Tom Williams

Bib: 50531 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 14%
Gender (Male)
#0 / 33594
Top 20%
Masters (Masters Men)
#0 / 16876
Top 17%
Division (M40-44)
#0 / 4826
Top 23%
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
7:08/mi
22:08
49125
10K· 6.21 mi
7:21/mi
44:58
5081
15K· 9.32 mi
7:31/mi
1:08:19
4451
20K· 12.43 mi
7:23/mi
1:31:15
6740
Half· 13.10 mi
7:38/mi
1:36:22
27
25K· 15.53 mi
7:39/mi
1:54:58
5063
30K· 18.64 mi
8:15/mi
2:20:34
6946
35K· 21.75 mi
8:25/mi
2:46:41
8788
40K· 24.85 mi
8:37/mi
3:13:25
5875
Finish· 26.22 mi
8:20/mi
3:24:46
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
1:36:227:22 /mi⚡ faster
2nd Half
1:48:248:16 /mi+12.5%
Positive split — 12.5% slower in the second half
AI Race Performance Report

Tom'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
22:087:083.11 mi22:08
7:08
-
10K
44:587:153.10 mi22:50
7:21
+0:13
15K
1:08:197:203.11 mi23:21
7:31
+0:10
20K
1:31:157:213.11 mi22:56
7:23
-0:08
Half(13.10 mi)
1:36:227:220.67 mi5:07
7:38
+0:15
25K
1:54:587:252.43 mi18:36
7:39
+0:01
30K
2:20:347:333.11 mi25:36
8:15
+0:36
35K
2:46:417:403.11 mi26:07
8:25
+0:10
40K
3:13:257:473.10 mi26:44
8:37
+0:12
Finish(26.22 mi)
3:24:467:491.37 mi11:21
8:20
-0:17
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Tom's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:08 /mi

Average Pace

7:49 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:07:54

33% of race

Time at Steady Pace

47:04

23% of race

Time at Slower Pace

1:29:48

44% of race

Average Pace: 7:49 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi647656535653730762446244
10K3.10 mi6868-3925940-2875940-287733462776277
15K3.11 mi6974-1066012-726012-72730762446244
20K3.11 mi7059-856058-466058-46751863716371
Half(13.10 mi)0.67 mi7077-186068-106068-10779965686568
25K2.43 mi7237-1606165-976165-97833968766876
30K3.11 mi7747-5106507-3426507-3421106885928592
35K3.11 mi7974-2276593-866593-861019077967796
40K3.10 mi8171-1976644-516644-511070577907790
Finish(26.22 mi)1.37 mi8175-46615+296615+29972771197119

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
131 ft55 ft
49ft125ft
117 ft

Overall

7307

Males

6244

M40-44

6244

5K→10K

3.1 - 6.2 mi

Top 12%
55 ft24 ft
50ft81ft
45 ft

Overall

7334

Males

6277

M40-44

6277

10K→15K

6.2 - 9.3 mi

Top 12%
24 ft18 ft
44ft51ft
17 ft

Overall

7307

Males

6244

M40-44

6244

15K→20K

9.3 - 12.4 mi

Top 13%
18 ft45 ft
67ft40ft
38 ft

Overall

7518

Males

6371

M40-44

6371

20K→Half

12.4 - 13.1 mi

Top 13%
45 ft26 ft
8ft27ft
20 ft

Overall

7799

Males

6568

M40-44

6568

Half→25K

13.1 - 15.5 mi

Top 14%
25 ft12 ft
50ft63ft
20 ft

Overall

8339

Males

6876

M40-44

6876

25K→30K

15.5 - 18.6 mi

Top 19%
12 ft35 ft
69ft46ft
28 ft

Overall

11068

Males

8592

M40-44

8592

30K→35K

18.6 - 21.8 mi

Top 17%
35 ft34 ft
87ft88ft
23 ft

Overall

10190

Males

7796

M40-44

7796

35K→40K

21.8 - 24.9 mi

Top 18%
34 ft17 ft
58ft75ft
31 ft

Overall

10705

Males

7790

M40-44

7790

40K→Finish

24.9 - 26.2 mi

Top 16%
17 ft13 ft
14ft18ft
13 ft

Overall

9727

Males

7119

M40-44

7119

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing