Claire Smith

Bib: 21463 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 48%

Gender (Female)

#0 / 26115

Top 35%

Division (F18-39)

#0 / 14744

Top 37%

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

10:10/mi

31:34

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:08/mi

1:03:02

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:00/mi

1:34:05

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:55/mi

2:04:51

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:31/mi

2:11:14

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:48/mi

2:35:05

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:08/mi

3:06:32

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:26/mi

3:38:55

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:40/mi

4:12:03

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:05/mi

4:25:47

↑ 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

2:11:1410:02 /mi⚡ faster

2nd Half

2:14:3310:16 /mi+2.5%

Positive split — 2.5% 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	31:34	10:10	3.11 mi	31:34	10:10	-
10K	1:03:02	10:09	3.10 mi	31:28	10:08	-0:02
15K	1:34:05	10:06	3.11 mi	31:03	10:00	-0:08
20K	2:04:51	10:03	3.11 mi	30:46	9:55	-0:05
Half(13.10 mi)	2:11:14	10:02	0.67 mi	6:23	9:31	-0:24
25K	2:35:05	9:59	2.43 mi	23:51	9:48	+0:17
30K	3:06:32	10:01	3.11 mi	31:27	10:08	+0:20
35K	3:38:55	10:04	3.11 mi	32:23	10:26	+0:18
40K	4:12:03	10:09	3.10 mi	33:08	10:40	+0:14
Finish(26.22 mi)	4:25:47	10:09	1.37 mi	13:44	10:05	-0:35

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:31 /mi

Average Pace

10:09 /mi

Slowest Pace

10:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:52:39

88% of race

Time at Steady Pace

33:08

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:08 /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	40438	13631	13631	32728	9963	9963
10K	3.10 mi	38858+1580	12823+808	12823+808	37666	12266	12266
15K	3.11 mi	36592+2266	11711+1112	11711+1112	32728	9963	9963
20K	3.11 mi	35404+1188	11226+485	11226+485	32646	10125	10125
Half(13.10 mi)	0.67 mi	34910+494	11021+205	11021+205	26381	7594	7594
25K	2.43 mi	33445+1465	10444+577	10444+577	27759	8318	8318
30K	3.11 mi	31739+1706	9891+553	9891+553	26424	8170	8170
35K	3.11 mi	30092+1647	9418+473	9418+473	24599	7992	7992
40K	3.10 mi	29237+855	9273+145	9273+145	25504	8944	8944
Finish(26.22 mi)	1.37 mi	28841+396	9188+85	9188+85	23694	8139	8139

8139

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