Billy Welsby

Bib: 81222 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Male)
#0 / 33594
Division (M18-39)
#0 / 16712
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:30/mi
32:35
49125
10K· 6.21 mi
11:12/mi
1:07:20
5081
15K· 9.32 mi
12:02/mi
1:44:43
4451
20K· 12.43 mi
11:57/mi
2:21:48
6740
Half· 13.10 mi
14:35/mi
2:31:35
27
25K· 15.53 mi
13:53/mi
3:05:24
5063
30K· 18.64 mi
14:35/mi
3:50:42
6946
35K· 21.75 mi
14:24/mi
4:35:25
8788
40K· 24.85 mi
13:48/mi
5:18:17
5875
Finish· 26.22 mi
11:53/mi
5:34:29
1418
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
2:31:3511:35 /mi⚡ faster
2nd Half
3:02:5413:57 /mi+20.7%
Positive split — 20.7% slower in the second half
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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:3510:303.11 mi32:35
10:30
-
10K
1:07:2010:513.10 mi34:45
11:12
+0:42
15K
1:44:4311:153.11 mi37:23
12:02
+0:50
20K
2:21:4811:253.11 mi37:05
11:57
-0:05
Half(13.10 mi)
2:31:3511:350.67 mi9:47
14:35
+2:38
25K
3:05:2411:572.43 mi33:49
13:53
-0:42
30K
3:50:4212:233.11 mi45:18
14:35
+0:42
35K
4:35:2512:403.11 mi44:43
14:24
-0:11
40K
5:18:1712:493.10 mi42:52
13:48
-0:36
Finish(26.22 mi)
5:34:2912:461.37 mi16:12
11:53
-1:55
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:30 /mi

Average Pace

12:46 /mi

Slowest Pace

14:35 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:38:00

47% of race

Time at Steady Pace

2:01:24

36% of race

Time at Slower Pace

55:05

16% of race

Average Pace: 12:45 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi437122818128181486453004930049
10K3.10 mi45454-174228895-71428895-714469522950429504
15K3.11 mi46698-124429375-48029375-480486453004930049
20K3.11 mi46951-25329379-429379-4474432935429354
Half(13.10 mi)0.67 mi47738-78729663-28429663-284550693191331913
25K2.43 mi48405-66729856-19329856-193508183031230312
30K3.11 mi48953-54829943-8729943-87513133029630296
35K3.11 mi48875+7829765+17829765+178479752840328403
40K3.10 mi48698+17729583+18229583+182470772776327763
Finish(26.22 mi)1.37 mi48306+39229383+20029383+200388122368123681

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
131 ft55 ft
49ft125ft
117 ft

Overall

48645

Males

30049

M18-39

30049

5K→10K

3.1 - 6.2 mi

Top 79%
55 ft24 ft
50ft81ft
45 ft

Overall

46952

Males

29504

M18-39

29504

10K→15K

6.2 - 9.3 mi

Top 81%
24 ft18 ft
44ft51ft
17 ft

Overall

48645

Males

30049

M18-39

30049

15K→20K

9.3 - 12.4 mi

Top 79%
18 ft45 ft
67ft40ft
38 ft

Overall

47443

Males

29354

M18-39

29354

20K→Half

12.4 - 13.1 mi

Top 92%
45 ft26 ft
8ft27ft
20 ft

Overall

55069

Males

31913

M18-39

31913

Half→25K

13.1 - 15.5 mi

Top 85%
25 ft12 ft
50ft63ft
20 ft

Overall

50818

Males

30312

M18-39

30312

25K→30K

15.5 - 18.6 mi

Top 86%
12 ft35 ft
69ft46ft
28 ft

Overall

51313

Males

30296

M18-39

30296

30K→35K

18.6 - 21.8 mi

Top 80%
35 ft34 ft
87ft88ft
23 ft

Overall

47975

Males

28403

M18-39

28403

35K→40K

21.8 - 24.9 mi

Top 79%
34 ft17 ft
58ft75ft
31 ft

Overall

47077

Males

27763

M18-39

27763

40K→Finish

24.9 - 26.2 mi

Top 65%
17 ft13 ft
14ft18ft
13 ft

Overall

38812

Males

23681

M18-39

23681

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#43712
5K10K
2115373-1742
#43712 #45454
10K15K
1490246-1244
#45454 #46698
15K20K
729476-253
#46698 #46951
20KHalf
81326-787
#46951 #47738
Half25K
930263-667
#47738 #48405
25K30K
813265-548
#48405 #48953
30K35K
344422+78
#48953 #48875
35K40K
220397+177
#48875 #48698
40KFinish
14406+392
#48698 #48306
TOTALS
74682874-4594
#43712 #48306

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing