Stephen Affleck

Bib: 47637 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 29%
Gender (Male)
#0 / 33594
Top 38%
Masters (Masters Men)
#0 / 16876
Top 35%
Division (M45-49)
#0 / 4167
Top 40%
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
8:00/mi
24:51
49125
10K· 6.21 mi
8:02/mi
49:46
5081
15K· 9.32 mi
8:13/mi
1:15:15
4451
20K· 12.43 mi
7:57/mi
1:39:54
6740
Half· 13.10 mi
8:06/mi
1:45:20
27
25K· 15.53 mi
8:07/mi
2:05:06
5063
30K· 18.64 mi
9:28/mi
2:34:28
6946
35K· 21.75 mi
10:55/mi
3:08:21
8788
40K· 24.85 mi
10:22/mi
3:40:33
5875
Finish· 26.22 mi
9:34/mi
3:53:35
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
1:45:208:03 /mi⚡ faster
2nd Half
2:08:159:47 /mi+21.8%
Positive split — 21.8% slower in the second half
AI Race Performance Report

Stephen'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
24:518:003.11 mi24:51
8:00
-
10K
49:468:013.10 mi24:55
8:02
+0:02
15K
1:15:158:053.11 mi25:29
8:13
+0:11
20K
1:39:548:033.11 mi24:39
7:57
-0:16
Half(13.10 mi)
1:45:208:030.67 mi5:26
8:06
+0:09
25K
2:05:068:042.43 mi19:46
8:07
+0:01
30K
2:34:288:183.11 mi29:22
9:28
+1:21
35K
3:08:218:403.11 mi33:53
10:55
+1:27
40K
3:40:338:533.10 mi32:12
10:22
-0:33
Finish(26.22 mi)
3:53:358:551.37 mi13:02
9:34
-0:48
Trend:
Faster pace
Steady pace
Slower pace
More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:57 /mi

Average Pace

8:55 /mi

Slowest Pace

10:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:05:06

54% of race

Time at Slower Pace

1:48:29

46% of race

Average Pace: 8:55 /mi

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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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi141191084510845132851030610306
10K3.10 mi13596+52310465+38010465+380131741015710157
15K3.11 mi13457+13910387+7810387+78132851030610306
20K3.11 mi13113+34410151+23610151+2361231096409640
Half(13.10 mi)0.67 mi13005+10810083+6810083+681178192889288
25K2.43 mi12826+1799934+1499934+1491244896419641
30K3.11 mi14355-152910928-99410928-994214751529015290
35K3.11 mi16655-230012318-139012318-1390276821824918249
40K3.10 mi17559-90412786-46812786-468234101537615376
Finish(26.22 mi)1.37 mi17576-1712728+5812728+58194381305613056

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
131 ft55 ft
49ft125ft
117 ft

Overall

13285

Males

10306

M45-49

10306

5K→10K

3.1 - 6.2 mi

Top 22%
55 ft24 ft
50ft81ft
45 ft

Overall

13174

Males

10157

M45-49

10157

10K→15K

6.2 - 9.3 mi

Top 22%
24 ft18 ft
44ft51ft
17 ft

Overall

13285

Males

10306

M45-49

10306

15K→20K

9.3 - 12.4 mi

Top 21%
18 ft45 ft
67ft40ft
38 ft

Overall

12310

Males

9640

M45-49

9640

20K→Half

12.4 - 13.1 mi

Top 20%
45 ft26 ft
8ft27ft
20 ft

Overall

11781

Males

9288

M45-49

9288

Half→25K

13.1 - 15.5 mi

Top 21%
25 ft12 ft
50ft63ft
20 ft

Overall

12448

Males

9641

M45-49

9641

25K→30K

15.5 - 18.6 mi

Top 36%
12 ft35 ft
69ft46ft
28 ft

Overall

21475

Males

15290

M45-49

15290

30K→35K

18.6 - 21.8 mi

Top 46%
35 ft34 ft
87ft88ft
23 ft

Overall

27682

Males

18249

M45-49

18249

35K→40K

21.8 - 24.9 mi

Top 39%
34 ft17 ft
58ft75ft
31 ft

Overall

23410

Males

15376

M45-49

15376

40K→Finish

24.9 - 26.2 mi

Top 33%
17 ft13 ft
14ft18ft
13 ft

Overall

19438

Males

13056

M45-49

13056

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#14119
5K10K
217740+523
#14119 #13596
10K15K
232371+139
#13596 #13457
15K20K
71415+344
#13457 #13113
20KHalf
14122+108
#13113 #13005
Half25K
126305+179
#13005 #12826
25K30K
1633104-1529
#12826 #14355
30K35K
235555-2300
#14355 #16655
35K40K
1105201-904
#16655 #17559
40KFinish
184167-17
#17559 #17576
TOTALS
59372480-3457
#14119 #17576

Passing Visualized

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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