Justin Alfon

Bib: 39548 M US

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 15%

Division (M18-39)

#0 / 16712

Top 17%

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

7:43/mi

23:56

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:38/mi

47:38

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:32/mi

1:11:01

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:14/mi

1:33:28

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:23/mi

1:38:25

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:13/mi

1:55:58

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

7:19/mi

2:18:41

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:19/mi

2:41:22

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

7:25/mi

3:04:24

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:18/mi

3:14:21

↑ 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

1:38:257:31 /mi+2.5%

2nd Half

1:35:567:19 /mi✓ faster

Negative split — 2.5% faster in the second half

AI Race Performance Report

Justin'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	23:56	7:43	3.11 mi	23:56	7:43	-
10K	47:38	7:40	3.10 mi	23:42	7:38	-0:05
15K	1:11:01	7:38	3.11 mi	23:23	7:32	-0:06
20K	1:33:28	7:32	3.11 mi	22:27	7:14	-0:18
Half(13.10 mi)	1:38:25	7:31	0.67 mi	4:57	7:23	+0:09
25K	1:55:58	7:28	2.43 mi	17:33	7:13	-0:10
30K	2:18:41	7:27	3.11 mi	22:43	7:19	+0:06
35K	2:41:22	7:26	3.11 mi	22:41	7:19	0:00
40K	3:04:24	7:26	3.10 mi	23:02	7:25	+0:06
Finish(26.22 mi)	3:14:21	7:26	1.37 mi	9:57	7:18	-0:07

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:13 /mi

Average Pace

7:25 /mi

Slowest Pace

7:43 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:26:43

75% of race

Time at Steady Pace

47:38

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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	10777	8601	8601	7359	6271	6271
10K	3.10 mi	9982+795	8072+529	8072+529	9322	7629	7629
15K	3.11 mi	8973+1009	7384+688	7384+688	7359	6271	6271
20K	3.11 mi	8254+719	6892+492	6892+492	6482	5653	5653
Half(13.10 mi)	0.67 mi	8119+135	6793+99	6793+99	6158	5401	5401
25K	2.43 mi	7646+473	6466+327	6466+327	5650	4993	4993
30K	3.11 mi	7049+597	5994+472	5994+472	5055	4489	4489
35K	3.11 mi	6393+656	5478+516	5478+516	4219	3757	3757
40K	3.10 mi	5901+492	5068+410	5068+410	4183	3608	3608
Finish(26.22 mi)	1.37 mi	5722+179	4914+154	4914+154	3969	3385	3385

3385

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing