Thanks, I'm going through shots today and am noticing several out of focus with AF-C that shouldn't be. Bear in mind I'm shooting fast at 1/1600 and 1/2000. Ii may help if I switch the sub setting that's "take on release", to whatever the opposite is. The one that only takes if focused.
You may not improve matters with that option.
Have you thought of using "Back Button Focus"?
BBF separates the focus function from the shutter release. One problem with shutter-button release is that the AF will try to re-establish focus at the time of release, and may not get it right, whether or not you have set the parameter to "Release" (shoot irrespective of focus), or "Focus" (focus must be confirmed). The issue is that by the time the camera decides that it's time to focus, and that it's "Just Right", the action has moved on. With BBF, the camera is always operating in release mode, because the user has taken control of the focus.
This can sound a bit counter-intuitive, but consider following a moving subject with a smooth progression of focus (BBF) compared with a series of steps that might (or not) be in focus (Shutter Button). -Something like sliding smoothly down a bannister compared to bumping down the steps in a fairly random manner.