John Barneby

Bib: 45335 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 28%
Gender (Male)
#0 / 33594
Top 37%
Masters (Masters Men)
#0 / 16876
Top 34%
Division (M45-49)
#0 / 4167
Top 39%
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
8:13/mi
25:31
49125
10K· 6.21 mi
8:35/mi
52:10
5081
15K· 9.32 mi
8:53/mi
1:19:43
4451
20K· 12.43 mi
8:41/mi
1:46:39
6740
Half· 13.10 mi
9:07/mi
1:52:46
27
25K· 15.53 mi
8:57/mi
2:14:33
5063
30K· 18.64 mi
9:02/mi
2:42:34
6946
35K· 21.75 mi
9:12/mi
3:11:08
8788
40K· 24.85 mi
9:14/mi
3:39:48
5875
Finish· 26.22 mi
8:53/mi
3:51:54
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
1:52:468:37 /mi⚡ faster
2nd Half
1:59:089:05 /mi+5.6%
Positive split — 5.6% slower in the second half
AI Race Performance Report

John'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
25:318:133.11 mi25:31
8:13
-
10K
52:108:243.10 mi26:39
8:35
+0:22
15K
1:19:438:343.11 mi27:33
8:53
+0:18
20K
1:46:398:353.11 mi26:56
8:41
-0:12
Half(13.10 mi)
1:52:468:370.67 mi6:07
9:07
+0:26
25K
2:14:338:402.43 mi21:47
8:57
-0:10
30K
2:42:348:443.11 mi28:01
9:02
+0:05
35K
3:11:088:483.11 mi28:34
9:12
+0:10
40K
3:39:488:513.10 mi28:40
9:14
+0:02
Finish(26.22 mi)
3:51:548:521.37 mi12:06
8:53
-0:21
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of John's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:13 /mi

Average Pace

8:51 /mi

Slowest Pace

9:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:48:33

73% of race

Time at Steady Pace

1:03:21

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi165481248612486198771471414714
10K3.10 mi17861-131313352-86613352-866191451419614196
15K3.11 mi18485-62413752-40013752-400198771471414714
20K3.11 mi18707-22213890-13813890-138196621452214522
Half(13.10 mi)0.67 mi18846-13913989-9913989-99217161577515775
25K2.43 mi18961-11514031-4214031-42199981458714587
30K3.11 mi18500+46113662+36913662+369174331272612726
35K3.11 mi17879+62113139+52313139+523158811137511375
40K3.10 mi17264+61512591+54812591+548152841055210552
Finish(26.22 mi)1.37 mi16984+28012351+24012351+2401384096129612

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
131 ft55 ft
49ft125ft
117 ft

Overall

19877

Males

14714

M45-49

14714

5K→10K

3.1 - 6.2 mi

Top 32%
55 ft24 ft
50ft81ft
45 ft

Overall

19145

Males

14196

M45-49

14196

10K→15K

6.2 - 9.3 mi

Top 33%
24 ft18 ft
44ft51ft
17 ft

Overall

19877

Males

14714

M45-49

14714

15K→20K

9.3 - 12.4 mi

Top 33%
18 ft45 ft
67ft40ft
38 ft

Overall

19662

Males

14522

M45-49

14522

20K→Half

12.4 - 13.1 mi

Top 36%
45 ft26 ft
8ft27ft
20 ft

Overall

21716

Males

15775

M45-49

15775

Half→25K

13.1 - 15.5 mi

Top 33%
25 ft12 ft
50ft63ft
20 ft

Overall

19998

Males

14587

M45-49

14587

25K→30K

15.5 - 18.6 mi

Top 29%
12 ft35 ft
69ft46ft
28 ft

Overall

17433

Males

12726

M45-49

12726

30K→35K

18.6 - 21.8 mi

Top 27%
35 ft34 ft
87ft88ft
23 ft

Overall

15881

Males

11375

M45-49

11375

35K→40K

21.8 - 24.9 mi

Top 26%
34 ft17 ft
58ft75ft
31 ft

Overall

15284

Males

10552

M45-49

10552

40K→Finish

24.9 - 26.2 mi

Top 23%
17 ft13 ft
14ft18ft
13 ft

Overall

13840

Males

9612

M45-49

9612

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#16548
5K10K
1432119-1313
#16548 #17861
10K15K
757133-624
#17861 #18485
15K20K
446224-222
#18485 #18707
20KHalf
17031-139
#18707 #18846
Half25K
346231-115
#18846 #18961
25K30K
191652+461
#18961 #18500
30K35K
141762+621
#18500 #17879
35K40K
145760+615
#17879 #17264
40KFinish
41321+280
#17264 #16984
TOTALS
36693233-436
#16548 #16984

Passing Visualized

Category:
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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