Fred Irby

Bib: 48168 M US

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 35%

Gender (Male)

#0 / 33594

Top 44%

Masters (Masters Men)

#0 / 16876

Top 40%

Division (M45-49)

#0 / 4167

Top 45%

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

7:16/mi

22:32

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

7:54/mi

47:04

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

8:52/mi

1:14:35

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

10:53/mi

1:48:22

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

8:54/mi

1:54:20

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:09/mi

2:19:02

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:22/mi

2:54:20

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

9:56/mi

3:25:10

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:20/mi

3:51:02

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:24/mi

4:01:07

↑ 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

1:54:208:44 /mi⚡ faster

2nd Half

2:06:479:40 /mi+10.9%

Positive split — 10.9% slower in the second half

AI Race Performance Report

Fred'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	22:32	7:16	3.11 mi	22:32	7:16	-
10K	47:04	7:35	3.10 mi	24:32	7:54	+0:38
15K	1:14:35	8:01	3.11 mi	27:31	8:52	+0:58
20K	1:48:22	8:44	3.11 mi	33:47	10:53	+2:01
Half(13.10 mi)	1:54:20	8:44	0.67 mi	5:58	8:54	-1:59
25K	2:19:02	8:58	2.43 mi	24:42	10:09	+1:15
30K	2:54:20	9:22	3.11 mi	35:18	11:22	+1:13
35K	3:25:10	9:27	3.11 mi	30:50	9:56	-1:26
40K	3:51:02	9:18	3.10 mi	25:52	8:20	-1:36
Finish(26.22 mi)	4:01:07	9:13	1.37 mi	10:05	7:24	-0:56

Trend:

Faster pace

Steady pace

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:16 /mi

Average Pace

9:12 /mi

Slowest Pace

11:22 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

57:09

24% of race

Time at Steady Pace

59:21

25% of race

Time at Slower Pace

2:04:37

52% of race

Average Pace: 9:12 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	7225	6200	6200	19785	14661	14661
10K	3.10 mi	9227-2002	7546-1346	7546-1346	11754	9217	9217
15K	3.11 mi	12537-3310	9744-2198	9744-2198	19785	14661	14661
20K	3.11 mi	20277-7740	14971-5227	14971-5227	40773	26487	26487
Half(13.10 mi)	0.67 mi	20184+93	14893+78	14893+78	19445	14331	14331
25K	2.43 mi	22164-1980	16129-1236	16129-1236	30399	20848	20848
30K	3.11 mi	25564-3400	18210-2081	18210-2081	35069	22795	22795
35K	3.11 mi	24436+1128	17290+920	17290+920	21312	14702	14702
40K	3.10 mi	21856+2580	15468+1822	15468+1822	8939	6733	6733
Finish(26.22 mi)	1.37 mi	20759+1097	14741+727	14741+727	4373	3689	3689

3689

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