Jenny Birch

Bib: 44651 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 25%

Gender (Female)

#0 / 26115

Top 15%

Masters (Masters Women)

#0 / 11371

Top 13%

Division (F50-54)

#0 / 2342

Top 12%

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

8:34/mi

26:35

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:37/mi

53:21

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:47/mi

1:20:37

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:32/mi

1:47:05

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:47/mi

1:52:58

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:42/mi

2:14:09

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:39/mi

2:41:00

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

8:44/mi

3:08:06

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:45/mi

3:35:15

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:34/mi

3:46:55

↑ 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

1:52:588:38 /mi⚖️ balanced

2nd Half

1:53:578:42 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

Jenny'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	26:35	8:34	3.11 mi	26:35	8:34	-
10K	53:21	8:36	3.10 mi	26:46	8:37	+0:03
15K	1:20:37	8:39	3.11 mi	27:16	8:47	+0:10
20K	1:47:05	8:38	3.11 mi	26:28	8:32	-0:15
Half(13.10 mi)	1:52:58	8:38	0.67 mi	5:53	8:47	+0:15
25K	2:14:09	8:39	2.43 mi	21:11	8:42	-0:05
30K	2:41:00	8:39	3.11 mi	26:51	8:39	-0:03
35K	3:08:06	8:39	3.11 mi	27:06	8:44	+0:05
40K	3:35:15	8:40	3.10 mi	27:09	8:45	+0:01
Finish(26.22 mi)	3:46:55	8:40	1.37 mi	11:40	8:34	-0:11

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

8:40 /mi

Slowest Pace

8:47 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:46:55

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	20532	5378	5378	18940	4811	4811
10K	3.10 mi	19997+535	5194+184	5194+184	19651	5095	5095
15K	3.11 mi	19505+492	5028+166	5028+166	18940	4811	4811
20K	3.11 mi	19112+393	4919+109	4919+109	18151	4606	4606
Half(13.10 mi)	0.67 mi	19040+72	4901+18	4901+18	18263	4650	4650
25K	2.43 mi	18702+338	4828+73	4828+73	17603	4508	4508
30K	3.11 mi	17679+1023	4544+284	4544+284	14332	3584	3584
35K	3.11 mi	16538+1141	4279+265	4279+265	12372	3226	3226
40K	3.10 mi	15531+1007	4077+202	4077+202	11668	3268	3268
Finish(26.22 mi)	1.37 mi	15178+353	4001+76	4001+76	11384	3236	3236

3236

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