Jason Bradbury

Bib: 66851 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Male)
#0 / 33594
Masters (Masters Men)
#0 / 16876
Division (M50-54)
#0 / 3474
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
13:34/mi
42:06
49125
10K· 6.21 mi
14:20/mi
1:26:37
5081
15K· 9.32 mi
17:11/mi
2:19:58
4451
20K· 12.43 mi
17:53/mi
3:15:29
6740
Half· 13.10 mi
17:34/mi
3:27:16
27
25K· 15.53 mi
17:36/mi
4:10:07
5063
30K· 18.64 mi
16:56/mi
5:02:43
6946
35K· 21.75 mi
17:57/mi
5:58:26
8788
40K· 24.85 mi
17:20/mi
6:52:15
5875
Finish· 26.22 mi
17:16/mi
7:15:48
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
3:27:1615:50 /mi⚡ faster
2nd Half
3:48:3217:26 /mi+10.3%
Positive split — 10.3% slower in the second half
AI Race Performance Report

Jason'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
42:0613:343.11 mi42:06
13:34
-
10K
1:26:3713:573.10 mi44:31
14:20
+0:46
15K
2:19:5815:023.11 mi53:21
17:11
+2:51
20K
3:15:2915:443.11 mi55:31
17:53
+0:42
Half(13.10 mi)
3:27:1615:500.67 mi11:47
17:34
-0:19
25K
4:10:0716:072.43 mi42:51
17:36
+0:02
30K
5:02:4316:153.11 mi52:36
16:56
-0:40
35K
5:58:2616:293.11 mi55:43
17:57
+1:01
40K
6:52:1516:363.10 mi53:49
17:20
-0:37
Finish(26.22 mi)
7:15:4816:391.37 mi23:33
17:16
-0:04
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Jason's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

13:34 /mi

Average Pace

16:38 /mi

Slowest Pace

17:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:26:37

20% of race

Time at Steady Pace

5:49:11

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 16:37 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi580793317833178592293344333443
10K3.10 mi58003+7633153+2533153+25577893307633076
15K3.11 mi58677-67433315-16233315-162592293344333443
20K3.11 mi58912-23533378-6333378-63591693342433424
Half(13.10 mi)0.67 mi58914-233379-133379-1587493323433234
25K2.43 mi58852+6233357+2233357+22578493300333003
30K3.11 mi58685+16733312+4533312+45568923255832558
35K3.11 mi58639+4633294+1833294+18575593268532685
40K3.10 mi58570+6933267+2733267+27575673268532685
Finish(26.22 mi)1.37 mi58563+733261+633261+6579393279232792

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
131 ft55 ft
49ft125ft
117 ft

Overall

59229

Males

33443

M50-54

33443

5K→10K

3.1 - 6.2 mi

Top 97%
55 ft24 ft
50ft81ft
45 ft

Overall

57789

Males

33076

M50-54

33076

10K→15K

6.2 - 9.3 mi

Top 99%
24 ft18 ft
44ft51ft
17 ft

Overall

59229

Males

33443

M50-54

33443

15K→20K

9.3 - 12.4 mi

Top 99%
18 ft45 ft
67ft40ft
38 ft

Overall

59169

Males

33424

M50-54

33424

20K→Half

12.4 - 13.1 mi

Top 98%
45 ft26 ft
8ft27ft
20 ft

Overall

58749

Males

33234

M50-54

33234

Half→25K

13.1 - 15.5 mi

Top 97%
25 ft12 ft
50ft63ft
20 ft

Overall

57849

Males

33003

M50-54

33003

25K→30K

15.5 - 18.6 mi

Top 95%
12 ft35 ft
69ft46ft
28 ft

Overall

56892

Males

32558

M50-54

32558

30K→35K

18.6 - 21.8 mi

Top 96%
35 ft34 ft
87ft88ft
23 ft

Overall

57559

Males

32685

M50-54

32685

35K→40K

21.8 - 24.9 mi

Top 96%
34 ft17 ft
58ft75ft
31 ft

Overall

57567

Males

32685

M50-54

32685

40K→Finish

24.9 - 26.2 mi

Top 97%
17 ft13 ft
14ft18ft
13 ft

Overall

57939

Males

32792

M50-54

32792

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing