Heidi Sampson

Bib: 24163 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

9:05/mi

28:13

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:24/mi

57:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:28/mi

1:29:54

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:42/mi

2:03:06

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:11/mi

2:10:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:47/mi

2:39:16

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:45/mi

3:15:45

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:29/mi

3:51:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:12/mi

4:26:09

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:37/mi

4:40:37

↑ 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

2:10:369:59 /mi⚡ faster

2nd Half

2:30:0111:27 /mi+14.9%

Positive split — 14.9% slower in the second half

AI Race Performance Report

Heidi'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	28:13	9:05	3.11 mi	28:13	9:05	-
10K	57:25	9:15	3.10 mi	29:12	9:24	+0:19
15K	1:29:54	9:39	3.11 mi	32:29	10:28	+1:04
20K	2:03:06	9:55	3.11 mi	33:12	10:42	+0:14
Half(13.10 mi)	2:10:36	9:59	0.67 mi	7:30	11:11	+0:29
25K	2:39:16	10:16	2.43 mi	28:40	11:47	+0:36
30K	3:15:45	10:31	3.11 mi	36:29	11:45	-0:02
35K	3:51:23	10:39	3.11 mi	35:38	11:29	-0:16
40K	4:26:09	10:43	3.10 mi	34:46	11:12	-0:17
Finish(26.22 mi)	4:40:37	10:43	1.37 mi	14:28	10:37	-0:35

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:05 /mi

Average Pace

10:43 /mi

Slowest Pace

11:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:17:34

49% of race

Time at Steady Pace

1:17:54

28% of race

Time at Slower Pace

1:05:09

23% of race

Average Pace: 10:42 /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	28074	8113	8113	36964	11994	11994
10K	3.10 mi	29185-1111	8542-429	8542-429	30289	8960	8960
15K	3.11 mi	32231-3046	9721-1179	9721-1179	36964	11994	11994
20K	3.11 mi	34158-1927	10649-928	10649-928	39362	13490	13490
Half(13.10 mi)	0.67 mi	34439-281	10789-140	10789-140	40344	14230	14230
25K	2.43 mi	35898-1459	11633-844	11633-844	41825	15258	15258
30K	3.11 mi	36244-346	11990-357	11990-357	37471	13458	13458
35K	3.11 mi	35278+966	11770+220	11770+220	31449	11177	11177
40K	3.10 mi	34341+937	11556+214	11556+214	29348	10688	10688
Finish(26.22 mi)	1.37 mi	33927+414	11439+117	11439+117	28171	10141	10141

10141

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