[3] In 1968, Dingle and Murray Jones were the first to climb all six major European north faces and the Bonati pillar, including Eiger and Matterhorn, in one season.
However, Sherriff overtook him on this cycling leg riding in a strong bunch and clutched the overall win from him.
[5] Dingle was appointed a Member of the Order of the British Empire, for services to outdoor pursuits, in the 1988 Queen's Birthday Honours.
[7] In the 2001 New Year Honours, he was appointed an Officer of the New Zealand Order of Merit, for services to youth.
[8] He was promoted to Knight Companion of the New Zealand Order of Merit in the 2017 Queen's Birthday Honours, again for services to youth.