Gemma Chapman

Bib: 67630 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

12:52/mi

39:58

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

14:03/mi

1:23:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:40/mi

2:06:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:38/mi

2:48:22

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:52/mi

2:57:40

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:58/mi

3:31:39

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:06/mi

4:15:25

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:32/mi

5:00:33

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:28/mi

5:45:28

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:37/mi

6:04:01

↑ 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

2:57:4013:34 /mi⚡ faster

2nd Half

3:06:2114:13 /mi+4.9%

Positive split — 4.9% slower in the second half

AI Race Performance Report

Gemma'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	39:58	12:52	3.11 mi	39:58	12:52	-
10K	1:23:36	13:28	3.10 mi	43:38	14:03	+1:11
15K	2:06:03	13:32	3.11 mi	42:27	13:40	-0:23
20K	2:48:22	13:33	3.11 mi	42:19	13:38	-0:02
Half(13.10 mi)	2:57:40	13:34	0.67 mi	9:18	13:52	+0:14
25K	3:31:39	13:38	2.43 mi	33:59	13:58	+0:06
30K	4:15:25	13:43	3.11 mi	43:46	14:06	+0:08
35K	5:00:33	13:50	3.11 mi	45:08	14:32	+0:26
40K	5:45:28	13:54	3.10 mi	44:55	14:28	-0:04
Finish(26.22 mi)	6:04:01	13:54	1.37 mi	18:33	13:37	-0:51

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:52 /mi

Average Pace

13:54 /mi

Slowest Pace

14:32 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:33:58

75% of race

Time at Steady Pace

1:30:03

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:53 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	56847	23917	23917	54855	22621	22621
10K	3.10 mi	57258-411	24228-311	24228-311	57432	24388	24388
15K	3.11 mi	56550+708	23734+494	23734+494	54855	22621	22621
20K	3.11 mi	55868+682	23275+459	23275+459	53795	22090	22090
Half(13.10 mi)	0.67 mi	55754+114	23201+74	23201+74	53214	21899	21899
25K	2.43 mi	55069+685	22756+445	22756+445	51060	20582	20582
30K	3.11 mi	54291+778	22309+447	22309+447	49423	19855	19855
35K	3.11 mi	53667+624	21999+310	21999+310	48617	19876	19876
40K	3.10 mi	53433+234	21919+80	21919+80	50471	21000	21000
Finish(26.22 mi)	1.37 mi	53325+108	21881+38	21881+38	49569	20529	20529

20529

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