Zac Preston

Bib: 25475 M GB

0:00

0:00

/ mi

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Overall

#0 / 59786

Top 33%

Gender (Male)

#0 / 33594

Top 42%

Division (M18-39)

#0 / 16712

Top 46%

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

9:37/mi

29:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

9:17/mi

58:40

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:13/mi

1:27:16

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:50/mi

1:54:40

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:03/mi

2:00:44

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:57/mi

2:22:31

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:58/mi

2:50:20

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:10/mi

3:18:48

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:04/mi

3:46:58

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

8:45/mi

3:58:54

↑ 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

2:00:449:14 /mi+2.1%

2nd Half

1:58:109:01 /mi✓ faster

Negative split — 2.1% faster in the second half

AI Race Performance Report

Zac'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	29:52	9:37	3.11 mi	29:52	9:37	-
10K	58:40	9:27	3.10 mi	28:48	9:17	-0:20
15K	1:27:16	9:22	3.11 mi	28:36	9:13	-0:04
20K	1:54:40	9:14	3.11 mi	27:24	8:50	-0:23
Half(13.10 mi)	2:00:44	9:14	0.67 mi	6:04	9:03	+0:13
25K	2:22:31	9:11	2.43 mi	21:47	8:57	-0:06
30K	2:50:20	9:09	3.11 mi	27:49	8:58	+0:01
35K	3:18:48	9:09	3.11 mi	28:28	9:10	+0:12
40K	3:46:58	9:08	3.10 mi	28:10	9:04	-0:06
Finish(26.22 mi)	3:58:54	9:08	1.37 mi	11:56	8:45	-0:19

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:45 /mi

Average Pace

9:07 /mi

Slowest Pace

9:37 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:31:38

63% of race

Time at Steady Pace

1:27:16

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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	34527	23781	23781	23869	17344	17344
10K	3.10 mi	31648+2879	22122+1659	22122+1659	28512	20218	20218
15K	3.11 mi	29032+2616	20552+1570	20552+1570	23869	17344	17344
20K	3.11 mi	26890+2142	19220+1332	19220+1332	21373	15647	15647
Half(13.10 mi)	0.67 mi	26496+394	18962+258	18962+258	20952	15314	15314
25K	2.43 mi	25097+1399	18031+931	18031+931	20026	14615	14615
30K	3.11 mi	23071+2026	16627+1404	16627+1404	16911	12396	12396
35K	3.11 mi	21502+1569	15443+1184	15443+1184	15602	11190	11190
40K	3.10 mi	20263+1239	14474+969	14474+969	14030	9816	9816
Finish(26.22 mi)	1.37 mi	19802+461	14140+334	14140+334	12840	9006	9006

9006

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