Dean Jacobs

Bib: 20603 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

9:35/mi

29:44

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:26/mi

1:02:06

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:59/mi

1:39:17

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:38/mi

2:18:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:23/mi

2:26:47

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:37/mi

2:57:29

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:04/mi

3:38:03

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:06/mi

4:18:43

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:00/mi

4:59:04

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:13/mi

5:15:43

↑ 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

2:26:4711:13 /mi⚡ faster

2nd Half

2:48:5612:53 /mi+15.1%

Positive split — 15.1% 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	29:44	9:35	3.11 mi	29:44	9:35	-
10K	1:02:06	10:00	3.10 mi	32:22	10:26	+0:51
15K	1:39:17	10:40	3.11 mi	37:11	11:59	+1:33
20K	2:18:29	11:09	3.11 mi	39:12	12:38	+0:39
Half(13.10 mi)	2:26:47	11:13	0.67 mi	8:18	12:23	-0:15
25K	2:57:29	11:26	2.43 mi	30:42	12:37	+0:14
30K	3:38:03	11:42	3.11 mi	40:34	13:04	+0:27
35K	4:18:43	11:54	3.11 mi	40:40	13:06	+0:02
40K	4:59:04	12:02	3.10 mi	40:21	13:00	-0:06
Finish(26.22 mi)	5:15:43	12:04	1.37 mi	16:39	12:13	-0:47

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:35 /mi

Average Pace

12:03 /mi

Slowest Pace

13:06 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:39:17

31% of race

Time at Steady Pace

3:36:26

69% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:02 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	34115	23560	23560	48321	29915	29915
10K	3.10 mi	37347-3232	25241-1681	25241-1681	40523	26733	26733
15K	3.11 mi	41863-4516	27361-2120	27361-2120	48321	29915	29915
20K	3.11 mi	45025-3162	28624-1263	28624-1263	50453	30491	30491
Half(13.10 mi)	0.67 mi	45184-159	28669-45	28669-45	47507	29074	29074
25K	2.43 mi	45329-145	28598+71	28598+71	45810	28274	28274
30K	3.11 mi	45224+105	28420+178	28420+178	44742	27437	27437
35K	3.11 mi	44577+647	27934+486	27934+486	41314	25243	25243
40K	3.10 mi	44283+294	27657+277	27657+277	42309	25428	25428
Finish(26.22 mi)	1.37 mi	44110+173	27518+139	27518+139	41295	25004	25004

25004

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing