Alexandra Bastock

Bib: 19211 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

12:18/mi

38:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

13:45/mi

1:20:54

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

14:08/mi

2:04:46

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

19:00/mi

3:03:47

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:38/mi

3:13:36

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

15:05/mi

3:50:19

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:55/mi

4:39:44

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

19:15/mi

5:39:32

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

17:28/mi

6:33:46

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

16:46/mi

6:56:38

↑ 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

3:13:3614:47 /mi⚡ faster

2nd Half

3:43:0217:00 /mi+15.2%

Positive split — 15.2% slower in the second half

AI Race Performance Report

Alexandra's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	38:11	12:18	3.11 mi	38:11	12:18	-
10K	1:20:54	13:02	3.10 mi	42:43	13:45	+1:27
15K	2:04:46	13:24	3.11 mi	43:52	14:08	+0:23
20K	3:03:47	14:48	3.11 mi	59:01	19:00	+4:52
Half(13.10 mi)	3:13:36	14:47	0.67 mi	9:49	14:38	-4:22
25K	3:50:19	14:50	2.43 mi	36:43	15:05	+0:27
30K	4:39:44	15:01	3.11 mi	49:25	15:55	+0:50
35K	5:39:32	15:37	3.11 mi	59:48	19:15	+3:20
40K	6:33:46	15:51	3.10 mi	54:14	17:28	-1:47
Finish(26.22 mi)	6:56:38	15:55	1.37 mi	22:52	16:46	-0:42

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:18 /mi

Average Pace

15:54 /mi

Slowest Pace

19:15 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:14:35

32% of race

Time at Steady Pace

1:49:00

26% of race

Time at Slower Pace

2:53:03

42% of race

Average Pace: 15:53 /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	55159	22701	22701	55966	23373	23373
10K	3.10 mi	56350-1191	23575-874	23575-874	56939	24031	24031
15K	3.11 mi	56233+117	23512+63	23512+63	55966	23373	23373
20K	3.11 mi	58054-1821	24827-1315	24827-1315	59444	25869	25869
Half(13.10 mi)	0.67 mi	57962+92	24764+63	24764+63	55198	23163	23163
25K	2.43 mi	57509+453	24457+307	24457+307	54184	22472	22472
30K	3.11 mi	57270+239	24331+126	24331+126	55144	23213	23213
35K	3.11 mi	57730-460	24647-316	24647-316	58720	25490	25490
40K	3.10 mi	57780-50	24699-52	24699-52	57731	24900	24900
Finish(26.22 mi)	1.37 mi	57823-43	24740-41	24740-41	57454	24822	24822

24822

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#55159
5K → 10K	200184-1191	#55159 → #56350
10K → 15K	200317*+117	#56350 → #56233
15K → 20K	20019-1821	#56233 → #58054
20K → Half	10102+92	#58054 → #57962
Half → 25K	18471*+453	#57962 → #57509
25K → 30K	79318+239	#57509 → #57270
30K → 35K	20030-460	#57270 → #57730
35K → 40K	12777-50	#57730 → #57780
40K → Finish	7128-43	#57780 → #57823
TOTALS	11051546*-2664	#55159 → #57823

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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