Natasha Parfitt

Bib: 70421 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

12:59/mi

40:18

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

14:17/mi

1:24:38

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:59/mi

2:08:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:59/mi

2:51:27

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:20/mi

3:01:04

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

18:07/mi

3:45:10

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

19:02/mi

4:44:15

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

17:00/mi

5:37:03

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:44/mi

6:22:47

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:12/mi

6:42:09

↑ 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

3:01:0413:50 /mi⚡ faster

2nd Half

3:41:0516:52 /mi+22.1%

Positive split — 22.1% slower in the second half

AI Race Performance Report

Natasha'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	40:18	12:59	3.11 mi	40:18	12:59	-
10K	1:24:38	13:38	3.10 mi	44:20	14:17	+1:18
15K	2:08:03	13:45	3.11 mi	43:25	13:59	-0:18
20K	2:51:27	13:48	3.11 mi	43:25	13:59	0:00
Half(13.10 mi)	3:01:04	13:50	0.67 mi	9:37	14:20	+0:21
25K	3:45:10	14:30	2.43 mi	44:06	18:07	+3:47
30K	4:44:15	15:15	3.11 mi	59:05	19:02	+0:55
35K	5:37:03	15:30	3.11 mi	52:48	17:00	-2:02
40K	6:22:47	15:25	3.10 mi	45:44	14:44	-2:16
Finish(26.22 mi)	6:42:09	15:21	1.37 mi	19:22	14:12	-0:32

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:59 /mi

Average Pace

15:21 /mi

Slowest Pace

19:02 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

40:18

10% of race

Time at Steady Pace

3:25:52

51% of race

Time at Slower Pace

2:35:59

39% of race

Average Pace: 15:20 /mi

Loading chart...

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	57085	24087	24087	55634	23148	23148
10K	3.10 mi	57510-425	24412-325	24412-325	57716	24587	24587
15K	3.11 mi	56989+521	24044+368	24044+368	55634	23148	23148
20K	3.11 mi	56490+499	23717+327	23717+327	54683	22636	22636
Half(13.10 mi)	0.67 mi	56407+83	23671+46	23671+46	54557	22753	22753
25K	2.43 mi	57008-601	24107-436	24107-436	58233	25021	25021
30K	3.11 mi	57638-630	24553-446	24553-446	58823	25501	25501
35K	3.11 mi	57567+71	24538+15	24538+15	56154	24005	24005
40K	3.10 mi	57154+413	24286+252	24286+252	51538	21567	21567
Finish(26.22 mi)	1.37 mi	57008+146	24206+80	24206+80	52026	21842	21842

21842

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