Karen Prevost

Bib: 53084 F AU

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F50-54)

#0 / 2342

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

9:53/mi

30:42

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:02/mi

1:01:50

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:58/mi

1:35:52

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:36/mi

2:08:45

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:01/mi

2:16:08

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:49/mi

2:44:54

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:14/mi

3:29:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:23/mi

4:16:52

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:05/mi

4:57:29

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:53/mi

5:13:41

↑ 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

2:16:0810:24 /mi⚡ faster

2nd Half

2:57:3313:32 /mi+30.4%

Positive split — 30.4% slower in the second half

AI Race Performance Report

Karen'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	30:42	9:53	3.11 mi	30:42	9:53	-
10K	1:01:50	9:58	3.10 mi	31:08	10:02	+0:09
15K	1:35:52	10:18	3.11 mi	34:02	10:58	+0:56
20K	2:08:45	10:22	3.11 mi	32:53	10:36	-0:22
Half(13.10 mi)	2:16:08	10:24	0.67 mi	7:23	11:01	+0:25
25K	2:44:54	10:37	2.43 mi	28:46	11:49	+0:48
30K	3:29:05	11:13	3.11 mi	44:11	14:14	+2:25
35K	4:16:52	11:49	3.11 mi	47:47	15:23	+1:09
40K	4:57:29	11:59	3.10 mi	40:37	13:05	-2:18
Finish(26.22 mi)	5:13:41	11:59	1.37 mi	16:12	11:53	-1:12

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:53 /mi

Average Pace

11:58 /mi

Slowest Pace

15:23 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:34:43

30% of race

Time at Steady Pace

1:26:23

28% of race

Time at Slower Pace

2:12:35

42% 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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	37459	12118	12118	41281	14250	14250
10K	3.10 mi	36961+498	11886+232	11886+232	36686	11776	11776
15K	3.11 mi	38471-1510	12665-779	12665-779	41281	14250	14250
20K	3.11 mi	38388+83	12705-40	12705-40	38572	13084	13084
Half(13.10 mi)	0.67 mi	38375+13	12716-11	12716-11	39149	13614	13614
25K	2.43 mi	39044-669	13183-467	13183-467	42044	15373	15373
30K	3.11 mi	41792-2748	14862-1679	14862-1679	49973	20177	20177
35K	3.11 mi	44017-2225	16273-1411	16273-1411	51949	21679	21679
40K	3.10 mi	43898+119	16375-102	16375-102	42812	17071	17071
Finish(26.22 mi)	1.37 mi	43634+264	16288+87	16288+87	38841	15111	15111

15111

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