Sunday 6th August 2017
During the marathon races for the IAAF World Championships, the route of which passed the Cathedral, a peal of 5,138 Ariel Surprise Maximus was rung in 4 hours and 16 minutes by the following members of the St Thomas Society.
| Thomas B Mack | Treble |
| Paul N Mounsey | 2 |
| Christopher J Poole | 3 |
| Claire F Roulstone | 4 |
| Simon A Bond | 5 |
| James H Foster | 6 |
| Mark A Bell | 7 |
| Colin M Lee | 8 |
| Andrew J Graham | 9 |
| Ian Roulstone | 10 |
| Nicholas D Brown | 11 |
| John N Hughes-D'Aeth | Tenor |
Composed by P N Mounsey
Conducted by Paul N Mounsey