Sailing
- Sailing Grand Slam # 1, Princess Sofia Trophy, Palma – March 31st – April 4th
- Sailing Grand Slam # 2, French Olympic Week, Hyeres – April 20 -25th
Swimming
Irish Open Championships & Commonwealth Qualifications, Bangor – April 8-12
Cycling
- UCI Track Nations Cup, Hong Kong – 17th to 19th April
- UCI Track Nations Cup, Nilai (Malaysia) – 24th to 26th April
Weightlifting
• European Senior Championships, Batumi, Georgia – 19th – 26th April
Boxing
- World Boxing Cup, Stage One: Brazil – 20th to 26th April
Squash
- European Team Division 1 & 2 Squash Championships 2026, Amsterdam, Netherlands – 29 April – 2 May
Badminton
- European Championships, Huelva, Spain – 6th-12th April
Athletics
- World Race Walking Team Championships, Brasilia, Brazil – 12th April
- Boston Marathon, Boston, USA – 20th April
- London Marathon, London, UK – 26th April
Gymnastics
- Artistic Gymnastics Cairo World Cup – 3rd-6th April
- Artistic Gymnastics Osijek World Cup – 9th-12th
- Trampoline European Championships 2026 – 8th-12th April
Equestrian
Show jumping:
• Longines FEI Jumping World Cup Final, 7-12 April
Eventing:
• Defender Kentucky 5*, April 23-26