1909 Finnish championships in aquatics
From 1906 to 1926, the Finnish Swimming Federation did not arrange a dedicated national competition, but spread out the hosting duties of the championship events to multiple clubs.
Diving
Men
Plain
Competed in Vaasa on 24 July 1909.| Rank | Name | Placing figure | Score |
| Jarl Bjelke | 3 | 106.75 points | |
| Toivo Aro | 7 | 102.25 points | |
| Oskar Wetzell | 8 | 97.00 points |
Source:
Platform
Competed in Vaasa on 25 July 1909.| Rank | Name | Placing figure | Score |
| Oskar Wetzell | 3 | 71.38 points | |
| Toivo Aro | 6 | 62.35 points |
Source:
Springboard
Competed in Vaasa on 25 July 1909.| Rank | Name | Placing figure | Score |
| Oskar Wetzell | 3 | 70.50 points | |
| A. Backman | 7 | 56.85 points | |
| F. Wester | 8 | 56.60 points |
Source:
Women
Platform
Competed in Turku on 1 August 1909.| Rank | Name | Score |
| Valborg Florström | 104 points | |
| Anna Björkman | 103 points |
Source:
Swimming
Men
100 metre freestyle
Competed in Vaasa on 24 July 1909.| Rank | Name | Time |
| Artturi Helenius | 1:19.6 NR | |
| Wolter Bremer | 1:24.2 | |
| Jussi Kahma | 1:24.6 | |
| 4 | E. Johansson | 1:29.1 |
Source:
1000 metre freestyle
Competed in Vaasa on 24 July 1909.| Rank | Name | Time |
| Jarl Wasström | 19:09.3 | |
| J. Hietala | 21:08.0 | |
| A. Ohls | 21:32.2 | |
| 4 | J. Svenn | 24:32.2 |
Source:
200 metre breaststroke
Competed in Tampere on 22 August 1909.| Rank | Name | Time |
| Arvo Aaltonen | 3:08.0 | |
| Kyösti Järvinen | 3:08.0 | |
| Herman Cederberg | 3:10.5 |
Source:
According to official rules, the competition should have been swam off instead of splitting the championship.
100 metre life saving
Competed in Tampere on 22 August 1909.| Rank | Name | Time |
| Elis Johansson | 2:14.2 | |
| K. Siro | 2:17.1 | |
| Jarl Wasström | 2:32.9 |
Source:
4 × 50 metre freestyle relay
Competed in Tampere on 22 August 1909.| Rank | Club | Team | Time |
| Vaasan Uimaseura | Wolter Bremer, W. Bjelke, Jussi Kahma, Artturi Helenius | 2:17.0 NR | |
| Tampereen Uimaseura | Väinö Siro, Elis Sivén, Laaksonen, Kalle Aaltonen | 2:53.7 |
Source:
Women
100 metre freestyle
Competed in Turku on 1 August 1909.| Rank | Name | Time |
| Anna Björkman | 1:46.4 NR | |
| Regina Kari | 1:49.7 | |
| Toini Nurmi | 1:54.7 | |
| 4 | Olga Haapanen | 1:56.0 |
| 5 | Hulda Helenius | 1:59.0 |
Source:
Water polo
Men
Competed in Turku on 1 August 1909.| Rank | Club | Team |
| Helsingfors Simsällskap | ? | |
| Turun Urheilun Ystävät | A. Ek, Yrjö Seuderling, ? |
Championship was decided by a single match, won by Helsingfors Simsällskap 6–0.
Source: