What a Wall Balls collapse actually looks like — four HYROX races, two failure modes
Wall Balls went 9:22 → 11:28 → 14:27 → 15:43 across four HYROX races. Heart rate shows two different ways to die on the last station.
Topic
Physiology
Heart rate, calories, fatigue signatures and what the body does over two hours of HYROX.
2 articles in this topic.
How many calories does HYROX burn? Four races compared
Four HYROX Open races burned about 1,441–1,723 active kcal on my Apple Watch. Delhi and Mumbai 2026 cost the most — and were also the slowest.
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