Jack O'Brien

Bib: 12793 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 30%

Gender (Male)

#0 / 33594

Top 39%

Division (M18-39)

#0 / 16712

Top 42%

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

7:22/mi

22:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:31/mi

46:12

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:58/mi

1:10:54

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:55/mi

1:35:29

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:15/mi

1:41:01

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:27/mi

2:01:34

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:35/mi

2:31:20

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:04/mi

3:05:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:32/mi

3:41:30

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:57/mi

3:55:03

↑ 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

1:41:017:43 /mi⚡ faster

2nd Half

2:14:0210:13 /mi+32.7%

Positive split — 32.7% slower in the second half

AI Race Performance Report

Jack's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	22:52	7:22	3.11 mi	22:52	7:22	-
10K	46:12	7:27	3.10 mi	23:20	7:31	+0:09
15K	1:10:54	7:37	3.11 mi	24:42	7:58	+0:27
20K	1:35:29	7:41	3.11 mi	24:35	7:55	-0:03
Half(13.10 mi)	1:41:01	7:43	0.67 mi	5:32	8:15	+0:20
25K	2:01:34	7:50	2.43 mi	20:33	8:27	+0:12
30K	2:31:20	8:08	3.11 mi	29:46	9:35	+1:08
35K	3:05:41	8:33	3.11 mi	34:21	11:04	+1:29
40K	3:41:30	8:55	3.10 mi	35:49	11:32	+0:28
Finish(26.22 mi)	3:55:03	8:59	1.37 mi	13:33	9:57	-1:35

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:22 /mi

Average Pace

8:58 /mi

Slowest Pace

11:32 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

46:12

20% of race

Time at Steady Pace

1:15:22

32% of race

Time at Slower Pace

1:53:29

48% of race

Average Pace: 8:58 /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	7911	6666	6666	10454	8376	8376
10K	3.10 mi	8103-192	6794-128	6794-128	8404	7006	7006
15K	3.11 mi	8871-768	7309-515	7309-515	10454	8376	8376
20K	3.11 mi	9530-659	7758-449	7758-449	12051	9460	9460
Half(13.10 mi)	0.67 mi	9662-132	7840-82	7840-82	13263	10283	10283
25K	2.43 mi	10401-739	8308-468	8308-468	15246	11484	11484
30K	3.11 mi	12659-2258	9772-1464	9772-1464	22511	15911	15911
35K	3.11 mi	15434-2775	11515-1743	11515-1743	28736	18827	18827
40K	3.10 mi	17907-2473	13004-1489	13004-1489	31904	20001	20001
Finish(26.22 mi)	1.37 mi	18138-231	13086-82	13086-82	22487	14839	14839

14839

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