Fern Brocklesby

Bib: 79023 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

32:07

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:42/mi

1:05:21

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:07/mi

1:39:53

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:28/mi

2:15:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:33/mi

2:23:54

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:24/mi

2:56:32

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:58/mi

3:36:48

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:42/mi

4:16:14

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:59/mi

4:53:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:30/mi

5:10:28

↑ 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

2:23:5411:00 /mi⚡ faster

2nd Half

2:46:3412:42 /mi+15.8%

Positive split — 15.8% slower in the second half

AI Race Performance Report

Fern'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	32:07	10:21	3.11 mi	32:07	10:21	-
10K	1:05:21	10:32	3.10 mi	33:14	10:42	+0:21
15K	1:39:53	10:43	3.11 mi	34:32	11:07	+0:25
20K	2:15:29	10:55	3.11 mi	35:36	11:28	+0:21
Half(13.10 mi)	2:23:54	11:00	0.67 mi	8:25	12:33	+1:05
25K	2:56:32	11:22	2.43 mi	32:38	13:24	+0:51
30K	3:36:48	11:38	3.11 mi	40:16	12:58	-0:26
35K	4:16:14	11:47	3.11 mi	39:26	12:42	-0:16
40K	4:53:26	11:49	3.10 mi	37:12	11:59	-0:43
Finish(26.22 mi)	5:10:28	11:51	1.37 mi	17:02	12:30	+0:31

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:21 /mi

Average Pace

11:51 /mi

Slowest Pace

13:24 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:52:41

56% of race

Time at Steady Pace

1:45:09

34% of race

Time at Slower Pace

32:38

11% 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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	42266	14649	14649	42561	14942	14942
10K	3.10 mi	42567-301	14811-162	14811-162	43026	15114	15114
15K	3.11 mi	42445+122	14778+33	14778+33	42561	14942	14942
20K	3.11 mi	43116-671	15247-469	15247-469	44867	16535	16535
Half(13.10 mi)	0.67 mi	43457-341	15466-219	15466-219	48355	18880	18880
25K	2.43 mi	44907-1450	16434-968	16434-968	49135	19438	19438
30K	3.11 mi	44777+130	16500-66	16500-66	44279	17015	17015
35K	3.11 mi	43816+961	16162+338	16162+338	39072	14903	14903
40K	3.10 mi	42793+1023	15786+376	15786+376	35308	13503	13503
Finish(26.22 mi)	1.37 mi	42810-17	15836-50	15836-50	43298	17245	17245

17245

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