Jack Chubb

Bib: 3635 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 3%
Gender (Male)
#0 / 33594
Top 5%
Masters (Masters Men)
#0 / 16876
Top 3%
Division (M40-44)
#0 / 4826
Top 6%
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
6:19/mi
19:36
49125
10K· 6.21 mi
6:21/mi
39:19
5081
15K· 9.32 mi
6:30/mi
59:28
4451
20K· 12.43 mi
6:24/mi
1:19:19
6740
Half· 13.10 mi
6:37/mi
1:23:45
27
25K· 15.53 mi
6:29/mi
1:39:31
5063
30K· 18.64 mi
6:36/mi
1:59:59
6946
35K· 21.75 mi
6:39/mi
2:20:38
8788
40K· 24.85 mi
6:40/mi
2:41:18
5875
Finish· 26.22 mi
6:39/mi
2:50:21
1418
Course Elevation
6172 ft
×14story building
503 ft climb · 613 ft descent

The Course

Half Splits

1st Half· via Half
1:23:456:24 /mi⚡ faster
2nd Half
1:26:366:37 /mi+3.4%
Positive split — 3.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:366:193.11 mi19:36
6:19
-
10K
39:196:203.10 mi19:43
6:21
+0:02
15K
59:286:233.11 mi20:09
6:30
+0:09
20K
1:19:196:233.11 mi19:51
6:24
-0:06
Half(13.10 mi)
1:23:456:240.67 mi4:26
6:37
+0:13
25K
1:39:316:252.43 mi15:46
6:29
-0:08
30K
1:59:596:273.11 mi20:28
6:36
+0:07
35K
2:20:386:283.11 mi20:39
6:39
+0:03
40K
2:41:186:303.10 mi20:40
6:40
+0:01
Finish(26.22 mi)
2:50:216:311.37 mi9:03
6:39
-0:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:19 /mi

Average Pace

6:30 /mi

Slowest Pace

6:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:59:59

70% of race

Time at Steady Pace

50:22

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /mi

Loading chart...
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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi185017501750182417451745
10K3.10 mi1826+241730+201730+20180617201720
15K3.11 mi1817+91727+31727+3182417451745
20K3.11 mi1858-411775-481775-48205319641964
Half(13.10 mi)0.67 mi1865-71781-61781-6218720882088
25K2.43 mi1862+31780+11780+1202719341934
30K3.11 mi1843+191760+201760+20188817961796
35K3.11 mi1802+411724+361724+36174516391639
40K3.10 mi1727+751648+761648+76155314461446
Finish(26.22 mi)1.37 mi1699+281620+281620+28162115001500

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×10story building
+49ft-125ft

Overall

1824

Males

1745

M40-44

1745

5K→10K

3.1 - 6.2 mi

Top 3%
×4story building
+50ft-81ft

Overall

1806

Males

1720

M40-44

1720

10K→15K

6.2 - 9.3 mi

Top 3%
×1story
+44ft-51ft

Overall

1824

Males

1745

M40-44

1745

15K→20K

9.3 - 12.4 mi

Top 3%
×3story building
+67ft-40ft

Overall

2053

Males

1964

M40-44

1964

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+8ft-27ft

Overall

2187

Males

2088

M40-44

2088

Half→25K

13.1 - 15.5 mi

Top 3%
×2story building
+50ft-63ft

Overall

2027

Males

1934

M40-44

1934

25K→30K

15.5 - 18.6 mi

Top 3%
×2story building
+69ft-46ft

Overall

1888

Males

1796

M40-44

1796

30K→35K

18.6 - 21.8 mi

Top 3%
×2story building
+87ft-88ft

Overall

1745

Males

1639

M40-44

1639

35K→40K

21.8 - 24.9 mi

Top 3%
×3story building
+58ft-75ft

Overall

1553

Males

1446

M40-44

1446

40K→Finish

24.9 - 26.2 mi

Top 3%
×1story
+14ft-18ft

Overall

1621

Males

1500

M40-44

1500

Passing Analysis

Category:
Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1850
5K10K
6690+24
#1850 #1826
10K15K
4958+9
#1826 #1817
15K20K
7029-41
#1817 #1858
20KHalf
147-7
#1858 #1865
Half25K
3740+3
#1865 #1862
25K30K
4160+19
#1862 #1843
30K35K
4889+41
#1843 #1802
35K40K
38113+75
#1802 #1727
40KFinish
1543+28
#1727 #1699
TOTALS
378529+151
#1850 #1699

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