Completeness of database
I couldn't find all the information about classification leaders. Here's an overview of how complete everything has been entered.
Of the 75241 rankings, 74891 are in the database, which is 99.5%. This is further broken down by type below.
See also the perhaps incomplete overview of missing information, or the graphical overview.
Some other websites claim to provide complete results. Often, this means they provide the final results of the general classification, sometimes also the winners of the most important secondary classifications, and if you're really lucky, the stage results as well. If I say I only provide 99.5% of the results, it might seem at first glance that I'm less complete. I want to clear up that misunderstanding: that 99.5% is for all classifications, not just the ones that are easy to find. I can honestly say that this page is more complete than any other page I have found. The closest were tourfacts.dk and tour-giro-vuelta.net, both have since gone offline The first page unfortunately didn't provide sources and occasionally makes errors in some things, and the second has been hidden since 2011 because the information was sold to a company. As far as I can tell, this page is currently the most comprehensive Tour de France page, thus even more comprehensive than memoire-du-cyclisme (which excels in other areas) and the official Tour website. For more recent Tours, other websites are far superior than this website. My personal favorite for recent Tours is ProCyclingStats. I am not associated in any way to ProCyclingStats.
Participants
Of the 6133 cyclist that were ever entered into the Tour de France, 5931 are in my database, this is 96%. See the overview of missing riders, these are all riders that never started in the Tour from before the Second World War. I could add these, but because they are not shown on dewielersite, I don't do that, to make sure that the database keys stay aligned. (I used their keys to uniquely identify riders.)
Stage results
I have 2415 stages in my database, including split stages. At this moment, I have the speed of the winner of 2410 stages, which is 99%.
General classification
Of the 2301 stages that the general classification had a leader, I know its leader after 2301 stages, which is 100%. I include the years before 1919 when there was no yellow jersey yet. I have the runner-up in the classification for 2301 stages (100%). I also have for 2301 stages (100%) the difference between the winner of the Tour and the next best rider.
Points classification
Of the 1610 stages that the points classification had a leader, I know its leader after 1610 stages, that is 100%.
Mountains classification
Of the 1889 stages that the mountains classification had a leader, I know its leader after 1889 stages, that is 100%. This is including the years before 1975, when no jersey was used. In those years, the mountain classification often started half-way the Tour. Before 1933, there are also results available for mountain passes, and 1908 had a sort of classification, but I don't count these here.
Of the 3984 categorized mountain passes, I have 3984 times coupled the name of the mountain to the list of mountains, which is 100%. I also know for 3984 passes where in the stage they were, which is 100%.
Of the 22218 times that a rider scored points on such a categorized mountain pass, I have 22203 results in my database, which is 99%. See the overview of missing mountain pass results to see which mountain passes are incomplete. In theory, there can be mountain passes that I am unaware of, but given my knowledge about total points scored, this would be a very small number, of the easiest categories.
Team classification
Of the 1955 stages that the team classification existed, I know its leader after 1955 stages, which is 100%. Sometimes, there also was a team points classification. In the 372 stages that this existed, I know 372 times the leading team, which is 100%. In many years, there was also a daily team classification, which awarded a prize. In the years that I am sure that this existed (813 stages), I know the winning team of 813 stages (100%).
Young rider classification
Of the 1125 stages that the young rider classification/debutant classification had a leader, I know its leader after 1125 stages, that is 100%. This is including the period from 1989 to 2000, when there was no white jersey. In 1968 there was already a classification for neo-profs(the golden arrow), and 1970 and 1971 had a "grand prix des jeunes", but I don't count them here.
Combativity award
Since 1952, there has been a combativity award. In some years (before 2001) this was a classification, in other years just a prize after every stage. Of the 1633 stages that these prizes were given, I know the winner of 1621 stages, which is 99%. The first stage for which I don't know the winner is 21 in 1969, and the last stage 21 in 1994. In the years that there was a classification, which in my count included 712 stages, I know the leader after 662 stages, which is 92%. The first stage for which I do not know its leader is 3 in 1979, and the last stage 14 in 1994. There also used to be other special jury awards, such as for most bad luck, elegance, friendliness, best team mate and others. I try to collect these, but I do not include them in this overview, because I am not sure in which years they were used.
Intermediate sprints classification
Of the 549 stages that the intermediate sprints classification had a leader, I know its leader after 549 stages, that is 100%. I start counting from the introduction in 1966, so including the years before 1983 when there was no jersey.
Of the 11315 times that a rider scored points at an intermediate sprint, I found 11249 results, which is 99%. In total, I have 2413 intermediate sprints in my database. For 2413 of them, I know where in the stage they were, this is 100%.
Combination classification
Of the 273 stages that the combination classification had a leader, I know its leader after 273 stages, that is 100%. This is including 1968 when no jersey was used, and the years 1969 to 1974 when the white jersey was used. In the Tours from 1980 to 1984, there was a similar classification, de Grand Prix TF1. Of the 115 stages that this classification was used, I know its leader after 115 stages, that is 100%.
Stage results
The stage results are not included in the overview above. I initially copied these from Memoire du Cyclisme, but the cumulative results didn't always match the final classification, so I made many improvements. It's certainly not complete yet; see the differences.
