Spencer Jackson

Bib: 22498 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

10:23/mi

32:15

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:23/mi

1:04:29

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:31/mi

1:37:07

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:08/mi

2:08:33

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:46/mi

2:15:06

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:02/mi

2:39:32

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:16/mi

3:11:23

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:44/mi

3:44:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:42/mi

4:21:01

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:55/mi

4:38:38

↑ 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

2:15:0610:19 /mi⚡ faster

2nd Half

2:23:3210:57 /mi+6.2%

Positive split — 6.2% slower in the second half

AI Race Performance Report

Spencer'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	32:15	10:23	3.11 mi	32:15	10:23	-
10K	1:04:29	10:23	3.10 mi	32:14	10:23	0:00
15K	1:37:07	10:26	3.11 mi	32:38	10:31	+0:08
20K	2:08:33	10:21	3.11 mi	31:26	10:08	-0:23
Half(13.10 mi)	2:15:06	10:19	0.67 mi	6:33	9:46	-0:22
25K	2:39:32	10:17	2.43 mi	24:26	10:02	+0:16
30K	3:11:23	10:17	3.11 mi	31:51	10:16	+0:14
35K	3:44:41	10:20	3.11 mi	33:18	10:44	+0:28
40K	4:21:01	10:31	3.10 mi	36:20	11:42	+0:58
Finish(26.22 mi)	4:38:38	10:39	1.37 mi	17:37	12:55	+1:13

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:46 /mi

Average Pace

10:38 /mi

Slowest Pace

12:55 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

6:33

2% of race

Time at Steady Pace

3:38:08

78% of race

Time at Slower Pace

53:57

19% of race

Average Pace: 10:38 /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	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	42662	27717	27717	37388	25138	25138
10K	3.10 mi	41268+1394	27124+593	27124+593	40068	26523	26523
15K	3.11 mi	39725+1543	26371+753	26371+753	37388	25138	25138
20K	3.11 mi	38239+1486	25558+813	25558+813	34587	23463	23463
Half(13.10 mi)	0.67 mi	37669+570	25241+317	25241+317	28465	20027	20027
25K	2.43 mi	36044+1625	24291+950	24291+950	29606	20418	20418
30K	3.11 mi	34071+1973	23088+1203	23088+1203	27334	18755	18755
35K	3.11 mi	32498+1573	21971+1117	21971+1117	26438	17585	17585
40K	3.10 mi	32541-43	21743+228	21743+228	33216	20675	20675
Finish(26.22 mi)	1.37 mi	33271-730	22079-336	22079-336	45959	27267	27267

27267

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