John Redfern

Bib: 12070 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 29%

Gender (Male)

#0 / 33594

Top 38%

Masters (Masters Men)

#0 / 16876

Top 34%

Division (M50-54)

#0 / 3474

Top 32%

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

8:39/mi

26:52

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:38/mi

53:40

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:56/mi

1:21:23

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

8:46/mi

1:48:37

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:54/mi

1:54:35

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

8:51/mi

2:16:06

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

9:01/mi

2:44:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:05/mi

3:12:16

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

9:06/mi

3:40:31

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:24/mi

3:53:19

↑ 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

1:54:358:45 /mi⚡ faster

2nd Half

1:58:449:03 /mi+3.6%

Positive split — 3.6% slower in the second half

AI Race Performance Report

John'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	26:52	8:39	3.11 mi	26:52	8:39	-
10K	53:40	8:39	3.10 mi	26:48	8:38	-0:01
15K	1:21:23	8:44	3.11 mi	27:43	8:56	+0:18
20K	1:48:37	8:45	3.11 mi	27:14	8:46	-0:10
Half(13.10 mi)	1:54:35	8:45	0.67 mi	5:58	8:54	+0:08
25K	2:16:06	8:46	2.43 mi	21:31	8:51	-0:03
30K	2:44:05	8:49	3.11 mi	27:59	9:01	+0:10
35K	3:12:16	8:51	3.11 mi	28:11	9:05	+0:04
40K	3:40:31	8:53	3.10 mi	28:15	9:06	+0:01
Finish(26.22 mi)	3:53:19	8:55	1.37 mi	12:48	9:24	+0:18

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:38 /mi

Average Pace

8:54 /mi

Slowest Pace

9:24 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:44:05

70% of race

Time at Steady Pace

1:09:14

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	21701	15896	15896	20497	15140	15140
10K	3.10 mi	20596+1105	15157+739	15157+739	19740	14589	14589
15K	3.11 mi	20512+84	15125+32	15125+32	20497	15140	15140
20K	3.11 mi	20505+7	15121+4	15121+4	20727	15218	15218
Half(13.10 mi)	0.67 mi	20415+90	15050+71	15050+71	19376	14262	14262
25K	2.43 mi	20010+405	14735+315	14735+315	18881	13864	13864
30K	3.11 mi	19334+676	14224+511	14224+511	17342	12669	12669
35K	3.11 mi	18350+984	13453+771	13453+771	14913	10756	10756
40K	3.10 mi	17545+805	12777+676	12777+676	14232	9940	9940
Finish(26.22 mi)	1.37 mi	17481+64	12670+107	12670+107	18071	12226	12226

12226

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