Claire Southern

Bib: 37133 X GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Other)

#0 / 77

Division (X40-44)

#0 / 10

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

10:21/mi

32:08

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:10/mi

1:06:48

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:18/mi

1:41:52

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:33/mi

2:17:42

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:19/mi

2:25:17

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:37/mi

2:58:27

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:42/mi

3:37:52

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:24/mi

4:16:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:04/mi

4:53:51

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:06/mi

5:10:21

↑ 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

2:25:1711:06 /mi⚡ faster

2nd Half

2:45:0412:35 /mi+13.6%

Positive split — 13.6% 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	32:08	10:21	3.11 mi	32:08	10:21	-
10K	1:06:48	10:46	3.10 mi	34:40	11:10	+0:49
15K	1:41:52	10:56	3.11 mi	35:04	11:18	+0:08
20K	2:17:42	11:05	3.11 mi	35:50	11:33	+0:15
Half(13.10 mi)	2:25:17	11:06	0.67 mi	7:35	11:19	-0:14
25K	2:58:27	11:30	2.43 mi	33:10	13:37	+2:18
30K	3:37:52	11:42	3.11 mi	39:25	12:42	-0:55
35K	4:16:23	11:48	3.11 mi	38:31	12:24	-0:18
40K	4:53:51	11:50	3.10 mi	37:28	12:04	-0:20
Finish(26.22 mi)	5:10:21	11:51	1.37 mi	16:30	12:06	+0:02

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:21 /mi

Average Pace

11:51 /mi

Slowest Pace

13:37 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:25:17

47% of race

Time at Steady Pace

1:32:29

30% of race

Time at Slower Pace

1:12:35

23% of race

Average Pace: 11:50 /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	X	X40-44	Seg. Overall	Seg. X	Seg. X40-44
5K	3.11 mi	42293	55	55	43839	55	55
10K	3.10 mi	44690-2397	56-1	56-1	46730	61	61
15K	3.11 mi	44298+392	58-2	58-2	43839	55	55
20K	3.11 mi	44546-248	57+1	57+1	45342	56	56
Half(13.10 mi)	0.67 mi	44310+236	56+1	56+1	41236	51	51
25K	2.43 mi	45748-1438	57-1	57-1	49857	61	61
30K	3.11 mi	45167+581	56+1	56+1	42800	54	54
35K	3.11 mi	43864+1303	54+2	54+2	37281	48	48
40K	3.10 mi	42921+943	54	54	35909	46	46
Finish(26.22 mi)	1.37 mi	42762+159	54	54	40479	49	49

X40-44

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