Louisa Williams

Bib: 21455 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 44%

Division (F18-39)

#0 / 14744

Top 45%

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

10:22/mi

32:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:10/mi

1:03:46

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:45/mi

1:37:07

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:25/mi

2:09:28

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:34/mi

2:16:33

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:41/mi

2:42:33

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:10/mi

3:17:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:00/mi

3:51:21

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:59/mi

4:25:27

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:06/mi

4:40:34

↑ 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

2:16:3310:26 /mi⚡ faster

2nd Half

2:24:0110:59 /mi+5.5%

Positive split — 5.5% slower in the second half

AI Race Performance Report

Louisa's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	32:11	10:22	3.11 mi	32:11	10:22	-
10K	1:03:46	10:16	3.10 mi	31:35	10:10	-0:12
15K	1:37:07	10:26	3.11 mi	33:21	10:45	+0:35
20K	2:09:28	10:26	3.11 mi	32:21	10:25	-0:20
Half(13.10 mi)	2:16:33	10:26	0.67 mi	7:05	10:34	+0:09
25K	2:42:33	10:28	2.43 mi	26:00	10:41	+0:07
30K	3:17:12	10:35	3.11 mi	34:39	11:10	+0:29
35K	3:51:21	10:39	3.11 mi	34:09	11:00	-0:10
40K	4:25:27	10:41	3.10 mi	34:06	10:59	-0:01
Finish(26.22 mi)	4:40:34	10:43	1.37 mi	15:07	11:06	+0:07

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:10 /mi

Average Pace

10:43 /mi

Slowest Pace

11:10 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:43:12

37% of race

Time at Steady Pace

2:57:22

63% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:42 /mi

Loading chart...

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	42482	14778	14778	39453	13242	13242
10K	3.10 mi	40092+2390	13459+1319	13459+1319	38095	12488	12488
15K	3.11 mi	39738+354	13311+148	13311+148	39453	13242	13242
20K	3.11 mi	38882+856	12949+362	12949+362	37143	12337	12337
Half(13.10 mi)	0.67 mi	38643+239	12859+90	12859+90	35460	11689	11689
25K	2.43 mi	37782+861	12562+297	12562+297	34659	11546	11546
30K	3.11 mi	36867+915	12300+262	12300+262	33707	11548	11548
35K	3.11 mi	35260+1607	11758+542	11758+542	28321	9686	9686
40K	3.10 mi	34119+1141	11458+300	11458+300	27784	10001	10001
Finish(26.22 mi)	1.37 mi	33907+212	11432+26	11432+26	32340	12082	12082

12082

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