Alexandra Bolhack

Bib: 19525 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

10:36/mi

32:53

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:55/mi

1:06:47

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:43/mi

1:43:09

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:58/mi

2:20:17

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:58/mi

2:30:19

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:20/mi

2:57:53

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:40/mi

3:34:06

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:40/mi

4:10:18

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:19/mi

4:45:25

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:15/mi

4:59:23

↑ 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

2:30:1911:29 /mi⚖️ balanced

2nd Half

2:29:0411:22 /mi⚖️ balanced

Even split — consistent pacing between halves

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	32:53	10:36	3.11 mi	32:53	10:36	-
10K	1:06:47	10:45	3.10 mi	33:54	10:55	+0:19
15K	1:43:09	11:05	3.11 mi	36:22	11:43	+0:48
20K	2:20:17	11:18	3.11 mi	37:08	11:58	+0:15
Half(13.10 mi)	2:30:19	11:29	0.67 mi	10:02	14:58	+3:00
25K	2:57:53	11:28	2.43 mi	27:34	11:20	-3:38
30K	3:34:06	11:30	3.11 mi	36:13	11:40	+0:20
35K	4:10:18	11:31	3.11 mi	36:12	11:40	0:00
40K	4:45:25	11:30	3.10 mi	35:07	11:19	-0:21
Finish(26.22 mi)	4:59:23	11:26	1.37 mi	13:58	10:15	-1:04

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:15 /mi

Average Pace

11:26 /mi

Slowest Pace

14:58 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:20:45

27% of race

Time at Steady Pace

3:28:36

70% of race

Time at Slower Pace

10:02

3% of race

Average Pace: 11:25 /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	44610	15999	15999	46735	17360	17360
10K	3.10 mi	44672-62	16048-49	16048-49	44911	16224	16224
15K	3.11 mi	45391-719	16482-434	16482-434	46735	17360	17360
20K	3.11 mi	46066-675	16982-500	16982-500	47534	18091	18091
Half(13.10 mi)	0.67 mi	47108-1042	17631-649	17631-649	55872	23581	23581
25K	2.43 mi	45502+1606	16780+851	16780+851	39103	13787	13787
30K	3.11 mi	43764+1738	15924+856	15924+856	36930	13201	13201
35K	3.11 mi	41927+1837	15153+771	15153+771	32565	11740	11740
40K	3.10 mi	40588+1339	14623+530	14623+530	30194	11071	11071
Finish(26.22 mi)	1.37 mi	39941+647	14344+279	14344+279	25082	8738	8738

8738

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