Rebecca Harlow

Bib: 78476 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 48%

Division (F18-39)

#0 / 14744

Top 49%

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

31:33

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:36/mi

1:04:27

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:55/mi

1:38:20

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:24/mi

2:10:36

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:40/mi

2:17:45

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:06/mi

2:44:46

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:48/mi

3:21:24

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:15/mi

3:59:25

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:04/mi

4:33:46

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:05/mi

4:47:31

↑ 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

2:17:4510:31 /mi⚡ faster

2nd Half

2:29:4611:25 /mi+8.7%

Positive split — 8.7% slower in the second half

AI Race Performance Report

Rebecca'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	31:33	10:10	3.11 mi	31:33	10:10	-
10K	1:04:27	10:23	3.10 mi	32:54	10:36	+0:26
15K	1:38:20	10:34	3.11 mi	33:53	10:55	+0:19
20K	2:10:36	10:31	3.11 mi	32:16	10:24	-0:31
Half(13.10 mi)	2:17:45	10:31	0.67 mi	7:09	10:40	+0:16
25K	2:44:46	10:37	2.43 mi	27:01	11:06	+0:26
30K	3:21:24	10:49	3.11 mi	36:38	11:48	+0:42
35K	3:59:25	11:01	3.11 mi	38:01	12:15	+0:27
40K	4:33:46	11:01	3.10 mi	34:21	11:04	-1:11
Finish(26.22 mi)	4:47:31	10:59	1.37 mi	13:45	10:05	-0:59

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:05 /mi

Average Pace

10:58 /mi

Slowest Pace

12:15 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:17:34

27% of race

Time at Steady Pace

2:15:18

47% of race

Time at Slower Pace

1:14:39

26% of race

Average Pace: 10:58 /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	40381	13605	13605	40856	14006	14006
10K	3.10 mi	41244-863	14077-472	14077-472	42111	14602	14602
15K	3.11 mi	40980+264	13976+101	13976+101	40856	14006	14006
20K	3.11 mi	39689+1291	13386+590	13386+590	36940	12242	12242
Half(13.10 mi)	0.67 mi	39454+235	13294+92	13294+92	36307	12116	12116
25K	2.43 mi	38986+468	13152+142	13152+142	37587	13023	13023
30K	3.11 mi	38660+326	13189-37	13189-37	37766	13609	13609
35K	3.11 mi	38271+389	13216-27	13216-27	36277	13517	13517
40K	3.10 mi	36912+1359	12748+468	12748+468	28372	10255	10255
Finish(26.22 mi)	1.37 mi	36180+732	12458+290	12458+290	23806	8189	8189

8189

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing