Marathons start on The Mall in St James’ Park at 8am and loop through the City three times. Towers along the route are ringing as the athletes pass.
| 9 Sep 2012 | City of London (St Katharine Cree, Leadenhall Street) | 5040 Surprise Minor | |
| 9 Sep 2012 | City of London (St Lawrence Jewry, Gresham Street) | 5120 Spliced Surprise Major (4M) | |
| 9 Sep 2012 | City of London (St Magnus the Martyr) | 5040 Cambridge Surprise Royal | |
| 9 Sep 2012 | City of London (St Mary le Bow) | 5042 Yorkshire S Maximus | |
| 9 Sep 2012 | City of London (St Paul's Cathedral) | 5067 Stedman Cinques | |
| 9 Sep 2012 | City of London (St Vedast, Foster Lane) | 5040 Surprise Minor (7m) | |
| 9 Sep 2012 | Westminster (St Margaret of Antioch) | 2012 Stedman Caters |