Jack Letson

Bib: 43163 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 0.4%

Gender (Male)

#0 / 33594

Top 0.7%

Masters (Masters Men)

#0 / 16876

Top 0.2%

Division (M45-49)

#0 / 4167

Top 0.3%

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

5:36/mi

17:22

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

5:37/mi

34:49

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

5:47/mi

52:47

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

5:41/mi

1:10:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

5:51/mi

1:14:21

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

5:45/mi

1:28:19

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

5:52/mi

1:46:31

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

5:53/mi

2:04:45

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

5:55/mi

2:23:06

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

6:00/mi

2:31:17

↑ 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

1:14:215:41 /mi⚡ faster

2nd Half

1:16:565:52 /mi+3.5%

Positive split — 3.5% 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	17:22	5:36	3.11 mi	17:22	5:36	-
10K	34:49	5:37	3.10 mi	17:27	5:37	+0:01
15K	52:47	5:40	3.11 mi	17:58	5:47	+0:10
20K	1:10:26	5:41	3.11 mi	17:39	5:41	-0:06
Half(13.10 mi)	1:14:21	5:41	0.67 mi	3:55	5:51	+0:10
25K	1:28:19	5:42	2.43 mi	13:58	5:45	-0:06
30K	1:46:31	5:43	3.11 mi	18:12	5:52	+0:07
35K	2:04:45	5:45	3.11 mi	18:14	5:53	+0:01
40K	2:23:06	5:46	3.10 mi	18:21	5:55	+0:02
Finish(26.22 mi)	2:31:17	5:47	1.37 mi	8:11	6:00	+0:05

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:36 /mi

Average Pace

5:46 /mi

Slowest Pace

6:00 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:46:31

70% of race

Time at Steady Pace

44:46

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:46 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	236	231	231	285	281	281
10K	3.10 mi	230+6	225+6	225+6	231	227	227
15K	3.11 mi	241-11	236-11	236-11	285	281	281
20K	3.11 mi	251-10	248-12	248-12	330	325	325
Half(13.10 mi)	0.67 mi	254-3	252-4	252-4	331	325	325
25K	2.43 mi	259-5	257-5	257-5	309	302	302
30K	3.11 mi	263-4	260-3	260-3	306	298	298
35K	3.11 mi	254+9	251+9	251+9	268	262	262
40K	3.10 mi	243+11	241+10	241+10	259	251	251
Finish(26.22 mi)	1.37 mi	248-5	246-5	246-5	390	380	380

380

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