Seiji Koizeki

Bib: 49072•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 13%

Gender (Male)

#0 / 33594

Top 19%

Masters (Masters Men)

#0 / 16876

Top 17%

Division (M55-59)

#0 / 2251

Top 10%

Race Day Weather

56°/46°F

overcast clouds

⏱️ Race Timeline

Course Elevation

6–172 ft

≈

×14story building

•▲ 503 ft climb · ▼ 613 ft descent

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

5K· 3.11 mi

7:22/mi

22:51

↑ 49 ft↓ 125 ft0.5% grade

10K· 6.21 mi

7:27/mi

45:58

↑ 50 ft↓ 81 ft0.2% grade

15K· 9.32 mi

7:38/mi

1:09:39

↑ 44 ft↓ 51 ft

20K· 12.43 mi

7:27/mi

1:32:45

↑ 67 ft↓ 40 ft0.2% grade

Half· 13.10 mi

7:38/mi

1:37:52

↓ 27 ft0.6% grade

25K· 15.53 mi

7:28/mi

1:56:02

↑ 50 ft↓ 63 ft0.1% grade

30K· 18.64 mi

7:39/mi

2:19:46

↑ 69 ft↓ 46 ft0.1% grade

35K· 21.75 mi

8:04/mi

2:44:47

↑ 87 ft↓ 88 ft

40K· 24.85 mi

8:33/mi

3:11:19

↑ 58 ft↓ 75 ft0.1% grade

Finish· 26.22 mi

9:11/mi

3:23:50

↑ 14 ft↓ 18 ft

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.10 mi

Time1:37:52

Pace7:29 /mi

2nd Half

Distance13.12 mi

Time1:45:58

Pace8:05 /mi

📊Positive Split: 8.3% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:10:44	22:51	7:22	22:51	7:22	-
10K	6.21 mi	10:33:51	45:58	7:24	23:07	7:27	+0:05
15K	9.32 mi	10:57:32	1:09:39	7:29	23:41	7:38	+0:11
20K	12.43 mi	11:20:38	1:32:45	7:28	23:06	7:27	-0:11
Half	13.10 mi	11:25:45	1:37:52	7:29	5:07	7:38	+0:11
25K	15.53 mi	11:43:55	1:56:02	7:29	18:10	7:28	-0:10
30K	18.64 mi	12:07:39	2:19:46	7:30	23:44	7:39	+0:11
35K	21.75 mi	12:32:40	2:44:47	7:35	25:01	8:04	+0:25
40K	24.85 mi	12:59:12	3:11:19	7:42	26:32	8:33	+0:29
Finish	26.22 mi	13:11:43	3:23:50	7:47	12:31	9:11	+0:38

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:22 /mi

Average Pace

7:47 /mi

Slowest Pace

9:11 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:19:46

69% of race

Time at Slower Pace

1:04:04

31% of race

Average Pace: 7:46 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:10:44	22:51	7:22	22:51	7:22	#7865
10K	6.21 mi	10:33:51	45:58	7:24	23:07	7:27	#7863
15K	9.32 mi	10:57:32	1:09:39	7:29	23:41	7:38	#7848
20K	12.43 mi	11:20:38	1:32:45	7:28	23:06	7:27	#7846
Half	13.10 mi	11:25:45	1:37:52	7:29	5:07	7:38	#7828
25K	15.53 mi	11:43:55	1:56:02	7:29	18:10	7:28	#7687
30K	18.64 mi	12:07:39	2:19:46	7:30	23:44	7:39	#7431
35K	21.75 mi	12:32:40	2:44:47	7:35	25:01	8:04	#7377
40K	24.85 mi	12:59:12	3:11:19	7:42	26:32	8:33	#7631
Finish	26.22 mi	13:11:43	3:23:50	7:47	12:31	9:11	#7939

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	7865	6630	6630	8000(Top 13%)	6722(Top 20%)	6722(Top 299%)
10K	6.21 mi	3.10 mi	7863+2	6628+2	6628+2	7890(Top 13%)	6654(Top 20%)	6654(Top 296%)
15K	9.32 mi	3.11 mi	7848+15	6622+6	6622+6	8000(Top 13%)	6722(Top 20%)	6722(Top 299%)
20K	12.43 mi	3.11 mi	7846+2	6608+14	6608+14	7915(Top 13%)	6640(Top 20%)	6640(Top 295%)
Half	13.10 mi	0.67 mi	7828+18	6597+11	6597+11	7791(Top 13%)	6560(Top 20%)	6560(Top 291%)
25K	15.53 mi	2.43 mi	7687+141	6492+105	6492+105	7133(Top 12%)	6044(Top 18%)	6044(Top 269%)
30K	18.64 mi	3.11 mi	7431+256	6283+209	6283+209	6797(Top 11%)	5721(Top 17%)	5721(Top 254%)
35K	21.75 mi	3.11 mi	7377+54	6177+106	6177+106	7889(Top 13%)	6277(Top 19%)	6277(Top 279%)
40K	24.85 mi	3.10 mi	7631-254	6283-106	6283-106	10263(Top 17%)	7519(Top 22%)	7519(Top 334%)
Finish	26.22 mi	1.37 mi	7939-308	6451-168	6451-168	16373(Top 27%)	11159(Top 33%)	11159(Top 496%)

11159

Passing Analysis

Category:

Athletes Passed

1447*

Passed By

1166

Net Change

-74

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#7865
5K → 10K	191	189	+2	#7865	#7863
10K → 15K	138	123	+15	#7863	#7848
15K → 20K	125	123	+2	#7848	#7846
20K → Half	40	22	+18	#7846	#7828
Half → 25K	188	47	+141	#7828	#7687
25K → 30K	318	62	+256	#7687	#7431
30K → 35K	254*	200	+54	#7431	#7377
35K → 40K	159	200	-254	#7377	#7631
40K → Finish	34	200	-308	#7631	#7939
TOTALS	1447*	1166	-74

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

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 4 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing