Chloe Johnstone

Bib: 55633 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 37%

Division (F18-39)

#0 / 14744

Top 39%

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

8:53/mi

27:34

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:16/mi

56:20

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:42/mi

1:26:26

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:22/mi

1:55:31

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:36/mi

2:01:57

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:32/mi

2:27:36

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:05/mi

3:02:00

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:38/mi

3:41:14

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:57/mi

4:15:13

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:02/mi

4:28:53

↑ 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

2:01:579:19 /mi⚡ faster

2nd Half

2:26:5611:12 /mi+20.5%

Positive split — 20.5% slower in the second half

AI Race Performance Report

Chloe'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	27:34	8:53	3.11 mi	27:34	8:53	-
10K	56:20	9:04	3.10 mi	28:46	9:16	+0:23
15K	1:26:26	9:17	3.11 mi	30:06	9:42	+0:26
20K	1:55:31	9:18	3.11 mi	29:05	9:22	-0:20
Half(13.10 mi)	2:01:57	9:19	0.67 mi	6:26	9:36	+0:14
25K	2:27:36	9:31	2.43 mi	25:39	10:32	+0:56
30K	3:02:00	9:46	3.11 mi	34:24	11:05	+0:33
35K	3:41:14	10:11	3.11 mi	39:14	12:38	+1:33
40K	4:15:13	10:17	3.10 mi	33:59	10:57	-1:41
Finish(26.22 mi)	4:28:53	10:16	1.37 mi	13:40	10:02	-0:55

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:53 /mi

Average Pace

10:16 /mi

Slowest Pace

12:38 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:25:25

32% of race

Time at Steady Pace

1:15:51

28% of race

Time at Slower Pace

1:47:37

40% of race

Average Pace: 10:15 /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	24909	6911	6911	29896	8780	8780
10K	3.10 mi	26479-1570	7497-586	7497-586	28402	8200	8200
15K	3.11 mi	27858-1379	7995-498	7995-498	29896	8780	8780
20K	3.11 mi	27733+125	7955+40	7955+40	27831	8025	8025
Half(13.10 mi)	0.67 mi	27649+84	7948+7	7948+7	26990	7800	7800
25K	2.43 mi	28818-1169	8494-546	8494-546	33620	11019	11019
30K	3.11 mi	29499-681	8919-425	8919-425	33161	11274	11274
35K	3.11 mi	31018-1519	9818-899	9818-899	38695	14694	14694
40K	3.10 mi	30409+609	9785+33	9785+33	27494	9864	9864
Finish(26.22 mi)	1.37 mi	29961+448	9670+115	9670+115	23228	7937	7937

7937

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing