Jonny Grubin

Bib: 82523 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 27%

Gender (Male)

#0 / 33594

Top 35%

Division (M18-39)

#0 / 16712

Top 38%

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

8:14/mi

25:33

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:52/mi

49:59

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:59/mi

1:14:46

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:57/mi

1:39:26

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:20/mi

1:45:01

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:54/mi

2:06:40

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:15/mi

2:35:23

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:52/mi

3:06:00

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:01/mi

3:37:06

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:43/mi

3:48:59

↑ 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

1:45:018:02 /mi⚡ faster

2nd Half

2:03:589:27 /mi+18.0%

Positive split — 18.0% slower in the second half

AI Race Performance Report

Jonny'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	25:33	8:14	3.11 mi	25:33	8:14	-
10K	49:59	8:03	3.10 mi	24:26	7:52	-0:22
15K	1:14:46	8:02	3.11 mi	24:47	7:59	+0:07
20K	1:39:26	8:01	3.11 mi	24:40	7:57	-0:02
Half(13.10 mi)	1:45:01	8:02	0.67 mi	5:35	8:20	+0:23
25K	2:06:40	8:10	2.43 mi	21:39	8:54	+0:34
30K	2:35:23	8:21	3.11 mi	28:43	9:15	+0:21
35K	3:06:00	8:34	3.11 mi	30:37	9:52	+0:37
40K	3:37:06	8:45	3.10 mi	31:06	10:01	+0:09
Finish(26.22 mi)	3:48:59	8:45	1.37 mi	11:53	8:43	-1:18

Trend:

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Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:52 /mi

Average Pace

8:44 /mi

Slowest Pace

10:01 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:45:01

46% of race

Time at Steady Pace

33:32

15% of race

Time at Slower Pace

1:30:26

39% of race

Average Pace: 8:44 /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	16665	12555	12555	10720	8550	8550
10K	3.10 mi	14062+2603	10776+1779	10776+1779	11381	8970	8970
15K	3.11 mi	12763+1299	9903+873	9903+873	10720	8550	8550
20K	3.11 mi	12638+125	9826+77	9826+77	12368	9685	9685
Half(13.10 mi)	0.67 mi	12720-82	9884-58	9884-58	13951	10712	10712
25K	2.43 mi	13927-1207	10693-809	10693-809	19396	14199	14199
30K	3.11 mi	14843-916	11228-535	11228-535	19572	14081	14081
35K	3.11 mi	15583-740	11609-381	11609-381	20801	14393	14393
40K	3.10 mi	16251-668	11904-295	11904-295	20967	13996	13996
Finish(26.22 mi)	1.37 mi	15927+324	11638+266	11638+266	12525	8815	8815

8815

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