Jez Bragg Te Araroa trail ultra-run, photo: Damiano Levati / The North Face

How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 1How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 2How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 3How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 4How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 5How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 6How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 7How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 8How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 9How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 10How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 11How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 12How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 13How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 14How tech helped Jez Bragg complete 53 day ultra-run across New Zealand - photo 15