The HYROX competitor racks up miles on the tarmac before entering the gym. Amazfit confirms this: an analysis among athletes from six European countries shows that 93% combine HYROX with at least one other discipline. Running is the first: 63% practice it.
There's a direct reason: HYROX demands eight kilometers of running interspersed with eight functional exercise stations.
Without aerobic base, the athlete loses pace before the last season. Cycling ranks second among complementary activities, with 33%: it improves cardiovascular capacity without joint load.
Joanna Wietrzyk: Marathon runner and HYROX world record
Australian Joanna Wietrzyk illustrates that combination with concrete data. In Hamburg she won the Women's Elite category. In the Sunshine Coast Marathon he ran 2:52:43. In Phoenix he broke the world record with 56:03.
Heart rate data from his watch shows what that means in effort: in Hamburg, 88% of the time was spent in zones 4 and 5, an intensity equivalent to that of a 10K or elite half marathon.
In Phoenix that ratio dropped to 63%: between the two races, Wietrzyk reduced the metabolic cost of the test without losing performance.
Who knows how to recover between the sled push and the next race keeps the pace in the final stretch; who doesn't, loses time in the last kilometers.
DATA PER COUNTRY
The analysis shows different patterns depending on the territory.
In Spain, 94.8% of HYROX athletes combine discipline with other activities and running is the most frequent. Germany, where the sport was born, records 59% of runners and almost 43% of cyclists: Germans integrate cycling in their preparation more often than any other country in the analysis.

France has the highest rate of sports: 96.6% of its athletes practice other disciplines, with 38.1% of cyclists. Italy has 91.6% of multidisciplinary athletes and 63.5% of runners. Poland closes with 56.5% of runners and 23.5% of cyclists.
In all six countries the pattern repeats itself: HYROX competitors are aerobically based before they hit the gym.
Same engine
In HYROX, the determining factor is running fast under fatigue and moving loads when the body has already been on top for miles. Amazfit's data points to that: the hybrid athlete is not a marketing label, it is the profile that comes out in the data of six different countries.
That changes the preparation in both directions. The runner who trains for HYROX needs functional strength so as not to waste time in the seasons. The gym regular who approaches HYROX discovers that without aerobic work the last few miles are a problem.
For the triathlete or the popular runner, HYROX starts from a familiar base: endurance. The format adds the stations as a differential variable, but the engine that supports the test is the same one they already train.