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LONDON MARATHON MASS 2026

Alannah Mathewson

Bib: 18286 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
15:28/mi
48:01
↑ 49↓ 125
10K· 6.21 mi
15:36/mi
1:36:28
↑ 50↓ 81
15K· 9.32 mi
17:10/mi
2:29:48
↑ 44↓ 51
20K· 12.43 mi
16:43/mi
3:21:43
↑ 67↓ 40
Half· 13.10 mi
17:34/mi
3:33:30
↓ 27
25K· 15.53 mi
17:45/mi
4:16:43
↑ 50↓ 63
30K· 18.64 mi
18:11/mi
5:13:10
↑ 69↓ 46
35K· 21.75 mi
18:00/mi
6:09:04
↑ 87↓ 88
40K· 24.85 mi
15:53/mi
6:58:22
↑ 58↓ 75
Finish· 26.22 mi
14:28/mi
7:18:05
↑ 14↓ 18
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

The Course

Half Splits

1st Half· via Half
3:33:3016:18 /mi⚡ faster
2nd Half
3:44:3517:08 /mi+5.2%
Positive split — 5.2% 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
48:0115:283.11 mi48:01
15:28
-
10K
1:36:2815:323.10 mi48:27
15:36
+0:08
15K
2:29:4816:053.11 mi53:20
17:10
+1:34
20K
3:21:4316:143.11 mi51:55
16:43
-0:27
Half(13.10 mi)
3:33:3016:180.67 mi11:47
17:34
+0:51
25K
4:16:4316:322.43 mi43:13
17:45
+0:11
30K
5:13:1016:483.11 mi56:27
18:11
+0:26
35K
6:09:0416:593.11 mi55:54
18:00
-0:11
40K
6:58:2216:503.10 mi49:18
15:53
-2:07
Finish(26.22 mi)
7:18:0516:441.37 mi19:43
14:28
-1:25
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

14:28 /mi

Average Pace

16:43 /mi

Slowest Pace

18:11 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:45:29

38% of race

Time at Steady Pace

2:40:15

37% of race

Time at Slower Pace

1:52:21

26% of race

Average Pace: 16:42 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi593832582425824592272571025710
10K3.10 mi59247+13625709+11525709+115589442549825498
15K3.11 mi59279-3225732-2325732-23592272571025710
20K3.11 mi59197+8225670+6225670+62585292521525215
Half(13.10 mi)0.67 mi59190+725668+225668+2587512544225442
25K2.43 mi59096+9425593+7525593+75579712484524845
30K3.11 mi59079+1725592+125592+1582862514225142
35K3.11 mi58998+8125536+5625536+56576412486124861
40K3.10 mi58776+22225385+15125385+151550542345123451
Finish(26.22 mi)1.37 mi58648+12825291+9425291+94528832229622296

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×10story building
+49ft-125ft

Overall

59227

Females

25710

F18-39

25710

5K→10K

3.1 - 6.2 mi

Top 99%
×4story building
+50ft-81ft

Overall

58944

Females

25498

F18-39

25498

10K→15K

6.2 - 9.3 mi

Top 99%
×1story
+44ft-51ft

Overall

59227

Females

25710

F18-39

25710

15K→20K

9.3 - 12.4 mi

Top 98%
×3story building
+67ft-40ft

Overall

58529

Females

25215

F18-39

25215

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+8ft-27ft

Overall

58751

Females

25442

F18-39

25442

Half→25K

13.1 - 15.5 mi

Top 97%
×2story building
+50ft-63ft

Overall

57971

Females

24845

F18-39

24845

25K→30K

15.5 - 18.6 mi

Top 97%
×2story building
+69ft-46ft

Overall

58286

Females

25142

F18-39

25142

30K→35K

18.6 - 21.8 mi

Top 96%
×2story building
+87ft-88ft

Overall

57641

Females

24861

F18-39

24861

35K→40K

21.8 - 24.9 mi

Top 92%
×3story building
+58ft-75ft

Overall

55054

Females

23451

F18-39

23451

40K→Finish

24.9 - 26.2 mi

Top 88%
×1story
+14ft-18ft

Overall

52883

Females

22296

F18-39

22296

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#59383
5K → 10K
48184+136
#59383 → #59247
10K → 15K
7947-32
#59247 → #59279
15K → 20K
19101+82
#59279 → #59197
20K → Half
1219+7
#59197 → #59190
Half → 25K
23117+94
#59190 → #59096
25K → 30K
5471+17
#59096 → #59079
30K → 35K
26107+81
#59079 → #58998
35K → 40K
3225*+222
#58998 → #58776
40K → Finish
7135+128
#58776 → #58648
TOTALS
2711006*+735
#59383 → #58648

* 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

London Marathon Events

Mika Timing

Mika Timing