James Boswell

Bib: 18969 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 48%

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

9:12/mi

28:34

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:08/mi

56:54

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:26/mi

1:26:11

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:02/mi

1:54:14

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:16/mi

2:00:27

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:11/mi

2:22:49

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:11/mi

2:51:18

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:24/mi

3:20:28

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:09/mi

3:48:53

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:24/mi

4:01:42

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

613ft

Total descent

166ft

Range

6 to 172 ft

≈

×14story building

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The Course

Half Splits

1st Half· via Half

2:00:279:12 /mi⚖️ balanced

2nd Half

2:01:159:15 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:34	9:12	3.11 mi	28:34	9:12	-
10K	56:54	9:10	3.10 mi	28:20	9:08	-0:04
15K	1:26:11	9:15	3.11 mi	29:17	9:26	+0:18
20K	1:54:14	9:12	3.11 mi	28:03	9:02	-0:24
Half(13.10 mi)	2:00:27	9:12	0.67 mi	6:13	9:16	+0:14
25K	2:22:49	9:12	2.43 mi	22:22	9:11	-0:05
30K	2:51:18	9:12	3.11 mi	28:29	9:11	0:00
35K	3:20:28	9:14	3.11 mi	29:10	9:24	+0:13
40K	3:48:53	9:13	3.10 mi	28:25	9:09	-0:15
Finish(26.22 mi)	4:01:42	9:14	1.37 mi	12:49	9:24	+0:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:02 /mi

Average Pace

9:14 /mi

Slowest Pace

9:26 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:01:42

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:13 /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	29556	20838	20838	26885	19254	19254
10K	3.10 mi	27858+1698	19783+1055	19783+1055	26218	18760	18760
15K	3.11 mi	27468+390	19595+188	19595+188	26885	19254	19254
20K	3.11 mi	26403+1065	18927+668	18927+668	23993	17373	17373
Half(13.10 mi)	0.67 mi	26193+210	18778+149	18778+149	23593	17004	17004
25K	2.43 mi	25333+860	18189+589	18189+589	22605	16263	16263
30K	3.11 mi	23693+1640	17000+1189	17000+1189	18803	13603	13603
35K	3.11 mi	22328+1365	15954+1046	15954+1046	17470	12360	12360
40K	3.10 mi	21078+1250	14989+965	14989+965	14661	10197	10197
Finish(26.22 mi)	1.37 mi	20933+145	14846+143	14846+143	18188	12303	12303

12303

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#29556
5K → 10K	1151813*+1698	#29556 → #27858
10K → 15K	200590*+390	#27858 → #27468
15K → 20K	551120*+1065	#27468 → #26403
20K → Half	18228*+210	#26403 → #26193
Half → 25K	51911*+860	#26193 → #25333
25K → 30K	231663+1640	#25333 → #23693
30K → 35K	581423*+1365	#23693 → #22328
35K → 40K	541304*+1250	#22328 → #21078
40K → Finish	101246*+145	#21078 → #20933
TOTALS	6759298*+8623	#29556 → #20933

* 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