Open Water Sighting
Open water sighting keeps you on course without wrecking your stroke. 5 drills, 4 sighting patterns, and the timing that works in rough water.
Sighting is the one open water skill you almost never fix in the open water. The article you are about to read will not make you Paris–Roubaix fit, but it will explain, the four principles that let you spend the smallest amount of pace per lift and the drills that finally install that efficiency into a habit. Most triathletes and most open-water converts leave 5 to 15 seconds per 100 on the course purely by sighting the wrong way; if you treat it as a technique rather than a navigation shortcut you get that time back in your very next race.
The four principles that decide your line Sighting badly is not usually a navigation problem; it is an economy problem. Every head lift above the surface slows the legs and drops the hips, and too many swimmers do it five times too often and twice too high. Get these four right and the rest is drilling. For the broader picture on how to transition from pool to open water — acclimatisation, panic handling, mass-start tactics — the open water swimming tips guide is a companion to this technique piece; the two together cover most of what pool swimmers need to survive the transition.
Five mistakes that lose most of the time Most swimmers don't over-sight out of confidence; they over-sight because each sight gives them so little information they have to check again immediately. Fix the lift first and the count drops by itself. Here are the five that show up again and again in the open water swim analysis from coaches at every level.
Five sighting drills you can swim in a normal pool You do not need open water to practice sighting, and honestly you probably shouldn't — open water should be for performance, not learning. Install the lift in the still water first, then transfer it under load. Each drill below assumes a 25m pool; tighten or lengthen for 50m. Four sighting patterns, four conditions There is no universal "correct" sighting rhythm — there is the right pattern for the conditions in front of you.
Match the pattern to the water and the position on the course, not to a number you read in a forum. Sighting in rough water and low visibility Open water will eventually hand you swell, chop, fog, glare, or all of the above in the same session. The reflex is to sight more often and turn more aggressively; the right response is almost the opposite — sight less, lock onto a long-compass landform, and change heading only on confirmed information, never on a single panicked glance.
If race-day water is making you genuinely anxious, the open water panic guide walks through the breathing, positioning, and exit-marker play that handles a stuck-breath moment without losing your race back to the field, before it becomes a swimmer-rescue call. If your sighting interval keeps being wrong no matter how regularly you set it, you have probably been treating a Garmin that tracks open water swim exits as a sighting crutch and not a course record.
Use the GPS to confirm headings, not to replace a sight. Most open water GPS watches are accurate within 5–10m on a long line; if you are floating a course that requires 1m precision, you should be looking up — the watch will be wrong anyway. A sighting pool session you can swim this week This 2,850m session trains the four sighting lifts at the point it matters — under fatigue, at varied stroke counts, with explicit turn simulations.
Pair it once a week in the four weeks before a triathlon or open water race. The full distance hinges on technique, not pacing, so if you are immediately worried about the volume, the 30-minute swim workout page has the threshold-style compress to fit a shorter window. If you want to build a sighting-specific session around your own threshold and pool length, the swim workout generator generates a structured plan with the right distances, send-offs, and equipment suggestions for your exact swim level.
If a structured triathlon build-up is what you need, the triathlon swim training plan covers the open water pool blocks alongside the bike and run. Frequently Asked Questions Build your open water technique block Use the AquaPlan workout generator to build sighting-and-open-water-simulation sessions around your own pace and pool length, then log every swim so you can see your pacing under the sighting load over a full training block.
The free library also includes structured open water workouts you can filter by distance, goal, and level — pick one, drop the sighting intervals in, and bring your stroke intact to the next race.
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Written and maintained by AquaPlan Team, Swim Training & Product.
The AquaPlan team builds swim-training software for structured pool workouts, Garmin-compatible FIT export, printable workout PDFs, and progress tracking.
Focus areas: Structured swim workout design, Garmin-compatible FIT file export, Pool training plans and workout-library systems, Swim training tools for web, iOS, and Android.
Editorial standard: AquaPlan training guides are checked against the current workout builder, workout library, Garmin export workflow, and product limits before publication.