The 57th edition of the Liège–Bastogne–Liège road cycling race in Belgium was held on 25 April 1971.

[1] Belgian Eddy Merckx concluded his second win in the monument classic, after beating his countryman Georges Pintens in a two-man sprint.

[2] Cycling icon Eddy Merckx attacked solo in Rocourt, at 92 kilometers from the finish in Liège, and soon had a five-minute advantage over his pursuers.

In a rare display, he suffered a sudden fatigue on the Mont-Theux and was joined by Georges Pintens.

[3] The race was run in harrowing weather conditions, with snow and cold rampaging the peloton.