Alf Dobson

Bib: 38754 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 35%

Gender (Male)

#0 / 33594

Top 44%

Division (M18-39)

#0 / 16712

Top 47%

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

9:04/mi

28:09

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:59/mi

56:01

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:05/mi

1:24:12

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:47/mi

1:51:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:04/mi

1:57:34

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:58/mi

2:19:24

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:08/mi

2:47:46

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:45/mi

3:18:02

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:38/mi

3:47:56

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:29/mi

4:00:52

↑ 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

1:57:348:59 /mi⚡ faster

2nd Half

2:03:189:24 /mi+4.9%

Positive split — 4.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:09	9:04	3.11 mi	28:09	9:04	-
10K	56:01	9:01	3.10 mi	27:52	8:59	-0:05
15K	1:24:12	9:03	3.11 mi	28:11	9:05	+0:06
20K	1:51:29	8:59	3.11 mi	27:17	8:47	-0:18
Half(13.10 mi)	1:57:34	8:59	0.67 mi	6:05	9:04	+0:17
25K	2:19:24	8:59	2.43 mi	21:50	8:58	-0:06
30K	2:47:46	9:00	3.11 mi	28:22	9:08	+0:10
35K	3:18:02	9:07	3.11 mi	30:16	9:45	+0:37
40K	3:47:56	9:11	3.10 mi	29:54	9:38	-0:07
Finish(26.22 mi)	4:00:52	9:12	1.37 mi	12:56	9:29	-0:09

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:47 /mi

Average Pace

9:12 /mi

Slowest Pace

9:45 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:30:36

87% of race

Time at Steady Pace

30:16

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:11 /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	27685	19674	19674	22190	16233	16233
10K	3.10 mi	25731+1954	18470+1204	18470+1204	24072	17408	17408
15K	3.11 mi	24347+1384	17619+851	17619+851	22190	16233	16233
20K	3.11 mi	23281+1066	16932+687	16932+687	20918	15341	15341
Half(13.10 mi)	0.67 mi	23137+144	16827+105	16827+105	21222	15495	15495
25K	2.43 mi	22450+687	16328+499	16328+499	20222	14737	14737
30K	3.11 mi	21495+955	15621+707	15621+707	18462	13390	13390
35K	3.11 mi	21112+383	15194+427	15194+427	20034	13917	13917
40K	3.10 mi	20663+449	14732+462	14732+462	18241	12375	12375
Finish(26.22 mi)	1.37 mi	20648+15	14672+60	14672+60	18850	12699	12699

12699

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#27685
5K → 10K	1132067*+1954	#27685 → #25731
10K → 15K	361420*+1384	#25731 → #24347
15K → 20K	301096*+1066	#24347 → #23281
20K → Half	23167+144	#23281 → #23137
Half → 25K	58745*+687	#23137 → #22450
25K → 30K	631018+955	#22450 → #21495
30K → 35K	200583*+383	#21495 → #21112
35K → 40K	200649*+449	#21112 → #20663
40K → Finish	163178+15	#20663 → #20648
TOTALS	8867923*+7037	#27685 → #20648

* 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