William Allcock

Bib: 49818 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 8%
Gender (Male)
#0 / 33594
Top 13%
Division (M18-39)
#0 / 16712
Top 15%
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
7:11/mi
22:18
49125
10K· 6.21 mi
7:11/mi
44:35
5081
15K· 9.32 mi
7:18/mi
1:07:13
4451
20K· 12.43 mi
6:51/mi
1:28:27
6740
Half· 13.10 mi
7:14/mi
1:33:18
27
25K· 15.53 mi
7:04/mi
1:50:30
5063
30K· 18.64 mi
7:05/mi
2:12:28
6946
35K· 21.75 mi
7:22/mi
2:35:19
8788
40K· 24.85 mi
7:33/mi
2:58:46
5875
Finish· 26.22 mi
7:43/mi
3:09:17
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
1:33:187:08 /mi⚡ faster
2nd Half
1:35:597:19 /mi+2.9%
Positive split — 2.9% slower in the second half
AI Race Performance Report

William's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:187:113.11 mi22:18
7:11
-
10K
44:357:113.10 mi22:17
7:11
0:00
15K
1:07:137:133.11 mi22:38
7:18
+0:07
20K
1:28:277:083.11 mi21:14
6:51
-0:27
Half(13.10 mi)
1:33:187:080.67 mi4:51
7:14
+0:23
25K
1:50:307:072.43 mi17:12
7:04
-0:10
30K
2:12:287:073.11 mi21:58
7:05
+0:01
35K
2:35:197:093.11 mi22:51
7:22
+0:17
40K
2:58:467:123.10 mi23:27
7:33
+0:11
Finish(26.22 mi)
3:09:177:141.37 mi10:31
7:43
+0:10
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of William's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:51 /mi

Average Pace

7:13 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:35:19

82% of race

Time at Steady Pace

33:58

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi675658635863597652935293
10K3.10 mi6512+2445677+1865677+186636755735573
15K3.11 mi6332+1805544+1335544+133597652935293
20K3.11 mi5865+4675202+3425202+342455641684168
Half(13.10 mi)0.67 mi5820+455171+315171+31540748364836
25K2.43 mi5637+1835024+1475024+147501545064506
30K3.11 mi5256+3814702+3224702+322408437243724
35K3.11 mi4962+2944432+2704432+270441639073907
40K3.10 mi4799+1634262+1704262+170476040214021
Finish(26.22 mi)1.37 mi4767+324215+474215+47587846794679

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
131 ft55 ft
49ft125ft
117 ft

Overall

5976

Males

5293

M18-39

5293

5K→10K

3.1 - 6.2 mi

Top 11%
55 ft24 ft
50ft81ft
45 ft

Overall

6367

Males

5573

M18-39

5573

10K→15K

6.2 - 9.3 mi

Top 10%
24 ft18 ft
44ft51ft
17 ft

Overall

5976

Males

5293

M18-39

5293

15K→20K

9.3 - 12.4 mi

Top 8%
18 ft45 ft
67ft40ft
38 ft

Overall

4556

Males

4168

M18-39

4168

20K→Half

12.4 - 13.1 mi

Top 9%
45 ft26 ft
8ft27ft
20 ft

Overall

5407

Males

4836

M18-39

4836

Half→25K

13.1 - 15.5 mi

Top 8%
25 ft12 ft
50ft63ft
20 ft

Overall

5015

Males

4506

M18-39

4506

25K→30K

15.5 - 18.6 mi

Top 7%
12 ft35 ft
69ft46ft
28 ft

Overall

4084

Males

3724

M18-39

3724

30K→35K

18.6 - 21.8 mi

Top 7%
35 ft34 ft
87ft88ft
23 ft

Overall

4416

Males

3907

M18-39

3907

35K→40K

21.8 - 24.9 mi

Top 8%
34 ft17 ft
58ft75ft
31 ft

Overall

4760

Males

4021

M18-39

4021

40K→Finish

24.9 - 26.2 mi

Top 10%
17 ft13 ft
14ft18ft
13 ft

Overall

5878

Males

4679

M18-39

4679

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing