How many 1-km runs are part of a HYROX race?

6

8

10

What role does aerobic capacity play when performing bouts of high-intensity activities?

Delays fatigue

Increases power output

Improves muscular strength

What is the estimated energy system contribution of glycolysis for a HYROX solo event?

5 – 10%

20 – 30%

60 – 70%

What is the work-to-rest profile for HYROX solo?

Continuous

3:1

1:1

What do the physiological determinants of local muscular endurance include?

Lactate clearance

Explosive power

Mitochondrial content

How are the weights for the sled push and the sled pull determined in HYROX?

Individualized to body mass

Fixed for each event

Scaled based on the athlete’s age group or division

What can maximal strength and explosive strength improve?

Running economy

VO2max

Resting breath rate

What is the correlation between countermovement jump height and hybrid fitness workout performance?

Low

Moderate

None

What is the effect of improved mobility on HYROX performance?

Universally enhances performance across events

Not a critical factor influencing event performance

Detrimental to power-dependent event performance

What relative level of body fat is a predictor of performance across various hybrid fitness workouts?

High

Moderate

Low