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LONDON MARATHON MASS 2026

Emily Seddon

Bib: 43229 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 26%
Gender (Female)
#0 / 26115
Top 16%
Division (F18-39)
#0 / 14744
Top 17%
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
8:12/mi
25:27
↑ 49↓ 125
10K· 6.21 mi
8:05/mi
50:33
↑ 50↓ 81
15K· 9.32 mi
8:16/mi
1:16:13
↑ 44↓ 51
20K· 12.43 mi
8:05/mi
1:41:17
↑ 67↓ 40
Half· 13.10 mi
8:20/mi
1:46:52
↓ 27
25K· 15.53 mi
8:18/mi
2:07:03
↑ 50↓ 63
30K· 18.64 mi
8:43/mi
2:34:06
↑ 69↓ 46
35K· 21.75 mi
9:07/mi
3:02:25
↑ 87↓ 88
40K· 24.85 mi
10:27/mi
3:34:50
↑ 58↓ 75
Finish· 26.22 mi
9:37/mi
3:47:56
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
1:46:528:10 /mi⚡ faster
2nd Half
2:01:049:14 /mi+13.3%
Positive split — 13.3% 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
25:278:123.11 mi25:27
8:12
-
10K
50:338:093.10 mi25:06
8:05
-0:07
15K
1:16:138:113.11 mi25:40
8:16
+0:11
20K
1:41:178:093.11 mi25:04
8:05
-0:11
Half(13.10 mi)
1:46:528:100.67 mi5:35
8:20
+0:15
25K
2:07:038:112.43 mi20:11
8:18
-0:02
30K
2:34:068:163.11 mi27:03
8:43
+0:25
35K
3:02:258:243.11 mi28:19
9:07
+0:24
40K
3:34:508:393.10 mi32:25
10:27
+1:20
Finish(26.22 mi)
3:47:568:421.37 mi13:06
9:37
-0:50
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:05 /mi

Average Pace

8:42 /mi

Slowest Pace

10:27 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:07:03

56% of race

Time at Slower Pace

1:40:53

44% of race

Average Pace: 8:42 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi16353398339831396131783178
10K3.10 mi15173+11803630+3533630+3531398232483248
15K3.11 mi14680+4933452+1783452+1781396131783178
20K3.11 mi14388+2923353+993353+991381931583158
Half(13.10 mi)0.67 mi14343+453333+203333+201406732883288
25K2.43 mi14217+1263318+153318+151402233443344
30K3.11 mi14161+563344-263344-261487837773777
35K3.11 mi14109+523452-1083452-1081523542634263
40K3.10 mi15385-12764031-5794031-5792387682098209
Finish(26.22 mi)1.37 mi15548-1634139-1084139-1081987465286528

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×10story building
+49ft-125ft

Overall

13961

Females

3178

F18-39

3178

5K→10K

3.1 - 6.2 mi

Top 23%
×4story building
+50ft-81ft

Overall

13982

Females

3248

F18-39

3248

10K→15K

6.2 - 9.3 mi

Top 23%
×1story
+44ft-51ft

Overall

13961

Females

3178

F18-39

3178

15K→20K

9.3 - 12.4 mi

Top 23%
×3story building
+67ft-40ft

Overall

13819

Females

3158

F18-39

3158

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+8ft-27ft

Overall

14067

Females

3288

F18-39

3288

Half→25K

13.1 - 15.5 mi

Top 23%
×2story building
+50ft-63ft

Overall

14022

Females

3344

F18-39

3344

25K→30K

15.5 - 18.6 mi

Top 25%
×2story building
+69ft-46ft

Overall

14878

Females

3777

F18-39

3777

30K→35K

18.6 - 21.8 mi

Top 25%
×2story building
+87ft-88ft

Overall

15235

Females

4263

F18-39

4263

35K→40K

21.8 - 24.9 mi

Top 40%
×3story building
+58ft-75ft

Overall

23876

Females

8209

F18-39

8209

40K→Finish

24.9 - 26.2 mi

Top 33%
×1story
+14ft-18ft

Overall

19874

Females

6528

F18-39

6528

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#16353
5K → 10K
621242+1180
#16353 → #15173
10K → 15K
92585+493
#15173 → #14680
15K → 20K
101393+292
#14680 → #14388
20K → Half
3984+45
#14388 → #14343
Half → 25K
186312+126
#14343 → #14217
25K → 30K
338394+56
#14217 → #14161
30K → 35K
393445+52
#14161 → #14109
35K → 40K
1402126-1276
#14109 → #15385
40K → Finish
285122-163
#15385 → #15548
TOTALS
28983703+805
#16353 → #15548

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

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Mika Timing

Mika Timing