Emma Jansen

Bib: 12472 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 43%

Gender (Female)

#0 / 26115

Top 30%

Division (F18-39)

#0 / 14744

Top 32%

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

9:24/mi

29:10

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:17/mi

57:58

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:31/mi

1:27:29

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:31/mi

1:57:00

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:39/mi

2:03:28

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:28/mi

2:26:31

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:17/mi

2:58:26

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:28/mi

3:30:57

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:11/mi

4:02:35

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:08/mi

4:16:24

↑ 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

2:03:289:26 /mi⚡ faster

2nd Half

2:12:5610:08 /mi+7.7%

Positive split — 7.7% slower in the second half

AI Race Performance Report

Emma'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	29:10	9:24	3.11 mi	29:10	9:24	-
10K	57:58	9:20	3.10 mi	28:48	9:17	-0:07
15K	1:27:29	9:24	3.11 mi	29:31	9:31	+0:14
20K	1:57:00	9:25	3.11 mi	29:31	9:31	0:00
Half(13.10 mi)	2:03:28	9:26	0.67 mi	6:28	9:39	+0:08
25K	2:26:31	9:26	2.43 mi	23:03	9:28	-0:11
30K	2:58:26	9:35	3.11 mi	31:55	10:17	+0:49
35K	3:30:57	9:42	3.11 mi	32:31	10:28	+0:11
40K	4:02:35	9:46	3.10 mi	31:38	10:11	-0:17
Finish(26.22 mi)	4:16:24	9:48	1.37 mi	13:49	10:08	-0:03

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

9:17 /mi

Average Pace

9:47 /mi

Slowest Pace

10:28 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:11:58

75% of race

Time at Steady Pace

1:04:26

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:47 /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	32026	9624	9624	27891	7980	7980
10K	3.10 mi	30324+1702	8962+662	8962+662	28562	8270	8270
15K	3.11 mi	29340+984	8558+404	8558+404	27891	7980	7980
20K	3.11 mi	29222+118	8548+10	8548+10	29129	8558	8558
Half(13.10 mi)	0.67 mi	29079+143	8514+34	8514+34	27472	8013	8013
25K	2.43 mi	28087+992	8183+331	8183+331	25228	7278	7278
30K	3.11 mi	27713+374	8210-27	8210-27	27515	8623	8623
35K	3.11 mi	26858+855	8078+132	8078+132	24853	8118	8118
40K	3.10 mi	25876+982	7920+158	7920+158	22171	7463	7463
Finish(26.22 mi)	1.37 mi	25676+200	7906+14	7906+14	24172	8329	8329

8329

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