Jack Grieve

Bib: 32737 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

11:18/mi

35:04

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

10:48/mi

1:08:35

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

11:23/mi

1:43:55

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

11:09/mi

2:18:33

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

11:36/mi

2:26:20

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

11:52/mi

2:55:12

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

15:46/mi

3:44:10

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

11:55/mi

4:21:09

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

11:24/mi

4:56:31

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

10:35/mi

5:10:57

↑ 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

2:26:2011:11 /mi⚡ faster

2nd Half

2:44:3712:33 /mi+12.5%

Positive split — 12.5% 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	35:04	11:18	3.11 mi	35:04	11:18	-
10K	1:08:35	11:03	3.10 mi	33:31	10:48	-0:30
15K	1:43:55	11:09	3.11 mi	35:20	11:23	+0:35
20K	2:18:33	11:09	3.11 mi	34:38	11:09	-0:14
Half(13.10 mi)	2:26:20	11:11	0.67 mi	7:47	11:36	+0:27
25K	2:55:12	11:17	2.43 mi	28:52	11:52	+0:16
30K	3:44:10	12:02	3.11 mi	48:58	15:46	+3:54
35K	4:21:09	12:01	3.11 mi	36:59	11:55	-3:51
40K	4:56:31	11:56	3.10 mi	35:22	11:24	-0:31
Finish(26.22 mi)	5:10:57	11:53	1.37 mi	14:26	10:35	-0:49

Trend:

Faster pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:35 /mi

Average Pace

11:52 /mi

Slowest Pace

15:46 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

14:26

5% of race

Time at Steady Pace

4:07:33

80% of race

Time at Slower Pace

48:58

16% of race

Average Pace: 11:52 /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	50411	30832	30832	44454	28402	28402
10K	3.10 mi	47114+3297	29556+1276	29556+1276	43889	28222	28222
15K	3.11 mi	46039+1075	29109+447	29109+447	44454	28402	28402
20K	3.11 mi	45064+975	28643+466	28643+466	42800	27378	27378
Half(13.10 mi)	0.67 mi	44915+149	28564+79	28564+79	43283	27313	27313
25K	2.43 mi	44218+697	28135+429	28135+429	42223	26710	26710
30K	3.11 mi	47171-2953	29213-1078	29213-1078	54789	31730	31730
35K	3.11 mi	45271+1900	28232+981	28232+981	34201	21627	21627
40K	3.10 mi	43647+1624	27356+876	27356+876	30817	19426	19426
Finish(26.22 mi)	1.37 mi	42906+741	26961+395	26961+395	27922	17872	17872

17872

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