
Swim race analysis
Determine your swim race analysis targets.
Decide what data you want to collect.
- Starting speed (0-15 meters).
- Turns (5 meters into the wall and 10 meters out).
- Dolphin kick and breakout speed (10 meters out from the wall).
- Swim speed. (10 meters out from the wall until 5 meters before the wall).
- Pacing strategies (Split times for each 25 meter).
- Frequency and stroke length (10 meters out from the wall until 5 meters before the wall).
It might seem like a lot to analyze, but it is a simple procedure.
Firstly, you need to collect the data.

Distance |
Time |
Time intervall |
Distance |
Time |
Time intervall |
15 m |
6,1 s |
|
110 m |
Missing |
|
20 m |
9 s |
2,9 s |
120 m |
65,2 s |
|
25 m |
12 s |
3 s |
125 m |
68,3 s |
3,1 s |
35 m |
16,9 s |
4,9 s |
135 m |
73,4 s |
5,1 s |
45 m |
23 s |
6,1 s |
145 m |
79,6 s |
25,15 s |
50 m |
25,99s |
2,99 s |
150 m |
82,61 s |
3,01 s |
60 m |
30,92s |
4,93 s |
160 m |
86,84 s |
4,23 s |
70 m |
37 s |
6,08 s |
170 m |
94 s |
7,16 s |
75 m |
40,1 s |
3,1 s |
175 m |
97,6 s |
3,6 s |
85 m |
45,2 s |
5,1 s |
185 m |
101,6 s |
4 s |
95 m |
51,4 s |
6,2 s |
195 m |
107,9 s |
6,3 s |
100 m |
54,45s |
3,05 s |
200 m |
110,43 s |
2,53 s |
Secondly, this is how you may use the data.
Starting speed. (0-15 meters)
Turns (5 meters into the wall and 10 meters out).
Distance |
Time |
Time intervall |
First turn |
||
20 m |
9 s |
|
35 m |
16,9 s |
7,9 s |
Second turn |
||
45 m |
23 s |
|
60 m |
30,92 s |
7,92 s |
Third turn |
||
70 m |
37 s |
|
85 m |
45,2 s |
8,2 s |
Fourth turn |
||
95 m |
51,4 s |
|
110 m |
Missing |
|
Fifth turn |
||
120 m |
65,2 s |
|
135 m |
73,4 s |
8,2 s |
Sixth turn |
||
145 m |
79,6 s |
|
160 m |
86,84s |
7,24 s |
Seventh turn |
||
170 m |
94 s |
|
185 m |
101,6s |
7,6 s |
Dolphin kick and breakout speed (10 meters out from the wall).
Sara´s kick and breakout.
First breakout after the turn |
||
25 m |
12 s |
|
35 m |
16,9 s |
4,9 s |
Second breakout after the turn |
||
50 m |
25,99 s |
|
60 m |
30,92 s |
4,93 s |
Third breakout after the turn |
||
75 m |
40,1 s |
|
85 m |
45,2 s |
5,1 s |
Fourth breakout after the turn |
||
100 m |
54,45 s |
|
110 m |
Missing |
|
Fifth breakout after the turn |
||
125 m |
68,3 s |
|
135 m |
73,4 s |
5,1 s |
Sixth breakout after the turn |
||
150 m |
82,61 s |
|
160 m |
86,84 s |
4,23 s |
Seventh breakout after the turn |
||
175 m |
97,6 s |
|
185 m |
101,6 s |
4 s |
Swim speed (10 meters out from the wall until 5 meters before the wall).
Distance |
Time |
Time intervall |
Speed |
First length |
|
||
15 m |
6,1 sec |
|
|
20 m |
9 sec |
2,9 sec |
1,72 m/s |
Second length |
|
||
35 m |
16,9 sec |
|
|
45 m |
23 sec |
6,1 sec |
1,64 m/s |
Third length |
|
||
60 m |
30,92 sec |
|
|
70 m |
37 sec |
6,08 sec |
1,65 m/s |
Fourth length |
|
||
85 m |
45,2 sec |
|
|
95 m |
51,4 sec |
6,2 sec |
1,61 m/s |
Fifth length |
|
||
110 m |
Missing |
|
|
120 m |
65,2 sec |
|
|
Sixth length |
|
||
135 m |
73,4 sec |
|
|
145 m |
79,6 sec |
6,2 sec |
1,61 m/s |
Seventh length |
|
||
160 m |
86,84 sec |
|
|
170 m |
94 sec |
7,16 sec |
1,40 m/s |
Eight length |
|
||
185 m |
101,6 sec |
|
|
195 m |
107,9 sec |
6,3 sec |
1,59 m/s |
Pacing strategies (Split times for each 25 meter).
Distance |
Time |
0-25 m |
12 s |
25-50 m |
13,99 s |
50-75 m |
14,11 s |
75-100 m |
14,35 s |
100-125 m |
13,85 s |
125-150 m |
14,31 s |
150-175 m |
14,99 s |
175-200 m |
12,83 s |
Frequency and distance per stroke cycle (10 meters out from the wall until 5 meters before the wall).


How to calculate stroke frequency

Sara Sjøstrøms stroke time and frequency from the 200-freestyle race.
Length |
1. stroke |
2. stroke |
3. stroke |
Average stroke cycle |
Stroke frequency |
0-25 meter |
1,3 s |
1,3 s |
1,3 s |
1,3 s |
46,2 |
25-50 meter |
1,4 s |
1,4 s |
1,5 s |
1,4 s |
41,9 |
50-75 meter |
1,6 s |
1,5 s |
1,5 s |
1,5 s |
39,1 |
75-100 meter |
1,5 s |
1,4 s |
1,4 s |
1,4 s |
41,9 |
100-125 meter |
1,4 s |
1,4 s |
1,4 s |
1,4 s |
42,9 |
125-150 meter |
1,3 s |
Missing |
Missing |
1,3 s |
46,2 |
150-175 meter |
1,4 s |
Missing |
Missing |
1,4 s |
42,9 |
175-200 meter |
1,3 s |
1,3 s |
1,4 s |
1,3 s |
45,0 |

Length |
Swim speed |
Average cycle |
Distance per stroke cycle |
0-25 meter |
1,72 m/s |
1,3 sec |
2,24 m |
25-50 meter |
1,64 m/s |
1,4 sec |
2,30 m |
50-75 meter |
1,65 m/s |
1,5 sec |
2,48 m |
75-100 meter |
1,61 m/s |
1,4 sec |
2,25 m |
100-125 meter |
Missing |
1,4 sec |
Missing |
125-150 meter |
1,61 m/s |
1,3 sec |
2,10 m |
150-175 meter |
1,40 m/s |
1,3 sec |
1,82 m |
175-200 meter |
1,59 m/s |
1,3 sec |
2,07 m |
How to use your swim race analysis.
Single swim race analysis.
Do not make to hasty conclusjons
Compare to previous races.
Compare to other athletes.
For other sports.
- Reaction time
- Acceleration time
- Top speed
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