | |
| 23 Mar - 28 Mar | 53rd World Military Skiing Championship Boden 2015 |  Alvsby IF OK | Europe | S | World Ranking Event | | | |
| 27 Mar | Danish Spring 2015 |  Denmark | Europe | F | World Ranking Event | S | | |
| 28 Mar | Russian Cup | Russian Federation | Europe | F | World Ranking Event | M | | |
| 28 Mar | Danish Spring 2015 | Denmark | Europe | F | World Ranking Event | M | | |
| 29 Mar | Danish Spring 2015 | Denmark | Europe | F | World Ranking Event | L | | |
| 3 Apr | Jan Kjellstrom International Festival of Orienteering Day 1 |  Great Britain | Europe | F | World Ranking Event | S | | |
| 4 Apr | Kurzemes Pavasaris |  Latvia | Europe | F | World Ranking Event | M | | |
| 4 Apr | Jan Kjellstrom International Festival of Orienteering Day 2 | Great Britain | Europe | F | World Ranking Event | M | | |
| 5 Apr | 3 jours de Paques en Alsace |  France | Europe | F | World Ranking Event | L | | |
| 5 Apr | Jan Kjellstrom International Festival of Orienteering Day 3 | Great Britain | Europe | F | World Ranking Event | L | | |
| 5 Apr | MTBO Sprint Italian Championship |  Italy | Europe | M | World Ranking Event | S | | |
| 6 Apr | MTBO Italian Cup | Italy | Europe | M | World Ranking Event | L | | |
| 11 Apr | Nationale | France | Europe | F | World Ranking Event | M | | |
| 11 Apr | 3rd round Italian Sprint Race Tour | Italy | Europe | F | World Ranking Event | S | | |
| 18 Apr | Riga Cup 2015 | Latvia | Europe | F | World Ranking Event | M | | |
| 18 Apr - 24 Apr | World Schools Championship Orienteering 2015 | Turkey | Europe | F | Partner Event | | | |
| 19 Apr | Open Grodno Cup |  Belarus | Europe | F | World Ranking Event | S | | |
| 24 Apr | Jubileumsløpet | Norway | Europe | F | World Ranking Event | S | | |
| 25 Apr | Lørdagskjappen | Norway | Europe | F | World Ranking Event | M | | |
| 25 Apr | Lørdagskjappen - E2 | Norway | Europe | F | World Ranking Event | M | | |
| 25 Apr | Swedish League |  Sweden | Europe | F | World Ranking Event | L | | |
| 25 Apr | Swedish League - E2 | Sweden | Europe | F | World Ranking Event | L | | |
| 25 Apr | Metropolis of South East Europe 2015 |  Serbia | Europe | F | World Ranking Event | L | | |
| 25 Apr | Pavasario Taure (Spring Cup) |  Lithuania | Europe | F | World Ranking Event | M | | |
| 25 Apr | AUSTRIAN SPRINT CHAMPIONSHIP | Austria | Europe | M | World Ranking Event | S | | |
| 26 Apr | Swedish League | Sweden | Europe | F | World Ranking Event | M | | |
| 26 Apr | Swedish League - E2 | Sweden | Europe | F | World Ranking Event | M | | |
| 26 Apr | LONG DISTANCE | Austria | Europe | M | World Ranking Event | L | | |
| 26 Apr | Smaaleneneløpet | Norway | Europe | F | World Ranking Event | L | | |
| 26 Apr | 61. Weinfelden OL | Switzerland | Europe | F | World Ranking Event | S | | |
| 1 May | Targovishte Trophy | Bulgaria | Europe | F | World Ranking Event | S | | |
| 1 May - 3 May | MTB Orienteering World Cup 2015 Round 1 |  Hungary | Europe | M | World Cup
World Ranking Event | | | |
| 1 May | Irish Sprint Championship |  Ireland | Europe | F | World Ranking Event | S | | |
| 2 May | Belgium 3 days & Coupe des Pays Latins |  Belgium | Europe | F | World Ranking Event | M | | |
| 3 May | Targovishte Trophy | Bulgaria | Europe | F | World Ranking Event | L | | |
| 9 May | German Championships Sprint Distance |  Germany | Europe | F | World Ranking Event | S | | |
| 9 May | Russian Cup | Russian Federation | Europe | M | World Ranking Event | S | | |
| 9 May | 3rd Hiiltomiehet MTBO race, EMTBOC Finnish qualification | Finland | Europe | M | World Ranking Event | S | | |
| 9 May | 3rd Hiiltomiehet MTBO race, EMTBOC Finnish qualification | Finland | Europe | M | World Ranking Event | M | | |
| 10 May | Russian Cup | Russian Federation | Europe | M | World Ranking Event | L | | |
| 14 May | Swedish League | Sweden | Europe | F | World Ranking Event | S | | |
| 14 May | Swedish League - E2 | Sweden | Europe | F | World Ranking Event | S | | |
| 14 May | Prisma-rastit | Finland | Europe | F | World Ranking Event | L | | |
| 16 May | Austrian Elite Championship 2015 Middle Distance | Austria | Europe | F | World Ranking Event | M | | |
| 16 May | Championnat de France Moyenne Distance | France | Europe | F | World Ranking Event | M | | |
| 16 May | Latvia MTBO 3-days/ Baltic Championships 2015 | Latvia | Europe | M | World Ranking Event | M | | |
| 17 May | OL-touren with Swedish League | Sweden | Europe | F | World Ranking Event | L | | |
| 17 May | OL-touren with Swedish League - E2 | Sweden | Europe | F | World Ranking Event | L | | |
| 17 May | Schweizer Meisterschaft im sprint-OL | Switzerland | Europe | F | World Ranking Event | S | | |
| 17 May | Italian Middle Championship 2015 | Italy | Europe | F | World Ranking Event | M | | |
| 17 May | Latvia MTBO 3-days/ Baltic Championships 2015 | Latvia | Europe | M | World Ranking Event | L | | |
| 21 May | Prisma-rastit - E2 | Finland | Europe | F | World Ranking Event | L | | |
| 23 May | RUSSIAN CHAMPIONSHIPS | Russian Federation | Europe | F | World Ranking Event | S | | |
| 23 May | Särkänniemi-suunnistus | Finland | Europe | F | World Ranking Event | S | | |
| 24 May | Maccabi Cup 2015 | Hungary | Europe | F | World Ranking Event | M | | |
| 24 May | RUSSIAN CHAMPIONSHIPS | Russian Federation | Europe | F | World Ranking Event | S | | |
| 24 May | SM-keskimatka B1 | Finland | Europe | F | World Ranking Event | M | | |
| 24 May | SM-keskimatka B2 | Finland | Europe | F | World Ranking Event | M | | |
| 24 May | SM-keskimatka B3 | Finland | Europe | F | World Ranking Event | M | | |
| 24 May | SM-keskimatka B4 | Finland | Europe | F | World Ranking Event | M | | |
| 24 May | SM-keskimatka | Finland | Europe | F | World Ranking Event | M | | |
| 27 May | RUSSIAN CHAMPIONSHIPS | Russian Federation | Europe | F | World Ranking Event | M | | |
| 28 May | RUSSIAN CHAMPIONSHIPS | Russian Federation | Europe | F | World Ranking Event | L | | |
| 28 May | Montenegro Adriatic Open |  Montenegro | Europe | F | World Ranking Event | S | | |
| 30 May | Costa Alentejana MTBO Trophy | Portugal | Europe | M | World Ranking Event | M | | |
| 30 May | 4th round Italian Sprint Race Tour | Italy | Europe | F | World Ranking Event | S | | |
| 30 May | Polish Orienteering Championship |  Poland | Europe | F | World Ranking Event | S | | |
| 30 May | DM Sprint 2015 | Denmark | Europe | F | World Ranking Event | S | | |
| 30 May | Czech cup | Czech Republic | Europe | F | World Ranking Event | S | | |
| 31 May | Costa Alentejana MTBO Trophy | Portugal | Europe | M | World Ranking Event | L | | |
| 31 May | 4th round Italian Cup | Italy | Europe | F | World Ranking Event | M | | |
| 3 Jun - 7 Jun | World Cup 2015 Round 2 | Norway
Sweden | Europe | F | World Cup
World Ranking Event | | | |
| 6 Jun | SLO3days |  Slovenia | Europe | F | World Ranking Event | M | | |
| 8 Jun - 14 Jun | European MTB Orienteering Championships 2015 and World Cup 2015 Round 2 | Portugal | Europe | M | Regional Championships
World Cup
World Ranking Event | | | |
| 18 Jun - 21 Jun | United World Games 2015 | Austria | Europe | F | Partner Event | | | |
| 19 Jun | Schiehallion Weekend Day One | Great Britain | Europe | F | World Ranking Event | S | | |
| 20 Jun | Schiehallion Weekend Day Two | Great Britain | Europe | F | World Ranking Event | M | | |
| 20 Jun | Thermenland Open 2015 - Alpe Adria Cup | Austria | Europe | F | World Ranking Event | M | | |
| 21 Jun | Czech Orienteering Championship - Middle distance (final) | Czech Republic | Europe | F | World Ranking Event | M | | |
| 22 Jun - 28 Jun | World Trail Orienteering Championships 2015 |  Croatia | Europe | T | World Championships | | | |
| 25 Jun - 28 Jun | European Youth Orienteering Championship 2015 |  Romania | Europe | F | Regional Championships | | | |
| 26 Jun | Norsk O-Festival sprint | Norway | Europe | F | World Ranking Event | S | | |
| 27 Jun | Romanian Cup | Romania | Europe | F | World Ranking Event | M | | |
| 27 Jun | Huippuliiga | Finland | Europe | F | World Ranking Event | S | | |
| 28 Jun | Transylvania Open | Romania | Europe | F | World Ranking Event | S | | |
| 2 Jul | VM uttak sprint | Norway | Europe | F | World Ranking Event | S | | |
| 4 Jul | 5days MTBO Plzen 2015 | Czech Republic | Europe | M | World Ranking Event | M | | |
| 4 Jul | Kapa 3 days | Latvia | Europe | F | World Ranking Event | M | | |
| 4 Jul | VM uttak lang | Norway | Europe | F | World Ranking Event | L | | |
| 4 Jul - 10 Jul | Junior World Orienteering Championships 2015 | Norway | Europe | F | Junior World Championships | | | |
| 5 Jul | 5days MTBO Plzen 2015 | Czech Republic | Europe | M | World Ranking Event | L | | |
| 18 Jul | Kopaonik open 2015 | Serbia | Europe | F | World Ranking Event | M | | |
| 18 Jul | BikEst 2015/Estonian Championships | Estonia | Europe | M | World Ranking Event | M | | |
| 19 Jul | BikEst 2015/Estonian Championships | Estonia | Europe | M | World Ranking Event | L | | |
| 25 Jul - 1 Aug | World Masters Orienteering Championships 2015 | Sweden | Europe | F | World Masters | | | |
| 25 Jul | Belarus MTBO Championships 2015 | Belarus | Europe | M | World Ranking Event | M | | |
| 26 Jul | Belarus MTBO Championships 2015 | Belarus | Europe | M | World Ranking Event | L | | |
| 31 Jul - 7 Aug | World Orienteering Championships 2015 and World Cup 2015 Round 3 | Great Britain | Europe | F | World Ranking Event
World Championships
World Cup | | | |
| 3 Aug | Tallinn O-week 1st day | Estonia | Europe | F | World Ranking Event | S | | |
| 7 Aug | Tallinn O-week 5th day | Estonia | Europe | F | World Ranking Event | M | | |
| 14 Aug - 23 Aug | Junior World MTB Orienteering Championships 2015 | Czech Republic | Europe | M | World Ranking Event
Junior World Championships | | | |
| 14 Aug - 23 Aug | World MTB Orienteering Championships 2015 and World Cup 2015 Round 3 | Czech Republic | Europe | M | World Championships
World Cup
World Ranking Event | | | |
| 22 Aug | Vojvodina open | Serbia | Europe | F | World Ranking Event | L | | |
| 26 Aug | Simone Niggli Challenge/ Hindelbanker Abend-OL | Switzerland | Europe | F | World Ranking Event | S | | |
| 27 Aug | SEEOC | Bulgaria | Europe | F | World Ranking Event | S | | |
| 28 Aug | SEEOC | Bulgaria | Europe | F | World Ranking Event | L | | |
| 29 Aug | SEEOC | Bulgaria | Europe | F | World Ranking Event | M | | |
| 29 Aug | Danish Championship Middle Distance | Denmark | Europe | F | World Ranking Event | M | | |
| 30 Aug | Schweizer Einzel Meisterschaft über die Langdistanz (LOM) | Switzerland | Europe | F | World Ranking Event | L | | |
| 6 Sep | SM-pitkä matka B1 | Finland | Europe | F | World Ranking Event | L | | |
| 6 Sep | SM-pitkä matka B2 | Finland | Europe | F | World Ranking Event | L | | |
| 6 Sep | SM-pitkä matka B3 | Finland | Europe | F | World Ranking Event | L | | |
| 6 Sep | SM-pitkä matka B4 | Finland | Europe | F | World Ranking Event | L | | |
| 6 Sep | SM-pitkä matka | Finland | Europe | F | World Ranking Event | L | | |
| 12 Sep | Austria Cup | Austria | Europe | F | World Ranking Event | L | | |
| 12 Sep | Czech cup | Czech Republic | Europe | F | World Ranking Event | S | | |
| 13 Sep | Austria Cup | Austria | Europe | F | World Ranking Event | S | | |
| 19 Sep | ASTI OL Weekend 2015 - 6. nazionale | Switzerland | Europe | F | World Ranking Event | M | | |
| 19 Sep | Rousse Cup 2015 | Bulgaria | Europe | F | World Ranking Event | M | | |
| 19 Sep | SM-sprintti | Finland | Europe | F | World Ranking Event | S | | |
| 19 Sep | SM-sprintti B1 | Finland | Europe | F | World Ranking Event | S | | |
| 19 Sep | SM-sprintti B2 | Finland | Europe | F | World Ranking Event | S | | |
| 19 Sep | SM-sprintti B3 | Finland | Europe | F | World Ranking Event | S | | |
| 19 Sep | Trimtex MTBO Cup | Denmark | Europe | M | World Ranking Event | M | | |
| 20 Sep | Trimtex MTBO Cup | Denmark | Europe | M | World Ranking Event | M | | |
| 25 Sep | Euromeeting 2015 sprint | Estonia | Europe | F | World Ranking Event | S | | |
| 26 Sep | Euromeeting 2015 long/ Suunto Games | Estonia | Europe | F | World Ranking Event | L | | |
| 27 Sep | Czech Orienteering Championship - Long distance (final) | Czech Republic | Europe | F | World Ranking Event | L | | |
| 27 Sep | Italian Long Championship 2015 | Italy | Europe | F | World Ranking Event | L | | |
| 27 Sep | Euromeeting 2015 middle/ Suunto Games | Estonia | Europe | F | World Ranking Event | M | | |
| 2 Oct - 4 Oct | World Cup 2015 Round 4 | Switzerland | Europe | F | World Cup
World Ranking Event | | | |
| 18 Oct | 10th National O-Event 2015 / Glarner OL Weekend | Switzerland | Europe | F | World Ranking Event | L | | |
| 24 Oct | 2 Days of North-West Veluwe 2015 |  Netherlands | Europe | F | World Ranking Event | M | | |
| 7 Nov | Roskilde Revanchen | Denmark | Europe | F | World Ranking Event | S | | |
| 26 Nov - 2 Dec | Ski Orienteering World Cup 2015-2016 Round 1 | Finland | Europe | S | World Cup
World Ranking Event | | | |
| 11 Dec | Russian Cup | Russian Federation | Europe | S | World Ranking Event | L | | |
| 12 Dec | Russian Cup | Russian Federation | Europe | S | World Ranking Event | M | | |
| 12 Dec | Sjusjørennet sprint | Norway | Europe | S | World Ranking Event | S | | |
| 13 Dec | Sjusjørennet mellom | Norway | Europe | S | World Ranking Event | M | | |
| 15 Dec | Russian Championships | Russian Federation | Europe | S | World Ranking Event | S | | |
| 16 Dec | Russian Championships | Russian Federation | Europe | S | World Ranking Event | L | | |
| 28 Dec | SYLVESTER5 – DAY 3 – PIJNVEN-NOORD | Belgium | Europe | F | World Ranking Event | M | | |
| 30 Dec | Zuozer Sprint Ski-OL | Switzerland | Europe | S | World Ranking Event | S | | |
