TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Natasha Stevens

Bib: 51160•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Top 36%
Gender (Female)
#0 / 26115
Top 24%
Masters (Masters Women)
#0 / 11371
Top 22%
Division (F50-54)
#0 / 2342
Top 22%
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
8:14/mi
25:32
↑ 49↓ 1250.5%
10K· 6.21 mi
8:35/mi
52:09
↑ 50↓ 810.2%
15K· 9.32 mi
8:49/mi
1:19:31
↑ 44↓ 51
20K· 12.43 mi
8:42/mi
1:46:30
↑ 67↓ 400.2%
Half· 13.10 mi
8:54/mi
1:52:28
↓ 270.6%
25K· 15.53 mi
9:00/mi
2:14:22
↑ 50↓ 630.1%
30K· 18.64 mi
9:40/mi
2:44:23
↑ 69↓ 460.1%
35K· 21.75 mi
10:08/mi
3:15:49
↑ 87↓ 88
40K· 24.85 mi
10:37/mi
3:48:45
↑ 58↓ 750.1%
Finish· 26.22 mi
10:45/mi
4:03:24
↑ 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
Time1:52:28
Pace8:36 /mi
2nd Half
Distance13.12 mi
Time2:10:56
Pace9:59 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:1425:328:1425:32
8:14
-
10K
6.21 mi11:01:5152:098:2426:37
8:35
+0:21
15K
9.32 mi11:29:131:19:318:3227:22
8:49
+0:14
20K
12.43 mi11:56:121:46:308:3526:59
8:42
-0:07
Half
13.10 mi12:02:101:52:288:365:58
8:54
+0:12
25K
15.53 mi12:24:042:14:228:3921:54
9:00
+0:06
30K
18.64 mi12:54:052:44:238:5030:01
9:40
+0:40
35K
21.75 mi13:25:313:15:499:0131:26
10:08
+0:28
40K
24.85 mi13:58:273:48:459:1332:56
10:37
+0:29
Finish
26.22 mi14:13:064:03:249:1814:39
10:45
+0:08

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

8:14 /mi

Average Pace

9:17 /mi

Slowest Pace

10:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:32

10% of race

Time at Steady Pace

1:48:50

45% of race

Time at Slower Pace

1:49:02

45% of race

Average Pace: 9:17 /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 mi10:35:1425:328:1425:32
8:14
#16651
10K
6.21 mi11:01:5152:098:2426:37
8:35
#17842
15K
9.32 mi11:29:131:19:318:3227:22
8:49
#18254
20K
12.43 mi11:56:121:46:308:3526:59
8:42
#18580
Half
13.10 mi12:02:101:52:288:365:58
8:54
#18624
25K
15.53 mi12:24:042:14:228:3921:54
9:00
#18855
30K
18.64 mi12:54:052:44:238:5030:01
9:40
#19504
35K
21.75 mi13:25:313:15:499:0131:26
10:08
#20015
40K
24.85 mi13:58:273:48:459:1332:56
10:37
#21018
Finish
26.22 mi14:13:064:03:249:1814:39
10:45
#21449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi166514091409119318(Top 32%)4945(Top 19%)4945(Top 211%)
10K6.21 mi3.10 mi17842-11914490-3994490-39919084(Top 32%)4914(Top 19%)4914(Top 210%)
15K9.32 mi3.11 mi18254-4124627-1374627-13719318(Top 32%)4945(Top 19%)4945(Top 211%)
20K12.43 mi3.11 mi18580-3264756-1294756-12919883(Top 33%)5196(Top 20%)5196(Top 222%)
Half13.10 mi0.67 mi18624-444771-154771-1519582(Top 33%)5164(Top 20%)5164(Top 220%)
25K15.53 mi2.43 mi18855-2314878-1074878-10720549(Top 34%)5596(Top 21%)5596(Top 239%)
30K18.64 mi3.11 mi19504-6495150-2725150-27223112(Top 39%)6795(Top 26%)6795(Top 290%)
35K21.75 mi3.11 mi20015-5115504-3545504-35422624(Top 38%)7135(Top 27%)7135(Top 305%)
40K24.85 mi3.10 mi21018-10036040-5366040-53625025(Top 42%)8729(Top 33%)8729(Top 373%)
Finish26.22 mi1.37 mi21449-4316262-2226262-22229315(Top 49%)10669(Top 41%)10669(Top 456%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×10story building
+49ft-125ft

Overall

19318

Females

4945

F50-54

4945

5K→10K

3.1 - 6.2 mi

Top 32%
×4story building
+50ft-81ft

Overall

19084

Females

4914

F50-54

4914

10K→15K

6.2 - 9.3 mi

Top 32%
×1story
+44ft-51ft

Overall

19318

Females

4945

F50-54

4945

15K→20K

9.3 - 12.4 mi

Top 33%
×3story building
+67ft-40ft

Overall

19883

Females

5196

F50-54

5196

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+8ft-27ft

Overall

19582

Females

5164

F50-54

5164

Half→25K

13.1 - 15.5 mi

Top 34%
×2story building
+50ft-63ft

Overall

20549

Females

5596

F50-54

5596

25K→30K

15.5 - 18.6 mi

Top 39%
×2story building
+69ft-46ft

Overall

23112

Females

6795

F50-54

6795

30K→35K

18.6 - 21.8 mi

Top 38%
×2story building
+87ft-88ft

Overall

22624

Females

7135

F50-54

7135

35K→40K

21.8 - 24.9 mi

Top 42%
×3story building
+58ft-75ft

Overall

25025

Females

8729

F50-54

8729

40K→Finish

24.9 - 26.2 mi

Top 49%
×1story
+14ft-18ft

Overall

29315

Females

10669

F50-54

10669

Passing Analysis

Category:
Athletes Passed
1484
Passed By
2414
Net Change
-4798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16651
5K → 10K134200-1191#16651#17842
10K → 15K177200-412#17842#18254
15K → 20K187200-326#18254#18580
20K → Half59103-44#18580#18624
Half → 25K197200-231#18624#18855
25K → 30K262911-649#18855#19504
30K → 35K200200-511#19504#20015
35K → 40K200200-1003#20015#21018
40K → Finish68200-431#21018#21449
TOTALS14842414-4798
📊

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