Alexandra Neilson

Bib: 74211 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

12:52/mi

39:56

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:07/mi

1:20:39

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

15:08/mi

2:07:39

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

15:08/mi

2:54:39

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:30/mi

3:03:42

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:39/mi

3:36:55

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:35/mi

4:19:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:28/mi

5:00:56

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:30/mi

5:42:50

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:03/mi

5:59:15

↑ 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

3:03:4214:02 /mi+4.4%

2nd Half

2:55:3313:23 /mi✓ faster

Negative split — 4.4% faster 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	39:56	12:52	3.11 mi	39:56	12:52	-
10K	1:20:39	12:59	3.10 mi	40:43	13:07	+0:15
15K	2:07:39	13:42	3.11 mi	47:00	15:08	+2:01
20K	2:54:39	14:04	3.11 mi	47:00	15:08	0:00
Half(13.10 mi)	3:03:42	14:02	0.67 mi	9:03	13:30	-1:38
25K	3:36:55	13:58	2.43 mi	33:13	13:39	+0:09
30K	4:19:07	13:55	3.11 mi	42:12	13:35	-0:04
35K	5:00:56	13:51	3.11 mi	41:49	13:28	-0:07
40K	5:42:50	13:48	3.10 mi	41:54	13:30	+0:02
Finish(26.22 mi)	5:59:15	13:43	1.37 mi	16:25	12:03	-1:27

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:03 /mi

Average Pace

13:43 /mi

Slowest Pace

15:08 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

56:21

16% of race

Time at Steady Pace

3:28:54

58% of race

Time at Slower Pace

1:34:00

26% of race

Average Pace: 13:42 /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	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	56819	23895	23895	57645	24538	24538
10K	3.10 mi	56252+567	23507+388	23507+388	55630	23118	23118
15K	3.11 mi	56905-653	23986-479	23986-479	57645	24538	24538
20K	3.11 mi	56994-89	24073-87	24073-87	56954	24123	24123
Half(13.10 mi)	0.67 mi	56812+182	23958+115	23958+115	52026	21139	21139
25K	2.43 mi	55955+857	23375+583	23375+583	49948	19916	19916
30K	3.11 mi	54884+1071	22686+689	22686+689	47233	18634	18634
35K	3.11 mi	53745+1139	22053+633	22053+633	43307	17081	17081
40K	3.10 mi	53065+680	21703+350	21703+350	45295	18345	18345
Finish(26.22 mi)	1.37 mi	52646+419	21465+238	21465+238	40093	15705	15705

15705

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