Kerri Duffy

Bib: 75203 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 49%

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

10:04/mi

31:15

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:15/mi

1:03:04

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:43/mi

1:36:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:06/mi

2:10:47

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:46/mi

2:18:00

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:11/mi

2:45:14

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:41/mi

3:21:31

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:49/mi

3:58:13

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:26/mi

4:33:43

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:04/mi

4:48:48

↑ 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

2:18:0010:33 /mi⚡ faster

2nd Half

2:30:4811:30 /mi+9.3%

Positive split — 9.3% slower in the second half

AI Race Performance Report

Kerri'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	31:15	10:04	3.11 mi	31:15	10:04	-
10K	1:03:04	10:09	3.10 mi	31:49	10:15	+0:11
15K	1:36:20	10:21	3.11 mi	33:16	10:43	+0:28
20K	2:10:47	10:32	3.11 mi	34:27	11:06	+0:23
Half(13.10 mi)	2:18:00	10:33	0.67 mi	7:13	10:46	-0:20
25K	2:45:14	10:39	2.43 mi	27:14	11:11	+0:25
30K	3:21:31	10:49	3.11 mi	36:17	11:41	+0:30
35K	3:58:13	10:58	3.11 mi	36:42	11:49	+0:08
40K	4:33:43	11:01	3.10 mi	35:30	11:26	-0:23
Finish(26.22 mi)	4:48:48	11:02	1.37 mi	15:05	11:04	-0:22

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:04 /mi

Average Pace

11:01 /mi

Slowest Pace

11:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:58:38

41% of race

Time at Steady Pace

2:50:10

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:01 /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	39319	13059	13059	39231	13122	13122
10K	3.10 mi	38913+406	12849+210	12849+210	38831	12859	12859
15K	3.11 mi	38945-32	12911-62	12911-62	39231	13122	13122
20K	3.11 mi	39829-884	13457-546	13457-546	42395	15135	15135
Half(13.10 mi)	0.67 mi	39604+225	13373+84	13373+84	37095	12517	12517
25K	2.43 mi	39236+368	13295+78	13295+78	38156	13321	13321
30K	3.11 mi	38710+526	13217+78	13217+78	37068	13260	13260
35K	3.11 mi	37849+861	13009+208	13009+208	33627	12234	12234
40K	3.10 mi	36893+956	12738+271	12738+271	31179	11528	11528
Finish(26.22 mi)	1.37 mi	36584+309	12666+72	12666+72	32124	11986	11986

11986

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