Karen Alexander

Bib: 70660 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 (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

10:36/mi

32:54

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:01/mi

1:10:13

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:53/mi

1:53:19

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:39/mi

2:32:35

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:19/mi

2:41:31

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

14:29/mi

3:16:47

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

19:22/mi

4:16:56

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

21:05/mi

5:22:26

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

18:19/mi

6:19:20

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

15:49/mi

6:40:53

↑ 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

2:41:3112:20 /mi⚡ faster

2nd Half

3:59:2218:15 /mi+48.2%

Positive split — 48.2% 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	32:54	10:36	3.11 mi	32:54	10:36	-
10K	1:10:13	11:19	3.10 mi	37:19	12:01	+1:25
15K	1:53:19	12:10	3.11 mi	43:06	13:53	+1:52
20K	2:32:35	12:17	3.11 mi	39:16	12:39	-1:14
Half(13.10 mi)	2:41:31	12:20	0.67 mi	8:56	13:19	+0:40
25K	3:16:47	12:41	2.43 mi	35:16	14:29	+1:10
30K	4:16:56	13:47	3.11 mi	1:00:09	19:22	+4:53
35K	5:22:26	14:50	3.11 mi	1:05:30	21:05	+1:43
40K	6:19:20	15:16	3.10 mi	56:54	18:19	-2:46
Finish(26.22 mi)	6:40:53	15:19	1.37 mi	21:33	15:49	-2:30

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:36 /mi

Average Pace

15:18 /mi

Slowest Pace

21:05 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:49:29

27% of race

Time at Steady Pace

1:48:51

27% of race

Time at Slower Pace

3:02:33

46% of race

Average Pace: 15:17 /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	44668	16039	16039	55415	22999	22999
10K	3.10 mi	49106-4438	18709-2670	18709-2670	51903	20584	20584
15K	3.11 mi	52164-3058	20734-2025	20734-2025	55415	22999	22999
20K	3.11 mi	51671+493	20475+259	20475+259	50564	19973	19973
Half(13.10 mi)	0.67 mi	51665+6	20489-14	20489-14	51502	20806	20806
25K	2.43 mi	51886-221	20707-218	20707-218	52591	21512	21512
30K	3.11 mi	54543-2657	22473-1766	22473-1766	59004	25618	25618
35K	3.11 mi	56398-1855	23767-1294	23767-1294	59398	25895	25895
40K	3.10 mi	56921-523	24136-369	24136-369	58473	25319	25319
Finish(26.22 mi)	1.37 mi	56918+3	24146-10	24146-10	56129	24052	24052

24052

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