TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Jessica Mecklenburgh

Bib: 19255 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 (F40-44)
#0 / 3355
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
13:43/mi
42:35
↑ 49↓ 125
10K· 6.21 mi
14:58/mi
1:29:02
↑ 50↓ 81
15K· 9.32 mi
15:21/mi
2:16:43
↑ 44↓ 51
20K· 12.43 mi
17:14/mi
3:10:14
↑ 67↓ 40
Half· 13.10 mi
15:38/mi
3:20:43
↓ 27
25K· 15.53 mi
16:09/mi
4:00:01
↑ 50↓ 63
30K· 18.64 mi
18:57/mi
4:58:53
↑ 69↓ 46
35K· 21.75 mi
18:20/mi
5:55:49
↑ 87↓ 88
40K· 24.85 mi
16:16/mi
6:46:19
↑ 58↓ 75
Finish· 26.22 mi
16:05/mi
7:08:14
↑ 14↓ 18
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent

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The Course

Half Splits

1st Half· via Half
3:20:4315:20 /mi⚡ faster
2nd Half
3:47:3117:21 /mi+13.4%
Positive split — 13.4% 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
42:3513:433.11 mi42:35
13:43
-
10K
1:29:0214:203.10 mi46:27
14:58
+1:15
15K
2:16:4314:413.11 mi47:41
15:21
+0:23
20K
3:10:1415:193.11 mi53:31
17:14
+1:53
Half(13.10 mi)
3:20:4315:200.67 mi10:29
15:38
-1:36
25K
4:00:0115:282.43 mi39:18
16:09
+0:31
30K
4:58:5316:033.11 mi58:52
18:57
+2:48
35K
5:55:4916:223.11 mi56:56
18:20
-0:37
40K
6:46:1916:213.10 mi50:30
16:16
-2:04
Finish(26.22 mi)
7:08:1416:211.37 mi21:55
16:05
-0:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:43 /mi

Average Pace

16:21 /mi

Slowest Pace

18:57 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16:43

32% of race

Time at Steady Pace

2:02:12

29% of race

Time at Slower Pace

2:49:19

40% of race

Average Pace: 16:20 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi582722497524975579332475324753
10K3.10 mi58465-19325119-14425119-144585142517125171
15K3.11 mi58343+12225041+7825041+78579332475324753
20K3.11 mi58607-26425233-19225233-192588752547225472
Half(13.10 mi)0.67 mi58572+3525211+2225211+22569822430224302
25K2.43 mi58306+26625010+20125010+201561592368723687
30K3.11 mi58519-21325185-17525185-175587882547425474
35K3.11 mi58535-1625195-1025195-10579772504625046
40K3.10 mi58351+18425079+11625079+116558762390323903
Finish(26.22 mi)1.37 mi58300+5125057+2225057+22565512429924299

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×10
+49ft-125ft

Overall

57933

Females

24753

F40-44

24753

5K→10K

3.1 - 6.2 mi

Top 98%
×4
+50ft-81ft

Overall

58514

Females

25171

F40-44

25171

10K→15K

6.2 - 9.3 mi

Top 97%
+44ft-51ft

Overall

57933

Females

24753

F40-44

24753

15K→20K

9.3 - 12.4 mi

Top 98%
×3
+67ft-40ft

Overall

58875

Females

25472

F40-44

25472

20K→Half

12.4 - 13.1 mi

Top 95%
×2
+8ft-27ft

Overall

56982

Females

24302

F40-44

24302

Half→25K

13.1 - 15.5 mi

Top 94%
×2
+50ft-63ft

Overall

56159

Females

23687

F40-44

23687

25K→30K

15.5 - 18.6 mi

Top 98%
×2
+69ft-46ft

Overall

58788

Females

25474

F40-44

25474

30K→35K

18.6 - 21.8 mi

Top 97%
×2
+87ft-88ft

Overall

57977

Females

25046

F40-44

25046

35K→40K

21.8 - 24.9 mi

Top 93%
×3
+58ft-75ft

Overall

55876

Females

23903

F40-44

23903

40K→Finish

24.9 - 26.2 mi

Top 95%
+14ft-18ft

Overall

56551

Females

24299

F40-44

24299

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#58272
5K → 10K
200164-193
#58272 → #58465
10K → 15K
105227*+122
#58465 → #58343
15K → 20K
20060-264
#58343 → #58607
20K → Half
1045+35
#58607 → #58572
Half → 25K
17283*+266
#58572 → #58306
25K → 30K
25643-213
#58306 → #58519
30K → 35K
8266-16
#58519 → #58535
35K → 40K
12196+184
#58535 → #58351
40K → Finish
1465+51
#58351 → #58300
TOTALS
8961149*-28
#58272 → #58300

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

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

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Mika Timing

Mika Timing