James Portlock

Bib: 3692 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 15%

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

6:44/mi

20:54

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:39/mi

41:33

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

6:51/mi

1:02:49

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

6:41/mi

1:23:33

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

6:55/mi

1:28:11

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

6:47/mi

1:44:42

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:03/mi

2:06:34

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:23/mi

2:29:30

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:09/mi

2:57:55

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

12:58/mi

3:15:36

↑ 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

1:28:116:44 /mi⚡ faster

2nd Half

1:47:258:12 /mi+21.8%

Positive split — 21.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	20:54	6:44	3.11 mi	20:54	6:44	-
10K	41:33	6:42	3.10 mi	20:39	6:39	-0:05
15K	1:02:49	6:45	3.11 mi	21:16	6:51	+0:12
20K	1:23:33	6:44	3.11 mi	20:44	6:41	-0:10
Half(13.10 mi)	1:28:11	6:44	0.67 mi	4:38	6:55	+0:14
25K	1:44:42	6:45	2.43 mi	16:31	6:47	-0:08
30K	2:06:34	6:48	3.11 mi	21:52	7:03	+0:16
35K	2:29:30	6:53	3.11 mi	22:56	7:23	+0:20
40K	2:57:55	7:10	3.10 mi	28:25	9:09	+1:46
Finish(26.22 mi)	3:15:36	7:28	1.37 mi	17:41	12:58	+3:49

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:39 /mi

Average Pace

7:28 /mi

Slowest Pace

12:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:29:30

76% of race

Time at Slower Pace

46:06

24% of race

Average Pace: 7:28 /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	4042	3684	3684	3378	3139	3139
10K	3.10 mi	3488+554	3225+459	3225+459	3108	2900	2900
15K	3.11 mi	3440+48	3186+39	3186+39	3378	3139	3139
20K	3.11 mi	3393+47	3146+40	3146+40	3352	3132	3132
Half(13.10 mi)	0.67 mi	3398-5	3150-4	3150-4	3803	3531	3531
25K	2.43 mi	3381+17	3141+9	3141+9	3455	3206	3206
30K	3.11 mi	3446-65	3202-61	3202-61	3922	3588	3588
35K	3.11 mi	3685-239	3395-193	3395-193	4526	3987	3987
40K	3.10 mi	4644-959	4140-745	4140-745	14645	10181	10181
Finish(26.22 mi)	1.37 mi	5994-1350	5111-971	5111-971	46228	27388	27388

27388

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#4042
5K → 10K	16570+554	#4042 → #3488
10K → 15K	4492+48	#3488 → #3440
15K → 20K	4188+47	#3440 → #3393
20K → Half	2116-5	#3393 → #3398
Half → 25K	5168+17	#3398 → #3381
25K → 30K	14681-65	#3381 → #3446
30K → 35K	342103-239	#3446 → #3685
35K → 40K	97819-959	#3685 → #4644
40K → Finish	13566-1350	#4644 → #5994
TOTALS	29951043-1952	#4042 → #5994

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