John Halsall

Bib: 53158 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 41%

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Top 47%

Division (M55-59)

#0 / 2251

Top 38%

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

9:10/mi

28:28

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:10/mi

56:56

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:26/mi

1:26:13

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:08/mi

1:54:35

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:13/mi

2:00:46

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:21/mi

2:23:32

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:48/mi

2:53:56

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:10/mi

3:25:29

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:36/mi

3:58:22

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:48/mi

4:13:05

↑ 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

2:00:469:14 /mi⚡ faster

2nd Half

2:12:1910:06 /mi+9.6%

Positive split — 9.6% 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	28:28	9:10	3.11 mi	28:28	9:10	-
10K	56:56	9:10	3.10 mi	28:28	9:10	0:00
15K	1:26:13	9:16	3.11 mi	29:17	9:26	+0:16
20K	1:54:35	9:14	3.11 mi	28:22	9:08	-0:18
Half(13.10 mi)	2:00:46	9:14	0.67 mi	6:11	9:13	+0:05
25K	2:23:32	9:15	2.43 mi	22:46	9:21	+0:08
30K	2:53:56	9:20	3.11 mi	30:24	9:48	+0:27
35K	3:25:29	9:27	3.11 mi	31:33	10:10	+0:22
40K	3:58:22	9:36	3.10 mi	32:53	10:36	+0:26
Finish(26.22 mi)	4:13:05	9:40	1.37 mi	14:43	10:48	+0:12

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:08 /mi

Average Pace

9:40 /mi

Slowest Pace

10:48 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:53:56

69% of race

Time at Steady Pace

1:04:26

25% of race

Time at Slower Pace

14:43

6% of race

Average Pace: 9:39 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	29165	20600	20600	26895	19264	19264
10K	3.10 mi	27945+1220	19842+758	19842+758	26874	19175	19175
15K	3.11 mi	27511+434	19624+218	19624+218	26895	19264	19264
20K	3.11 mi	26791+720	19159+465	19159+465	25352	18236	18236
Half(13.10 mi)	0.67 mi	26529+262	18985+174	18985+174	23064	16689	16689
25K	2.43 mi	25890+639	18538+447	18538+447	24226	17293	17293
30K	3.11 mi	25330+560	18067+471	18067+471	23988	16807	16807
35K	3.11 mi	24570+760	17385+682	17385+682	22867	15603	15603
40K	3.10 mi	24395+175	17045+340	17045+340	24901	16196	16196
Finish(26.22 mi)	1.37 mi	24507-112	17036+9	17036+9	29740	18814	18814

18814

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