Jack Chefetz

Bib: 18217 M US

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

8:07/mi

25:11

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:37/mi

51:57

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:10/mi

1:20:25

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:32/mi

1:53:08

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

12:08/mi

2:01:16

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

12:47/mi

2:32:24

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

13:16/mi

3:13:37

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:56/mi

3:56:54

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:49/mi

4:39:48

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

13:55/mi

4:58:46

↑ 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

2:01:169:16 /mi⚡ faster

2nd Half

2:57:3013:32 /mi+46.4%

Positive split — 46.4% 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	25:11	8:07	3.11 mi	25:11	8:07	-
10K	51:57	8:22	3.10 mi	26:46	8:37	+0:30
15K	1:20:25	8:38	3.11 mi	28:28	9:10	+0:33
20K	1:53:08	9:07	3.11 mi	32:43	10:32	+1:22
Half(13.10 mi)	2:01:16	9:16	0.67 mi	8:08	12:08	+1:36
25K	2:32:24	9:49	2.43 mi	31:08	12:47	+0:39
30K	3:13:37	10:24	3.11 mi	41:13	13:16	+0:29
35K	3:56:54	10:54	3.11 mi	43:17	13:56	+0:40
40K	4:39:48	11:16	3.10 mi	42:54	13:49	-0:07
Finish(26.22 mi)	4:58:46	11:25	1.37 mi	18:58	13:55	+0:06

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:07 /mi

Average Pace

11:24 /mi

Slowest Pace

13:56 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:53:08

38% of race

Time at Steady Pace

2:03:23

41% of race

Time at Slower Pace

1:02:15

21% of race

Average Pace: 11:24 /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	15410	11716	11716	23320	16996	16996
10K	3.10 mi	17498-2088	13111-1395	13111-1395	19649	14535	14535
15K	3.11 mi	19257-1759	14287-1176	14287-1176	23320	16996	16996
20K	3.11 mi	25122-5865	18107-3820	18107-3820	38095	25207	25207
Half(13.10 mi)	0.67 mi	27041-1919	19306-1199	19306-1199	46332	28584	28584
25K	2.43 mi	31802-4761	22018-2712	22018-2712	46605	28603	28603
30K	3.11 mi	35233-3431	23689-1671	23689-1671	45748	27867	27867
35K	3.11 mi	37357-2124	24551-862	24551-862	45769	27370	27370
40K	3.10 mi	38851-1494	25088-537	25088-537	47127	27788	27788
Finish(26.22 mi)	1.37 mi	39749-898	25457-369	25457-369	50857	29578	29578

29578

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