ATHX vs Strong Viking: distance, stations, price & difficulty compared (2026-27)

ATHX is a UK-born hybrid fitness competition, co-founded by coach Ollie Marchon, that now runs events across the UK, Europe and the United States. Each ATHX event is a continuous 2.5-hour session across six zones. Every competitor completes the same three workouts: a Strength zone (20 minutes), an Endurance zone (30 minutes) and a MetCon X zone (30 minutes). These are separated by a warm-up zone, a refuel zone and a recovery zone. The workouts and movement standards are published for each season.

Athletes enter as singles or pairs, in an ATHX or a harder ATHX PRO category, and pairs can be same-sex or mixed. Season results lead to the ATHX Finals, held in Lisbon in 2026. The fixed rest periods and clear divisions make ATHX accessible to first-timers, while the strength element suits athletes who lift as well as run and row.

Strong Viking is an obstacle run series held in the Netherlands, Belgium and Germany, with Viking-themed courses featuring mud trenches, water and climbing obstacles such as the 14-metre Fjord Drop and Storm the Castle. The organisers present it as a challenge rather than a race, with a focus on helping fellow participants finish.

Distances range from a 4 km Family Run and a 4 km Beginning course for first-timers through the 7 km Lightning, 13 km Warrior and 19 km Beast to a 42 km course and the 60 km Ultra Viking. Event weekends listed for 2027 include Wijchen, Hofstade, Frankfurt and Ghent, with most offering several distances across two or three days. Strong Viking has won several obstakels.com awards, including best obstacle run of the Benelux. The shorter distances suit beginners and groups of friends, while the longer courses are aimed at experienced obstacle runners.