Charlotte Jonck

Bib: 31165 F BE

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

11:12/mi

34:47

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:09/mi

1:09:24

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:27/mi

1:44:58

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:24/mi

2:20:21

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:24/mi

2:27:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:58/mi

2:57:06

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:16/mi

3:38:17

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:31/mi

4:20:15

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:44/mi

5:02:55

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:45/mi

5:20:18

↑ 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

2:27:5911:18 /mi⚡ faster

2nd Half

2:52:1913:09 /mi+16.4%

Positive split — 16.4% slower in the second half

AI Race Performance Report

Charlotte's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:47	11:12	3.11 mi	34:47	11:12	-
10K	1:09:24	11:11	3.10 mi	34:37	11:09	-0:03
15K	1:44:58	11:16	3.11 mi	35:34	11:27	+0:18
20K	2:20:21	11:18	3.11 mi	35:23	11:24	-0:03
Half(13.10 mi)	2:27:59	11:18	0.67 mi	7:38	11:24	0:00
25K	2:57:06	11:25	2.43 mi	29:07	11:58	+0:34
30K	3:38:17	11:43	3.11 mi	41:11	13:16	+1:18
35K	4:20:15	11:58	3.11 mi	41:58	13:31	+0:15
40K	5:02:55	12:12	3.10 mi	42:40	13:44	+0:13
Finish(26.22 mi)	5:20:18	12:14	1.37 mi	17:23	12:45	-0:59

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

11:09 /mi

Average Pace

12:14 /mi

Slowest Pace

13:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:27:59

46% of race

Time at Steady Pace

29:07

9% of race

Time at Slower Pace

2:23:12

45% of race

Average Pace: 12:13 /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	49840	19134	19134	45015	16323	16323
10K	3.10 mi	48158+1682	18128+1006	18128+1006	46620	17208	17208
15K	3.11 mi	46889+1269	17374+754	17374+754	45015	16323	16323
20K	3.11 mi	46095+794	17004+370	17004+370	44393	16271	16271
Half(13.10 mi)	0.67 mi	45846+249	16871+133	16871+133	41919	15143	15143
25K	2.43 mi	45163+683	16579+292	16579+292	42809	15800	15800
30K	3.11 mi	45304-141	16791-212	16791-212	45710	17803	17803
35K	3.11 mi	45033+271	16840-49	16840-49	43525	17191	17191
40K	3.10 mi	45239-206	17106-266	17106-266	46698	19058	19058
Finish(26.22 mi)	1.37 mi	45186+53	17132-26	17132-26	44994	18115	18115

18115

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