🇳🇱Jan-Willem Kalkman

NED

7 races|4 divisions|2 seasons|HYROX PRO, HYROX PRO DOUBLES, HYROX DOUBLES, HYROX

HYROX DOUBLESMen

Gent 2025 · Dec 2025

Top 5%#7,267 / 151,672

🇧🇪GentDec 25

🇳🇱UtrechtNov 25

🇧🇪BelgiumApr 25

Avg 1:01:48·3 races

HYROX PRO DOUBLESMen

Amsterdam 2026 · Jan 2026

Top 50%#6,829 / 25,837

🇳🇱AmsterdamJan 26

Avg 1:04:10·1 race

HYROXMen

Maastricht 2025 · Sep 2025

Top 25%#69,375 / 281,146

🇳🇱MaastrichtSep 25

🇳🇱RotterdamFeb 25

Avg 1:18:34·2 races

HYROX PROMen

Rotterdam 2026 · Apr 2026

#31,563 / 54,222

🇳🇱RotterdamApr 26

Avg 1:24:28·1 race

Station Profile

vs 26,602 peers (54:00–1:06:00)

Dashed ring = cohort average · Outside = faster than peers

Strengths

Burpees+24.8%

Sandbag+21.0%

Wall Balls+6.2%

Weaknesses

Sled Push-12.6%

Farmers-7.9%

SkiErg-4.5%

Race History

Event	Division	Date	Time	Rank	AG
🇳🇱RotterdamPRO	HYROX PRO	Apr 2026	1:24:28	#196	#45
🇳🇱AmsterdamPRO DOUBLES	HYROX PRO DOUBLES	Jan 2026	1:04:10	#177	#30
🇧🇪GentDOUBLES	HYROX DOUBLES	Dec 2025	1:00:04	#64	#7
🇳🇱UtrechtDOUBLES	HYROX DOUBLES	Nov 2025	1:01:45	#76	#8
🇳🇱MaastrichtHYROX	HYROX	Sep 2025	1:17:27	#785	#155
🇧🇪BelgiumDOUBLES	HYROX DOUBLES	Apr 2025	1:03:35	#104	#48
🇳🇱RotterdamHYROX	HYROX	Feb 2025	1:19:42	#733	#187

Performance Over Time

HYROX

HYROX DOUBLES

HYROX PRO DOUBLES

HYROX PRO

Split Analysis

Running Splits

Run 17r

Fast

3:17

Avg

4:16

Slow

5:24

Run 27r

Fast

3:54

Avg

4:09

Slow

4:31

Run 37r

Fast

4:02

Avg

4:24

Slow

4:49

Run 47r

Fast

4:06

Avg

4:27

Slow

5:00

Run 57r

Fast

4:03

Avg

4:30

Slow

5:02

Run 67r

Fast

4:01

Avg

4:27

Slow

4:57

Run 77r

Fast

4:07

Avg

4:33

Slow

4:59

Run 87r

Fast

3:38

Avg

4:50

Slow

5:43

Run Total7r

Fast

33:30

Avg

35:36

Slow

39:32

Best Run7r

Fast

3:38

Avg

4:02

Slow

4:31

Workout Splits

SkiErg7r

Fast

3:41

Avg

4:06

Slow

4:49

Sled Push7r

Fast

1:18

Avg

2:29

Slow

4:46

Sled Pull7r

Fast

2:33

Avg

4:01

Slow

6:19

Burpee Broad Jump7r

Fast

1:57

Avg

3:15

Slow

4:39

Row7r

Fast

4:09

Avg

4:30

Slow

5:07

Farmers Carry7r

Fast

1:24

Avg

1:49

Slow

2:32

Sandbag Lunges7r

Fast

2:16

Avg

3:53

Slow

6:14

Wall Balls7r

Fast

3:37

Avg

5:14

Slow

8:35

Roxzone

Roxzone Time7r

Fast

3:30

Avg

5:17

Slow

7:25

Split	Fastest	Average	Slowest	# Races
Running Splits
Run 1	3:17	4:16	5:24	7
Run 2	3:54	4:09	4:31	7
Run 3	4:02	4:24	4:49	7
Run 4	4:06	4:27	5:00	7
Run 5	4:03	4:30	5:02	7
Run 6	4:01	4:27	4:57	7
Run 7	4:07	4:33	4:59	7
Run 8	3:38	4:50	5:43	7
Run Total	33:30	35:36	39:32	7
Best Run	3:38	4:02	4:31	7
Workout Splits
SkiErg	3:41	4:06	4:49	7
Sled Push	1:18	2:29	4:46	7
Sled Pull	2:33	4:01	6:19	7
Burpee Broad Jump	1:57	3:15	4:39	7
Row	4:09	4:30	5:07	7
Farmers Carry	1:24	1:49	2:32	7
Sandbag Lunges	2:16	3:53	6:14	7
Wall Balls	3:37	5:14	8:35	7
Roxzone
Roxzone Time	3:30	5:17	7:25	7