Justyna Spencer

Bib: 8633 F PL

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

12:00/mi

37:14

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:17/mi

1:15:23

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:23/mi

1:53:51

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

12:11/mi

2:31:42

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:57/mi

2:40:23

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:07/mi

3:12:19

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:04/mi

3:56:00

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

14:12/mi

4:40:06

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:46/mi

5:25:57

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:45/mi

5:46:03

↑ 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

2:40:2312:15 /mi⚡ faster

2nd Half

3:05:4014:10 /mi+15.8%

Positive split — 15.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	37:14	12:00	3.11 mi	37:14	12:00	-
10K	1:15:23	12:08	3.10 mi	38:09	12:17	+0:17
15K	1:53:51	12:13	3.11 mi	38:28	12:23	+0:06
20K	2:31:42	12:13	3.11 mi	37:51	12:11	-0:12
Half(13.10 mi)	2:40:23	12:15	0.67 mi	8:41	12:57	+0:46
25K	3:12:19	12:23	2.43 mi	31:56	13:07	+0:10
30K	3:56:00	12:40	3.11 mi	43:41	14:04	+0:57
35K	4:40:06	12:53	3.11 mi	44:06	14:12	+0:08
40K	5:25:57	13:07	3.10 mi	45:51	14:46	+0:34
Finish(26.22 mi)	5:46:03	13:13	1.37 mi	20:06	14:45	-0:01

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:00 /mi

Average Pace

13:12 /mi

Slowest Pace

14:46 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:31:42

44% of race

Time at Steady Pace

40:37

12% of race

Time at Slower Pace

2:33:44

44% of race

Average Pace: 13:12 /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	53998	21902	21902	50289	19588	19588
10K	3.10 mi	53479+519	21583+319	21583+319	52957	21298	21298
15K	3.11 mi	52415+1064	20899+684	20899+684	50289	19588	19588
20K	3.11 mi	51407+1008	20302+597	20302+597	48636	18785	18785
Half(13.10 mi)	0.67 mi	51290+117	20239+63	20239+63	50073	19924	19924
25K	2.43 mi	50590+700	19853+386	19853+386	48035	18774	18774
30K	3.11 mi	50349+241	19790+63	19790+63	49305	19788	19788
35K	3.11 mi	49947+402	19701+89	19701+89	47075	19023	19023
40K	3.10 mi	50258-311	19997-296	19997-296	51700	21657	21657
Finish(26.22 mi)	1.37 mi	50540-282	20196-199	20196-199	53679	22699	22699

22699

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#53998
5K → 10K	200719*+519	#53998 → #53479
10K → 15K	911155*+1064	#53479 → #52415
15K → 20K	571065*+1008	#52415 → #51407
20K → Half	53170+117	#51407 → #51290
Half → 25K	100800*+700	#51290 → #50590
25K → 30K	320561+241	#50590 → #50349
30K → 35K	176578*+402	#50349 → #49947
35K → 40K	200161-311	#49947 → #50258
40K → Finish	20050-282	#50258 → #50540
TOTALS	13975259*+3458	#53998 → #50540

* 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