that's disgusting XD
A similar thing happened to me on La Plata 2016:
I got 2 +2s on the 1st solve (1.39) and the 2nd one (2.40). If I hadn't got those +2s, the avg would have been 2.28 (NR and 3rd in my continent). But the avg was 3.17 D:
And I got a pop on 4x4, so the avg was 44.11 instead of 42.sth, again, it would have been NR. Btw, my times were 47, 37, 1:05, 50, 36, something like that. Check the st dev