France: Ligue 1 - 2009-10

France: Ligue 1 - 2009-10 - Earliest Hamiltonian win cycle
Grenoble beat Toulouse 1-0 (H) on 6 Dec 2009
Toulouse beat Rennes 3-2 (H) on 8 Nov 2009
Rennes beat Montpellier 3-0 (H) on 24 Oct 2009
Montpellier beat Boulogne 1-0 (H) on 26 Sep 2009
Boulogne beat Saint  Étienne 1-0 (A) on 22 Aug 2009
Saint  Étienne beat Bordeaux 3-1 (H) on 3 Oct 2009
Bordeaux beat Le Mans 3-0 (H) on 24 Oct 2009
Le Mans beat Lens 3-0 (H) on 27 Sep 2009
Lens beat Marseille 1-0 (H) on 28 Nov 2009
Marseille beat PSG 1-0 (H) on 20 Nov 2009
PSG beat Sochaux 4-1 (A) on 1 Nov 2009
Sochaux beat Lorient 1-0 (H) on 24 Oct 2009
Lorient beat Lille 2-1 (A) on 9 Aug 2009
Lille beat Valenciennes 4-0 (H) on 28 Nov 2009
Valenciennes beat Monaco 3-1 (H) on 5 Dec 2009
Monaco beat Nice 3-1 (A) on 19 Sep 2009
Nice beat Olympique Lyonnais 4-1 (H) on 24 Oct 2009
Olympique Lyonnais beat Nancy 3-1 (H) on 29 Aug 2009
Nancy beat Auxerre 3-1 (A) on 6 Dec 2009
Auxerre beat Grenoble 2-0 (H) on 26 Sep 2009

HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.