Mande ran a personal best 10km time of 27:35 to win the 10KM de Port-Gentil in Gabon in June. The time was a course record and the 12th fastest 10km time in the world this year. He also finished runner-up at the Cape Town OneRun 12km race this year. He has a half-marathon personal best of 60:14 set in Venlo, the Netherlands in 2018. As a junior he finished runner-up in the 5000m at the 2013 African Championships.