Jemma Cox

Bib: 24056 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 44%

Masters (Masters Women)

#0 / 11371

Top 42%

Division (F40-44)

#0 / 3355

Top 49%

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

10:53/mi

33:46

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:30/mi

1:06:22

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:52/mi

1:40:06

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:28/mi

2:12:35

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:37/mi

2:19:42

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:34/mi

2:45:24

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:48/mi

3:18:56

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:01/mi

3:53:08

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:52/mi

4:26:51

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:34/mi

4:41:15

↑ 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

2:19:4210:40 /mi⚡ faster

2nd Half

2:21:3310:48 /mi+1.3%

Positive split — 1.3% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	33:46	10:53	3.11 mi	33:46	10:53	-
10K	1:06:22	10:41	3.10 mi	32:36	10:30	-0:23
15K	1:40:06	10:45	3.11 mi	33:44	10:52	+0:22
20K	2:12:35	10:41	3.11 mi	32:29	10:28	-0:24
Half(13.10 mi)	2:19:42	10:40	0.67 mi	7:07	10:37	+0:09
25K	2:45:24	10:39	2.43 mi	25:42	10:34	-0:03
30K	3:18:56	10:41	3.11 mi	33:32	10:48	+0:14
35K	3:53:08	10:44	3.11 mi	34:12	11:01	+0:13
40K	4:26:51	10:45	3.10 mi	33:43	10:52	-0:09
Finish(26.22 mi)	4:41:15	10:45	1.37 mi	14:24	10:34	-0:18

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:28 /mi

Average Pace

10:44 /mi

Slowest Pace

11:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:07:03

88% of race

Time at Steady Pace

34:12

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:44 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	47207	17548	17548	40465	13771	13771
10K	3.10 mi	44063+3144	15687+1861	15687+1861	41238	14124	14124
15K	3.11 mi	42661+1402	14888+799	14888+799	40465	13771	13771
20K	3.11 mi	41167+1494	14154+734	14154+734	37516	12542	12542
Half(13.10 mi)	0.67 mi	40806+361	13989+165	13989+165	35885	11891	11891
25K	2.43 mi	39333+1473	13346+643	13346+643	33786	11115	11115
30K	3.11 mi	37590+1743	12656+690	12656+690	31275	10383	10383
35K	3.11 mi	35962+1628	12084+572	12084+572	28428	9733	9733
40K	3.10 mi	34595+1367	11662+422	11662+422	26899	9580	9580
Finish(26.22 mi)	1.37 mi	34141+454	11533+129	11533+129	27753	9951	9951

9951

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