Harriet Simpson

Bib: 16689 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 35%

Gender (Female)

#0 / 26115

Top 23%

Division (F18-39)

#0 / 14744

Top 25%

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

9:05/mi

28:12

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:58/mi

56:01

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:06/mi

1:24:17

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:54/mi

1:51:53

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:09/mi

1:58:01

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:14/mi

2:20:28

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:27/mi

2:49:49

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:34/mi

3:19:32

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:42/mi

3:49:39

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:04/mi

4:02:00

↑ 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

1:58:019:01 /mi⚡ faster

2nd Half

2:03:599:27 /mi+5.1%

Positive split — 5.1% slower in the second half

AI Race Performance Report

Harriet'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	28:12	9:05	3.11 mi	28:12	9:05	-
10K	56:01	9:01	3.10 mi	27:49	8:58	-0:07
15K	1:24:17	9:03	3.11 mi	28:16	9:06	+0:08
20K	1:51:53	9:01	3.11 mi	27:36	8:54	-0:12
Half(13.10 mi)	1:58:01	9:01	0.67 mi	6:08	9:09	+0:15
25K	2:20:28	9:03	2.43 mi	22:27	9:14	+0:05
30K	2:49:49	9:07	3.11 mi	29:21	9:27	+0:13
35K	3:19:32	9:11	3.11 mi	29:43	9:34	+0:07
40K	3:49:39	9:15	3.10 mi	30:07	9:42	+0:08
Finish(26.22 mi)	4:02:00	9:15	1.37 mi	12:21	9:04	-0:38

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:54 /mi

Average Pace

9:14 /mi

Slowest Pace

9:42 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:32:49

63% of race

Time at Steady Pace

1:29:11

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /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	27981	8068	8068	22536	6051	6051
10K	3.10 mi	25752+2229	7236+832	7236+832	23887	6556	6556
15K	3.11 mi	24496+1256	6758+478	6758+478	22536	6051	6051
20K	3.11 mi	23747+749	6481+277	6481+277	22188	5968	5968
Half(13.10 mi)	0.67 mi	23626+121	6442+39	6442+39	22281	6091	6091
25K	2.43 mi	23330+296	6390+52	6390+52	23028	6479	6479
30K	3.11 mi	22762+568	6305+85	6305+85	21463	6154	6154
35K	3.11 mi	21901+861	6188+117	6188+117	18844	5617	5617
40K	3.10 mi	21377+524	6178+10	6178+10	18746	6038	6038
Finish(26.22 mi)	1.37 mi	21059+318	6117+61	6117+61	15462	4837	4837

4837

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