Claire Horn

Bib: 28227 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 42%

Division (F18-39)

#0 / 14744

Top 43%

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

10:02/mi

31:10

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:51/mi

1:01:46

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:17/mi

1:33:40

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:09/mi

2:05:11

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:20/mi

2:12:07

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:32/mi

2:37:45

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:36/mi

3:10:39

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:16/mi

3:45:38

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:26/mi

4:21:08

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:27/mi

4:36:45

↑ 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

2:12:0710:06 /mi⚡ faster

2nd Half

2:24:3811:02 /mi+9.5%

Positive split — 9.5% slower in the second half

AI Race Performance Report

Claire'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	31:10	10:02	3.11 mi	31:10	10:02	-
10K	1:01:46	9:57	3.10 mi	30:36	9:51	-0:11
15K	1:33:40	10:03	3.11 mi	31:54	10:17	+0:26
20K	2:05:11	10:05	3.11 mi	31:31	10:09	-0:08
Half(13.10 mi)	2:12:07	10:06	0.67 mi	6:56	10:20	+0:11
25K	2:37:45	10:10	2.43 mi	25:38	10:32	+0:12
30K	3:10:39	10:14	3.11 mi	32:54	10:36	+0:04
35K	3:45:38	10:23	3.11 mi	34:59	11:16	+0:40
40K	4:21:08	10:31	3.10 mi	35:30	11:26	+0:10
Finish(26.22 mi)	4:36:45	10:34	1.37 mi	15:37	11:27	+0:01

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:51 /mi

Average Pace

10:34 /mi

Slowest Pace

11:27 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:10:39

69% of race

Time at Steady Pace

1:26:06

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:33 /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	39007	12892	12892	35216	11118	11118
10K	3.10 mi	36854+2153	11826+1066	11826+1066	35030	10994	10994
15K	3.11 mi	36148+706	11504+322	11504+322	35216	11118	11118
20K	3.11 mi	35663+485	11363+141	11363+141	34850	11212	11212
Half(13.10 mi)	0.67 mi	35468+195	11292+71	11292+71	33521	10736	10736
25K	2.43 mi	34976+492	11144+148	11144+148	33570	11000	11000
30K	3.11 mi	33694+1282	10764+380	10764+380	29809	9694	9694
35K	3.11 mi	32918+776	10680+84	10680+84	30067	10533	10533
40K	3.10 mi	32575+343	10769-89	10769-89	31172	11521	11521
Finish(26.22 mi)	1.37 mi	32627-52	10880-111	10880-111	35470	13524	13524

13524

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