TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Maisie Harris

Bib: 64483•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
10:18/mi
31:59
↑ 49↓ 1250.5%
10K· 6.21 mi
10:26/mi
1:04:21
↑ 50↓ 810.2%
15K· 9.32 mi
11:00/mi
1:38:31
↑ 44↓ 51
20K· 12.43 mi
10:56/mi
2:12:26
↑ 67↓ 400.2%
Half· 13.10 mi
11:20/mi
2:20:02
↓ 270.6%
25K· 15.53 mi
11:23/mi
2:47:45
↑ 50↓ 630.1%
30K· 18.64 mi
12:05/mi
3:25:15
↑ 69↓ 460.1%
35K· 21.75 mi
12:54/mi
4:05:18
↑ 87↓ 88
40K· 24.85 mi
12:52/mi
4:45:15
↑ 58↓ 750.1%
Finish· 26.22 mi
11:42/mi
5:01:12
↑ 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
Time2:20:02
Pace10:42 /mi
2nd Half
Distance13.12 mi
Time2:41:10
Pace12:18 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:4531:5910:1831:59
10:18
-
10K
6.21 mi12:01:071:04:2110:2232:22
10:26
+0:08
15K
9.32 mi12:35:171:38:3110:3534:10
11:00
+0:34
20K
12.43 mi13:09:122:12:2610:4033:55
10:56
-0:04
Half
13.10 mi13:16:482:20:0210:427:36
11:20
+0:24
25K
15.53 mi13:44:312:47:4510:4827:43
11:23
+0:03
30K
18.64 mi14:22:013:25:1511:0137:30
12:05
+0:42
35K
21.75 mi15:02:044:05:1811:1740:03
12:54
+0:49
40K
24.85 mi15:42:014:45:1511:2939:57
12:52
-0:02
Finish
26.22 mi15:57:585:01:1211:3015:57
11:42
-1:10

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

10:18 /mi

Average Pace

11:30 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:16

33% of race

Time at Steady Pace

1:25:26

28% of race

Time at Slower Pace

1:57:30

39% of race

Average Pace: 11:29 /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 mi11:28:4531:5910:1831:59
10:18
#41884
10K
6.21 mi12:01:071:04:2110:2232:22
10:26
#41082
15K
9.32 mi12:35:171:38:3110:3534:10
11:00
#41160
20K
12.43 mi13:09:122:12:2610:4033:55
10:56
#41066
Half
13.10 mi13:16:482:20:0210:427:36
11:20
#41029
25K
15.53 mi13:44:312:47:4510:4827:43
11:23
#40575
30K
18.64 mi14:22:013:25:1511:0137:30
12:05
#40238
35K
21.75 mi15:02:044:05:1811:1740:03
12:54
#40247
40K
24.85 mi15:42:014:45:1511:2939:57
12:52
#40528
Finish
26.22 mi15:57:585:01:1211:3015:57
11:42
#40444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi41884144151441541632(Top 70%)14427(Top 55%)14427(Top 98%)
10K6.21 mi3.10 mi41082+80213990+42513990+42540556(Top 68%)13764(Top 53%)13764(Top 93%)
15K9.32 mi3.11 mi41160-7814068-7814068-7841632(Top 70%)14427(Top 55%)14427(Top 98%)
20K12.43 mi3.11 mi41066+9414095-2714095-2741135(Top 69%)14435(Top 55%)14435(Top 98%)
Half13.10 mi0.67 mi41029+3714106-1114106-1141482(Top 69%)14864(Top 57%)14864(Top 101%)
25K15.53 mi2.43 mi40575+45414026+8014026+8039528(Top 66%)14003(Top 54%)14003(Top 95%)
30K18.64 mi3.11 mi40238+33714029-314029-339447(Top 66%)14469(Top 55%)14469(Top 98%)
35K21.75 mi3.11 mi40247-914259-23014259-23040204(Top 67%)15453(Top 59%)15453(Top 105%)
40K24.85 mi3.10 mi40528-28114592-33314592-33341462(Top 69%)16399(Top 63%)16399(Top 111%)
Finish26.22 mi1.37 mi40444+8414583+914583+937437(Top 63%)14456(Top 55%)14456(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×10story building
+49ft-125ft

Overall

41632

Females

14427

F18-39

14427

5K→10K

3.1 - 6.2 mi

Top 68%
×4story building
+50ft-81ft

Overall

40556

Females

13764

F18-39

13764

10K→15K

6.2 - 9.3 mi

Top 70%
×1story
+44ft-51ft

Overall

41632

Females

14427

F18-39

14427

15K→20K

9.3 - 12.4 mi

Top 69%
×3story building
+67ft-40ft

Overall

41135

Females

14435

F18-39

14435

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+8ft-27ft

Overall

41482

Females

14864

F18-39

14864

Half→25K

13.1 - 15.5 mi

Top 66%
×2story building
+50ft-63ft

Overall

39528

Females

14003

F18-39

14003

25K→30K

15.5 - 18.6 mi

Top 66%
×2story building
+69ft-46ft

Overall

39447

Females

14469

F18-39

14469

30K→35K

18.6 - 21.8 mi

Top 67%
×2story building
+87ft-88ft

Overall

40204

Females

15453

F18-39

15453

35K→40K

21.8 - 24.9 mi

Top 69%
×3story building
+58ft-75ft

Overall

41462

Females

16399

F18-39

16399

40K→Finish

24.9 - 26.2 mi

Top 63%
×1story
+14ft-18ft

Overall

37437

Females

14456

F18-39

14456

Passing Analysis

Category:
Athletes Passed
3656*
Passed By
1848
Net Change
+1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#41884
5K → 10K1002*200+802#41884#41082
10K → 15K200200-78#41082#41160
15K → 20K294*200+94#41160#41066
20K → Half138101+37#41066#41029
Half → 25K654*200+454#41029#40575
25K → 30K750413+337#40575#40238
30K → 35K200200-9#40238#40247
35K → 40K200200-281#40247#40528
40K → Finish218*134+84#40528#40444
TOTALS3656*1848+1440

* 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