Winterlaufserie Mörfelden is a winter road-running series in Mörfelden-Walldorf, Hesse, Germany. The race begins at the Waldstadion on Rüsselsheimer Str. It has been held annually since 1977 and is organized by SKV 1879 Mörfelden Lauf. The program lists a 5 km run, and Nordic Walking is also available, catering to those seeking a brief winter challenge instead of a long-distance event.
The course is a road race starting near the Waldstadion, with distances of 5 km mentioned in the series listings. The event's local history is reflected in the online availability of results from past editions. Following the series, the club conducts a modest closing ceremony. Small tokens of appreciation are presented to consistent participants and supporters, such as Klaus von der Grün, Rudi Dötsch, Ilse Heck, and the Pojezny family.