TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Stephanie Mahon

Bib: 69908 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 47%
Masters (Masters Women)
#0 / 11371
Top 45%
Division (F50-54)
#0 / 2342
Top 44%
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
9:57/mi
30:52
↑ 49↓ 125
10K· 6.21 mi
10:21/mi
1:03:01
↑ 50↓ 81
15K· 9.32 mi
10:28/mi
1:35:32
↑ 44↓ 51
20K· 12.43 mi
10:21/mi
2:07:41
↑ 67↓ 40
Half· 13.10 mi
10:25/mi
2:14:40
↓ 27
25K· 15.53 mi
10:39/mi
2:40:36
↑ 50↓ 63
30K· 18.64 mi
12:19/mi
3:18:49
↑ 69↓ 46
35K· 21.75 mi
11:13/mi
3:53:39
↑ 87↓ 88
40K· 24.85 mi
12:06/mi
4:31:13
↑ 58↓ 75
Finish· 26.22 mi
11:30/mi
4:46:54
↑ 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
2:14:4010:17 /mi⚡ faster
2nd Half
2:32:1411:37 /mi+13.0%
Positive split — 13.0% 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
30:529:573.11 mi30:52
9:57
-
10K
1:03:0110:093.10 mi32:09
10:21
+0:24
15K
1:35:3210:153.11 mi32:31
10:28
+0:07
20K
2:07:4110:173.11 mi32:09
10:21
-0:07
Half(13.10 mi)
2:14:4010:170.67 mi6:59
10:25
+0:04
25K
2:40:3610:212.43 mi25:56
10:39
+0:14
30K
3:18:4910:403.11 mi38:13
12:19
+1:40
35K
3:53:3910:453.11 mi34:50
11:13
-1:06
40K
4:31:1310:553.10 mi37:34
12:06
+0:53
Finish(26.22 mi)
4:46:5410:581.37 mi15:41
11:30
-0:36
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:57 /mi

Average Pace

10:57 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

30:52

11% of race

Time at Steady Pace

2:09:44

45% of race

Time at Slower Pace

2:06:18

44% of race

Average Pace: 10:57 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi379711237612376370451203012030
10K3.10 mi38829-85812808-43212808-432398331337013370
15K3.11 mi38118+71112461+34712461+347370451203012030
20K3.11 mi37603+51512316+14512316+145366241208212082
Half(13.10 mi)0.67 mi37336+26712215+10112215+101341071099910999
25K2.43 mi36706+63012040+17512040+175344611144311443
30K3.11 mi37554-84812638-59812638-598407111514415144
35K3.11 mi36143+141112165+47312165+473297601037910379
40K3.10 mi36046+9712318-15312318-153361341388913889
Finish(26.22 mi)1.37 mi35981+6512365-4712365-47358551368113681

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×10
+49ft-125ft

Overall

37045

Females

12030

F50-54

12030

5K→10K

3.1 - 6.2 mi

Top 67%
×4
+50ft-81ft

Overall

39833

Females

13370

F50-54

13370

10K→15K

6.2 - 9.3 mi

Top 62%
+44ft-51ft

Overall

37045

Females

12030

F50-54

12030

15K→20K

9.3 - 12.4 mi

Top 61%
×3
+67ft-40ft

Overall

36624

Females

12082

F50-54

12082

20K→Half

12.4 - 13.1 mi

Top 57%
×2
+8ft-27ft

Overall

34107

Females

10999

F50-54

10999

Half→25K

13.1 - 15.5 mi

Top 58%
×2
+50ft-63ft

Overall

34461

Females

11443

F50-54

11443

25K→30K

15.5 - 18.6 mi

Top 68%
×2
+69ft-46ft

Overall

40711

Females

15144

F50-54

15144

30K→35K

18.6 - 21.8 mi

Top 50%
×2
+87ft-88ft

Overall

29760

Females

10379

F50-54

10379

35K→40K

21.8 - 24.9 mi

Top 60%
×3
+58ft-75ft

Overall

36134

Females

13889

F50-54

13889

40K→Finish

24.9 - 26.2 mi

Top 60%
+14ft-18ft

Overall

35855

Females

13681

F50-54

13681

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#37971
5K → 10K
1321463-858
#37971 → #38829
10K → 15K
205916+711
#38829 → #38118
15K → 20K
261776+515
#38118 → #37603
20K → Half
24291+267
#37603 → #37336
Half → 25K
156786+630
#37336 → #36706
25K → 30K
1179331-848
#36706 → #37554
30K → 35K
591470+1411
#37554 → #36143
35K → 40K
421518+97
#36143 → #36046
40K → Finish
155220+65
#36046 → #35981
TOTALS
37815771+1990
#37971 → #35981

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