Josie O'Brien

Bib: 67732 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

12:59/mi

40:19

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:46/mi

1:19:58

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:50/mi

1:59:50

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:59/mi

2:40:09

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:54/mi

2:48:48

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:10/mi

3:20:51

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:03/mi

4:01:22

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:11/mi

4:45:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:50/mi

5:28:21

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:16/mi

5:46:26

↑ 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

2:48:4812:54 /mi⚡ faster

2nd Half

2:57:3813:33 /mi+5.2%

Positive split — 5.2% slower in the second half

AI Race Performance Report

Josie'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	40:19	12:59	3.11 mi	40:19	12:59	-
10K	1:19:58	12:53	3.10 mi	39:39	12:46	-0:13
15K	1:59:50	12:52	3.11 mi	39:52	12:50	+0:04
20K	2:40:09	12:54	3.11 mi	40:19	12:59	+0:09
Half(13.10 mi)	2:48:48	12:54	0.67 mi	8:39	12:54	-0:05
25K	3:20:51	12:56	2.43 mi	32:03	13:10	+0:16
30K	4:01:22	12:57	3.11 mi	40:31	13:03	-0:07
35K	4:45:23	13:08	3.11 mi	44:01	14:11	+1:08
40K	5:28:21	13:13	3.10 mi	42:58	13:50	-0:21
Finish(26.22 mi)	5:46:26	13:14	1.37 mi	18:05	13:16	-0:34

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:46 /mi

Average Pace

13:13 /mi

Slowest Pace

14:11 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

5:02:25

87% of race

Time at Steady Pace

44:01

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:13 /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	57093	24090	24090	52140	20801	20801
10K	3.10 mi	55951+1142	23304+786	23304+786	54678	22443	22443
15K	3.11 mi	54827+1124	22530+774	22530+774	52140	20801	20801
20K	3.11 mi	54012+815	22016+514	22016+514	51796	20779	20779
Half(13.10 mi)	0.67 mi	53782+230	21895+121	21895+121	49956	19846	19846
25K	2.43 mi	52887+895	21363+532	21363+532	48235	18897	18897
30K	3.11 mi	51642+1245	20634+729	20634+729	44679	17223	17223
35K	3.11 mi	51057+585	20366+268	20366+268	46951	18960	18960
40K	3.10 mi	50708+349	20274+92	20274+92	47257	19352	19352
Finish(26.22 mi)	1.37 mi	50590+118	20225+49	20225+49	47910	19649	19649

19649

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