Understand the distances first
The scale of a modern exhibition venue is deceptive because the ceilings are high and the sightlines are long, which makes distances look shorter than they are. A single hall can be three hundred metres end to end, and a full circuit of a multi-hall show comfortably passes five kilometres once you add the wandering between stands. That is a substantial walk on hard flooring, and it is why so many visitors are exhausted by early afternoon.
Treat the day as a walk rather than a visit and everything else follows sensibly. You would not set out on a five-kilometre walk in new shoes, without water, or without knowing roughly where you were going. The same preparation applies here, and it is the difference between leaving satisfied and leaving flat.
Work the perimeter, then the middle
Most halls place the largest stands around the outer edges and the smaller ones in the centre, with the main aisles running along the walls. The comfortable route is to walk the perimeter first at a steady pace without stopping, simply to see what is there and where the seating, the exits and the catering are. Twenty minutes spent this way at the start saves an hour of aimless backtracking later.
Then work inward in sections, finishing one area completely before moving to the next. Crossing the hall repeatedly to chase something you spotted across the floor is how visitors accumulate distance without accumulating knowledge. If something across the hall is worth seeing, write it down and reach it in order. It will still be there.
The two-hour rhythm
A sustainable pattern is roughly two hours of looking, then a proper thirty-minute stop with a seat, a drink and something to eat, then a second stretch of no more than two hours. That is a full day at an exhibition and it is enough for most people. Anything beyond four hours of active looking produces diminishing returns, because the eye stops distinguishing and the notes become vague.
Within each two-hour block, build in short pauses. Standing still in front of one car for five minutes is restful in a way that shuffling slowly between ten cars is not. It is movement without purpose that tires people out, not attention. Visitors who stand and look are consistently fresher at the end of the day than those who keep moving.
Heat, cold and the air inside
Large halls are cooled hard, and the cold accumulates in visitors who are standing rather than walking. A light layer that can be taken on and off solves this entirely. The air is also dry, which is why the throat begins to feel rough by the middle of the afternoon and why water matters more here than the temperature suggests. Drink before you are thirsty, not after.
The contrast between the hall and the car park is the part people underestimate. Stepping from cooled air into a car that has stood in the sun is a genuine shock. If you are driving, park in covered levels where possible, leave a sunshade on the screen, and give the cabin five minutes with the windows briefly open before setting off. A dark interior can take a good while to become bearable.
Going with someone else
Two people at an exhibition walk at different speeds and want different things, and pretending otherwise causes more friction than any other part of the day. The workable arrangement is to agree three stands you will see together, then separate for an hour and meet at a named seating area. Both people see more and neither feels rushed or held back.
If you are visiting with someone who tires more quickly, plan the day around their pace rather than yours and choose fewer targets. Establish where the nearest seating is each time you enter a new hall. A visit that ends early and pleasantly is a better memory than one that is completed at the cost of everyone's mood, and the cars will be there another time.