Jack Dorney

Bib: 21427 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Division (M18-39)

#0 / 16712

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

10:45/mi

33:22

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:42/mi

1:03:30

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:52/mi

1:34:07

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:49/mi

2:10:49

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:54/mi

2:17:27

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

9:43/mi

2:41:07

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

10:01/mi

3:12:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:20/mi

3:44:16

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:48/mi

4:17:48

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:30/mi

4:32:07

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:17:2710:30 /mi+2.0%

2nd Half

2:14:4010:16 /mi✓ faster

Negative split — 2.0% faster in the second half

AI Race Performance Report

Jack's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	33:22	10:45	3.11 mi	33:22	10:45	-
10K	1:03:30	10:14	3.10 mi	30:08	9:42	-1:03
15K	1:34:07	10:06	3.11 mi	30:37	9:52	+0:10
20K	2:10:49	10:32	3.11 mi	36:42	11:49	+1:57
Half(13.10 mi)	2:17:27	10:30	0.67 mi	6:38	9:54	-1:55
25K	2:41:07	10:23	2.43 mi	23:40	9:43	-0:11
30K	3:12:12	10:19	3.11 mi	31:05	10:01	+0:18
35K	3:44:16	10:19	3.11 mi	32:04	10:20	+0:19
40K	4:17:48	10:23	3.10 mi	33:32	10:48	+0:28
Finish(26.22 mi)	4:32:07	10:24	1.37 mi	14:19	10:30	-0:18

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:42 /mi

Average Pace

10:23 /mi

Slowest Pace

11:49 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:02:08

45% of race

Time at Steady Pace

46:23

17% of race

Time at Slower Pace

1:43:36

38% of race

Average Pace: 10:23 /mi

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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	46074	29156	29156	31398	21974	21974
10K	3.10 mi	39646+6428	26369+2787	26369+2787	33518	23163	23163
15K	3.11 mi	36621+3025	24848+1521	24848+1521	31398	21974	21974
20K	3.11 mi	39848-3227	26329-1481	26329-1481	46828	29094	29094
Half(13.10 mi)	0.67 mi	39230+618	25999+330	25999+330	29495	20615	20615
25K	2.43 mi	37006+2224	24762+1237	24762+1237	27196	19089	19089
30K	3.11 mi	34474+2532	23286+1476	23286+1476	25576	17738	17738
35K	3.11 mi	32318+2156	21867+1419	21867+1419	23965	16237	16237
40K	3.10 mi	31356+962	21101+766	21101+766	26466	17057	17057
Finish(26.22 mi)	1.37 mi	31062+294	20859+242	20859+242	27162	17467	17467

17467

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing