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LONDON MARATHON MASS 2026

Karen Clarke

Bib: 71561 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Division (F45-49)
#0 / 2995
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
12:51/mi
39:54
↑ 49↓ 125
10K· 6.21 mi
13:25/mi
1:21:32
↑ 50↓ 81
15K· 9.32 mi
13:01/mi
2:01:57
↑ 44↓ 51
20K· 12.43 mi
12:56/mi
2:42:07
↑ 67↓ 40
Half· 13.10 mi
12:45/mi
2:50:40
↓ 27
25K· 15.53 mi
13:48/mi
3:24:15
↑ 50↓ 63
30K· 18.64 mi
18:11/mi
4:20:43
↑ 69↓ 46
35K· 21.75 mi
15:25/mi
5:08:36
↑ 87↓ 88
40K· 24.85 mi
16:46/mi
6:00:41
↑ 58↓ 75
Finish· 26.22 mi
16:41/mi
6:23:26
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
2:50:4013:02 /mi⚡ faster
2nd Half
3:32:4616:13 /mi+24.7%
Positive split — 24.7% 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
39:5412:513.11 mi39:54
12:51
-
10K
1:21:3213:083.10 mi41:38
13:25
+0:34
15K
2:01:5713:063.11 mi40:25
13:01
-0:24
20K
2:42:0713:033.11 mi40:10
12:56
-0:05
Half(13.10 mi)
2:50:4013:020.67 mi8:33
12:45
-0:11
25K
3:24:1513:092.43 mi33:35
13:48
+1:03
30K
4:20:4314:003.11 mi56:28
18:11
+4:23
35K
5:08:3614:123.11 mi47:53
15:25
-2:46
40K
6:00:4114:313.10 mi52:05
16:46
+1:21
Finish(26.22 mi)
6:23:2614:391.37 mi22:45
16:41
-0:05
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:45 /mi

Average Pace

14:38 /mi

Slowest Pace

18:11 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

8:33

2% of race

Time at Steady Pace

3:15:42

51% of race

Time at Slower Pace

2:59:11

47% of race

Average Pace: 14:37 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi567842387623876528272127121271
10K3.10 mi56589+19523747+12923747+129562992358723587
15K3.11 mi55463+112622959+78822959+788528272127121271
20K3.11 mi54550+91322385+57422385+574516402067720677
Half(13.10 mi)0.67 mi54292+25822228+15722228+157493251947519475
25K2.43 mi53603+68921831+39721831+397504792024520245
30K3.11 mi55133-153022851-102022851-1020582902514625146
35K3.11 mi54813+32022720+13122720+131520482174121741
40K3.10 mi55269-45623056-33623056-336567892438324383
Finish(26.22 mi)1.37 mi55481-21223216-16023216-160573592476524765

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×10story building
+49ft-125ft

Overall

52827

Females

21271

F45-49

21271

5K→10K

3.1 - 6.2 mi

Top 94%
×4story building
+50ft-81ft

Overall

56299

Females

23587

F45-49

23587

10K→15K

6.2 - 9.3 mi

Top 88%
×1story
+44ft-51ft

Overall

52827

Females

21271

F45-49

21271

15K→20K

9.3 - 12.4 mi

Top 86%
×3story building
+67ft-40ft

Overall

51640

Females

20677

F45-49

20677

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+8ft-27ft

Overall

49325

Females

19475

F45-49

19475

Half→25K

13.1 - 15.5 mi

Top 84%
×2story building
+50ft-63ft

Overall

50479

Females

20245

F45-49

20245

25K→30K

15.5 - 18.6 mi

Top 97%
×2story building
+69ft-46ft

Overall

58290

Females

25146

F45-49

25146

30K→35K

18.6 - 21.8 mi

Top 87%
×2story building
+87ft-88ft

Overall

52048

Females

21741

F45-49

21741

35K→40K

21.8 - 24.9 mi

Top 95%
×3story building
+58ft-75ft

Overall

56789

Females

24383

F45-49

24383

40K→Finish

24.9 - 26.2 mi

Top 96%
×1story
+14ft-18ft

Overall

57359

Females

24765

F45-49

24765

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#56784
5K → 10K
327522+195
#56784 → #56589
10K → 15K
381164+1126
#56589 → #55463
15K → 20K
28941+913
#55463 → #54550
20K → Half
6264+258
#54550 → #54292
Half → 25K
61750+689
#54292 → #53603
25K → 30K
157141-1530
#53603 → #55133
30K → 35K
98418+320
#55133 → #54813
35K → 40K
51862-456
#54813 → #55269
40K → Finish
23725-212
#55269 → #55481
TOTALS
28844187+1303
#56784 → #55481

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