Chandler Sebek

Bib: 62732 M US

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 30%
Gender (Male)
#0 / 33594
Top 38%
Division (M18-39)
#0 / 16712
Top 41%
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
8:06/mi
25:09
49125
10K· 6.21 mi
8:25/mi
51:16
5081
15K· 9.32 mi
8:32/mi
1:17:46
4451
20K· 12.43 mi
8:24/mi
1:43:49
6740
Half· 13.10 mi
8:35/mi
1:49:34
27
25K· 15.53 mi
8:35/mi
2:10:27
5063
30K· 18.64 mi
8:46/mi
2:37:40
6946
35K· 21.75 mi
9:13/mi
3:06:15
8788
40K· 24.85 mi
10:29/mi
3:38:48
5875
Finish· 26.22 mi
10:59/mi
3:53:46
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
1:49:348:22 /mi⚡ faster
2nd Half
2:04:129:28 /mi+13.4%
Positive split — 13.4% slower in the second half
AI Race Performance Report

Chandler'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
25:098:063.11 mi25:09
8:06
-
10K
51:168:163.10 mi26:07
8:25
+0:19
15K
1:17:468:213.11 mi26:30
8:32
+0:07
20K
1:43:498:223.11 mi26:03
8:24
-0:08
Half(13.10 mi)
1:49:348:220.67 mi5:45
8:35
+0:11
25K
2:10:278:242.43 mi20:53
8:35
0:00
30K
2:37:408:283.11 mi27:13
8:46
+0:11
35K
3:06:158:343.11 mi28:35
9:13
+0:27
40K
3:38:488:493.10 mi32:33
10:29
+1:16
Finish(26.22 mi)
3:53:468:561.37 mi14:58
10:59
+0:30
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Chandler's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:06 /mi

Average Pace

8:55 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

25:09

11% of race

Time at Steady Pace

2:12:31

57% of race

Time at Slower Pace

1:16:06

33% of race

Average Pace: 8:55 /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 mi152731161711617165481250212502
10K3.10 mi16414-114112390-77312390-773174251305913059
15K3.11 mi16385+2912378+1212378+12165481250212502
20K3.11 mi16405-2012393-1512393-15167801263012630
Half(13.10 mi)0.67 mi16398+712383+1012383+10162971225512255
25K2.43 mi16298+10012273+11012273+110164541229512295
30K3.11 mi15952+34611968+30511968+305152621134211342
35K3.11 mi15683+26911674+29411674+294159271140211402
40K3.10 mi16902-121912343-66912343-669241531577415774
Finish(26.22 mi)1.37 mi17634-73212765-42212765-422312851963819638

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
131 ft55 ft
49ft125ft
117 ft

Overall

16548

Males

12502

M18-39

12502

5K→10K

3.1 - 6.2 mi

Top 29%
55 ft24 ft
50ft81ft
45 ft

Overall

17425

Males

13059

M18-39

13059

10K→15K

6.2 - 9.3 mi

Top 28%
24 ft18 ft
44ft51ft
17 ft

Overall

16548

Males

12502

M18-39

12502

15K→20K

9.3 - 12.4 mi

Top 28%
18 ft45 ft
67ft40ft
38 ft

Overall

16780

Males

12630

M18-39

12630

20K→Half

12.4 - 13.1 mi

Top 27%
45 ft26 ft
8ft27ft
20 ft

Overall

16297

Males

12255

M18-39

12255

Half→25K

13.1 - 15.5 mi

Top 28%
25 ft12 ft
50ft63ft
20 ft

Overall

16454

Males

12295

M18-39

12295

25K→30K

15.5 - 18.6 mi

Top 26%
12 ft35 ft
69ft46ft
28 ft

Overall

15262

Males

11342

M18-39

11342

30K→35K

18.6 - 21.8 mi

Top 27%
35 ft34 ft
87ft88ft
23 ft

Overall

15927

Males

11402

M18-39

11402

35K→40K

21.8 - 24.9 mi

Top 40%
34 ft17 ft
58ft75ft
31 ft

Overall

24153

Males

15774

M18-39

15774

40K→Finish

24.9 - 26.2 mi

Top 52%
17 ft13 ft
14ft18ft
13 ft

Overall

31285

Males

19638

M18-39

19638

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing