Dean Harfield

Bib: 55206 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

9:37/mi

29:50

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:44/mi

1:00:02

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:09/mi

1:31:31

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:15/mi

2:03:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:29/mi

2:10:21

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:32/mi

2:35:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:33/mi

3:11:51

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:25/mi

3:50:25

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:09/mi

4:28:09

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:48/mi

4:45:36

↑ 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

2:10:219:58 /mi⚡ faster

2nd Half

2:35:1511:50 /mi+19.1%

Positive split — 19.1% slower in the second half

AI Race Performance Report

Dean'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	1:00:02	9:40	3.10 mi	30:12	9:44	+0:07
15K	1:31:31	9:50	3.11 mi	31:29	10:09	+0:25
20K	2:03:19	9:56	3.11 mi	31:48	10:15	+0:06
Half(13.10 mi)	2:10:21	9:58	0.67 mi	7:02	10:29	+0:14
25K	2:35:58	10:03	2.43 mi	25:37	10:32	+0:03
30K	3:11:51	10:18	3.11 mi	35:53	11:33	+1:01
35K	3:50:25	10:36	3.11 mi	38:34	12:25	+0:52
40K	4:28:09	10:48	3.10 mi	37:44	12:09	-0:16
Finish(26.22 mi)	4:45:36	10:55	1.37 mi	17:27	12:48	+0:39

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:37 /mi

Average Pace

10:54 /mi

Slowest Pace

12:48 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:00:02

21% of race

Time at Steady Pace

1:35:56

34% of race

Time at Slower Pace

2:09:38

45% of race

Average Pace: 10:54 /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	34415	23729	23729	34031	23441	23441
10K	3.10 mi	34003+412	23491+238	23491+238	33732	23279	23279
15K	3.11 mi	33939+64	23437+54	23437+54	34031	23441	23441
20K	3.11 mi	34309-370	23556-119	23556-119	35650	23998	23998
Half(13.10 mi)	0.67 mi	34260+49	23508+48	23508+48	34708	23342	23342
25K	2.43 mi	33961+299	23263+245	23263+245	33499	22496	22496
30K	3.11 mi	34303-342	23204+59	23204+59	36282	23397	23397
35K	3.11 mi	34893-590	23267-63	23267-63	37367	23297	23297
40K	3.10 mi	35036-143	23125+142	23125+142	36533	22411	22411
Finish(26.22 mi)	1.37 mi	35568-532	23347-222	23347-222	45221	26909	26909

26909

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