I can't think of any at the moment. This whole sandbagging thing only came to light about a week and a half ago. You did mention you studied 5 races and 3 of them you feel were manufactured. You mentioned Qatar, PI, and what was the last one?
I'm still not entirely convinced that Marquez was sandbagging in Sepang. I watched the race again and lap 3 is where all the overtaking happens. There seems to be a good bunch of people on the interwebz that firmly believe Marquez "let" Lorenzo pass but I still think he made a mistake. Lorenzo had the quickest pace out of all 4 riders when he caught Marquez and was about 6 tenths faster than Rossi. At this point how would Marquez have known Rossi was behind him? It could've been a Ducati, a Suzuki etc. Then at the end of the same lap at the final corner, Marquez seems to make another mistake and Rossi nearly passes him. This is why this whole Marquez is letting Lorenzo go and slowing down Rossi business is bs (for this race is anyway). Perhaps at this race, Lorenzo had the pace similar to Dani, and the two battling it out at 3rd had similar pace. As soon as Rossi passes, Mr. i'm-going-to-prove-a-point Marquez goes right at Rossi.
I'm afraid with this whole sandbagging theory that alot of races moving forward will be filled with conspiracies. This will just give more ammo to the nonsensical fans and will gladly discredit their non favourite rider.
OK, well I`ll put my best argument on the table and then let it go because, well , that's all I can do. I've plotted 6 races now, laying out the 2013 Valencia GP where everybody agrees JLo was sandbagging.
Not much to explain here, except it's interesting to see when Marquez let Pedrosa past and then they both trundled around casually to the end of the race.
The other races where there was sandbagging were Losail, P.I., and yes, Sepang. Basically, the pattern at Sepang is the reverse of JLo in 2013, where MM was fast to begin and then suddenly slows.
The other thing you should note is that JLo passed MM at the start of the second lap, and then they passed the pits again (therefore seeing the pit boards) before VR passed him on lap 3. Watch the race again, there was no challenge to MM until after he passed the pit board. (In P.I. Marquez slowed down only once Rossi passed him the very first time). Also keep in mind that MM's pace is in question from the start of Sepang. His pace in the first few laps may or may not indicate his real potential if his strategy was to just follow Pedrosa until the Yamahas caught up and then deal with them accordingly.
So the big question for you I think is, when two riders clash like that, don't they slow each other down? And the answer is not anywhere near that much. Sometimes a rider can pass easily, without costing anybody any time, sometimes it's a big struggle that can shave a second or so off the lap. I have the example of Argentina handy because there was a lot of speed change and different passes to observe due to the tire choice being a big compromise one way or the other.
Here there's a lot to observe. For one, the variation in speed due to tire performance takes place very gradually, forming smooth curves on the graph as each rider benefits or suffers from their tire choice over the whole race.
The other thing is that the passes are made and then done. Each rider's trace continues to move smoothly in the same pattern as before. There was also a close-fought battle between Crutchlow and Iannone in which they passed each other four times. Unfortunately I can't find any video or reported account of the dice they were having, probably because everyone was focused on the battle for the lead. But you can see two occasions where their performance drops precipitously while racing each other. These are very unusual to begin with, but there are several aspects that make those drops in performance look like nothing compared to the drops cause by Marquez's "racing" in the last two rounds.
- Compared to all the above traces, in Australia Marquez's trend line changed suddenly and frequently (In Sepang, he didn't do enough laps to form a tire performance trend).
- When the racing is real, the drop in lap times occurs over only one sector. Marquez caused riders to lose speed for several consecutive sectors. Even entire laps at a time.
- After the pass, the racers each resume the same speed they were doing before the pass. When Marquez was done his supposed 'racing' that slowed people down, twice his speed increased significantly over the speed he had been running before.
- In the case of Argentina above, Crutchlow and Iannone were racing on their own, so they could afford to take some additional risk by making big block passes or other aggressive moves that slow down their pace because they weren't at risk of being passed by anyone else. In a group of riders, any passing move would need to be done efficiently to avoid losing a position or two. When Marquez was 'racing' Rossi, there were other riders around but the only efficient passing was performed by Jorge.
An interesting thing about the last chart; Marques is shown one second behind Rossi before he crashes out, yet they were side by side for the whole lap. It turns out that he crashed right before the second sector timing line, and his bike crossed the line sliding down the road on its side, one second after Rossi crossed it!
If you have any remaining doubt about the effects of close racing, here's another graph of the very close battle between Rossi and Pedrosa at Aragon.
They were racing closely from the very start and towards the end it got really dicey between the two of them. But they never lost the kind of time that other riders lost around Marquez these last two races. There isn't much more competitive and honest racing than what we saw between these two in Aragon.