Obstacle & Mud
Mud Masters Haarlemmermeer 2026
Date Friday, 12 Jun 2026 Distance 6km, 12km, 16km, 42km, Family: 3km/5km Where Stelling 1 Vijfhuizen, Netherlands
Why this run
Military-themed mud obstacle race with 42km marathon option featuring 80+ obstacles including water crossings, rope climbs, and mud pits through Dutch terrain.
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