Rachel O'Brien

Bib: 74582 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F40-44)

#0 / 3355

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

11:56/mi

37:03

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:53/mi

1:13:58

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:12/mi

1:54:56

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:50/mi

2:37:53

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

15:09/mi

2:48:03

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:19/mi

3:25:20

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:24/mi

4:16:16

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

16:17/mi

5:06:50

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:35/mi

5:48:59

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:13/mi

6:04:16

↑ 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

2:48:0312:50 /mi⚡ faster

2nd Half

3:16:1314:58 /mi+16.8%

Positive split — 16.8% slower in the second half

AI Race Performance Report

Rachel'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	37:03	11:56	3.11 mi	37:03	11:56	-
10K	1:13:58	11:55	3.10 mi	36:55	11:53	-0:03
15K	1:54:56	12:20	3.11 mi	40:58	13:12	+1:19
20K	2:37:53	12:43	3.11 mi	42:57	13:50	+0:38
Half(13.10 mi)	2:48:03	12:50	0.67 mi	10:10	15:09	+1:19
25K	3:25:20	13:14	2.43 mi	37:17	15:19	+0:10
30K	4:16:16	13:45	3.11 mi	50:56	16:24	+1:05
35K	5:06:50	14:07	3.11 mi	50:34	16:17	-0:07
40K	5:48:59	14:03	3.10 mi	42:09	13:35	-2:42
Finish(26.22 mi)	6:04:16	13:55	1.37 mi	15:17	11:13	-2:22

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:13 /mi

Average Pace

13:54 /mi

Slowest Pace

16:24 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:29:15

25% of race

Time at Steady Pace

2:06:04

35% of race

Time at Slower Pace

2:28:57

41% of race

Average Pace: 13:54 /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	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	53794	21758	21758	53469	21700	21700
10K	3.10 mi	52470+1324	20902+856	20902+856	51333	20191	20191
15K	3.11 mi	52897-427	21209-307	21209-307	53469	21700	21700
20K	3.11 mi	53373-476	21596-387	21596-387	54338	22437	22437
Half(13.10 mi)	0.67 mi	53582-209	21767-171	21767-171	56226	23799	23799
25K	2.43 mi	53833-251	21981-214	21981-214	54729	22810	22810
30K	3.11 mi	54443-610	22413-432	22413-432	56064	23744	23744
35K	3.11 mi	54578-135	22576-163	22576-163	54613	23126	23126
40K	3.10 mi	53944+634	22238+338	22238+338	45760	18563	18563
Finish(26.22 mi)	1.37 mi	53362+582	21903+335	21903+335	33462	12635	12635

12635

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