Mark O'connor currently has a ranking of Advanced Level A+ (week 23/2026), which is position TOP 100 among men in UK. Mark has run 6 scored trail races. The best scoring result achieved is several hundred RMT points on a course of ⨦ 98.5 km and + 3 150 m vertical during Kodiak Ultra Marathons in 2023. They recently participated in Squamish 50 2024 and scored a lot of RMT points.