Klaas-Jan Boomsma

Bib: 31391•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 25%

Gender (Male)

#0 / 16105

Top 37%

Masters (Masters Men)

#0 / 10463

Top 24%

Division (M50-54)

#0 / 1996

Top 20%

Race Day Weather

50°/40°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

21:59

Rank: #8408

Start → 5K

21:59 | 7:05/mi

5K· 3.11 mi

21:59

Rank: #8408

Start → 5K

21:59 | 7:05/mi

10K· 6.21 mi

43:30

Rank: #7855 (+553)

5K → 10K

21:31 | 6:56/mi

10K· 6.21 mi

43:30

Rank: #7855 (+553)

5K → 10K

21:31 | 6:56/mi

15K· 9.32 mi

1:05:15

Rank: #7753 (+102)

10K → 15K

21:45 | 7:00/mi

15K· 9.32 mi

1:05:15

Rank: #7753 (+102)

10K → 15K

21:45 | 7:00/mi

20K· 12.43 mi

1:27:00

Rank: #7507 (+246)

15K → 20K

21:45 | 7:00/mi

20K· 12.43 mi

1:27:00

Rank: #7507 (+246)

15K → 20K

21:45 | 7:00/mi

Half· 13.11 mi

1:31:40

Rank: #7445 (+62)

20K → Half

4:40 | 6:50/mi

Half· 13.11 mi

1:31:40

Rank: #7445 (+62)

20K → Half

4:40 | 6:50/mi

25K· 15.53 mi

1:48:39

Rank: #7219 (+226)

Half → 25K

16:59 | 7:00/mi

25K· 15.53 mi

1:48:39

Rank: #7219 (+226)

Half → 25K

16:59 | 7:00/mi

30K· 18.64 mi

2:11:35

Rank: #7062 (+157)

25K → 30K

22:56 | 7:23/mi

30K· 18.64 mi

2:11:35

Rank: #7062 (+157)

25K → 30K

22:56 | 7:23/mi

20M

2:21:40

Rank: #6942 (+120)

30K → 20M

10:05 | 7:25/mi

20M

2:21:40

Rank: #6942 (+120)

30K → 20M

10:05 | 7:25/mi

21M

2:29:49

Rank: #6949 (-7)

20M → 21M

8:09 | 8:09/mi

21M

2:29:49

Rank: #6949 (-7)

20M → 21M

8:09 | 8:09/mi

35K· 21.75 mi

2:35:17

Rank: #6928 (+21)

21M → 35K

5:28 | 7:18/mi

35K· 21.75 mi

2:35:17

Rank: #6928 (+21)

21M → 35K

5:28 | 7:18/mi

23M

2:44:51

Rank: #6884 (+44)

35K → 23M

9:34 | 7:38/mi

23M

2:44:51

Rank: #6884 (+44)

35K → 23M

9:34 | 7:38/mi

24M

2:52:25

Rank: #6897 (-13)

23M → 24M

7:34 | 7:34/mi

24M

2:52:25

Rank: #6897 (-13)

23M → 24M

7:34 | 7:34/mi

40K· 24.85 mi

2:58:59

Rank: #6883 (+14)

24M → 40K

6:34 | 7:41/mi

40K· 24.85 mi

2:58:59

Rank: #6883 (+14)

24M → 40K

6:34 | 7:41/mi

25.2M

3:01:58

Rank: #6902 (-19)

40K → 25.2M

2:59 | 8:39/mi

25.2M

3:01:58

Rank: #6902 (-19)

40K → 25.2M

2:59 | 8:39/mi

Finish· 26.22 mi

3:09:44

Rank: #6980 (-78)

25.2M → Finish

7:46 | 7:37/mi

Finish· 26.22 mi

3:09:44

Rank: #6980 (-78)

25.2M → Finish

7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:31:40

Pace7:00 /mi

2nd Half

Distance13.11 mi

Time1:38:04

Pace7:29 /mi

📊Positive Split: 7.0% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:43:43	21:59	7:05	21:59	7:05	-
10K	6.21 mi	12:05:14	43:30	7:00	21:31	6:56	-0:09
15K	9.32 mi	12:26:59	1:05:15	7:00	21:45	7:00	+0:04
20K	12.43 mi	12:48:44	1:27:00	7:00	21:45	7:00	0:00
Half	13.11 mi	12:53:24	1:31:40	7:00	4:40	6:50	-0:10
25K	15.53 mi	13:10:23	1:48:39	7:00	16:59	7:00	+0:10
30K	18.64 mi	13:33:19	2:11:35	7:04	22:56	7:23	+0:23
20M	20.00 mi	13:43:24	2:21:40	7:05	10:05	7:25	+0:02
21M	21.00 mi	13:51:33	2:29:49	7:08	8:09	8:09	+0:44
35K	21.75 mi	13:57:01	2:35:17	7:08	5:28	7:18	-0:51
23M	23.00 mi	14:06:35	2:44:51	7:10	9:34	7:38	+0:20
24M	24.00 mi	14:14:09	2:52:25	7:11	7:34	7:34	-0:04
40K	24.85 mi	14:20:43	2:58:59	7:12	6:34	7:41	+0:07
25.2M	25.20 mi	14:23:42	3:01:58	7:13	2:59	8:39	+0:58
Finish	26.22 mi	14:31:28	3:09:44	7:15	7:46	7:37	-1:02

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:50 /mi

Average Pace

7:15 /mi

Slowest Pace

8:39 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:39

57% of race

Time at Steady Pace

53:49

28% of race

Time at Slower Pace

27:16

14% of race

Average Pace: 7:14 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:43:43	21:59	7:05	21:59	7:05	#8408
10K	6.21 mi	12:05:14	43:30	7:00	21:31	6:56	#7855
15K	9.32 mi	12:26:59	1:05:15	7:00	21:45	7:00	#7753
20K	12.43 mi	12:48:44	1:27:00	7:00	21:45	7:00	#7507
Half	13.11 mi	12:53:24	1:31:40	7:00	4:40	6:50	#7445
25K	15.53 mi	13:10:23	1:48:39	7:00	16:59	7:00	#7219
30K	18.64 mi	13:33:19	2:11:35	7:04	22:56	7:23	#7062
20M	20.00 mi	13:43:24	2:21:40	7:05	10:05	7:25	#6942
21M	21.00 mi	13:51:33	2:29:49	7:08	8:09	8:09	#6949
35K	21.75 mi	13:57:01	2:35:17	7:08	5:28	7:18	#6928
23M	23.00 mi	14:06:35	2:44:51	7:10	9:34	7:38	#6884
24M	24.00 mi	14:14:09	2:52:25	7:11	7:34	7:34	#6897
40K	24.85 mi	14:20:43	2:58:59	7:12	6:34	7:41	#6883
25.2M	25.20 mi	14:23:42	3:01:58	7:13	2:59	8:39	#6902
Finish	26.22 mi	14:31:28	3:09:44	7:15	7:46	7:37	#6980

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	3.11 mi	8408	7249	7249	7627(Top 27%)	6698(Top 42%)	6698(Top 336%)
10K	6.21 mi	3.10 mi	7855+553	6885+364	6885+364	7427(Top 26%)	6584(Top 41%)	6584(Top 330%)
15K	9.32 mi	3.11 mi	7753+102	6819+66	6819+66	7627(Top 27%)	6698(Top 42%)	6698(Top 336%)
20K	12.43 mi	3.11 mi	7507+246	6638+181	6638+181	6864(Top 24%)	6103(Top 38%)	6103(Top 306%)
Half	13.11 mi	0.68 mi	7445+62	6591+47	6591+47	6438(Top 23%)	5778(Top 36%)	5778(Top 289%)
25K	15.53 mi	2.42 mi	7219+226	6411+180	6411+180	6352(Top 22%)	5654(Top 35%)	5654(Top 283%)
30K	18.64 mi	3.11 mi	7062+157	6257+154	6257+154	6934(Top 24%)	5926(Top 37%)	5926(Top 297%)
20M	20.00 mi	1.36 mi	6942+120	6136+121	6136+121	6483(Top 23%)	5509(Top 34%)	5509(Top 276%)
21M	21.00 mi	1.00 mi	6949-7	6122+14	6122+14	8223(Top 29%)	6374(Top 40%)	6374(Top 319%)
35K	21.75 mi	0.75 mi	6928+21	6090+32	6090+32	7241(Top 25%)	5825(Top 36%)	5825(Top 292%)
23M	23.00 mi	1.25 mi	6884+44	6019+71	6019+71	7488(Top 26%)	5857(Top 36%)	5857(Top 293%)
24M	24.00 mi	1.00 mi	6897-13	5999+20	5999+20	8115(Top 29%)	6173(Top 38%)	6173(Top 309%)
40K	24.85 mi	0.85 mi	6883+14	5961+38	5961+38	7910(Top 28%)	5930(Top 37%)	5930(Top 297%)
25.2M	25.20 mi	0.35 mi	6902-19	5960+1	5960+1	9610(Top 34%)	6729(Top 42%)	6729(Top 337%)
Finish	26.22 mi	1.02 mi	6980-78	5981-21	5981-21	10065(Top 35%)	7002(Top 43%)	7002(Top 351%)

7002

Passing Analysis

Category:

Athletes Passed

2243

Passed By

815

Net Change

+1428

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#8408
5K → 10K	602	49	+553	#8408	#7855
10K → 15K	186	84	+102	#7855	#7753
15K → 20K	280	34	+246	#7753	#7507
20K → Half	68	6	+62	#7507	#7445
Half → 25K	240	14	+226	#7445	#7219
25K → 30K	240	83	+157	#7219	#7062
30K → 20M	163	43	+120	#7062	#6942
20M → 21M	94	101	-7	#6942	#6949
21M → 35K	61	40	+21	#6949	#6928
35K → 23M	112	68	+44	#6928	#6884
23M → 24M	66	79	-13	#6884	#6897
24M → 40K	72	58	+14	#6897	#6883
40K → 25.2M	18	37	-19	#6883	#6902
25.2M → Finish	41	119	-78	#6902	#6980
TOTALS	2243	815	+1428