Charlotte Marshall-Johnson

Bib: 51766 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 27%

Gender (Female)

#0 / 26115

Top 16%

Division (F18-39)

#0 / 14744

Top 18%

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

7:44/mi

23:59

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:57/mi

48:39

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:15/mi

1:14:15

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:57/mi

1:38:54

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:06/mi

1:44:20

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:40/mi

2:05:26

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:04/mi

2:33:35

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:16/mi

3:05:27

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:55/mi

3:36:14

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:16/mi

3:48:51

↑ 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

1:44:207:58 /mi⚡ faster

2nd Half

2:04:319:30 /mi+19.3%

Positive split — 19.3% slower in the second half

AI Race Performance Report

Charlotte'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	23:59	7:44	3.11 mi	23:59	7:44	-
10K	48:39	7:50	3.10 mi	24:40	7:57	+0:13
15K	1:14:15	7:58	3.11 mi	25:36	8:15	+0:18
20K	1:38:54	7:58	3.11 mi	24:39	7:57	-0:18
Half(13.10 mi)	1:44:20	7:58	0.67 mi	5:26	8:06	+0:09
25K	2:05:26	8:05	2.43 mi	21:06	8:40	+0:34
30K	2:33:35	8:15	3.11 mi	28:09	9:04	+0:24
35K	3:05:27	8:32	3.11 mi	31:52	10:16	+1:12
40K	3:36:14	8:42	3.10 mi	30:47	9:55	-0:21
Finish(26.22 mi)	3:48:51	8:45	1.37 mi	12:37	9:16	-0:39

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:44 /mi

Average Pace

8:44 /mi

Slowest Pace

10:16 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:18:44

34% of race

Time at Steady Pace

1:14:51

33% of race

Time at Slower Pace

1:15:16

33% of race

Average Pace: 8:44 /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	10983	2224	2224	13716	3092	3092
10K	3.10 mi	11503-520	2428-204	2428-204	12231	2691	2691
15K	3.11 mi	12100-597	2635-207	2635-207	13716	3092	3092
20K	3.11 mi	12102-2	2651-16	2651-16	12318	2662	2662
Half(13.10 mi)	0.67 mi	12062+40	2636+15	2636+15	11817	2504	2504
25K	2.43 mi	13062-1000	2950-314	2950-314	17278	4397	4397
30K	3.11 mi	13889-827	3258-308	3258-308	17832	4820	4820
35K	3.11 mi	15346-1457	3879-621	3879-621	23517	7506	7506
40K	3.10 mi	15908-562	4212-333	4212-333	20253	6628	6628
Finish(26.22 mi)	1.37 mi	15876+32	4258-46	4258-46	17010	5421	5421

5421

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