On 29 August 2009, Shaftesbury participated in the Ultra-Trail du Mont-Blanc (UTMB) TDS Sur les Traces des Ducs de Savoie mountain ultramarathon, which is the most difficult foot race in Europe.
On 29 August 2009, Shaftesbury participated in the Ultra-Trail du Mont-Blanc (UTMB) TDS Sur les Traces des Ducs de Savoie mountain ultramarathon. The distance is approximately 105 km, with a total elevation gain of around 6,700 m. Some believe that it is the most difficult foot race in Europe.