[4] He successfully defended his title in 2015 winning the gold medal in sprint with a 3 second edge over Aleksi Niemi from Finland.

[10] The New Zealand contingent was limited to two members due to the inability for NZ-based athletes to travel out of the country.

[11] At the 2021 World Championships Sprint in the Czech Republic, Robertson won bronze - continuing to cement his legacy as one of New Zealand's most successful orienteers.

[12] In the final, Robertson finished with the bronze medal, 13 seconds off the Swedish champion Isac Von Krusenstierna.

[13] At the 2018 World University Orienteering Championships, Robertson won a gold medal in the men's sprint competition.