^^^Winter tires are a TOTAL compromise, for any ambient temp gravel use
any way you look at it, over temperature correct compound, actual gravel rally tires to begin with, so nothing is going to even
come close to those.
IF I were competing in SCCA Rallycross I would spring for actual gravel tires, whether the take offs O.D.D has mentioned above, or the less expensive brands new, (than the premium Michelin, Pirelli, and DMack ones), on dedicated wheels which I would install at the events, and then take off for the trip home.
Since I must drive
many hundreds of miles to work/volunteer on the ARA events I do, (and then hundreds more getting out to the actual stages on paved roads once there), I absolutely CANNOT do so on gravel tires, since they would be slicks by the time I got to the event.
ANY mud at all would render even the 'treadiest'/'blockiest' all seasons useless, and since they are harder to find in XL ratings (which indicates much stronger side walls, which may be even
more important than compounding, IF you've ever seen some of stage roads on which these gravel rallies are held
), I just go with the (NON spongy/overly micro 'sipey' tread compound, NOT 'studless ice'), i.e.;
NOT the X-Ice3/Blizzak, etc., winter tires.
ONLY the pure 'studdable' (but we run them without studs of course) winter tires have anything even close to the paddle-like tread blocks found on REAL gravel rally tires, NO all seasons' tread patterns even come close at all.