John Alexander

Bib: 25428 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

10:33/mi

32:45

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:37/mi

1:05:41

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:12/mi

1:40:27

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:01/mi

2:14:38

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:24/mi

2:22:17

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:22/mi

2:57:16

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:14/mi

3:32:08

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:33/mi

4:08:00

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:27/mi

4:43:32

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:16/mi

4:57:31

↑ 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

2:22:1710:52 /mi⚡ faster

2nd Half

2:35:1411:50 /mi+9.1%

Positive split — 9.1% slower in the second half

AI Race Performance Report

John'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	32:45	10:33	3.11 mi	32:45	10:33	-
10K	1:05:41	10:35	3.10 mi	32:56	10:37	+0:04
15K	1:40:27	10:47	3.11 mi	34:46	11:12	+0:35
20K	2:14:38	10:51	3.11 mi	34:11	11:01	-0:11
Half(13.10 mi)	2:22:17	10:52	0.67 mi	7:39	11:24	+0:23
25K	2:57:16	11:25	2.43 mi	34:59	14:22	+2:58
30K	3:32:08	11:23	3.11 mi	34:52	11:14	-3:08
35K	4:08:00	11:25	3.11 mi	35:52	11:33	+0:19
40K	4:43:32	11:25	3.10 mi	35:32	11:27	-0:06
Finish(26.22 mi)	4:57:31	11:22	1.37 mi	13:59	10:16	-1:11

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:16 /mi

Average Pace

11:21 /mi

Slowest Pace

14:22 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:19:40

27% of race

Time at Steady Pace

3:02:52

61% of race

Time at Slower Pace

34:59

12% of race

Average Pace: 11:21 /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	44195	28377	28377	43134	27825	27825
10K	3.10 mi	43027+1168	27906+471	27906+471	42178	27484	27484
15K	3.11 mi	42971+56	27825+81	27825+81	43134	27825	27825
20K	3.11 mi	42513+458	27556+269	27556+269	41770	26931	26931
Half(13.10 mi)	0.67 mi	42448+65	27494+62	27494+62	41940	26745	26745
25K	2.43 mi	45227-2779	28560-1066	28560-1066	52250	30881	30881
30K	3.11 mi	43022+2205	27448+1112	27448+1112	34166	22355	22355
35K	3.11 mi	41131+1891	26349+1099	26349+1099	31893	20452	20452
40K	3.10 mi	39997+1134	25641+708	25641+708	31239	19651	19651
Finish(26.22 mi)	1.37 mi	39341+656	25262+379	25262+379	25131	16356	16356

16356

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