Alexandra Heilbron

Bib: 28768 F US

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

12:04/mi

37:29

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:19/mi

1:18:50

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:28/mi

2:03:45

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

14:15/mi

2:48:00

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:49/mi

2:57:56

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

19:40/mi

3:45:49

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

17:14/mi

4:39:20

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

19:38/mi

5:40:18

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

15:52/mi

6:29:34

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:35/mi

6:49:27

↑ 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

2:57:5613:36 /mi⚡ faster

2nd Half

3:51:3117:39 /mi+30.1%

Positive split — 30.1% 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	37:29	12:04	3.11 mi	37:29	12:04	-
10K	1:18:50	12:42	3.10 mi	41:21	13:19	+1:15
15K	2:03:45	13:17	3.11 mi	44:55	14:28	+1:09
20K	2:48:00	13:32	3.11 mi	44:15	14:15	-0:13
Half(13.10 mi)	2:57:56	13:36	0.67 mi	9:56	14:49	+0:34
25K	3:45:49	14:33	2.43 mi	47:53	19:40	+4:51
30K	4:39:20	15:00	3.11 mi	53:31	17:14	-2:26
35K	5:40:18	15:39	3.11 mi	1:00:58	19:38	+2:24
40K	6:29:34	15:41	3.10 mi	49:16	15:52	-3:46
Finish(26.22 mi)	6:49:27	15:38	1.37 mi	19:53	14:35	-1:17

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:04 /mi

Average Pace

15:38 /mi

Slowest Pace

19:40 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:18:50

19% of race

Time at Steady Pace

2:48:15

41% of race

Time at Slower Pace

2:42:22

40% of race

Average Pace: 15:37 /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	54326	22126	22126	56660	23854	23854
10K	3.10 mi	55449-1123	22949-823	22949-823	56113	23461	23461
15K	3.11 mi	55975-526	23332-383	23332-383	56660	23854	23854
20K	3.11 mi	55796+179	23227+105	23227+105	55361	23071	23071
Half(13.10 mi)	0.67 mi	55807-11	23241-14	23241-14	55616	23414	23414
25K	2.43 mi	57078-1271	24160-919	24160-919	59053	25604	25604
30K	3.11 mi	57234-156	24306-146	24306-146	57281	24495	24495
35K	3.11 mi	57781-547	24684-378	24684-378	58937	25618	25618
40K	3.10 mi	57577+204	24566+118	24566+118	55027	23434	23434
Finish(26.22 mi)	1.37 mi	57458+119	24502+64	24502+64	53234	22476	22476

22476

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