Lucy Birchall

Bib: 73742 F GB

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

10:19/mi

32:01

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:22/mi

1:07:17

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:30/mi

1:49:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:31/mi

2:28:02

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:38/mi

2:37:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:00/mi

3:09:30

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:21/mi

3:57:09

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:25/mi

4:41:55

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:57/mi

5:25:14

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:50/mi

5:42:43

↑ 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

2:37:5112:04 /mi⚡ faster

2nd Half

3:04:5214:06 /mi+17.1%

Positive split — 17.1% slower in the second half

AI Race Performance Report

Lucy'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	32:01	10:19	3.11 mi	32:01	10:19	-
10K	1:07:17	10:50	3.10 mi	35:16	11:22	+1:03
15K	1:49:11	11:43	3.11 mi	41:54	13:30	+2:08
20K	2:28:02	11:55	3.11 mi	38:51	12:31	-0:59
Half(13.10 mi)	2:37:51	12:04	0.67 mi	9:49	14:38	+2:07
25K	3:09:30	12:12	2.43 mi	31:39	13:00	-1:38
30K	3:57:09	12:44	3.11 mi	47:39	15:21	+2:21
35K	4:41:55	12:58	3.11 mi	44:46	14:25	-0:56
40K	5:25:14	13:06	3.10 mi	43:19	13:57	-0:28
Finish(26.22 mi)	5:42:43	13:05	1.37 mi	17:29	12:50	-1:07

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:19 /mi

Average Pace

13:05 /mi

Slowest Pace

15:21 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:46:08

31% of race

Time at Steady Pace

2:14:21

39% of race

Time at Slower Pace

1:42:14

30% of race

Average Pace: 13:04 /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	41986	14473	14473	54382	22305	22305
10K	3.10 mi	45401-3415	16477-2004	16477-2004	48200	18168	18168
15K	3.11 mi	49885-4484	19232-2755	19232-2755	54382	22305	22305
20K	3.11 mi	49879+6	19313-81	19313-81	50027	19630	19630
Half(13.10 mi)	0.67 mi	50325-446	19629-316	19629-316	55227	23170	23170
25K	2.43 mi	49720+605	19291+338	19291+338	47540	18498	18498
30K	3.11 mi	50670-950	19994-703	19994-703	53671	22334	22334
35K	3.11 mi	50318+352	19925+69	19925+69	48059	19557	19557
40K	3.10 mi	50124+194	19911+14	19911+14	47875	19660	19660
Finish(26.22 mi)	1.37 mi	49907+217	19821+90	19821+90	45438	18357	18357

18357

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