What triathletes actually forget on race day
Ranked by how many people named it, from athletes who answered the question themselves.
26 August 2026Built on answers from What did you forget?
The things people forget are not the expensive ones. Nobody leaves a bike at home. What goes missing is small, cheap, easy to replace at any other moment of the year, and completely unreplaceable at six in the morning at a venue with one queue and no shops: nutrition, goggles, a race belt, a swim cap. Those four are the top of our list, and three of them cost less than a coffee.
The list, as it stands today
83 answers from 44 athletes. Small, and stated plainly for that reason: this is what the people who answered said, not a survey of the sport.
- 1Nutrition13 athletes
- 2Goggles9 athletes
- 3Race belt7 athletes
- 4Swim cap7 athletes
- 5Sunscreen5 athletes
- 6Bike shoes4 athletes
- 7Wetsuit4 athletes
- 8Bottles3 athletes
Add what you forgot and the ranking above changes.
Where these numbers come from
Every row is an answer somebody gave to one question on this site: what have you forgotten on race day. Nothing is inferred from a packing list, and no row is here because it seemed likely.
The counts are read live from the answers as this page loads, so the ranking on this page is what the answers say today and not what they said when the article was written. The sample is small and stated in full on the page, because a ranking without its sample size is a claim pretending to be a fact.
Nutrition is first, and it is not close
The single most named thing is race nutrition: gels, bars, the drink mix already made up. It is the one item on the list you cannot borrow from a neighbour in transition, because taking a stranger's gel on race morning is how a first race becomes a stomach problem at 30km.
It is also the item most likely to be prepared correctly and then left on a kitchen counter, because it is the last thing you touch before leaving and the only thing that does not live in a bag by default. That is the actual failure: not forgetting to buy it, forgetting to move it.
Goggles, and the pair you did not bring
Goggles are second. When we counted these answers, four people said goggles and four said spare goggles, and we deliberately keep them as one row: splitting them makes a single eight-person problem look like two four-person problems.
A broken strap in the pen is not a rare event, and it is the one failure in this whole list that ends a race before it starts. The spare pair costs almost nothing and lives permanently in the swim bag.
The race belt nobody had heard of
The race belt is third, and it is the most interesting row here. When we first drew this board it was not on it at all: it was added because six people named it unprompted.
That is a first-timer problem specifically. The rule that the number must be visible on the front on the run and cannot be pinned to a wetsuit is not obvious, nobody explains it, and it appears in the athlete guide as one line among two hundred.
What to do about it
Every one of these is solved the same way and it is not a better memory. It is packing per bag, in the order the race takes the bags, the night before, with the race morning items kept apart from everything that has already been handed in.
That is the whole reason the packing list in Taperly is split by bag rather than being one long list, and why race morning is its own view. A list that lets you tick nutrition the night before is a list that will let you leave it on the counter.
Racing one of these?
Every race below carries the packing list for its own distance.