January 2023

February 2023

March 2023

17 - 19 March 2023 ​

LEN U17 European Championships
Qualification

Men's Water Polo

17 - 19 March 2023

LEN U17 European Championships
Qualification

Men's Water Polo

18 March 2023

LEN OW
Swimming Cup 2023 - Leg 1

Eilat (ISR)

18 March 2023

LEN OW
Swimming Cup 2023

Leg 1

Eilat (ISR)

25 & 29 March 2023

LEN Euro Cup

Women's Finals

25 & 29 March 2023

LEN Euro Cup
Women's Finals​

31 March - 1 April 2023

LEN Champions League

Women's Final 4

31 March - 1 April 2023

LEN Champions League
Women's Finals 4​

April 2023

15 & 29 April 2023

LEN Euro Cup

Men's Finals

15 & 29 April 2023

LEN Euro Cup
Men's Finals​

19 & 29 April 2023

LEN Challenger Cup

Men's Finals

19 & 29 April 2023

LEN Euro Challenger Cup
Finals​

May 2023

13 May 2023

LEN OW
Swimming Cup 2023 - Leg 2

Piombino (ITA)

13 May 2023

LEN OW
Swimming Cup 2023

Leg 2​

Piombino (ITA) ​

31 May - 4 June 2023

LEN Champions League
Men's Final 8

Belgrade (SRB)

31 May - 4 June 2023

LEN Champions League
Men's Final 8

Belgrade (SRB)

June 2023

17 June 2023

LEN OW
Swimming Cup 2023 - Leg 3

Belgrade (SRB)

17 June 2023

LEN OW
Swimming Cup 2023

Leg 3

Belgrade (SRB)

22 - 28 June 2023

LEN European Championships
Qualification 2

Water Polo

21 - 25 June 2023

LEN European Championships

Oświęcim (POL)

Artistic Swimming

21 - 25 June 2023

LEN European Championships

Oświęcim (POL)

Artistic Swimming

22 June - 28 June 2023

LEN European Championships

Rzeszów (POL)

Diving

22 June - 28 June 2023

LEN European Championships

Rzeszów (POL)

Diving

24 June - 02 July 2023

LEN U15 European Championships

Zagreb (CRO)

Women's Water Polo

24 June - 02 July 2023

LEN U15 European Championships

Zagreb (CRO)

Women's Water Polo

July 2023

04 - 09 July 2023

LEN Junior European Championships

Belgrade (SRB)

Swimming

04 - 09 July 2023

LEN Junior European Championships

Belgrade (SRB)

Swimming

8 - 16 July 2023

LEN U15 European Championships

Podgorica (MNE)

Men's Water Polo

8 - 16 July 2023

LEN U15 European Championships

Podgorica (MNE)

Men's Water Polo

30 July - 5 August 2023

LEN U17 European Championships

Manisa (TUR)

Women's Water Polo

30 July - August 202330

LEN U17 European Championships

Manisa (TUR)

Women's Water Polo

August 2023

2-6 August 2023

LEN Junior European Championships

Funchal (POR)

Artistic Swimming

2-6 August 2023

LEN Junior European Championships

Funchal (POR)

Artistic Swimming

8 - 15 August 2023

LEN U17 European Championships

Manisa (TUR)

Men's Water Polo

11 - 13 August 2023

LEN U23 European Championships

Dublin (IRL)

Swimming

19 - 25 August 2023

LEN Junior European Championships

Rijeka (CRO)

Diving​

19 - 25 August 2023

LEN Junior European Championships

Rijeka (CRO)

Diving

19 August 2023

LEN OW
Swimming Cup 2023 - Leg 4

Samorin (SVK)

19 August 2023

LEN OW
Swimming Cup 2023

Leg 4​

Samorin (SVK)

September 2023

03 September 2023

LEN OW
Swimming Cup 2023 - Leg 5

Veles (MKD)

03 September 2023

LEN OW
Swimming Cup 2023

Leg 5

Veles (MKD)

23 September 2023

LEN OW
Swimming Cup 2023 - Leg 6

Barcelona (ESP)

29 September - 1 October 2023

LEN Junior European Championships

Corfu (GRE)

Open Water

29 September - 1 October 2023

LEN Junior European Championships

Corfu (GRE)

Open Water

October 2023

6-7 October 2023

LEN Champions League Men Group Stage
(2nd day)

TBD

Water Polo

6-7 October 2023

LEN Champions League Men Group Stage
(2nd day)

TBD

Water Polo

7 October 2023

LEN Champions League Women Group Stage
(1st day)

TBD

Water Polo

7 October 2023

LEN Champions League Women Group Stage
(1st day)

TBD

Water Polo

7 October 2023

LEN Euro Cup Men Preliminary Round Stage
(1st day)

TBD

Water Polo

7 October 2023

LEN Euro Cup Men Preliminary Round Stage
(1st day)

TBD

Water Polo

7 October 2023

LEN Euro Cup Women Preliminary Round Stage
(1st day)

TBD

Water Polo

7 October 2023

LEN Euro Cup Women Preliminary Round Stage
(1st day)

TBD

Water Polo

17-18 October 2023

LEN Champions League Men Group Stage
(3rd day)

TBD

Water Polo

17-18 October 2023​

LEN Champions League Men Group Stage
(3rd day)

TBD

Water Polo

19 October 2023

LEN Euro Cup Men Preliminary Round Stage
(2nd day)

TBD

Water Polo

19 October 2023

LEN Euro Cup Men Preliminary Round Stage
(2nd day)

TBD

Water Polo

20-22 October 2023

LEN Challenger Cup Men
Qualification Round 1

TBD

Water Polo

20-22 October 2023

LEN Challenger Cup Men
Qualification Round 1

TBD

Water Polo

20-22 October 2023

LEN Challenger Cup Women
Qualification Round

TBD

Water Polo

20-22 October 2023

LEN Challenger Cup Women
Qualification Round

TBD

Water Polo

21 October 2023

LEN Champions League Women Group Stage
(2nd day)

TBD

Water Polo

21 October 2023

LEN Champions League Women Group Stage
(2nd day)

TBD

Water Polo

21 October 2023

LEN Euro Cup Women Preliminary Round Stage
(2nd day)

TBD

Water Polo

21 October 2023

LEN Euro Cup Women Preliminary Round Stage
(2nd day)

TBD

Water Polo

31 October - 1 November 2023

LEN Champions League Men's Group Stage
(Match 4)

Water Polo

November 2023

2 November 2023

LEN Euro Cup Men's Group Stage
(Match 3)

Water Polo

4 November 2023

LEN Champions League Women's Group Stage
(Match 3)

Water Polo

4 November 2023

LEN Euro Cup Women's Group Stage
(Match 3)

Water Polo

7 November 2023

LEN Women's Super Cup Final

Budapest (HUN)

Water Polo

10 November 2023

LEN Men's Super Cup Final

Chiavari - Genova (ITA)

Water Polo

16 November 2023

LEN Euro Cup Men's Group Stage
(Match 4)

Water Polo

19-25 November 2023

European Masters Short Course Swimming

Madeira (POR)

Masters

21 - 22 November 2023

LEN Champions League Men Group Stage
(Match 5)

Water Polo

23 November 2023

LEN Euro Cup Men's Group Stage
(Match 5)

Water Polo

25 November 2023

LEN Challenger Cup Men's Quarter Final
(Match 1)

Water Polo

25 November 2023

LEN Champions League Women's Group Stage
(Match 4)

Water Polo

25 November 2023

LEN Euro Cup Women's Group Stage
(Match 4)

Water Polo

24-26 November 2023

LEN Challenger Cup Women
(Final 6)

Water Polo

December 2023

5 - 6 December 2023

LEN Champions League Men's Group Stage
(Match 6)

Water Polo

5-10 December 2023

LEN Short Course
European Championships

Otopeni (ROU)

Swimming

9 December 2023

LEN Euro Cup Men's Group Stage
(Match 6)

Water Polo

9 December 2023

LEN Challenger Cup Men's Quarter Final
(Match 2)

Water Polo