Jack Jeffreys

Bib: 67379 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

10:03/mi

31:13

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:15/mi

1:03:02

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

10:33/mi

1:35:47

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:37/mi

2:08:43

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

10:50/mi

2:15:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:15/mi

2:43:21

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

12:34/mi

3:22:22

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:09/mi

4:03:11

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

13:12/mi

4:44:11

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

11:00/mi

4:59:11

↑ 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

2:15:5910:23 /mi⚡ faster

2nd Half

2:43:1212:27 /mi+20.0%

Positive split — 20.0% 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	31:13	10:03	3.11 mi	31:13	10:03	-
10K	1:03:02	10:09	3.10 mi	31:49	10:15	+0:12
15K	1:35:47	10:17	3.11 mi	32:45	10:33	+0:18
20K	2:08:43	10:22	3.11 mi	32:56	10:37	+0:04
Half(13.10 mi)	2:15:59	10:23	0.67 mi	7:16	10:50	+0:13
25K	2:43:21	10:31	2.43 mi	27:22	11:15	+0:25
30K	3:22:22	10:52	3.11 mi	39:01	12:34	+1:19
35K	4:03:11	11:11	3.11 mi	40:49	13:09	+0:35
40K	4:44:11	11:27	3.10 mi	41:00	13:12	+0:03
Finish(26.22 mi)	4:59:11	11:26	1.37 mi	15:00	11:00	-2:12

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:03 /mi

Average Pace

11:25 /mi

Slowest Pace

13:12 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:03:02

21% of race

Time at Steady Pace

1:55:19

39% of race

Time at Slower Pace

2:00:50

40% of race

Average Pace: 11:25 /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	39168	26145	26145	37763	25321	25321
10K	3.10 mi	38851+317	25982+163	25982+163	38798	25905	25905
15K	3.11 mi	38387+464	25722+260	25722+260	37763	25321	25321
20K	3.11 mi	38360+27	25621+101	25621+101	38661	25488	25488
Half(13.10 mi)	0.67 mi	38259+101	25549+72	25549+72	37615	24799	24799
25K	2.43 mi	38189+70	25373+176	25373+176	38514	24973	24973
30K	3.11 mi	39064-875	25613-240	25613-240	42130	26221	26221
35K	3.11 mi	39569-505	25612+1	25612+1	41553	25351	25351
40K	3.10 mi	40194-625	25728-116	25728-116	43581	26064	26064
Finish(26.22 mi)	1.37 mi	39880+314	25519+209	25519+209	31555	19803	19803

19803

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