Marathon Des Sables 2021 Endurance Runners to Benefit from Satellite Tracking and Safety Thanks to 950 Globalstar SPOT Devices Highlights: Athletes and support staff in the 35 th running of MARATHON DES SABLES , the world’s most extreme running race, will rely on the Globalstar satellite network and SPOT messengers for safety and tracking Rescheduled from 2020, MDS will take place 1-11 October 2021: SPOT’s accurate GPS Read More
