Justin Marrow

Bib: 22135 M GU

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M50-54)

#0 / 3474

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

10:28/mi

32:31

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:08/mi

1:10:10

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:29/mi

1:45:49

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:48/mi

2:19:22

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:05/mi

2:26:48

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:46/mi

2:55:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:19/mi

3:30:35

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:49/mi

4:07:16

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:08/mi

4:44:56

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:36/mi

5:00:44

↑ 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

2:26:4811:13 /mi⚡ faster

2nd Half

2:33:5611:44 /mi+4.9%

Positive split — 4.9% slower in the second half

AI Race Performance Report

Justin'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	32:31	10:28	3.11 mi	32:31	10:28	-
10K	1:10:10	11:18	3.10 mi	37:39	12:08	+1:40
15K	1:45:49	11:22	3.11 mi	35:39	11:29	-0:39
20K	2:19:22	11:13	3.11 mi	33:33	10:48	-0:41
Half(13.10 mi)	2:26:48	11:13	0.67 mi	7:26	11:05	+0:17
25K	2:55:27	11:18	2.43 mi	28:39	11:46	+0:41
30K	3:30:35	11:18	3.11 mi	35:08	11:19	-0:27
35K	4:07:16	11:23	3.11 mi	36:41	11:49	+0:30
40K	4:44:56	11:28	3.10 mi	37:40	12:08	+0:19
Finish(26.22 mi)	5:00:44	11:29	1.37 mi	15:48	11:36	-0:32

Trend:

Faster pace

Steady pace

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More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:28 /mi

Average Pace

11:29 /mi

Slowest Pace

12:08 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:24:17

48% of race

Time at Steady Pace

2:36:27

52% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:28 /mi

Loading chart...

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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	43501	28091	28091	45185	28716	28716
10K	3.10 mi	49034-5533	30310-2219	30310-2219	52316	31389	31389
15K	3.11 mi	47553+1481	29704+606	29704+606	45185	28716	28716
20K	3.11 mi	45540+2013	28843+861	28843+861	40206	26232	26232
Half(13.10 mi)	0.67 mi	45192+348	28672+171	28672+171	39582	25701	25701
25K	2.43 mi	44348+844	28191+481	28191+481	41764	26480	26480
30K	3.11 mi	42395+1953	27158+1033	27158+1033	34730	22641	22641
35K	3.11 mi	40876+1519	26231+927	26231+927	33595	21339	21339
40K	3.10 mi	40425+451	25831+400	25831+400	36391	22337	22337
Finish(26.22 mi)	1.37 mi	40316+109	25751+80	25751+80	36509	22454	22454

22454

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