Rob Smalley

Bib: 42520 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 33%
Gender (Male)
#0 / 33594
Top 42%
Division (M18-39)
#0 / 16712
Top 45%
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
8:41/mi
26:58
49125
10K· 6.21 mi
8:55/mi
54:38
5081
15K· 9.32 mi
8:41/mi
1:21:35
4451
20K· 12.43 mi
8:46/mi
1:48:47
6740
Half· 13.10 mi
8:44/mi
1:54:38
27
25K· 15.53 mi
8:44/mi
2:15:54
5063
30K· 18.64 mi
8:57/mi
2:43:41
6946
35K· 21.75 mi
9:38/mi
3:13:34
8788
40K· 24.85 mi
10:09/mi
3:45:06
5875
Finish· 26.22 mi
9:47/mi
3:58:26
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
1:54:388:46 /mi⚡ faster
2nd Half
2:03:489:27 /mi+8.0%
Positive split — 8.0% slower in the second half
AI Race Performance Report

Rob'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
26:588:413.11 mi26:58
8:41
-
10K
54:388:483.10 mi27:40
8:55
+0:14
15K
1:21:358:463.11 mi26:57
8:41
-0:14
20K
1:48:478:463.11 mi27:12
8:46
+0:05
Half(13.10 mi)
1:54:388:460.67 mi5:51
8:44
-0:02
25K
2:15:548:452.43 mi21:16
8:44
0:00
30K
2:43:418:473.11 mi27:47
8:57
+0:13
35K
3:13:348:553.11 mi29:53
9:38
+0:41
40K
3:45:069:043.10 mi31:32
10:09
+0:31
Finish(26.22 mi)
3:58:269:071.37 mi13:20
9:47
-0:22
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Rob's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

8:41 /mi

Average Pace

9:06 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:43:41

69% of race

Time at Steady Pace

1:14:45

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi221311617116171178641336713367
10K3.10 mi22635-50416494-32316494-323232101683116831
15K3.11 mi20800+183515313+118115313+1181178641336713367
20K3.11 mi20675+12515237+7615237+76206031514115141
Half(13.10 mi)0.67 mi20460+21515083+15415083+154177371324113241
25K2.43 mi19870+59014654+42914654+429178681322513225
30K3.11 mi19109+76114074+58014074+580168011232412324
35K3.11 mi18953+15613828+24613828+246192251343013430
40K3.10 mi19429-47613958-13013958-130219171453914539
Finish(26.22 mi)1.37 mi19598-16914001-4314001-43211781407314073

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
131 ft55 ft
49ft125ft
117 ft

Overall

17864

Males

13367

M18-39

13367

5K→10K

3.1 - 6.2 mi

Top 39%
55 ft24 ft
50ft81ft
45 ft

Overall

23210

Males

16831

M18-39

16831

10K→15K

6.2 - 9.3 mi

Top 30%
24 ft18 ft
44ft51ft
17 ft

Overall

17864

Males

13367

M18-39

13367

15K→20K

9.3 - 12.4 mi

Top 34%
18 ft45 ft
67ft40ft
38 ft

Overall

20603

Males

15141

M18-39

15141

20K→Half

12.4 - 13.1 mi

Top 30%
45 ft26 ft
8ft27ft
20 ft

Overall

17737

Males

13241

M18-39

13241

Half→25K

13.1 - 15.5 mi

Top 30%
25 ft12 ft
50ft63ft
20 ft

Overall

17868

Males

13225

M18-39

13225

25K→30K

15.5 - 18.6 mi

Top 28%
12 ft35 ft
69ft46ft
28 ft

Overall

16801

Males

12324

M18-39

12324

30K→35K

18.6 - 21.8 mi

Top 32%
35 ft34 ft
87ft88ft
23 ft

Overall

19225

Males

13430

M18-39

13430

35K→40K

21.8 - 24.9 mi

Top 37%
34 ft17 ft
58ft75ft
31 ft

Overall

21917

Males

14539

M18-39

14539

40K→Finish

24.9 - 26.2 mi

Top 35%
17 ft13 ft
14ft18ft
13 ft

Overall

21178

Males

14073

M18-39

14073

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing