Jack Bailey

Bib: 12843 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 33%

Gender (Male)

#0 / 33594

Top 42%

Division (M18-39)

#0 / 16712

Top 46%

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

8:18/mi

25:46

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:35/mi

52:25

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:45/mi

1:19:33

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:37/mi

1:46:18

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:52/mi

1:52:15

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:55/mi

2:13:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:32/mi

2:43:33

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

10:08/mi

3:15:01

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:10/mi

3:46:34

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:15/mi

3:59:10

↑ 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

1:52:158:35 /mi⚡ faster

2nd Half

2:06:559:41 /mi+13.1%

Positive split — 13.1% slower 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	25:46	8:18	3.11 mi	25:46	8:18	-
10K	52:25	8:27	3.10 mi	26:39	8:35	+0:17
15K	1:19:33	8:33	3.11 mi	27:08	8:45	+0:10
20K	1:46:18	8:34	3.11 mi	26:45	8:37	-0:08
Half(13.10 mi)	1:52:15	8:35	0.67 mi	5:57	8:52	+0:15
25K	2:13:58	8:38	2.43 mi	21:43	8:55	+0:03
30K	2:43:33	8:47	3.11 mi	29:35	9:32	+0:37
35K	3:15:01	8:59	3.11 mi	31:28	10:08	+0:36
40K	3:46:34	9:07	3.10 mi	31:33	10:10	+0:02
Finish(26.22 mi)	3:59:10	9:08	1.37 mi	12:36	9:15	-0:55

Trend:

Faster pace

Steady pace

Slower pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:18 /mi

Average Pace

9:08 /mi

Slowest Pace

10:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:25

22% of race

Time at Steady Pace

1:21:33

34% of race

Time at Slower Pace

1:45:12

44% of race

Average Pace: 9:07 /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	17448	13104	13104	18413	13749	13749
10K	3.10 mi	18279-831	13633-529	13633-529	19155	14206	14206
15K	3.11 mi	18279	13625+8	13625+8	18413	13749	13749
20K	3.11 mi	18385-106	13687-62	13687-62	19043	14135	14135
Half(13.10 mi)	0.67 mi	18428-43	13706-19	13706-19	19158	14148	14148
25K	2.43 mi	18580-152	13779-73	13779-73	19747	14432	14432
30K	3.11 mi	19031-451	14018-239	14018-239	22055	15645	15645
35K	3.11 mi	19604-573	14232-214	14232-214	22675	15492	15492
40K	3.10 mi	20066-462	14339-107	14339-107	21968	14571	14571
Finish(26.22 mi)	1.37 mi	19935+131	14225+114	14225+114	16888	11493	11493

11493

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#17448
5K → 10K	200183-831	#17448 → #18279
10K → 15K	2002000	#18279 → #18279
15K → 20K	200200-106	#18279 → #18385
20K → Half	10865-43	#18385 → #18428
Half → 25K	200200-152	#18428 → #18580
25K → 30K	755304-451	#18580 → #19031
30K → 35K	200200-573	#19031 → #19604
35K → 40K	200200-462	#19604 → #20066
40K → Finish	114245*+131	#20066 → #19935
TOTALS	21771797*-2487	#17448 → #19935

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

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing