Iolo Griffiths

Bib: 18527 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Male)

#0 / 33594

Masters (Masters Men)

#0 / 16876

Division (M50-54)

#0 / 3474

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

12:21/mi

38:22

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

12:46/mi

1:18:01

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

13:13/mi

1:59:03

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:15/mi

2:40:11

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

14:37/mi

2:49:59

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

16:16/mi

3:29:36

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

16:16/mi

4:20:07

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

19:11/mi

5:19:41

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

16:08/mi

6:09:46

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

15:21/mi

6:30:42

↑ 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

2:49:5912:59 /mi⚡ faster

2nd Half

3:40:4316:50 /mi+29.8%

Positive split — 29.8% slower in the second half

AI Race Performance Report

Iolo'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	38:22	12:21	3.11 mi	38:22	12:21	-
10K	1:18:01	12:34	3.10 mi	39:39	12:46	+0:25
15K	1:59:03	12:47	3.11 mi	41:02	13:13	+0:27
20K	2:40:11	12:54	3.11 mi	41:08	13:15	+0:02
Half(13.10 mi)	2:49:59	12:59	0.67 mi	9:48	14:37	+1:22
25K	3:29:36	13:30	2.43 mi	39:37	16:16	+1:39
30K	4:20:07	13:58	3.11 mi	50:31	16:16	0:00
35K	5:19:41	14:42	3.11 mi	59:34	19:11	+2:55
40K	6:09:46	14:53	3.10 mi	50:05	16:08	-3:03
Finish(26.22 mi)	6:30:42	14:55	1.37 mi	20:56	15:21	-0:47

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:21 /mi

Average Pace

14:55 /mi

Slowest Pace

19:11 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:40:11

41% of race

Time at Steady Pace

2:50:57

44% of race

Time at Slower Pace

59:34

15% of race

Average Pace: 14:54 /mi

Loading chart...

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	55372	32458	32458	53527	31725	31725
10K	3.10 mi	55031+341	32315+143	32315+143	54675	32166	32166
15K	3.11 mi	54521+510	32142+173	32142+173	53527	31725	31725
20K	3.11 mi	54024+497	31934+208	31934+208	52644	31245	31245
Half(13.10 mi)	0.67 mi	54091-67	31927+7	31927+7	55158	31959	31959
25K	2.43 mi	54682-591	32113-186	32113-186	56337	32458	32458
30K	3.11 mi	55049-367	32177-64	32177-64	55840	32159	32159
35K	3.11 mi	56139-1090	32480-303	32480-303	58677	33139	33139
40K	3.10 mi	56197-58	32458+22	32458+22	55578	31769	31769
Finish(26.22 mi)	1.37 mi	56196+1	32447+11	32447+11	55212	31591	31591

31591

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing