Alexandra Stembridge

Bib: 23606 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Division (F18-39)

#0 / 14744

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

10:52/mi

33:43

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:15/mi

1:08:38

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:29/mi

1:44:17

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:42/mi

2:20:35

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:19/mi

2:28:10

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:24/mi

2:55:54

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:31/mi

3:34:47

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:04/mi

4:15:21

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

12:13/mi

4:53:17

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:07/mi

5:09:48

↑ 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

2:28:1011:19 /mi⚡ faster

2nd Half

2:41:3812:20 /mi+9.1%

Positive split — 9.1% slower in the second half

AI Race Performance Report

Alexandra'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	33:43	10:52	3.11 mi	33:43	10:52	-
10K	1:08:38	11:03	3.10 mi	34:55	11:15	+0:23
15K	1:44:17	11:12	3.11 mi	35:39	11:29	+0:14
20K	2:20:35	11:19	3.11 mi	36:18	11:42	+0:13
Half(13.10 mi)	2:28:10	11:19	0.67 mi	7:35	11:19	-0:23
25K	2:55:54	11:20	2.43 mi	27:44	11:24	+0:05
30K	3:34:47	11:32	3.11 mi	38:53	12:31	+1:07
35K	4:15:21	11:45	3.11 mi	40:34	13:04	+0:33
40K	4:53:17	11:48	3.10 mi	37:56	12:13	-0:51
Finish(26.22 mi)	5:09:48	11:50	1.37 mi	16:31	12:07	-0:06

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:52 /mi

Average Pace

11:49 /mi

Slowest Pace

13:04 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:16:13

25% of race

Time at Steady Pace

1:39:41

32% of race

Time at Slower Pace

2:13:54

43% of race

Average Pace: 11:49 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	47070	17460	17460	45207	16425	16425
10K	3.10 mi	47196-126	17539-79	17539-79	47380	17651	17651
15K	3.11 mi	46348+848	17067+472	17067+472	45207	16425	16425
20K	3.11 mi	46238+110	17085-18	17085-18	46155	17280	17280
Half(13.10 mi)	0.67 mi	45946+292	16930+155	16930+155	41320	14784	14784
25K	2.43 mi	44587+1359	16243+687	16243+687	39569	14031	14031
30K	3.11 mi	44025+562	16071+172	16071+172	41913	15740	15740
35K	3.11 mi	43559+466	16031+40	16031+40	41137	15936	15936
40K	3.10 mi	42754+805	15766+265	15766+265	37005	14322	14322
Finish(26.22 mi)	1.37 mi	42619+135	15744+22	15744+22	40602	15926	15926

15926

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