Roisin Marrett

Bib: 19466 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

Top 50%

Division (F45-49)

#0 / 2995

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

9:26/mi

29:17

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:50/mi

59:49

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:42/mi

1:33:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:26/mi

2:08:32

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:42/mi

2:16:23

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:05/mi

2:45:47

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:17/mi

3:23:55

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

12:29/mi

4:02:40

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:56/mi

4:39:44

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:55/mi

4:54:37

↑ 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

2:16:2310:25 /mi⚡ faster

2nd Half

2:38:1412:04 /mi+16.0%

Positive split — 16.0% slower in the second half

AI Race Performance Report

Roisin'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	29:17	9:26	3.11 mi	29:17	9:26	-
10K	59:49	9:38	3.10 mi	30:32	9:50	+0:24
15K	1:33:03	9:59	3.11 mi	33:14	10:42	+0:52
20K	2:08:32	10:21	3.11 mi	35:29	11:26	+0:44
Half(13.10 mi)	2:16:23	10:25	0.67 mi	7:51	11:42	+0:16
25K	2:45:47	10:41	2.43 mi	29:24	12:05	+0:23
30K	3:23:55	10:57	3.11 mi	38:08	12:17	+0:12
35K	4:02:40	11:10	3.11 mi	38:45	12:29	+0:12
40K	4:39:44	11:16	3.10 mi	37:04	11:56	-0:33
Finish(26.22 mi)	4:54:37	11:15	1.37 mi	14:53	10:55	-1:01

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:26 /mi

Average Pace

11:15 /mi

Slowest Pace

12:29 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:47:56

37% of race

Time at Steady Pace

1:49:48

37% of race

Time at Slower Pace

1:16:53

26% of race

Average Pace: 11:14 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	32495	9820	9820	39141	13071	13071
10K	3.10 mi	33692-1197	10345-525	10345-525	34822	10896	10896
15K	3.11 mi	35543-1851	11211-866	11211-866	39141	13071	13071
20K	3.11 mi	38235-2692	12632-1421	12632-1421	44629	16401	16401
Half(13.10 mi)	0.67 mi	38552-317	12812-180	12812-180	44018	16310	16310
25K	2.43 mi	39553-1001	13471-659	13471-659	43356	16102	16102
30K	3.11 mi	39735-182	13770-299	13770-299	40555	15057	15057
35K	3.11 mi	39379+356	13796-26	13796-26	37758	14230	14230
40K	3.10 mi	38831+548	13711+85	13711+85	35020	13374	13374
Finish(26.22 mi)	1.37 mi	38442+389	13599+112	13599+112	30851	11400	11400

11400

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