Athletics

Athletics has automated more of its officiating than any sport here, and it did so because its officials were being asked to measure rather than to judge. A measurement has a correct answer, so a machine can be trusted with it — and once a machine is doing it, the measurement becomes comparable across stadiums and decades, which is the whole purpose of the rulebook.

The photo finish replaced the judge at the line. Fully automatic timing replaced the stopwatch, and from 1977 a hand-timed mark could no longer be ratified as a record at sprint distances, which reconstituted the record lists around a different instrument. Pressure sensors in the blocks detect a start under 0.100 seconds after the gun, on the assumption that nobody can genuinely react faster than that — note that this is not a measurement of a false start but a threshold below which the sport declines to believe you.

Wind gauges and electronic distance measurement do the same job in the field events: they remove the human from the number.

Two things resist all of this. The first is race walking, which is judged by eye — a judge decides whether contact with the ground was lost — and is therefore structurally a judged sport sitting inside a measured one, with all of gymnastics' problems and none of its machinery. The second is the javelin landing, where the tip must strike first. A flat landing cannot be judged, and the 1986 redesign existed partly to make that call possible again. Athletics solved a judging problem by changing the implement, which is a move no other federation on this site has made.

Athletics has the widest participation of any sport on this site after football and the most event-specific competitive geography of any sport anywhere. It is not one map. It is forty.

Distance running is concentrated in the Rift Valley to a degree that has no parallel in sport. Sprinting is concentrated in Jamaica, the United States and West African diaspora populations. The throws are strongest in central and eastern Europe. Race walking is dominated by a handful of nations that maintain a judging and coaching culture for it. Pole vault requires a facility, and its map looks like a map of facilities.

The honest thing to say about why is that the sources genuinely disagree. Altitude, running to school, a coaching tradition, an economic incentive structure, and selection effects from a very large training population have all been proposed for the Rift Valley, and no single account is settled. This site records that the concentration exists and declines to explain it, on the same principle that governs cause_primary everywhere else — a plausible explanation is not a sourced one.

What is worth recording is the rule consequence. Because athletics ranks by a number rather than by a head-to-head result, a concentrated talent pool does not produce dominance in the way it does in an invasion sport: it produces a deeper qualifying field. And because entry to a Games is by qualifying standard as well as by national quota, the sport's geography shows up in who is in the final rather than in who is permitted to enter — which is a very different structure from badminton, where the quota is the binding constraint.

Athletics is the only sport in this collection that did not have to be invented, because running, jumping and throwing did not need a rule to exist. What needed inventing was the measurement.

The events themselves are inherited — from the ancient Olympic programme, from Highland and rural games across northern Europe, from military training. What the nineteenth century added was the apparatus of comparability: a standardised distance, a standardised implement, a standardised surface, and eventually a standardised clock. The International Amateur Athletic Federation was founded in 1912 and its first substantial work was ratifying world records, which is to say deciding what counted as the same performance done twice.

That is why athletics produces more comparability breaks than any other family in this collection. A sport that keeps a number is a sport that must keep deciding whether today's number is the same kind of thing as the number from forty years ago. Every time the answer is no, the record book has to do something about it — and athletics has answered that question in both directions within thirty-five years.

The javelin is the clearest case in this collection of a rule written against an implement, and it happened twice.

Through the 1950s the American thrower Bud Held developed javelins with greater surface area and better gliding characteristics, and distances began to climb faster than technique alone would explain. Terje Pedersen passed 90 metres in 1964 with an aerodynamic design; the federation restricted the specification; distances came back down and then climbed again. By 1984, when Uwe Hohn threw 104.80 m, the implement was outrunning the arena that was supposed to contain it.

The 1986 redesign is unusually surgical. The mass stayed at 800 grams and the length stayed within the same band; what moved was the centre of gravity, four centimetres forward. That makes the implement pitch nose-down earlier, which both shortens the throw by roughly a tenth and restores a clean tip-first landing. The federation solved a safety problem and a measurement problem with one change to one number, and accepted that it was destroying the comparability of its own record book in order to do it.

Then it happened again in a smaller way. Roughened and dimpled tail surfaces appeared within a few years and recovered part of the lost distance; they were banned with effect from 1992, and the marks set with them were annulled rather than carried forward. And the same operation was performed on the women's 600-gram implement in 1999.

Shoes are the counter-example. Carbon-plated racing shoes from 2016 onward produced a run of records at least as anomalous as anything the javelin ever did. World Athletics wrote limits into the rules in 2020 — a maximum sole thickness, one rigid plate — and left every record standing. Same federation, same kind of problem, opposite decision about the record book. Whether the difference is the physics or the commercial position of the shoe industry is not something the sources settle.

Athletics spent its first eighty years as an explicitly amateur federation and the word sat in its name until 2001. Amateurism was not a philosophy so much as an eligibility rule, and like most eligibility rules it decided who could compete rather than how. Its slow collapse through the 1970s and 1980s — the trust-fund arrangements, then open payment — is the largest rule change in the sport's history and it left no mark on any record book at all, which is why it does not appear on the timeline as a comparability break.

Two renames record two repositionings: to the International Association of Athletics Federations in 2001, dropping amateur, and to World Athletics in 2019, dropping the federation-of-federations framing entirely.

The federation's authority over records is the thing that makes this sport legible here. Because ratification is centralised and the criteria are published, a decision to reset a record list is a dated, attributable act by a named body. Football has no such office, which is why its section of this site looks so different.

Uwe Hohn, Berlin, 20 July 1984. 104.80 m. The throw is the trigger for the 1986 redesign in the plainest sense — it is the specific incident PRD §3 asks for — but it is worth being precise about what the problem was. The distance alone was a stadium-safety issue in the arenas the sport actually used. The harder problem was that javelins thrown that far were increasingly landing flat, and a flat landing cannot be judged: nobody can say whether the tip struck first, so the measurement itself becomes a matter of opinion. A measured sport can survive throws that are too long. It cannot survive throws it cannot measure.

Hohn never threw with the new implement in competition at that level. His record was not beaten; it was retired along with the object that produced it.

The false start, three times. Each athlete was once allowed one false start. From 2003 the field collectively got one, and the next offender went out — a rule introduced because athletes had learned to use a deliberate false start to unsettle a rival. From 2010 the first false start disqualifies. The federation gave scheduling as its reason. The change is at least as easily read as finishing the anti-gamesmanship job started in 2003, and both readings sit in the entry rather than one being chosen.

The shoes. No single incident, which is precisely why it is interesting. A diffuse technological shift produced an unusual density of records across several years, the federation legislated the technology and not the record book, and the marks stand. Set this next to the javelin and the swimming supersuits and the pattern is that governing bodies reset the record book when the break is sharp and datable, and leave it alone when the change arrives gradually.

Recorded as unsettled.

Shoes. The 2020 rules set a maximum sole thickness and a limit of one rigid plate, and left every record set in the preceding shoes standing. Both halves remain argued. The thresholds are read by some as having been drawn where they were in order to permit shoes already on sale rather than to withdraw them, and the decision not to touch the record book sits directly against this federation's own precedent with the javelin in 1986. The sport has not reconciled those two decisions and shows no sign of trying.

Eligibility. Regulations on athletes with differences of sex development, and on transgender athletes, are the most contested rules in the sport and among the most contested in any sport. They are eligibility rules in this site's vocabulary — they decide who may compete, in what category — and they have been litigated internationally with conflicting outcomes. This site records that the question is open and does not summarise the arguments, because a one-paragraph summary of a dispute this consequential would be worse than silence.

Where a record may be set. Point-to-point courses, pacing technology, in-race lighting systems and heavily engineered surfaces all raise the same question the wind gauge raised a century ago: which conditions must be standard for a number to be comparable. Every answer the sport gives narrows or widens what counts as the same performance done twice.

Race walking's judging. The one event judged by eye rather than measured periodically faces proposals to add sensors or to replace the event. Both would resolve a judging problem by changing what the event is.