Janet Johnston

Bib: 23605 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

Top 49%

Division (F55-59)

#0 / 1484

Top 41%

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

9:33/mi

29:38

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:01/mi

1:00:43

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:23/mi

1:32:57

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:35/mi

2:05:49

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:10/mi

2:13:18

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:10/mi

2:40:29

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:08/mi

3:18:08

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:35/mi

3:57:13

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:35/mi

4:36:17

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:32/mi

4:53:22

↑ 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

2:13:1810:11 /mi⚡ faster

2nd Half

2:40:0412:12 /mi+20.1%

Positive split — 20.1% slower in the second half

AI Race Performance Report

Janet'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	29:38	9:33	3.11 mi	29:38	9:33	-
10K	1:00:43	9:47	3.10 mi	31:05	10:01	+0:28
15K	1:32:57	9:59	3.11 mi	32:14	10:23	+0:22
20K	2:05:49	10:08	3.11 mi	32:52	10:35	+0:12
Half(13.10 mi)	2:13:18	10:11	0.67 mi	7:29	11:10	+0:35
25K	2:40:29	10:20	2.43 mi	27:11	11:10	0:00
30K	3:18:08	10:38	3.11 mi	37:39	12:08	+0:58
35K	3:57:13	10:55	3.11 mi	39:05	12:35	+0:27
40K	4:36:17	11:07	3.10 mi	39:04	12:35	0:00
Finish(26.22 mi)	4:53:22	11:12	1.37 mi	17:05	12:32	-0:03

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:33 /mi

Average Pace

11:12 /mi

Slowest Pace

12:35 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:05:49

43% of race

Time at Steady Pace

34:40

12% of race

Time at Slower Pace

2:12:53

45% of race

Average Pace: 11:11 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	33768	10373	10373	36241	11638	11638
10K	3.10 mi	35134-1366	10997-624	10997-624	36506	11687	11687
15K	3.11 mi	35443-309	11165-168	11165-168	36241	11638	11638
20K	3.11 mi	36141-698	11588-423	11588-423	38529	13056	13056
Half(13.10 mi)	0.67 mi	36326-185	11719-131	11719-131	40215	14160	14160
25K	2.43 mi	36631-305	12001-282	12001-282	38029	13260	13260
30K	3.11 mi	37271-640	12505-504	12505-504	39708	14589	14589
35K	3.11 mi	37469-198	12823-318	12823-318	38403	14549	14549
40K	3.10 mi	37741-272	13157-334	13157-334	39509	15505	15505
Finish(26.22 mi)	1.37 mi	38059-318	13395-238	13395-238	43547	17367	17367

17367

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