Portugal: Tier 1 - 2009-10

Portugal: Tier 1 - 2009-10 - Earliest Hamiltonian win cycle
CS Marítimo beat Porto 1-0 (H) on 8 Nov 2009
Porto beat Sporting CP 1-0 (H) on 26 Sep 2009
Sporting CP beat SC Olhanense 3-2 (H) on 21 Sep 2009
SC Olhanense beat Académica Coimbra 2-1 (H) on 13 Sep 2009
Académica Coimbra beat Vitória Guimarães 2-0 (H) on 2 Nov 2009
Vitória Guimarães beat Braga 1-0 (H) on 7 Nov 2009
Braga beat Benfica 2-0 (H) on 31 Oct 2009
Benfica beat Vitória Setúbal 8-1 (H) on 31 Aug 2009
Vitória Setúbal beat Leixões 1-0 (H) on 25 Oct 2009
Leixões beat União Leiria 3-2 (H) on 4 Oct 2009
União Leiria beat Paços Ferreira 1-0 (A) on 1 Nov 2009
Paços Ferreira beat Os Belenenses 3-0 (A) on 6 Nov 2009
Os Belenenses beat Naval 1 Maio 2-0 (H) on 24 Aug 2009
Naval 1 Maio beat Rio Ave 3-2 (H) on 3 Oct 2009
Rio Ave beat Nacional 2-0 (H) on 12 Sep 2009
Nacional beat CS Marítimo 2-1 (H) on 20 Sep 2009

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