Gemma West

Bib: 77880 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

12:21/mi

38:21

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:57/mi

1:18:33

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:09/mi

2:02:30

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:37/mi

2:47:54

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

15:12/mi

2:58:06

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:33/mi

3:35:57

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:15/mi

4:26:24

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:37/mi

5:14:54

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:57/mi

6:01:19

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:51/mi

6:20:12

↑ 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

2:58:0613:36 /mi⚡ faster

2nd Half

3:22:0615:25 /mi+13.5%

Positive split — 13.5% 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	38:21	12:21	3.11 mi	38:21	12:21	-
10K	1:18:33	12:39	3.10 mi	40:12	12:57	+0:36
15K	2:02:30	13:09	3.11 mi	43:57	14:09	+1:12
20K	2:47:54	13:31	3.11 mi	45:24	14:37	+0:28
Half(13.10 mi)	2:58:06	13:36	0.67 mi	10:12	15:12	+0:35
25K	3:35:57	13:55	2.43 mi	37:51	15:33	+0:21
30K	4:26:24	14:18	3.11 mi	50:27	16:15	+0:42
35K	5:14:54	14:29	3.11 mi	48:30	15:37	-0:38
40K	6:01:19	14:33	3.10 mi	46:25	14:57	-0:40
Finish(26.22 mi)	6:20:12	14:31	1.37 mi	18:53	13:51	-1:06

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:21 /mi

Average Pace

14:31 /mi

Slowest Pace

16:15 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:21:23

37% of race

Time at Steady Pace

1:42:01

27% of race

Time at Slower Pace

2:16:48

36% of race

Average Pace: 14:30 /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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	55364	22840	22840	56037	23422	23422
10K	3.10 mi	55293+71	22833+7	22833+7	55186	22801	22801
15K	3.11 mi	55631-338	23097-264	23097-264	56037	23422	23422
20K	3.11 mi	55776-145	23212-115	23212-115	56144	23583	23583
Half(13.10 mi)	0.67 mi	55836-60	23263-51	23263-51	56313	23860	23860
25K	2.43 mi	55809+27	23272-9	23272-9	55160	23081	23081
30K	3.11 mi	55930-121	23382-110	23382-110	55810	23593	23593
35K	3.11 mi	55603+327	23223+159	23223+159	52693	22070	22070
40K	3.10 mi	55341+262	23107+116	23107+116	52374	22014	22014
Finish(26.22 mi)	1.37 mi	55169+172	23009+98	23009+98	50644	21112	21112

21112

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