Lucy O'Brien

Bib: 23270 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

10:57/mi

34:00

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:00/mi

1:08:09

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:08/mi

1:42:42

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:51/mi

2:16:22

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:59/mi

2:24:24

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:21/mi

2:54:28

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:08/mi

3:35:15

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:33/mi

4:17:18

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:33/mi

4:56:15

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:42/mi

5:13:33

↑ 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

2:24:2411:02 /mi⚡ faster

2nd Half

2:49:0912:54 /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	34:00	10:57	3.11 mi	34:00	10:57	-
10K	1:08:09	10:59	3.10 mi	34:09	11:00	+0:03
15K	1:42:42	11:02	3.11 mi	34:33	11:08	+0:08
20K	2:16:22	10:59	3.11 mi	33:40	10:51	-0:17
Half(13.10 mi)	2:24:24	11:02	0.67 mi	8:02	11:59	+1:08
25K	2:54:28	11:14	2.43 mi	30:04	12:21	+0:22
30K	3:35:15	11:33	3.11 mi	40:47	13:08	+0:47
35K	4:17:18	11:50	3.11 mi	42:03	13:33	+0:25
40K	4:56:15	11:56	3.10 mi	38:57	12:33	-1:00
Finish(26.22 mi)	5:13:33	11:59	1.37 mi	17:18	12:42	+0:09

Trend:

Faster pace

Steady pace

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More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:51 /mi

Average Pace

11:58 /mi

Slowest Pace

13:33 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:16:22

43% of race

Time at Steady Pace

1:34:21

30% of race

Time at Slower Pace

1:22:50

26% of race

Average Pace: 11:58 /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	47891	17990	17990	42604	14971	14971
10K	3.10 mi	46546+1345	17153+837	17153+837	45523	16589	16589
15K	3.11 mi	44987+1559	16242+911	16242+911	42604	14971	14971
20K	3.11 mi	43670+1317	15552+690	15552+690	40530	14095	14095
Half(13.10 mi)	0.67 mi	43804-134	15668-116	15668-116	45620	17269	17269
25K	2.43 mi	43865-61	15802-134	15802-134	44623	16809	16809
30K	3.11 mi	44216-351	16177-375	16177-375	45084	17439	17439
35K	3.11 mi	44127+89	16336-159	16336-159	43680	17258	17258
40K	3.10 mi	43570+557	16190+146	16190+146	39262	15386	15386
Finish(26.22 mi)	1.37 mi	43598-28	16268-78	16268-78	44584	17911	17911

17911

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