Tom Harris

Bib: 15117 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 23%
Gender (Male)
#0 / 33594
Top 30%
Division (M18-39)
#0 / 16712
Top 33%
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
7:24/mi
22:57
49125
10K· 6.21 mi
7:48/mi
47:08
5081
15K· 9.32 mi
8:13/mi
1:12:38
4451
20K· 12.43 mi
8:05/mi
1:37:44
6740
Half· 13.10 mi
8:21/mi
1:43:20
27
25K· 15.53 mi
8:12/mi
2:03:17
5063
30K· 18.64 mi
8:43/mi
2:30:19
6946
35K· 21.75 mi
9:30/mi
2:59:48
8788
40K· 24.85 mi
9:55/mi
3:30:36
5875
Finish· 26.22 mi
8:38/mi
3:42:22
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
1:43:207:54 /mi⚡ faster
2nd Half
1:59:029:05 /mi+15.2%
Positive split — 15.2% 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
22:577:243.11 mi22:57
7:24
-
10K
47:087:363.10 mi24:11
7:48
+0:24
15K
1:12:387:483.11 mi25:30
8:13
+0:25
20K
1:37:447:523.11 mi25:06
8:05
-0:08
Half(13.10 mi)
1:43:207:540.67 mi5:36
8:21
+0:16
25K
2:03:177:572.43 mi19:57
8:12
-0:09
30K
2:30:198:043.11 mi27:02
8:43
+0:31
35K
2:59:488:173.11 mi29:29
9:30
+0:47
40K
3:30:368:293.10 mi30:48
9:55
+0:25
Finish(26.22 mi)
3:42:228:301.37 mi11:46
8:38
-1:17
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

7:24 /mi

Average Pace

8:29 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

47:08

21% of race

Time at Steady Pace

1:27:55

40% of race

Time at Slower Pace

1:27:19

39% of race

Average Pace: 8:29 /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 mi809767936793133371034410344
10K3.10 mi9305-12087601-8087601-8081063984928492
15K3.11 mi10406-11018341-7408341-740133371034410344
20K3.11 mi11077-6718767-4268767-426138831069110691
Half(13.10 mi)0.67 mi11196-1198842-758842-75141311082210822
25K2.43 mi11478-2829000-1589000-158131181009410094
30K3.11 mi12120-6429407-4079407-407147901102211022
35K3.11 mi13007-8879920-5139920-513182181281812818
40K3.10 mi13824-81710318-39810318-398202711360513605
Finish(26.22 mi)1.37 mi13585+23910105+21310105+2131189584468446

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
131 ft55 ft
49ft125ft
117 ft

Overall

13337

Males

10344

M18-39

10344

5K→10K

3.1 - 6.2 mi

Top 18%
55 ft24 ft
50ft81ft
45 ft

Overall

10639

Males

8492

M18-39

8492

10K→15K

6.2 - 9.3 mi

Top 22%
24 ft18 ft
44ft51ft
17 ft

Overall

13337

Males

10344

M18-39

10344

15K→20K

9.3 - 12.4 mi

Top 23%
18 ft45 ft
67ft40ft
38 ft

Overall

13883

Males

10691

M18-39

10691

20K→Half

12.4 - 13.1 mi

Top 24%
45 ft26 ft
8ft27ft
20 ft

Overall

14131

Males

10822

M18-39

10822

Half→25K

13.1 - 15.5 mi

Top 22%
25 ft12 ft
50ft63ft
20 ft

Overall

13118

Males

10094

M18-39

10094

25K→30K

15.5 - 18.6 mi

Top 25%
12 ft35 ft
69ft46ft
28 ft

Overall

14790

Males

11022

M18-39

11022

30K→35K

18.6 - 21.8 mi

Top 30%
35 ft34 ft
87ft88ft
23 ft

Overall

18218

Males

12818

M18-39

12818

35K→40K

21.8 - 24.9 mi

Top 34%
34 ft17 ft
58ft75ft
31 ft

Overall

20271

Males

13605

M18-39

13605

40K→Finish

24.9 - 26.2 mi

Top 20%
17 ft13 ft
14ft18ft
13 ft

Overall

11895

Males

8446

M18-39

8446

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing