David Castle

Bib: 20851 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M45-49)

#0 / 4167

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

9:37/mi

29:50

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:02/mi

1:00:59

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:34/mi

1:36:55

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:14/mi

2:08:40

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:37/mi

2:15:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:16/mi

2:43:12

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:55/mi

3:20:11

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:23/mi

3:58:38

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:41/mi

4:38:01

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:44/mi

4:55:23

↑ 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

2:15:4710:22 /mi⚡ faster

2nd Half

2:39:3612:10 /mi+17.5%

Positive split — 17.5% slower in the second half

AI Race Performance Report

David'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	29:50	9:37	3.11 mi	29:50	9:37	-
10K	1:00:59	9:49	3.10 mi	31:09	10:02	+0:25
15K	1:36:55	10:24	3.11 mi	35:56	11:34	+1:32
20K	2:08:40	10:22	3.11 mi	31:45	10:14	-1:20
Half(13.10 mi)	2:15:47	10:22	0.67 mi	7:07	10:37	+0:23
25K	2:43:12	10:31	2.43 mi	27:25	11:16	+0:39
30K	3:20:11	10:45	3.11 mi	36:59	11:55	+0:39
35K	3:58:38	10:59	3.11 mi	38:27	12:23	+0:28
40K	4:38:01	11:12	3.10 mi	39:23	12:41	+0:18
Finish(26.22 mi)	4:55:23	11:17	1.37 mi	17:22	12:44	+0:03

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:37 /mi

Average Pace

11:16 /mi

Slowest Pace

12:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:39:51

34% of race

Time at Steady Pace

1:40:20

34% of race

Time at Slower Pace

1:35:12

32% of race

Average Pace: 11:16 /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	34422	23735	23735	45808	28950	28950
10K	3.10 mi	35552-1130	24317-582	24317-582	36697	24876	24876
15K	3.11 mi	39526-3974	26271-1954	26271-1954	45808	28950	28950
20K	3.11 mi	38324+1202	25603+668	25603+668	35526	23942	23942
Half(13.10 mi)	0.67 mi	38146+178	25478+125	25478+125	35814	23927	23927
25K	2.43 mi	38107+39	25333+145	25333+145	38659	25049	25049
30K	3.11 mi	38116-9	25147+186	25147+186	38455	24453	24453
35K	3.11 mi	37986+130	24861+286	24861+286	37140	23179	23179
40K	3.10 mi	38282-296	24808+53	24808+53	40198	24317	24317
Finish(26.22 mi)	1.37 mi	38660-378	24915-107	24915-107	44867	26753	26753

26753

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