SubninetyIndependent HYROX analysis from four Open races (1:53 to 2:16), with chip splits and heart-rate data. Written by Prashant Singh.https://subninety.club/enWhat heart rate looks like during a HYROX racehttps://subninety.club/hyrox-bengaluru-2026/https://subninety.club/hyrox-bengaluru-2026/1,157 heart rate samples from a 2:01:06 finish; 92.3% at threshold or above.Fri, 16 Oct 2026 00:00:00 GMTHYROX Bengaluru 2026 calories: 1,441 kcal deep divehttps://subninety.club/hyrox-calories-burned/https://subninety.club/hyrox-calories-burned/1,441 active kcal over 16 segments; Wall Balls and Sled Pull tied at 115 kcal each.Fri, 16 Oct 2026 00:00:00 GMTMethodhttps://subninety.club/method/https://subninety.club/method/1,157 heart rate samples; total roxzone time distributed across 15 transitions.Fri, 16 Oct 2026 00:00:00 GMTHow to read a HYROX racehttps://subninety.club/start-here/https://subninety.club/start-here/Four Open finishes ranged from 1:53:41 to 2:16:26.Fri, 16 Oct 2026 00:00:00 GMTHYROX pacing checklisthttps://subninety.club/pacing-checklist/https://subninety.club/pacing-checklist/Delhi banked ~100 seconds on four strength stations and paid ~360 seconds late.Fri, 16 Oct 2026 00:00:00 GMTDiagnose your last HYROX in 20 minuteshttps://subninety.club/blog/20-minute-hyrox-self-diagnosis/https://subninety.club/blog/20-minute-hyrox-self-diagnosis/A repeatable method: three buckets, Wall Balls time+HR, station-vs-run heart rate, and annotated transitions — using one athlete's four-race dataset as the worked example.Tue, 22 Sep 2026 00:00:00 GMTPrashant Singhhyroxpacingheart-rateself-diagnosismethodAttack the stations or save it for the runs? Four HYROX races, one expensive lessonhttps://subninety.club/blog/hyrox-attack-stations-or-save-runs/https://subninety.club/blog/hyrox-attack-stations-or-save-runs/Across four HYROX races, attacking strength stations bought ~100 seconds and returned ~360 at Wall Balls. Heart rate shows why the stopwatch lied.Tue, 22 Sep 2026 00:00:00 GMTPrashant Singhhyroxpacingheart-ratestationswall-ballsMy slowest HYROX was 23 minutes off my best — and it was not mainly fitnesshttps://subninety.club/blog/hyrox-mumbai-2026-race-report/https://subninety.club/blog/hyrox-mumbai-2026-race-report/Mumbai HYROX 2026: 2:16:26. Versus 1:53:41 debut. Roxzone hit 19:11. Wall Balls 15:43. A race report that follows the minutes, not the story.Tue, 22 Sep 2026 00:00:00 GMTPrashant Singhhyroxrace-reportmumbairoxzonewall-ballsWhat a Wall Balls collapse actually looks like — four HYROX races, two failure modeshttps://subninety.club/blog/hyrox-wall-balls-collapse/https://subninety.club/blog/hyrox-wall-balls-collapse/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.Tue, 22 Sep 2026 00:00:00 GMTPrashant Singhhyroxwall-ballsheart-ratefatiguestationsRoxzone is a skill — until it blows up your HYROXhttps://subninety.club/blog/hyrox-roxzone-skill/https://subninety.club/blog/hyrox-roxzone-skill/My HYROX roxzone went 12:08 → 10:12 → 10:21 → 19:11. Transitions were the only durable gain across four races, then the biggest single loss.Mon, 21 Sep 2026 00:00:00 GMTPrashant Singhhyroxroxzonetransitionspacingrace-craftHow many calories does HYROX burn? Four races comparedhttps://subninety.club/blog/hyrox-calories-burned/https://subninety.club/blog/hyrox-calories-burned/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.Sun, 20 Sep 2026 00:00:00 GMTPrashant Singhhyroxcaloriesheart-rateenergy-expenditureapple-watch