Sam Kyffin

Bib: 42808 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 15%
Gender (Male)
#0 / 33594
Top 21%
Division (M18-39)
#0 / 16712
Top 24%
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
7:39/mi
23:43
49125
10K· 6.21 mi
8:11/mi
49:06
5081
15K· 9.32 mi
8:06/mi
1:14:15
4451
20K· 12.43 mi
7:58/mi
1:38:57
6740
Half· 13.10 mi
7:50/mi
1:44:12
27
25K· 15.53 mi
7:55/mi
2:03:28
5063
30K· 18.64 mi
7:55/mi
2:28:03
6946
35K· 21.75 mi
8:18/mi
2:53:48
8788
40K· 24.85 mi
7:38/mi
3:17:28
5875
Finish· 26.22 mi
7:15/mi
3:27:21
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
1:44:127:58 /mi+1.0%
2nd Half
1:43:097:52 /mi✓ faster
Negative split — 1.0% faster in the second half
AI Race Performance Report

Sam'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
23:437:393.11 mi23:43
7:39
-
10K
49:067:553.10 mi25:23
8:11
+0:32
15K
1:14:157:583.11 mi25:09
8:06
-0:05
20K
1:38:577:583.11 mi24:42
7:58
-0:08
Half(13.10 mi)
1:44:127:580.67 mi5:15
7:50
-0:08
25K
2:03:287:572.43 mi19:16
7:55
+0:05
30K
2:28:037:573.11 mi24:35
7:55
0:00
35K
2:53:488:003.11 mi25:45
8:18
+0:23
40K
3:17:287:573.10 mi23:40
7:38
-0:40
Finish(26.22 mi)
3:27:217:551.37 mi9:53
7:15
-0:23
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sam's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:15 /mi

Average Pace

7:55 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:11:04

63% of race

Time at Steady Pace

1:16:17

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10116815581551192293239323
10K3.10 mi12266-21509548-13939548-1393150441144111441
15K3.11 mi12085+1819442+1069442+1061192293239323
20K3.11 mi12137-529465-239465-231245597259725
Half(13.10 mi)0.67 mi11929+2089327+1389327+138921175267526
25K2.43 mi11587+3429071+2569071+2561040082278227
30K3.11 mi10768+8198483+5888483+588846068546854
35K3.11 mi10463+3058209+2748209+274944673057305
40K3.10 mi9355+11087391+8187391+818507242244224
Finish(26.22 mi)1.37 mi8891+4647066+3257066+325375032293229

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
131 ft55 ft
49ft125ft
117 ft

Overall

11922

Males

9323

M18-39

9323

5K→10K

3.1 - 6.2 mi

Top 25%
55 ft24 ft
50ft81ft
45 ft

Overall

15044

Males

11441

M18-39

11441

10K→15K

6.2 - 9.3 mi

Top 20%
24 ft18 ft
44ft51ft
17 ft

Overall

11922

Males

9323

M18-39

9323

15K→20K

9.3 - 12.4 mi

Top 21%
18 ft45 ft
67ft40ft
38 ft

Overall

12455

Males

9725

M18-39

9725

20K→Half

12.4 - 13.1 mi

Top 15%
45 ft26 ft
8ft27ft
20 ft

Overall

9211

Males

7526

M18-39

7526

Half→25K

13.1 - 15.5 mi

Top 17%
25 ft12 ft
50ft63ft
20 ft

Overall

10400

Males

8227

M18-39

8227

25K→30K

15.5 - 18.6 mi

Top 14%
12 ft35 ft
69ft46ft
28 ft

Overall

8460

Males

6854

M18-39

6854

30K→35K

18.6 - 21.8 mi

Top 16%
35 ft34 ft
87ft88ft
23 ft

Overall

9446

Males

7305

M18-39

7305

35K→40K

21.8 - 24.9 mi

Top 8%
34 ft17 ft
58ft75ft
31 ft

Overall

5072

Males

4224

M18-39

4224

40K→Finish

24.9 - 26.2 mi

Top 6%
17 ft13 ft
14ft18ft
13 ft

Overall

3750

Males

3229

M18-39

3229

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing