| w 15 | 14 Apr | Jan Kjellstrom 2017 Sprint |  Great Britain | Europe | F | World Ranking Event | S | |  |
| Oceania Orienteering Championships - Sprint |  New Zealand | Oceania | F | Regional Championships | S | | |
| 15 Apr | Velikden Cup Sprint |  Bulgaria | Europe | F | World Ranking Event | S | | |
| Spanish Orienteering Championship 2017 |  Spain | Europe | F | World Ranking Event | S | | |
| Oceania Orienteering Championships - Long | New Zealand | Oceania | F | Regional Championships | L | | |
| Jan Kjellstrom 2017 Middle Distance | Great Britain | Europe | F | World Ranking Event | M | | |
| 16 Apr | Velikden Cup Middle | Bulgaria | Europe | F | World Ranking Event | M | | |
| Oceania Orienteering Championships - Relay | New Zealand | Oceania | F | Regional Championships | R | | |
| Jan Kjellstrom 2017 Long Distance | Great Britain | Europe | F | World Ranking Event | L | | |
| w 16 | 17 Apr | Oceania Orienteering Championships - Middle | New Zealand | Oceania | F | Regional Championships | M | | |
| Riga Orienteering Sprint — Easter Prize 2017 |  Latvia | Europe | F | World Ranking Event | S | | |
| 18 Apr | |
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| 22 Apr | Riga Cup 2017 | Latvia | Europe | F | World Ranking Event | M | | |
| Championnat de France de Moyenne Distance |  France | Europe | F | World Ranking Event | M | | |
| Metropolis of South East Europe 2017 |  Serbia | Europe | F | World Ranking Event | M | | |
| DM Sprint |  Rold Skov OK | Europe | F | World Ranking Event | S | | |
| 23 Apr | World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| Swedish League |  Sweden | Europe | F | World Ranking Event | L | | |
| FinnSpring |  Finland | Europe | F | World Ranking Event | L | | |
| Open Grodno Cup 2017 |  Belarus | Europe | F | World Ranking Event | M | | |
| w 17 | 24 Apr | World Schools Championship Orienteering 2017, long distance |  Italy | Europe | F | Partner Event | L | | |
| World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| Open Grodno Cup 2017 | Belarus | Europe | F | World Ranking Event | S | | |
| 25 Apr | World Schools Championship Orienteering 2017, team event (score relay) | Italy | Europe | F | Partner Event | S | | |
| World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| 26 Apr | World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| 27 Apr | World Schools Championship Orienteering 2017, middle distance | Italy | Europe | F | Partner Event | M | | |
| World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| 28 Apr | World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| 29 Apr | World Masters Orienteering Championships 2017 | New Zealand | Oceania | F | World Masters | | | |
| Pavasario Taure (Spring Cup) |  Lithuania | Europe | F | World Ranking Event | M | | |
| 30 Apr | Pavasario Taure (Spring Cup) | Lithuania | Europe | F | World Ranking Event | L | | |
| w 18 | 1 May | Ilves-3 2017 |  Estonia | Europe | F | World Ranking Event | M | | |
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| 6 May | Latvian Sprint Tour / Latvian Chanpionships | Latvia | Europe | F | World Ranking Event | S | | |
| I TROFEO SAN LORENZO DEL ESCORIAL | Spain | Europe | F | World Ranking Event | S | | |
| Ukrainian Championships |  Ukraine | Europe | F | World Ranking Event | M | | |
| 7 May | Austrian Championship Sprint |  Austria | Europe | F | World Ranking Event | S | | |
| Czech Orienteering Championship 2017- sprint |  Czech Republic | Europe | F | World Ranking Event | S | | |
| w 19 | 8 May | |
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| 9 May | |
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| 11 May | |
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| 12 May | RUSSIAN CUP |  Russian Federation | Europe | M | World Ranking Event | S | | |
| Swedish League | Sweden | Europe | F | World Ranking Event | S | | |
| 13 May | RUSSIAN CUP | Russian Federation | Europe | M | World Ranking Event | M | | |
| Swedish League | Sweden | Europe | F | World Ranking Event | M | | |
| 14 May | Latvian Championships (Long) | Latvia | Europe | F | World Ranking Event | L | | |
| RUSSIAN CHAMPIONSHIPS | Russian Federation | Europe | F | World Ranking Event | S | | |
| w 20 | 15 May | |
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| 18 May | |
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| 19 May | |
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| 20 May | Baltic orienteering championship | Lithuania | Europe | F | World Ranking Event | L | | |
| Czech Cup | Czech Republic | Europe | F | World Ranking Event | S | | |
| 21 May | Middle distance Finnish Championships | Finland | Europe | F | World Ranking Event | M | | |
| w 21 | 22 May | |
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| 24 May | 2017 South China Historical Road Orienteering Championships |  Guangdong Sport Bureau | Asia | FM | National Event | | | |
| Orienteering World Cup Round 1 | Finland | Europe | F | World Cup | | | |
| 25 May | Orienteering World Cup Round 1 | Finland | Europe | F | World Cup | | | |
| 26 May | Orienteering World Cup Round 1 | Finland | Europe | F | World Cup | | | |
| 27 May | Orienteering World Cup Round 1 | Finland | Europe | F | World Cup | | | |
| 5th Hiiltomiehet MTBO race | Finland | Europe | M | World Ranking Event | S | | |
| 5th Hiiltomiehet MTBO race | Finland | Europe | M | World Ranking Event | M | | |
| 28 May | Orienteering World Cup Round 1 | Finland | Europe | F | World Cup | | | |
| w 22 | 29 May | |
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| 31 May | World Military Summer Games |  International Orienteering Federation | | F | Partner Event | | | |
| 1 Jun | |
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| 2 Jun | MTB Orienteering World Cup Round 1 | Austria | Europe | M | World Cup | | | |
| 3 Jun | MTB Orienteering World Cup Round 1 | Austria | Europe | M | World Cup | | | |
| FIF Pinseweekend Sprint |  Denmark | Europe | F | World Ranking Event | S | | |
| 4 Jun | MTB Orienteering World Cup Round 1 | Austria | Europe | M | World Cup | | | |
| FIF Pinseweekend Mellem | Denmark | Europe | F | World Ranking Event | M | | |
| w 23 | 5 Jun | MTB Orienteering World Cup Round 1 | Austria | Europe | M | World Cup | | | |
| Norgescup mellom |  Norway | Europe | F | World Ranking Event | M | | |
| 6 Jun | |
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| 9 Jun | |
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| 10 Jun | Latvia MTBO 3-days 2017 | Latvia | Europe | M | World Ranking Event | M | | |
| Italian Sprint Championship | Italy | Europe | F | World Ranking Event | S | | |
| 11 Jun | Latvia MTBO 3-days 2017 | Latvia | Europe | M | World Ranking Event | L | | |
| Czech Orienteering Championship 2017 - middle distance | Czech Republic | Europe | F | World Ranking Event | M | | |
| Italian Middle Championship | Italy | Europe | F | World Ranking Event | M | | |
| w 24 | 12 Jun | World Military Orienteering Championships | International Orienteering Federation | | F | World Ranking Event | | | |
| 13 Jun | World Military Orienteering Championships | International Orienteering Federation | | F | World Ranking Event | | | |
| 14 Jun | World Military Orienteering Championships | International Orienteering Federation | | F | World Ranking Event | | | |
| 15 Jun | World Military Orienteering Championships | International Orienteering Federation | | F | World Ranking Event | | | |
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| 17 Jun | Alpe Adria Orienteering Cup - middle |  Slovenia | Europe | F | World Ranking Event | M | | |
| 18 Jun | Alpe Adria Orienteering Cup - long | Slovenia | Europe | F | World Ranking Event | L | | |
| w 25 | 19 Jun | RUSSIAN EVENTS Karelian Isthmus | Russian Federation | Europe | F | World Ranking Event | S | | |
| 20 Jun | RUSSIAN EVENTS Karelian Isthmus | Russian Federation | Europe | F | World Ranking Event | M | | |
