Jessica Gemmell

Bib: 54172 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

11:34/mi

35:56

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:29/mi

1:11:34

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:15/mi

1:46:29

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:54/mi

2:20:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:14/mi

2:27:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:23/mi

2:55:33

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:35/mi

3:34:38

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:20/mi

4:12:55

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:35/mi

4:48:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:44/mi

5:03:30

↑ 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

2:27:5111:18 /mi⚡ faster

2nd Half

2:35:3911:52 /mi+5.3%

Positive split — 5.3% slower in the second half

AI Race Performance Report

Jessica'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	35:56	11:34	3.11 mi	35:56	11:34	-
10K	1:11:34	11:32	3.10 mi	35:38	11:29	-0:05
15K	1:46:29	11:26	3.11 mi	34:55	11:15	-0:14
20K	2:20:19	11:18	3.11 mi	33:50	10:54	-0:21
Half(13.10 mi)	2:27:51	11:18	0.67 mi	7:32	11:14	+0:20
25K	2:55:33	11:19	2.43 mi	27:42	11:23	+0:09
30K	3:34:38	11:31	3.11 mi	39:05	12:35	+1:12
35K	4:12:55	11:38	3.11 mi	38:17	12:20	-0:15
40K	4:48:53	11:38	3.10 mi	35:58	11:35	-0:45
Finish(26.22 mi)	5:03:30	11:36	1.37 mi	14:37	10:44	-0:51

Trend:

Faster pace

Steady pace

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More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:44 /mi

Average Pace

11:35 /mi

Slowest Pace

12:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:46:08

75% of race

Time at Steady Pace

1:17:22

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:35 /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	52103	20584	20584	43521	15471	15471
10K	3.10 mi	50501+1602	19577+1007	19577+1007	48966	18634	18634
15K	3.11 mi	48071+2430	18093+1484	18093+1484	43521	15471	15471
20K	3.11 mi	46080+1991	16993+1100	16993+1100	40927	14328	14328
Half(13.10 mi)	0.67 mi	45778+302	16828+165	16828+165	40765	14483	14483
25K	2.43 mi	44413+1365	16141+687	16141+687	39486	13984	13984
30K	3.11 mi	43970+443	16042+99	16042+99	42252	15919	15919
35K	3.11 mi	42763+1207	15615+427	15615+427	36841	13793	13793
40K	3.10 mi	41570+1193	15140+475	15140+475	32348	12069	12069
Finish(26.22 mi)	1.37 mi	41049+521	14915+225	14915+225	29129	10599	10599

10599

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