Jack Spencer

Bib: 20540 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

10:29/mi

32:32

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:33/mi

1:05:18

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:41/mi

1:41:34

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:47/mi

2:24:22

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:10/mi

2:33:12

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:13/mi

3:07:48

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:03/mi

3:51:26

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:30/mi

4:36:28

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:55/mi

5:19:42

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:38/mi

5:36:55

↑ 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

2:33:1211:42 /mi⚡ faster

2nd Half

3:03:4314:01 /mi+19.9%

Positive split — 19.9% 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	32:32	10:29	3.11 mi	32:32	10:29	-
10K	1:05:18	10:31	3.10 mi	32:46	10:33	+0:04
15K	1:41:34	10:54	3.11 mi	36:16	11:41	+1:08
20K	2:24:22	11:38	3.11 mi	42:48	13:47	+2:06
Half(13.10 mi)	2:33:12	11:42	0.67 mi	8:50	13:10	-0:37
25K	3:07:48	12:06	2.43 mi	34:36	14:13	+1:03
30K	3:51:26	12:25	3.11 mi	43:38	14:03	-0:10
35K	4:36:28	12:43	3.11 mi	45:02	14:30	+0:27
40K	5:19:42	12:52	3.10 mi	43:14	13:55	-0:35
Finish(26.22 mi)	5:36:55	12:52	1.37 mi	17:13	12:38	-1:17

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:29 /mi

Average Pace

12:52 /mi

Slowest Pace

14:30 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:58:47

35% of race

Time at Steady Pace

2:53:06

51% of race

Time at Slower Pace

45:02

13% of race

Average Pace: 12:51 /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	43573	28128	28128	46522	29234	29234
10K	3.10 mi	42473+1100	27661+467	27661+467	41717	27282	27282
15K	3.11 mi	44038-1565	28301-640	28301-640	46522	29234	29234
20K	3.11 mi	48288-4250	29918-1617	29918-1617	54201	31779	31779
Half(13.10 mi)	0.67 mi	48428-140	29952-34	29952-34	50903	30404	30404
25K	2.43 mi	49173-745	30163-211	30163-211	51829	30724	30724
30K	3.11 mi	49157+16	30026+137	30026+137	49238	29426	29426
35K	3.11 mi	49102+55	29860+166	29860+166	48473	28619	28619
40K	3.10 mi	49013+89	29714+146	29714+146	47716	28084	28084
Finish(26.22 mi)	1.37 mi	48794+219	29593+121	29593+121	44199	26444	26444

26444

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