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LONDON MARATHON MASS 2026

David Buck

Bib: 36971•M

TCS London Marathon 2026 logo
0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Male)
#0 / 33594
Age Group (M18-39)
#0 / 16712
Race Day Weather
56°/46°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
39:58
3.11 mi
Rank: #56844
Start → 5K
39:58 | 12:52/mi
10K
1:22:31
6.21 mi
Rank: #56918 (-74)
5K → 10K
42:33 | 13:42/mi
15K
2:05:10
9.32 mi
Rank: #56341 (+577)
10K → 15K
42:39 | 13:44/mi
20K
2:48:03
12.43 mi
Rank: #55806 (+535)
15K → 20K
42:53 | 13:49/mi
Half
2:57:31
13.10 mi
Rank: #55718 (+88)
20K → Half
9:28 | 14:07/mi
25K
3:30:57
15.53 mi
Rank: #54932 (+786)
Half → 25K
33:26 | 13:44/mi
30K
4:14:03
18.64 mi
Rank: #54054 (+878)
25K → 30K
43:06 | 13:53/mi
35K
4:58:26
21.75 mi
Rank: #53335 (+719)
30K → 35K
44:23 | 14:18/mi
40K
5:39:48
24.85 mi
Rank: #52603 (+732)
35K → 40K
41:22 | 13:19/mi
Finish
5:58:01
26.22 mi
Rank: #52472 (+131)
40K → Finish
18:13 | 13:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.10 mi
Time2:57:31
Pace13:34 /mi
2nd Half
Distance13.12 mi
Time3:00:30
Pace13:46 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0339:5812:5239:58
12:52
-
10K
6.21 mi12:22:361:22:3113:1742:33
13:42
+0:50
15K
9.32 mi13:05:152:05:1013:2642:39
13:44
+0:02
20K
12.43 mi13:48:082:48:0313:3242:53
13:49
+0:05
Half
13.10 mi13:57:362:57:3113:349:28
14:07
+0:18
25K
15.53 mi14:31:023:30:5713:3533:26
13:44
-0:23
30K
18.64 mi15:14:084:14:0313:3843:06
13:53
+0:09
35K
21.75 mi15:58:314:58:2613:4444:23
14:18
+0:25
40K
24.85 mi16:39:535:39:4813:4141:22
13:19
-0:59
Finish
26.22 mi16:58:065:58:0113:4018:13
13:22
+0:03

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

12:52 /mi

Average Pace

13:40 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

5:13:38

88% of race

Time at Steady Pace

44:23

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:39 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:40:0339:5812:5239:58
12:52
#56844
10K
6.21 mi12:22:361:22:3113:1742:33
13:42
#56918
15K
9.32 mi13:05:152:05:1013:2642:39
13:44
#56341
20K
12.43 mi13:48:082:48:0313:3242:53
13:49
#55806
Half
13.10 mi13:57:362:57:3113:349:28
14:07
#55718
25K
15.53 mi14:31:023:30:5713:3533:26
13:44
#54932
30K
18.64 mi15:14:084:14:0313:3843:06
13:53
#54054
35K
21.75 mi15:58:314:58:2613:4444:23
14:18
#53335
40K
24.85 mi16:39:535:39:4813:4141:22
13:19
#52603
Finish
26.22 mi16:58:065:58:0113:4018:13
13:22
#52472
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi56844328593285955003(Top 92%)32216(Top 96%)32216(Top 193%)
10K6.21 mi3.10 mi56918-74328593285956835(Top 95%)32805(Top 98%)32805(Top 196%)
15K9.32 mi3.11 mi56341+57732679+18032679+18055003(Top 92%)32216(Top 96%)32216(Top 193%)
20K12.43 mi3.11 mi55806+53532503+17632503+17654285(Top 91%)31811(Top 95%)31811(Top 190%)
Half13.10 mi0.67 mi55718+8832473+3032473+3053898(Top 90%)31499(Top 94%)31499(Top 188%)
25K15.53 mi2.43 mi54932+78632198+27532198+27550244(Top 84%)30097(Top 90%)30097(Top 180%)
30K18.64 mi3.11 mi54054+87831813+38531813+38548519(Top 81%)29096(Top 87%)29096(Top 174%)
35K21.75 mi3.11 mi53335+71931454+35931454+35947494(Top 79%)28175(Top 84%)28175(Top 169%)
40K24.85 mi3.10 mi52603+73231139+31531139+31544298(Top 74%)26420(Top 79%)26420(Top 158%)
Finish26.22 mi1.37 mi52472+13131049+9031049+9048356(Top 81%)28403(Top 85%)28403(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×10
+49ft-125ft

Overall

55003

Males

32216

M18-39

32216

5K→10K

3.1 - 6.2 mi

Top 95%
×4
+50ft-81ft

Overall

56835

Males

32805

M18-39

32805

10K→15K

6.2 - 9.3 mi

Top 92%
×1
+44ft-51ft

Overall

55003

Males

32216

M18-39

32216

15K→20K

9.3 - 12.4 mi

Top 91%
×3
+67ft-40ft

Overall

54285

Males

31811

M18-39

31811

20K→Half

12.4 - 13.1 mi

Top 90%
×2
+8ft-27ft

Overall

53898

Males

31499

M18-39

31499

Half→25K

13.1 - 15.5 mi

Top 84%
×2
+50ft-63ft

Overall

50244

Males

30097

M18-39

30097

25K→30K

15.5 - 18.6 mi

Top 81%
×2
+69ft-46ft

Overall

48519

Males

29096

M18-39

29096

30K→35K

18.6 - 21.8 mi

Top 79%
×2
+87ft-88ft

Overall

47494

Males

28175

M18-39

28175

35K→40K

21.8 - 24.9 mi

Top 74%
×3
+58ft-75ft

Overall

44298

Males

26420

M18-39

26420

40K→Finish

24.9 - 26.2 mi

Top 81%
×1
+14ft-18ft

Overall

48356

Males

28403

M18-39

28403

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4994*
Passed By
548
Net Change
+4372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#56844
5K → 10K200200-74#56844#56918
10K → 15K663*86+577#56918#56341
15K → 20K596*61+535#56341#55806
20K → Half11830+88#55806#55718
Half → 25K809*23+786#55718#54932
25K → 30K902*24+878#54932#54054
30K → 35K762*43+719#54054#53335
35K → 40K756*24+732#53335#52603
40K → Finish18857+131#52603#52472
TOTALS4994*548+4372

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing