Nancy Bostock

Bib: 27462 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 34%

Gender (Female)

#0 / 26115

Top 22%

Division (F18-39)

#0 / 14744

Top 24%

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

9:18/mi

28:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:15/mi

57:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:25/mi

1:26:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:10/mi

1:55:19

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:31/mi

2:01:42

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:10/mi

2:24:00

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:14/mi

2:52:39

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:02/mi

3:20:43

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:02/mi

3:48:46

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:56/mi

3:59:34

↑ 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

2:01:429:18 /mi+3.1%

2nd Half

1:57:529:00 /mi✓ faster

Negative split — 3.1% faster in the second half

AI Race Performance Report

Nancy'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	28:52	9:18	3.11 mi	28:52	9:18	-
10K	57:36	9:17	3.10 mi	28:44	9:15	-0:03
15K	1:26:51	9:20	3.11 mi	29:15	9:25	+0:10
20K	1:55:19	9:17	3.11 mi	28:28	9:10	-0:15
Half(13.10 mi)	2:01:42	9:18	0.67 mi	6:23	9:31	+0:21
25K	2:24:00	9:17	2.43 mi	22:18	9:10	-0:21
30K	2:52:39	9:16	3.11 mi	28:39	9:14	+0:04
35K	3:20:43	9:14	3.11 mi	28:04	9:02	-0:12
40K	3:48:46	9:13	3.10 mi	28:04	9:02	0:00
Finish(26.22 mi)	3:59:34	9:09	1.37 mi	10:48	7:56	-1:06

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:56 /mi

Average Pace

9:09 /mi

Slowest Pace

9:31 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

10:48

5% of race

Time at Steady Pace

3:13:08

81% of race

Time at Slower Pace

35:38

15% of race

Average Pace: 9:08 /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	30871	9178	9178	26794	7561	7561
10K	3.10 mi	29552+1319	8682+496	8682+496	28224	8149	8149
15K	3.11 mi	28432+1120	8203+479	8203+479	26794	7561	7561
20K	3.11 mi	27537+895	7885+318	7885+318	25752	7227	7227
Half(13.10 mi)	0.67 mi	27438+99	7859+26	7859+26	26279	7522	7522
25K	2.43 mi	26262+1176	7458+401	7458+401	22354	6215	6215
30K	3.11 mi	24596+1666	6955+503	6955+503	19378	5381	5381
35K	3.11 mi	22439+2157	6395+560	6395+560	14596	4013	4013
40K	3.10 mi	21024+1415	6041+354	6041+354	13753	4097	4097
Finish(26.22 mi)	1.37 mi	20109+915	5749+292	5749+292	7066	1594	1594

1594

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