TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Paul Karslake

Bib: 71780 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 (M40-44)
#0 / 4826
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
11:39/mi
36:11
↑ 49↓ 125
10K· 6.21 mi
12:00/mi
1:13:26
↑ 50↓ 81
15K· 9.32 mi
12:13/mi
1:51:21
↑ 44↓ 51
20K· 12.43 mi
12:15/mi
2:29:24
↑ 67↓ 40
Half· 13.10 mi
12:17/mi
2:37:38
↓ 27
25K· 15.53 mi
13:14/mi
3:09:50
↑ 50↓ 63
30K· 18.64 mi
12:54/mi
3:49:54
↑ 69↓ 46
35K· 21.75 mi
12:53/mi
4:29:55
↑ 87↓ 88
40K· 24.85 mi
12:52/mi
5:09:52
↑ 58↓ 75
Finish· 26.22 mi
11:58/mi
5:26:10
↑ 14↓ 18
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
×14
613ft
Total descent

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The Course

Half Splits

1st Half· via Half
2:37:3812:03 /mi⚡ faster
2nd Half
2:48:3212:51 /mi+6.9%
Positive split — 6.9% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
36:1111:393.11 mi36:11
11:39
-
10K
1:13:2611:503.10 mi37:15
12:00
+0:21
15K
1:51:2111:573.11 mi37:55
12:13
+0:13
20K
2:29:2412:023.11 mi38:03
12:15
+0:02
Half(13.10 mi)
2:37:3812:030.67 mi8:14
12:17
+0:02
25K
3:09:5012:142.43 mi32:12
13:14
+0:57
30K
3:49:5412:203.11 mi40:04
12:54
-0:20
35K
4:29:5512:253.11 mi40:01
12:53
-0:01
40K
5:09:5212:293.10 mi39:57
12:52
-0:01
Finish(26.22 mi)
5:26:1012:271.37 mi16:18
11:58
-0:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:39 /mi

Average Pace

12:27 /mi

Slowest Pace

13:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:53:56

53% of race

Time at Steady Pace

2:32:14

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:26 /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 mi524853156331563494523033530335
10K3.10 mi52074+41131376+18731376+187517933122931229
15K3.11 mi51172+90231045+33131045+331494523033530335
20K3.11 mi50465+70730710+33530710+335488952990329903
Half(13.10 mi)0.67 mi50238+22730606+10430606+104470512888128881
25K2.43 mi49835+40330399+20730399+207484722937029370
30K3.11 mi48761+107429875+52429875+524439112704327043
35K3.11 mi47519+124229227+64829227+648401222465424654
40K3.10 mi46790+72928786+44128786+441414372499024990
Finish(26.22 mi)1.37 mi46450+34028574+21228574+212393102393423934

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×10
+49ft-125ft

Overall

49452

Males

30335

M40-44

30335

5K→10K

3.1 - 6.2 mi

Top 87%
×4
+50ft-81ft

Overall

51793

Males

31229

M40-44

31229

10K→15K

6.2 - 9.3 mi

Top 83%
+44ft-51ft

Overall

49452

Males

30335

M40-44

30335

15K→20K

9.3 - 12.4 mi

Top 82%
×3
+67ft-40ft

Overall

48895

Males

29903

M40-44

29903

20K→Half

12.4 - 13.1 mi

Top 79%
×2
+8ft-27ft

Overall

47051

Males

28881

M40-44

28881

Half→25K

13.1 - 15.5 mi

Top 81%
×2
+50ft-63ft

Overall

48472

Males

29370

M40-44

29370

25K→30K

15.5 - 18.6 mi

Top 73%
×2
+69ft-46ft

Overall

43911

Males

27043

M40-44

27043

30K→35K

18.6 - 21.8 mi

Top 67%
×2
+87ft-88ft

Overall

40122

Males

24654

M40-44

24654

35K→40K

21.8 - 24.9 mi

Top 69%
×3
+58ft-75ft

Overall

41437

Males

24990

M40-44

24990

40K→Finish

24.9 - 26.2 mi

Top 66%
+14ft-18ft

Overall

39310

Males

23934

M40-44

23934

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#52485
5K → 10K
451862+411
#52485 → #52074
10K → 15K
1791081+902
#52074 → #51172
15K → 20K
177884+707
#51172 → #50465
20K → Half
27254+227
#50465 → #50238
Half → 25K
209612+403
#50238 → #49835
25K → 30K
471121+1074
#49835 → #48761
30K → 35K
301272+1242
#48761 → #47519
35K → 40K
75804+729
#47519 → #46790
40K → Finish
23363+340
#46790 → #46450
TOTALS
12187253+6035
#52485 → #46450

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