Swimming Split Calculator
Calculate target split times for swimming races or training sets. Enter your goal time and distance to get even-split targets per lap or per 100m.
Target Split per 100m
75.0 sec
Target Split per 100m vs Goal Time (min)
How Swimming Splits Are Calculated
Even Splitting
Split per 100m = Total Time / (Distance / 100)
Split per Lap = Total Time / Number of Laps
Even splitting means swimming each segment at the same pace. This is the most efficient pacing strategy for distance events.
Negative Splitting
Many coaches advocate negative splitting: swimming the second half faster than the first. Start 1-2 seconds per 100m slower, then build speed. This prevents early fatigue and often produces faster overall times.
Example Calculation
Target splits for a 400m race in 5:00 in a 25m pool.
- 01Total time = 5 x 60 + 0 = 300 seconds.
- 02Laps = 400 / 25 = 16 laps.
- 03Split per 100m = 300 / 4 = 75 seconds (1:15 per 100m).
- 04Split per lap = 300 / 16 = 18.75 seconds per 25m.
- 05Halfway split = 300 / 2 = 150 seconds (2:30 at 200m).
Frequently Asked Questions
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