TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Sarah Mackay

Bib: 62003•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 39%
Division (F18-39)
#0 / 14744
Top 40%
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
10:01/mi
31:05
↑ 49↓ 1250.5%
10K· 6.21 mi
9:59/mi
1:02:06
↑ 50↓ 810.2%
15K· 9.32 mi
10:22/mi
1:34:17
↑ 44↓ 51
20K· 12.43 mi
10:05/mi
2:05:36
↑ 67↓ 400.2%
Half· 13.10 mi
10:34/mi
2:12:41
↓ 270.6%
25K· 15.53 mi
10:30/mi
2:38:14
↑ 50↓ 630.1%
30K· 18.64 mi
10:37/mi
3:11:10
↑ 69↓ 460.1%
35K· 21.75 mi
10:50/mi
3:44:49
↑ 87↓ 88
40K· 24.85 mi
10:34/mi
4:17:36
↑ 58↓ 750.1%
Finish· 26.22 mi
10:22/mi
4:31:43
↑ 14↓ 18

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.10 mi
Time2:12:41
Pace10:08 /mi
2nd Half
Distance13.12 mi
Time2:19:02
Pace10:36 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:5731:0510:0131:05
10:01
-
10K
6.21 mi11:37:581:02:0610:0031:01
9:59
-0:02
15K
9.32 mi12:10:091:34:1710:0732:11
10:22
+0:23
20K
12.43 mi12:41:282:05:3610:0731:19
10:05
-0:17
Half
13.10 mi12:48:332:12:4110:087:05
10:34
+0:29
25K
15.53 mi13:14:062:38:1410:1225:33
10:30
-0:04
30K
18.64 mi13:47:023:11:1010:1632:56
10:37
+0:07
35K
21.75 mi14:20:413:44:4910:2133:39
10:50
+0:13
40K
24.85 mi14:53:284:17:3610:2232:47
10:34
-0:16
Finish
26.22 mi15:07:354:31:4310:2314:07
10:22
-0:12

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

9:59 /mi

Average Pace

10:22 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:43

51% of race

Time at Steady Pace

2:12:00

49% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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 mi11:06:5731:0510:0131:05
10:01
#38706
10K
6.21 mi11:37:581:02:0610:0031:01
9:59
#37352
15K
9.32 mi12:10:091:34:1710:0732:11
10:22
#36818
20K
12.43 mi12:41:282:05:3610:0731:19
10:05
#35971
Half
13.10 mi12:48:332:12:4110:087:05
10:34
#35920
25K
15.53 mi13:14:062:38:1410:1225:33
10:30
#35262
30K
18.64 mi13:47:023:11:1010:1632:56
10:37
#33960
35K
21.75 mi14:20:413:44:4910:2133:39
10:50
#32548
40K
24.85 mi14:53:284:17:3610:2232:47
10:34
#31289
Finish
26.22 mi15:07:354:31:4310:2314:07
10:22
#30926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi38706127421274236079(Top 60%)11554(Top 44%)11554(Top 78%)
10K6.21 mi3.10 mi37352+135412067+67512067+67536283(Top 61%)11575(Top 44%)11575(Top 79%)
15K9.32 mi3.11 mi36818+53411826+24111826+24136079(Top 60%)11554(Top 44%)11554(Top 78%)
20K12.43 mi3.11 mi35971+84711511+31511511+31534248(Top 57%)10908(Top 42%)10908(Top 74%)
Half13.10 mi0.67 mi35920+5111499+1211499+1235422(Top 59%)11651(Top 45%)11651(Top 79%)
25K15.53 mi2.43 mi35262+65811297+20211297+20233294(Top 56%)10865(Top 42%)10865(Top 74%)
30K18.64 mi3.11 mi33960+130210891+40610891+40629890(Top 50%)9735(Top 37%)9735(Top 66%)
35K21.75 mi3.11 mi32548+141210506+38510506+38527214(Top 46%)9184(Top 35%)9184(Top 62%)
40K24.85 mi3.10 mi31289+125910191+31510191+31524714(Top 41%)8598(Top 33%)8598(Top 58%)
Finish26.22 mi1.37 mi30926+36310097+9410097+9426014(Top 44%)9155(Top 35%)9155(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×10story building
+49ft-125ft

Overall

36079

Females

11554

F18-39

11554

5K→10K

3.1 - 6.2 mi

Top 61%
×4story building
+50ft-81ft

Overall

36283

Females

11575

F18-39

11575

10K→15K

6.2 - 9.3 mi

Top 60%
×1story
+44ft-51ft

Overall

36079

Females

11554

F18-39

11554

15K→20K

9.3 - 12.4 mi

Top 57%
×3story building
+67ft-40ft

Overall

34248

Females

10908

F18-39

10908

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+8ft-27ft

Overall

35422

Females

11651

F18-39

11651

Half→25K

13.1 - 15.5 mi

Top 56%
×2story building
+50ft-63ft

Overall

33294

Females

10865

F18-39

10865

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+69ft-46ft

Overall

29890

Females

9735

F18-39

9735

30K→35K

18.6 - 21.8 mi

Top 46%
×2story building
+87ft-88ft

Overall

27214

Females

9184

F18-39

9184

35K→40K

21.8 - 24.9 mi

Top 41%
×3story building
+58ft-75ft

Overall

24714

Females

8598

F18-39

8598

40K→Finish

24.9 - 26.2 mi

Top 44%
×1story
+14ft-18ft

Overall

26014

Females

9155

F18-39

9155

Passing Analysis

Category:
Athletes Passed
8811*
Passed By
1031
Net Change
+7780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#38706
5K → 10K1554*200+1354#38706#37352
10K → 15K734*200+534#37352#36818
15K → 20K937*90+847#36818#35971
20K → Half12877+51#35971#35920
Half → 25K804*146+658#35920#35262
25K → 30K139492+1302#35262#33960
30K → 35K1516*104+1412#33960#32548
35K → 40K1329*70+1259#32548#31289
40K → Finish415*52+363#31289#30926
TOTALS8811*1031+7780

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

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing