Laura Brettell

Bib: 68747 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F40-44)

#0 / 3355

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

11:24/mi

35:23

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:34/mi

1:11:17

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:03/mi

1:48:41

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:30/mi

2:24:24

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:35/mi

2:32:10

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:47/mi

3:00:50

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:13/mi

3:38:45

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:18/mi

4:16:55

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:06/mi

4:54:30

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:55/mi

5:10:44

↑ 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

2:32:1011:38 /mi⚡ faster

2nd Half

2:38:3412:06 /mi+4.2%

Positive split — 4.2% slower in the second half

AI Race Performance Report

Laura'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	35:23	11:24	3.11 mi	35:23	11:24	-
10K	1:11:17	11:29	3.10 mi	35:54	11:34	+0:10
15K	1:48:41	11:40	3.11 mi	37:24	12:03	+0:29
20K	2:24:24	11:38	3.11 mi	35:43	11:30	-0:33
Half(13.10 mi)	2:32:10	11:38	0.67 mi	7:46	11:35	+0:05
25K	3:00:50	11:39	2.43 mi	28:40	11:47	+0:12
30K	3:38:45	11:45	3.11 mi	37:55	12:13	+0:26
35K	4:16:55	11:49	3.11 mi	38:10	12:18	+0:05
40K	4:54:30	11:51	3.10 mi	37:35	12:06	-0:12
Finish(26.22 mi)	5:10:44	11:52	1.37 mi	16:14	11:55	-0:11

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:24 /mi

Average Pace

11:52 /mi

Slowest Pace

12:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:39:40

51% of race

Time at Steady Pace

2:31:04

49% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:51 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	51080	19939	19939	48678	18554	18554
10K	3.10 mi	50205+875	19399+540	19399+540	49541	19021	19021
15K	3.11 mi	49571+634	19024+375	19024+375	48678	18554	18554
20K	3.11 mi	48303+1268	18318+706	18318+706	45121	16690	16690
Half(13.10 mi)	0.67 mi	48011+292	18182+136	18182+136	43218	15881	15881
25K	2.43 mi	46738+1273	17515+667	17515+667	41837	15270	15270
30K	3.11 mi	45460+1278	16892+623	16892+623	40173	14840	14840
35K	3.11 mi	44030+1430	16280+612	16280+612	36622	13691	13691
40K	3.10 mi	43073+957	15934+346	15934+346	36186	13920	13920
Finish(26.22 mi)	1.37 mi	42871+202	15872+62	15872+62	39010	15186	15186

15186

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