Before I get into details, let me say I absolutely love the concept, but the execution leaves a lot to be desired. Firstly, when starting a test, the timer almost always has between a few dozen to a hundred or two milliseconds on it before ever accelerating.

Second, there seems to be either a bug or a very badly implemented method of capturing the exact time the vehicle hits the desired velocity (e.g. 60mph), because I've seen it take as long as ~600ms to not just display, but CAPTURE the time. In other words, I see the speedometer hit 60, and it takes at least half a second before the time displays. I.e. times are always off by a variable, non-trivial amount, so it can't even be compensated for by just subtracting a certain amount from all times. i know it's hard to be extremely precise with this stuff when there's so many factors to consider like framerate, in-game speed modifiers, etc., and a few milliseconds early or late is understandable, but hundreds of milliseconds means I can't trust any time this mod displays.

Third, as much as I love that it writes the results to a text file and that you can add your own waypoints, using a standard text file format like CSV (or tab-separated if necessary) would make a lot more sense to me and could easily be imported to Excel and the like. So instead of the "[name]<name>[start]<coords>[end]<coords>" format you have now, it would be the key names on the first line (like columns), and values on each line thereafter. Assuming the key names don't change, it's also very redundant to include them in every line.

Essentially, the format would look like:

name,start,finish,heading
Airport Drag,-1731.868|-2899.304|12.72205,-1356.221|-2245.473|12.68831,327.7671
Airport Circle,-1354.81|-2242.927|12.7231,-1275.375|-2228.509|12.65361,147.5489

...etc. Same for each results file.

Last, and i'm not sure if this is a bug i'm experiencing or something that simply isn't functional, but the 60-120 result is never captured. After about two dozen tests, all surpassing 120mph, i have yet to see a single result. It also writes the total time in that field instead of leaving it blank, making it ambiguous as to whether 120mph was reached at the exact same time as hitting the end marker or if it was EVER reached.

I hope you'll take this on board, because I really, really love the idea, and afaik, no other mod does this sort of thing beyond simple 0-60 and max speed displays.

@ImNotMentaL Can't believe I didn't rate this mod yet, but this is still the best lap time recording mods on the site, and everything works more or less as it should, including the 0-100 kph and 100-200 kph, even after all the Rockstar updates. Been using this to time numerous laps, including the Nordschleife map, the SPA, etc. Really useful tool, keep up the good work!!!

Here are some of my suggestions after using it for so long:
Currently, there is no way to time exactly from start to finish using the same waypoint (I tried setting them to the same location, but timer just stops as soon as it starts...), so the current work-around I made to do 1 lap on a closed circuit is to set the starting waypoint a few meters ahead of the end waypoint. This may not be accurate for the lap time, but it's accurate enough for being in GTA I guess (it's not a racing sim afterall). The mod is, however, excellent for rallies that crosses from point A to point B, with different locations for start and finish lines and set distance racing, like 1/4 mile or standing mile timing.

So I guess the suggestion I offer is probably to have an option to make the start and finish line/location be the same coordinates and allow an option to set the number of laps before the timer stops (recording the time for each lap of course), so I can time precisely how fast and consistent a lap I'm turning out in a series of laps rather than in one lap (most people get faster with each lap anyways), starting from a standstill like it is now. Maybe set it so it doesn't record lap time on the starting lap, but records in the 2nd lap and so on depending on number of laps set. This will be similar to hot lap modes or time attack modes in other racing games. Make this an additional option for closed circuits (like the SPA and the Ring, etc.), but do leave the original setting of 2 waypoints as it's great for point to point rallies and set distance races (like 1/4 mile or standing mile tests)