| 29 Mar | 1. National Event - Middel distance |  Switzerland | Europe | F | World Ranking Event | L | |  |
| 29 Mar | NC sprint |  Norway | Europe | F | World Ranking Event | S | | |
| 29 Mar | Coppa Italia Sprint |  Italy | Europe | F | World Ranking Event | S | | |
| 30 Mar | NC mellom | Norway | Europe | F | World Ranking Event | M | | |
| 30 Mar | Coppa Italia Sprint | Italy | Europe | F | World Ranking Event | S | | |
| 4 Apr - 6 Apr | Central European Youth Orienteering Cup 2025 |  Slovakia | Europe | F | Partner Event | | | |
| 5 Apr | Czech O-Tour |  Czechia | Europe | F | World Ranking Event | S | 26/3 | |
| 5 Apr | Hungarian TrailO weekend |  Hungary | Europe | T | World Ranking Event | T | 2/4 | |
| 5 Apr | Deutsche Meisterschaft Sprint-OL |  Germany | Europe | F | World Ranking Event | S | 2/4 | |
| 5 Apr | Kurzemes Pavasaris (Day1, Middle) |  Latvia | Europe | F | World Ranking Event | M | | |
| 5 Apr | OPAA CUP - Sprint | Italy | Europe | M | World Ranking Event | S | 2/4 | |
| 6 Apr | Hungarian TrailO weekend | Hungary | Europe | T | World Ranking Event | P | 2/4 | |
| 6 Apr | Voždovac sprint kup 2025 |  Serbia | Europe | F | World Ranking Event | S | 3/4 |  |
| 6 Apr | OPAA CUP - Italian Championships Middle distance | Italy | Europe | M | World Ranking Event | M | 2/4 | |
| 6 Apr | DM Ultralang |  Denmark | Europe | F | World Ranking Event | L | 1/4 | |
| 12 Apr | Polish Championships |  Poland | Europe | M | World Ranking Event | S | | |
| 12 Apr | Spring Cup 2025 |  Lithuania | Europe | F | World Ranking Event | M | 7/4 | |
| 13 Apr | Spring Cup 2025 | Lithuania | Europe | F | World Ranking Event | L | 7/4 | |
| 13 Apr | 3. National Event - Middle distance | Switzerland | Europe | F | World Ranking Event | M | 31/3 | |
| 13 Apr | Polish Championships | Poland | Europe | M | World Ranking Event | L | | |
| 18 Apr | New Zealand Orienteering Championships Sprint |  New Zealand | Oceania | F | World Ranking Event | S | | |
| 18 Apr | JK 2025 |  Great Britain | Europe | F | World Ranking Event | S | | |
| 18 Apr | Hungarian Selection Races - Sprint | Hungary | Europe | F | World Ranking Event | S | 6/4 | |
| 19 Apr | New Zealand Orienteering Championships Middle | New Zealand | Oceania | F | World Ranking Event | M | | |
| 19 Apr | Day 1, Australian 3 Day |  Australia | Oceania | F | World Ranking Event | M | | |
| 19 Apr | Nationale Moyenne Distance |  France | Europe | M | World Ranking Event | M | 9/4 | |
| 19 Apr | JK 2025 | Great Britain | Europe | F | World Ranking Event | M | | |
| 19 Apr | Hungarian Selection Races - Middle | Hungary | Europe | F | World Ranking Event | M | 6/4 | |
| 20 Apr | New Zealand Orienteering Championships Long | New Zealand | Oceania | F | World Ranking Event | L | | |
| 20 Apr | Day 2, Australian 3 Day | Australia | Oceania | F | World Ranking Event | L | | |
| 20 Apr | JK 2025 | Great Britain | Europe | F | World Ranking Event | L | | |
| 20 Apr | Hungarian Selection Races - Long | Hungary | Europe | F | World Ranking Event | L | 6/4 | |
| 21 Apr | Lieldienu balva | Latvia | Europe | F | World Ranking Event | KS | | |
| 21 Apr | Championnat de France Mass Start | France | Europe | M | World Ranking Event | L | 9/4 | |
| 25 Apr | Coppa Italia Long - Latinum Certamen | Italy | Europe | F | World Ranking Event | L | 20/4 | |
| 25 Apr | ASOM2025 Knock-Out Sprint |  Belgium | Europe | F | World Ranking Event | S | 4/4 | |
| 25 Apr | Metropolis of South East Europe 2025 - Sprint | Serbia | Europe | F | World Ranking Event | S | 22/4* | |
| 26 Apr | Sprint - Latinum Certamen | Italy | Europe | F | World Ranking Event | S | 20/4 | |
| 26 Apr | Värska Originaal Finnish Spring |  Finland | Europe | F | World Ranking Event | L | 20/4 | |
| 26 Apr | Metropolis of South East Europe 2025 | Serbia | Europe | F | World Ranking Event | M | 22/4* | |
| 27 Apr | Camp. Italiani Middle - Latinum Certamen | Italy | Europe | F | World Ranking Event | M | 20/4 | |
| 27 Apr | ASOM2025 Sprint | Belgium | Europe | F | World Ranking Event | S | 4/4 | |
| 1 May | Swedish League, #3, medel (WRE) |  Sweden | Europe | F | World Ranking Event | M | | |
| 1 May - 4 May | World Masters MTB Orienteering Championships 2025 |  Spain | Europe | M | World Masters | | 16/3 | |
| 2 May | Bukowa Cup | Poland | Europe | T | World Ranking Event | P | 15/4 | |
| 2 May | Brazilian Orienteering Championships |  Brazil | South America | F | World Ranking Event | M | 5/4 | |
| 3 May | Tsutsuji matsuri |  Japan | Asia | F | World Ranking Event | M | | |
| 3 May | IV International Trophy MURCIA COSTA CÁLIDA MTBO LONG DISTANCE | Spain | Europe | M | World Ranking Event | L | | |
| 3 May | Brazilian Orienteering Championships | Brazil | South America | F | World Ranking Event | L | 30/4 | |
| 3 May | Bukowa Cup | Poland | Europe | T | World Ranking Event | P | 15/4 | |
| 3 May | Vilnius 2025 – 3 days orienteering event | Lithuania | Europe | F | World Ranking Event | M | 25/4 | |
