Sam Dempster

Bib: 3596 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 16%

Division (M18-39)

#0 / 16712

Top 18%

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

7:22/mi

22:53

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:23/mi

45:48

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:30/mi

1:09:04

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:20/mi

1:31:51

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:28/mi

1:36:51

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:21/mi

1:54:43

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:23/mi

2:17:38

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:39/mi

2:41:22

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

7:53/mi

3:05:51

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:04/mi

3:16:50

↑ 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

1:36:517:24 /mi⚡ faster

2nd Half

1:39:597:38 /mi+3.2%

Positive split — 3.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	22:53	7:22	3.11 mi	22:53	7:22	-
10K	45:48	7:23	3.10 mi	22:55	7:23	+0:01
15K	1:09:04	7:25	3.11 mi	23:16	7:30	+0:07
20K	1:31:51	7:24	3.11 mi	22:47	7:20	-0:10
Half(13.10 mi)	1:36:51	7:24	0.67 mi	5:00	7:28	+0:08
25K	1:54:43	7:24	2.43 mi	17:52	7:21	-0:07
30K	2:17:38	7:23	3.11 mi	22:55	7:23	+0:02
35K	2:41:22	7:26	3.11 mi	23:44	7:39	+0:16
40K	3:05:51	7:29	3.10 mi	24:29	7:53	+0:14
Finish(26.22 mi)	3:16:50	7:31	1.37 mi	10:59	8:04	+0:11

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:20 /mi

Average Pace

7:31 /mi

Slowest Pace

8:04 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:16:50

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	7935	6675	6675	7135	6111	6111
10K	3.10 mi	7691+244	6508+167	6508+167	7493	6373	6373
15K	3.11 mi	7472+219	6359+149	6359+149	7135	6111	6111
20K	3.11 mi	7376+96	6283+76	6283+76	7184	6129	6129
Half(13.10 mi)	0.67 mi	7336+40	6253+30	6253+30	6598	5720	5720
25K	2.43 mi	7122+214	6087+166	6087+166	6324	5470	5470
30K	3.11 mi	6668+454	5736+351	5736+351	5327	4687	4687
35K	3.11 mi	6394+274	5479+257	5479+257	5657	4755	4755
40K	3.10 mi	6242+152	5311+168	5311+168	6326	5051	5051
Finish(26.22 mi)	1.37 mi	6268-26	5310+1	5310+1	7903	5985	5985

5985

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#7935
5K → 10K	85329*+244	#7935 → #7691
10K → 15K	46265*+219	#7691 → #7472
15K → 20K	56152+96	#7472 → #7376
20K → Half	747+40	#7376 → #7336
Half → 25K	18232*+214	#7336 → #7122
25K → 30K	7461+454	#7122 → #6668
30K → 35K	67341*+274	#6668 → #6394
35K → 40K	119271*+152	#6394 → #6242
40K → Finish	11286-26	#6242 → #6268
TOTALS	5172184*+1667	#7935 → #6268

* 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