TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

December Parker

Bib: 41750 F US

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 39%
Gender (Female)
#0 / 26115
Top 26%
Masters (Masters Women)
#0 / 11371
Top 24%
Division (F40-44)
#0 / 3355
Top 30%
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
8:16/mi
25:40
↑ 49↓ 125
10K· 6.21 mi
8:31/mi
52:05
↑ 50↓ 81
15K· 9.32 mi
8:56/mi
1:19:50
↑ 44↓ 51
20K· 12.43 mi
8:58/mi
1:47:40
↑ 67↓ 40
Half· 13.10 mi
9:43/mi
1:54:11
↓ 27
25K· 15.53 mi
9:53/mi
2:18:13
↑ 50↓ 63
30K· 18.64 mi
10:36/mi
2:51:06
↑ 69↓ 46
35K· 21.75 mi
10:54/mi
3:24:57
↑ 87↓ 88
40K· 24.85 mi
9:50/mi
3:55:30
↑ 58↓ 75
Finish· 26.22 mi
9:35/mi
4:08:34
↑ 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
1:54:118:44 /mi⚡ faster
2nd Half
2:14:2310:15 /mi+17.7%
Positive split — 17.7% 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
25:408:163.11 mi25:40
8:16
-
10K
52:058:233.10 mi26:25
8:31
+0:15
15K
1:19:508:343.11 mi27:45
8:56
+0:25
20K
1:47:408:403.11 mi27:50
8:58
+0:02
Half(13.10 mi)
1:54:118:440.67 mi6:31
9:43
+0:45
25K
2:18:138:542.43 mi24:02
9:53
+0:10
30K
2:51:069:113.11 mi32:53
10:36
+0:43
35K
3:24:579:263.11 mi33:51
10:54
+0:18
40K
3:55:309:293.10 mi30:33
9:50
-1:04
Finish(26.22 mi)
4:08:349:301.37 mi13:04
9:35
-0:15
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:16 /mi

Average Pace

9:29 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:47:40

43% of race

Time at Steady Pace

1:14:10

30% of race

Time at Slower Pace

1:06:44

27% of race

Average Pace: 9:29 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi17110422542252064953855385
10K3.10 mi17733-6234451-2264451-2261841146914691
15K3.11 mi18629-8964761-3104761-3102064953855385
20K3.11 mi19618-9895076-3155076-3152311362866286
Half(13.10 mi)0.67 mi20049-4315225-1495225-1492808182518251
25K2.43 mi21554-15055793-5685793-5682837785768576
30K3.11 mi23573-20196613-8206613-8202977096759675
35K3.11 mi24349-7767085-4727085-4722762793669366
40K3.10 mi23369+9806941+1446941+1441972864236423
Finish(26.22 mi)1.37 mi23061+3086877+646877+641967564536453

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×10
+49ft-125ft

Overall

20649

Females

5385

F40-44

5385

5K→10K

3.1 - 6.2 mi

Top 31%
×4
+50ft-81ft

Overall

18411

Females

4691

F40-44

4691

10K→15K

6.2 - 9.3 mi

Top 35%
+44ft-51ft

Overall

20649

Females

5385

F40-44

5385

15K→20K

9.3 - 12.4 mi

Top 39%
×3
+67ft-40ft

Overall

23113

Females

6286

F40-44

6286

20K→Half

12.4 - 13.1 mi

Top 47%
×2
+8ft-27ft

Overall

28081

Females

8251

F40-44

8251

Half→25K

13.1 - 15.5 mi

Top 47%
×2
+50ft-63ft

Overall

28377

Females

8576

F40-44

8576

25K→30K

15.5 - 18.6 mi

Top 50%
×2
+69ft-46ft

Overall

29770

Females

9675

F40-44

9675

30K→35K

18.6 - 21.8 mi

Top 46%
×2
+87ft-88ft

Overall

27627

Females

9366

F40-44

9366

35K→40K

21.8 - 24.9 mi

Top 33%
×3
+58ft-75ft

Overall

19728

Females

6423

F40-44

6423

40K→Finish

24.9 - 26.2 mi

Top 33%
+14ft-18ft

Overall

19675

Females

6453

F40-44

6453

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#17110
5K → 10K
857234-623
#17110 → #17733
10K → 15K
99599-896
#17733 → #18629
15K → 20K
1094105-989
#18629 → #19618
20K → Half
44716-431
#19618 → #20049
Half → 25K
159085-1505
#20049 → #21554
25K → 30K
2155136-2019
#21554 → #23573
30K → 35K
1133357-776
#23573 → #24349
35K → 40K
801060+980
#24349 → #23369
40K → Finish
41349+308
#23369 → #23061
TOTALS
83922441-5951
#17110 → #23061

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