Colin Butfield

Bib: 2856 M GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Top 10%

Gender (Male)

#0 / 33594

Top 16%

Masters (Masters Men)

#0 / 16876

Top 13%

Division (M50-54)

#0 / 3474

Top 11%

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

6:46/mi

21:01

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

6:57/mi

42:36

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

7:13/mi

1:04:59

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

7:04/mi

1:26:54

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

7:22/mi

1:31:50

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

7:25/mi

1:49:53

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

8:07/mi

2:15:06

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

7:44/mi

2:39:07

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

8:37/mi

3:05:52

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

7:50/mi

3:16:32

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

613ft

Total descent

166ft

Range

6 to 172 ft

≈

×14story building

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The Course

Half Splits

1st Half· via Half

1:31:507:01 /mi⚡ faster

2nd Half

1:44:427:59 /mi+14.0%

Positive split — 14.0% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	21:01	6:46	3.11 mi	21:01	6:46	-
10K	42:36	6:52	3.10 mi	21:35	6:57	+0:11
15K	1:04:59	6:59	3.11 mi	22:23	7:13	+0:16
20K	1:26:54	7:00	3.11 mi	21:55	7:04	-0:09
Half(13.10 mi)	1:31:50	7:01	0.67 mi	4:56	7:22	+0:18
25K	1:49:53	7:05	2.43 mi	18:03	7:25	+0:03
30K	2:15:06	7:15	3.11 mi	25:13	8:07	+0:42
35K	2:39:07	7:19	3.11 mi	24:01	7:44	-0:23
40K	3:05:52	7:29	3.10 mi	26:45	8:37	+0:53
Finish(26.22 mi)	3:16:32	7:31	1.37 mi	10:40	7:50	-0:47

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:46 /mi

Average Pace

7:30 /mi

Slowest Pace

8:37 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:04:31

33% of race

Time at Steady Pace

45:22

23% of race

Time at Slower Pace

1:26:39

44% of race

Average Pace: 7:30 /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	4325	3925	3925	5676	5066	5066
10K	3.10 mi	4785-460	4332-407	4332-407	5248	4735	4735
15K	3.11 mi	5161-376	4655-323	4655-323	5676	5066	5066
20K	3.11 mi	5269-108	4740-85	4740-85	5617	5025	5025
Half(13.10 mi)	0.67 mi	5292-23	4756-16	4756-16	6036	5319	5319
25K	2.43 mi	5471-179	4892-136	4892-136	6798	5812	5812
30K	3.11 mi	5923-452	5199-307	5199-307	10097	7955	7955
35K	3.11 mi	5832+91	5102+97	5102+97	6123	5090	5090
40K	3.10 mi	6247-415	5315-213	5315-213	10738	7809	7809
Finish(26.22 mi)	1.37 mi	6195+52	5257+58	5257+58	6478	5077	5077

5077

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#4325
5K → 10K	20032-460	#4325 → #4785
10K → 15K	20040-376	#4785 → #5161
15K → 20K	17466-108	#5161 → #5269
20K → Half	4320-23	#5269 → #5292
Half → 25K	20047-179	#5292 → #5471
25K → 30K	50755-452	#5471 → #5923
30K → 35K	110201*+91	#5923 → #5832
35K → 40K	200101-415	#5832 → #6247
40K → Finish	63115+52	#6247 → #6195
TOTALS	1697677*-1870	#4325 → #6195

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 4 months ago

Public Race Data

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Race managed by

London Marathon Events

Race timed by

Mika Timing