The riders of the 2nd bunch fighting against the wind in the infamous De Moeren.
Relatively early in the race, the peloton split in 2 (with 180 km (!) to go... ) and never regrouped after that; this is the 2nd group that never caught on again and kept chasing until the finish.
The strong western wind played a major role in this scenario

83rd Gent-Wevelgem - in Flanders Fields (ME - 1.UWT)
1 day race from Ieper to Wevelgem (BEL): 254km

©kramon