TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Isobel Warburg

Bib: 11626•F

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 37%
Gender (Female)
#0 / 26115
Top 25%
Division (F18-39)
#0 / 14744
Top 27%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:00/mi
27:56
↑ 49↓ 1250.5%
10K· 6.21 mi
9:14/mi
56:35
↑ 50↓ 810.2%
15K· 9.32 mi
9:27/mi
1:25:55
↑ 44↓ 51
20K· 12.43 mi
9:09/mi
1:54:20
↑ 67↓ 400.2%
Half· 13.10 mi
9:16/mi
2:00:33
↓ 270.6%
25K· 15.53 mi
9:11/mi
2:22:53
↑ 50↓ 630.1%
30K· 18.64 mi
9:19/mi
2:51:49
↑ 69↓ 460.1%
35K· 21.75 mi
9:47/mi
3:22:12
↑ 87↓ 88
40K· 24.85 mi
9:38/mi
3:52:05
↑ 58↓ 750.1%
Finish· 26.22 mi
10:01/mi
4:05:44
↑ 14↓ 18

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:00:33
Pace9:13 /mi
2nd Half
Distance13.12 mi
Time2:05:11
Pace9:33 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:2427:569:0027:56
9:00
-
10K
6.21 mi11:01:0356:359:0728:39
9:14
+0:14
15K
9.32 mi11:30:231:25:559:1429:20
9:27
+0:13
20K
12.43 mi11:58:481:54:209:1328:25
9:09
-0:18
Half
13.10 mi12:05:012:00:339:136:13
9:16
+0:07
25K
15.53 mi12:27:212:22:539:1222:20
9:11
-0:05
30K
18.64 mi12:56:172:51:499:1428:56
9:19
+0:08
35K
21.75 mi13:26:403:22:129:1830:23
9:47
+0:28
40K
24.85 mi13:56:333:52:059:2129:53
9:38
-0:09
Finish
26.22 mi14:10:124:05:449:2313:39
10:01
+0:23

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:00 /mi

Average Pace

9:23 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:52:05

94% of race

Time at Steady Pace

13:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:32:2427:569:0027:56
9:00
#26654
10K
6.21 mi11:01:0356:359:0728:39
9:14
#27136
15K
9.32 mi11:30:231:25:559:1429:20
9:27
#27064
20K
12.43 mi11:58:481:54:209:1328:25
9:09
#26524
Half
13.10 mi12:05:012:00:339:136:13
9:16
#26314
25K
15.53 mi12:27:212:22:539:1222:20
9:11
#25387
30K
18.64 mi12:56:172:51:499:1428:56
9:19
#24051
35K
21.75 mi13:26:403:22:129:1830:23
9:47
#23159
40K
24.85 mi13:56:333:52:059:2129:53
9:38
#22234
Finish
26.22 mi14:10:124:05:449:2313:39
10:01
#22205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi266547591759127147(Top 45%)7693(Top 29%)7693(Top 52%)
10K6.21 mi3.10 mi27136-4827751-1607751-16027837(Top 47%)8009(Top 31%)8009(Top 54%)
15K9.32 mi3.11 mi27064+727694+577694+5727147(Top 45%)7693(Top 29%)7693(Top 52%)
20K12.43 mi3.11 mi26524+5407490+2047490+20425588(Top 43%)7173(Top 27%)7173(Top 49%)
Half13.10 mi0.67 mi26314+2107428+627428+6223783(Top 40%)6618(Top 25%)6618(Top 45%)
25K15.53 mi2.43 mi25387+9277138+2907138+29022527(Top 38%)6288(Top 24%)6288(Top 43%)
30K18.64 mi3.11 mi24051+13366781+3576781+35720302(Top 34%)5730(Top 22%)5730(Top 39%)
35K21.75 mi3.11 mi23159+8926659+1226659+12220322(Top 34%)6202(Top 24%)6202(Top 42%)
40K24.85 mi3.10 mi22234+9256496+1636496+16318217(Top 30%)5837(Top 22%)5837(Top 40%)
Finish26.22 mi1.37 mi22205+296552-566552-5623131(Top 39%)7894(Top 30%)7894(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×10story building
+49ft-125ft

Overall

27147

Females

7693

F18-39

7693

5K→10K

3.1 - 6.2 mi

Top 47%
×4story building
+50ft-81ft

Overall

27837

Females

8009

F18-39

8009

10K→15K

6.2 - 9.3 mi

Top 45%
×1story
+44ft-51ft

Overall

27147

Females

7693

F18-39

7693

15K→20K

9.3 - 12.4 mi

Top 43%
×3story building
+67ft-40ft

Overall

25588

Females

7173

F18-39

7173

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+8ft-27ft

Overall

23783

Females

6618

F18-39

6618

Half→25K

13.1 - 15.5 mi

Top 38%
×2story building
+50ft-63ft

Overall

22527

Females

6288

F18-39

6288

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+69ft-46ft

Overall

20302

Females

5730

F18-39

5730

30K→35K

18.6 - 21.8 mi

Top 34%
×2story building
+87ft-88ft

Overall

20322

Females

6202

F18-39

6202

35K→40K

21.8 - 24.9 mi

Top 30%
×3story building
+58ft-75ft

Overall

18217

Females

5837

F18-39

5837

40K→Finish

24.9 - 26.2 mi

Top 39%
×1story
+14ft-18ft

Overall

23131

Females

7894

F18-39

7894

Passing Analysis

Category:
Athletes Passed
6106*
Passed By
1175
Net Change
+4449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26654
5K → 10K200200-482#26654#27136
10K → 15K272*200+72#27136#27064
15K → 20K740*200+540#27064#26524
20K → Half228*18+210#26524#26314
Half → 25K967*40+927#26314#25387
25K → 30K140064+1336#25387#24051
30K → 35K1067*175+892#24051#23159
35K → 40K1045*120+925#23159#22234
40K → Finish187158+29#22234#22205
TOTALS6106*1175+4449

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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