Alexandra Black

Bib: 8501 F GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 16%

Gender (Female)

#0 / 26115

Top 8%

Division (F18-39)

#0 / 14744

Top 9%

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

8:00/mi

24:50

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:05/mi

49:56

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:17/mi

1:15:40

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:57/mi

1:40:21

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:18/mi

1:45:55

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:57/mi

2:05:16

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:00/mi

2:30:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:55/mi

2:54:40

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

7:38/mi

3:18:22

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:34/mi

3:28:41

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

6–172 ft

≈

×14story building

•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half

1:45:558:06 /mi+3.0%

2nd Half

1:42:467:50 /mi✓ faster

Negative split — 3.0% faster in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:50	8:00	3.11 mi	24:50	8:00	-
10K	49:56	8:03	3.10 mi	25:06	8:05	+0:05
15K	1:15:40	8:08	3.11 mi	25:44	8:17	+0:12
20K	1:40:21	8:05	3.11 mi	24:41	7:57	-0:20
Half(13.10 mi)	1:45:55	8:06	0.67 mi	5:34	8:18	+0:21
25K	2:05:16	8:04	2.43 mi	19:21	7:57	-0:21
30K	2:30:07	8:04	3.11 mi	24:51	8:00	+0:03
35K	2:54:40	8:02	3.11 mi	24:33	7:55	-0:05
40K	3:18:22	7:59	3.10 mi	23:42	7:38	-0:17
Finish(26.22 mi)	3:28:41	7:58	1.37 mi	10:19	7:34	-0:04

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:34 /mi

Average Pace

7:58 /mi

Slowest Pace

8:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

58:34

28% of race

Time at Steady Pace

2:30:07

72% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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	14087	3248	3248	14181	3252	3252
10K	3.10 mi	13979+108	3249-1	3249-1	13970	3236	3236
15K	3.11 mi	13993-14	3225+24	3225+24	14181	3252	3252
20K	3.11 mi	13517+476	3083+142	3083+142	12432	2700	2700
Half(13.10 mi)	0.67 mi	13521-4	3088-5	3088-5	13776	3176	3176
25K	2.43 mi	12937+584	2912+176	2912+176	10782	2272	2272
30K	3.11 mi	12012+925	2668+244	2668+244	9134	1823	1823
35K	3.11 mi	10859+1153	2358+310	2358+310	7048	1344	1344
40K	3.10 mi	9653+1206	2046+312	2046+312	5126	867	867
Finish(26.22 mi)	1.37 mi	9308+345	1969+77	1969+77	5147	925	925

925

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#14087
5K → 10K	200308*+108	#14087 → #13979
10K → 15K	200200-14	#13979 → #13993
15K → 20K	49525*+476	#13993 → #13517
20K → Half	6258-4	#13517 → #13521
Half → 25K	12596*+584	#13521 → #12937
25K → 30K	9934+925	#12937 → #12012
30K → 35K	81161*+1153	#12012 → #10859
35K → 40K	31209*+1206	#10859 → #9653
40K → Finish	11356*+345	#9653 → #9308
TOTALS	5545347*+4779	#14087 → #9308

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

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing