Alison Sim

Bib: 64619 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 (F55-59)

#0 / 1484

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

11:50/mi

36:45

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:47/mi

1:16:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:49/mi

2:02:24

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:25/mi

2:47:09

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:17/mi

2:56:44

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:08/mi

3:33:35

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

17:40/mi

4:28:26

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

16:07/mi

5:18:29

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:47/mi

6:04:23

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:58/mi

6:24:47

↑ 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

2:56:4413:30 /mi⚡ faster

2nd Half

3:28:0315:52 /mi+17.7%

Positive split — 17.7% slower in the second half

AI Race Performance Report

Alison'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	36:45	11:50	3.11 mi	36:45	11:50	-
10K	1:16:25	12:18	3.10 mi	39:40	12:47	+0:57
15K	2:02:24	13:08	3.11 mi	45:59	14:49	+2:02
20K	2:47:09	13:28	3.11 mi	44:45	14:25	-0:24
Half(13.10 mi)	2:56:44	13:30	0.67 mi	9:35	14:17	-0:08
25K	3:33:35	13:45	2.43 mi	36:51	15:08	+0:51
30K	4:28:26	14:25	3.11 mi	54:51	17:40	+2:32
35K	5:18:29	14:39	3.11 mi	50:03	16:07	-1:33
40K	6:04:23	14:40	3.10 mi	45:54	14:47	-1:20
Finish(26.22 mi)	6:24:47	14:42	1.37 mi	20:24	14:58	+0:11

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:50 /mi

Average Pace

14:41 /mi

Slowest Pace

17:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:16:25

20% of race

Time at Steady Pace

3:23:28

53% of race

Time at Slower Pace

1:44:54

27% of race

Average Pace: 14:41 /mi

Loading chart...

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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	53371	21458	21458	57196	24226	24226
10K	3.10 mi	54108-737	21997-539	21997-539	54693	22454	22454
15K	3.11 mi	55596-1488	23067-1070	23067-1070	57196	24226	24226
20K	3.11 mi	55626-30	23110-43	23110-43	55724	23308	23308
Half(13.10 mi)	0.67 mi	55587+39	23082+28	23082+28	54438	22677	22677
25K	2.43 mi	55392+195	22973+109	22973+109	54323	22563	22563
30K	3.11 mi	56186-794	23562-589	23562-589	57772	24800	24800
35K	3.11 mi	56009+177	23498+64	23498+64	54201	22904	22904
40K	3.10 mi	55655+354	23311+187	23311+187	51767	21703	21703
Finish(26.22 mi)	1.37 mi	55601+54	23289+22	23289+22	54278	23015	23015

23015

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