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How to Read Your Splits After a Swim Race

By Fabio Verschoor•11 Sep 2026•7 min
How to Read Your Splits After a Swim Race

Quick answer

A final time hides the race. Splits show whether the first half was faster (positive split) or the back half was faster (negative split). Sign in to Gophin, open Analysis then Splits Analytics, pick the event and race. Official splits load. No typing.

After a 100 Free, the question is rarely the 1:02. It is the two 50s. Went out in 29 and came home in 33? That is a different story from even 31s. Parents hear "faded" when the first 50 was the real problem. Why a swimmer slows down in the second half walks through that trap.

Sign in and open Splits Analytics

Positive split vs negative split

Positive split: first half faster than the second. Negative split: back half faster. Most age-group 50s and 100s come home slower. That is normal. The useful question is whether the pattern repeats.

Read splits in Gophin

  1. Sign in and go to Analysis, then Splits Analytics.
  2. Set course, stroke, and distance, then pick a race that recorded splits.
  3. Pacing: each bar is a split against that race's own average. Green is faster than average, red is slower. The label names the pattern.
  4. PR vs Race: this swim against the personal best, split by split.
  5. Fatigue: how much the back half has slowed, race after race, across seasons.
  6. Goal Engine: pick a target time. The view shows the weakest split against real swimmers in the same age range.

Gophin Splits Analytics with pacing bars for a selected race

If a race is missing, the meet probably did not record splits. Try another distance. Full screenshots live in the Splits Analytics wiki guide .

Splits Analytics is free for every distance from 50 through 1500. You need a Gophin account and to sign in. No card.

Frequently Asked Questions

  • What is a positive split in swimming?
    A positive split means the first half was faster than the second. A negative split means the swimmer finished faster than they started. Gophin Splits Analytics labels the pattern on the Pacing tab after you sign in.
  • Do I type splits into Gophin?
    No. Splits Analytics pulls official splits recorded at the meet. If a meet did not record splits, that race will not appear in the list.
  • Is Splits Analytics free?
    Yes. All four views (Pacing, PR vs Race, Fatigue, Goal Engine) work for every distance from 50 through 1500. You need a free Gophin account and to sign in. No card is required.
Fabio Verschoor

Fabio Verschoor

Founder & CEO, Gophin

Swim dad, computer scientist, and serial entrepreneur. When my daughter dove into competitive swimming, I combined my passion for sports and technology to build Gophin — so every family can track performance with clarity.

Track your swimming times for free

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