Natalie Heffernan

Bib: 51826 F AU

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 26%

Gender (Female)

#0 / 26115

Top 16%

Masters (Masters Women)

#0 / 11371

Top 14%

Division (F45-49)

#0 / 2995

Top 16%

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

8:30/mi

26:23

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:31/mi

52:50

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:44/mi

1:19:56

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:33/mi

1:46:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:45/mi

1:52:21

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:41/mi

2:13:29

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:49/mi

2:40:51

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:03/mi

3:08:55

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:53/mi

3:36:30

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:29/mi

3:48:04

↑ 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

1:52:218:35 /mi⚡ faster

2nd Half

1:55:438:50 /mi+3.0%

Positive split — 3.0% slower in the second half

AI Race Performance Report

Natalie'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	26:23	8:30	3.11 mi	26:23	8:30	-
10K	52:50	8:31	3.10 mi	26:27	8:31	+0:01
15K	1:19:56	8:35	3.11 mi	27:06	8:44	+0:13
20K	1:46:29	8:35	3.11 mi	26:33	8:33	-0:11
Half(13.10 mi)	1:52:21	8:35	0.67 mi	5:52	8:45	+0:12
25K	2:13:29	8:36	2.43 mi	21:08	8:41	-0:04
30K	2:40:51	8:38	3.11 mi	27:22	8:49	+0:08
35K	3:08:55	8:42	3.11 mi	28:04	9:03	+0:14
40K	3:36:30	8:43	3.10 mi	27:35	8:53	-0:10
Finish(26.22 mi)	3:48:04	8:43	1.37 mi	11:34	8:29	-0:24

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:29 /mi

Average Pace

8:42 /mi

Slowest Pace

9:03 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:20:00

88% of race

Time at Steady Pace

28:04

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	19723	5083	5083	18329	4625	4625
10K	3.10 mi	19017+706	4871+212	4871+212	18520	4721	4721
15K	3.11 mi	18722+295	4795+76	4795+76	18329	4625	4625
20K	3.11 mi	18564+158	4748+47	4748+47	18435	4689	4689
Half(13.10 mi)	0.67 mi	18517+47	4731+17	4731+17	18065	4591	4591
25K	2.43 mi	18246+271	4666+65	4666+65	17420	4457	4457
30K	3.11 mi	17613+633	4521+145	4521+145	15706	4074	4074
35K	3.11 mi	16913+700	4403+118	4403+118	14632	4024	4024
40K	3.10 mi	16012+901	4254+149	4254+149	12610	3647	3647
Finish(26.22 mi)	1.37 mi	15598+414	4161+93	4161+93	10901	3042	3042

3042

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