TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Isabelle Leresche

Bib: 33217 F CH

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Division (F50-54)
#0 / 2342
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
12:29/mi
38:46
↑ 49↓ 125
10K· 6.21 mi
12:12/mi
1:16:39
↑ 50↓ 81
15K· 9.32 mi
13:20/mi
1:58:02
↑ 44↓ 51
20K· 12.43 mi
14:26/mi
2:42:50
↑ 67↓ 40
Half· 13.10 mi
14:37/mi
2:52:38
↓ 27
25K· 15.53 mi
14:37/mi
3:28:12
↑ 50↓ 63
30K· 18.64 mi
15:23/mi
4:15:57
↑ 69↓ 46
35K· 21.75 mi
15:00/mi
5:02:32
↑ 87↓ 88
40K· 24.85 mi
15:30/mi
5:50:41
↑ 58↓ 75
Finish· 26.22 mi
15:38/mi
6:11:59
↑ 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
2:52:3813:11 /mi⚡ faster
2nd Half
3:19:2115:12 /mi+15.5%
Positive split — 15.5% 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
38:4612:293.11 mi38:46
12:29
-
10K
1:16:3912:213.10 mi37:53
12:12
-0:17
15K
1:58:0212:403.11 mi41:23
13:20
+1:08
20K
2:42:5013:073.11 mi44:48
14:26
+1:06
Half(13.10 mi)
2:52:3813:110.67 mi9:48
14:37
+0:11
25K
3:28:1213:252.43 mi35:34
14:37
0:00
30K
4:15:5713:443.11 mi47:45
15:23
+0:46
35K
5:02:3213:553.11 mi46:35
15:00
-0:23
40K
5:50:4114:073.10 mi48:09
15:30
+0:30
Finish(26.22 mi)
6:11:5914:121.37 mi21:18
15:38
+0:08
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:12 /mi

Average Pace

14:12 /mi

Slowest Pace

15:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:58:02

32% of race

Time at Steady Pace

2:16:45

37% of race

Time at Slower Pace

1:57:12

32% of race

Average Pace: 14:11 /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 mi557962315023150538702196421964
10K3.10 mi54240+155622078+107222078+1072526402107621076
15K3.11 mi54138+10222064+1422064+14538702196421964
20K3.11 mi54725-58722499-43522499-435557522332323323
Half(13.10 mi)0.67 mi54761-3622534-3522534-35551322312823128
25K2.43 mi54430+33122351+18322351+183529362171421714
30K3.11 mi54393+3722381-3022381-30537562239422394
35K3.11 mi53977+41622210+17122210+171505572090520905
40K3.10 mi54129-15222355-14522355-145540962290922909
Finish(26.22 mi)1.37 mi54290-16122461-10622461-106557572384523845

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×10
+49ft-125ft

Overall

53870

Females

21964

F50-54

21964

5K→10K

3.1 - 6.2 mi

Top 88%
×4
+50ft-81ft

Overall

52640

Females

21076

F50-54

21076

10K→15K

6.2 - 9.3 mi

Top 90%
+44ft-51ft

Overall

53870

Females

21964

F50-54

21964

15K→20K

9.3 - 12.4 mi

Top 93%
×3
+67ft-40ft

Overall

55752

Females

23323

F50-54

23323

20K→Half

12.4 - 13.1 mi

Top 92%
×2
+8ft-27ft

Overall

55132

Females

23128

F50-54

23128

Half→25K

13.1 - 15.5 mi

Top 89%
×2
+50ft-63ft

Overall

52936

Females

21714

F50-54

21714

25K→30K

15.5 - 18.6 mi

Top 90%
×2
+69ft-46ft

Overall

53756

Females

22394

F50-54

22394

30K→35K

18.6 - 21.8 mi

Top 85%
×2
+87ft-88ft

Overall

50557

Females

20905

F50-54

20905

35K→40K

21.8 - 24.9 mi

Top 90%
×3
+58ft-75ft

Overall

54096

Females

22909

F50-54

22909

40K→Finish

24.9 - 26.2 mi

Top 93%
+14ft-18ft

Overall

55757

Females

23845

F50-54

23845

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#55796
5K → 10K
641620*+1556
#55796 → #54240
10K → 15K
200302*+102
#54240 → #54138
15K → 20K
200181-587
#54138 → #54725
20K → Half
9963-36
#54725 → #54761
Half → 25K
148479*+331
#54761 → #54430
25K → 30K
293330+37
#54430 → #54393
30K → 35K
91507*+416
#54393 → #53977
35K → 40K
200145-152
#53977 → #54129
40K → Finish
20051-161
#54129 → #54290
TOTALS
14953678*+1506
#55796 → #54290

* 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