Jack Lazenbury

Bib: 17776 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

10:21/mi

32:09

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:31/mi

1:04:48

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:49/mi

1:38:24

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:58/mi

2:12:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:48/mi

2:20:21

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:34/mi

2:53:22

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:13/mi

3:37:30

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:50/mi

4:23:34

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:56/mi

5:09:56

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:09/mi

5:26:29

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:20:2110:43 /mi⚡ faster

2nd Half

3:06:0814:12 /mi+32.6%

Positive split — 32.6% slower in the second half

AI Race Performance Report

Jack's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	32:09	10:21	3.11 mi	32:09	10:21	-
10K	1:04:48	10:26	3.10 mi	32:39	10:31	+0:10
15K	1:38:24	10:34	3.11 mi	33:36	10:49	+0:18
20K	2:12:26	10:40	3.11 mi	34:02	10:58	+0:09
Half(13.10 mi)	2:20:21	10:43	0.67 mi	7:55	11:48	+0:50
25K	2:53:22	11:10	2.43 mi	33:01	13:34	+1:46
30K	3:37:30	11:41	3.11 mi	44:08	14:13	+0:39
35K	4:23:34	12:08	3.11 mi	46:04	14:50	+0:37
40K	5:09:56	12:29	3.10 mi	46:22	14:56	+0:06
Finish(26.22 mi)	5:26:29	12:28	1.37 mi	16:33	12:09	-2:47

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:21 /mi

Average Pace

12:28 /mi

Slowest Pace

14:56 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:12:26

41% of race

Time at Steady Pace

24:28

7% of race

Time at Slower Pace

2:49:35

52% of race

Average Pace: 12:27 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

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

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	42355	27601	27601	40118	26478	26478
10K	3.10 mi	41728+627	27336+265	27336+265	41376	27133	27133
15K	3.11 mi	41033+695	26983+353	26983+353	40118	26478	26478
20K	3.11 mi	41062-29	26920+63	26920+63	41415	26774	26774
Half(13.10 mi)	0.67 mi	41233-171	26957-37	26957-37	44598	27897	27897
25K	2.43 mi	43336-2103	27769-812	27769-812	49662	29854	29854
30K	3.11 mi	45050-1714	28350-581	28350-581	49907	29705	29705
35K	3.11 mi	45929-879	28534-184	28534-184	49869	29255	29255
40K	3.10 mi	46812-883	28797-263	28797-263	52304	30259	30259
Finish(26.22 mi)	1.37 mi	46519+293	28613+184	28613+184	40755	24710	24710

24710

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing