TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Laura Boyce

Bib: 36970 F GB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 59786
Gender (Female)
#0 / 26115
Masters (Masters Women)
#0 / 11371
Division (F45-49)
#0 / 2995
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
131 ft elev
5K· 3.11 mi
10:56/mi
33:55
↑ 49↓ 1250.5%
54 ft elev
10K· 6.21 mi
13:26/mi
1:15:37
↑ 50↓ 810.2%
24 ft elev
15K· 9.32 mi
10:58/mi
1:49:40
↑ 44↓ 51
18 ft elev
20K· 12.43 mi
11:06/mi
2:24:09
↑ 67↓ 400.2%
45 ft elev
Half· 13.10 mi
11:20/mi
2:31:45
↓ 270.6%
25 ft elev
25K· 15.53 mi
11:36/mi
2:59:59
↑ 50↓ 630.1%
12 ft elev
30K· 18.64 mi
12:14/mi
3:37:59
↑ 69↓ 460.1%
35 ft elev
35K· 21.75 mi
11:48/mi
4:14:37
↑ 87↓ 88
34 ft elev
40K· 24.85 mi
11:36/mi
4:50:37
↑ 58↓ 750.1%
17 ft elev
Finish· 26.22 mi
11:38/mi
5:06:29
↑ 14↓ 18
19 ft elev
Course Elevation
6–172 ft
≈
×14story building
•▲ 503 ft climb · ▼ 613 ft descent

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
Time2:31:45
Pace11:36 /mi
2nd Half
Distance13.12 mi
Time2:34:44
Pace11:48 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:2133:5510:5633:55
10:56
-
10K
6.21 mi12:18:031:15:3712:1141:42
13:26
+2:30
15K
9.32 mi12:52:061:49:4011:4634:03
10:58
-2:28
20K
12.43 mi13:26:352:24:0911:3634:29
11:06
+0:08
Half
13.10 mi13:34:112:31:4511:367:36
11:20
+0:14
25K
15.53 mi14:02:252:59:5911:3628:14
11:36
+0:16
30K
18.64 mi14:40:253:37:5911:4238:00
12:14
+0:38
35K
21.75 mi15:17:034:14:3711:4336:38
11:48
-0:26
40K
24.85 mi15:53:034:50:3711:4236:00
11:36
-0:12
Finish
26.22 mi16:08:555:06:2911:4215:52
11:38
+0:02

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

10:56 /mi

Average Pace

11:42 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:27

33% of race

Time at Steady Pace

2:04:20

41% of race

Time at Slower Pace

1:19:42

26% of race

Average Pace: 11:41 /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 mi11:36:2133:5510:5633:55
10:56
#47636
10K
6.21 mi12:18:031:15:3712:1141:42
13:26
#53605
15K
9.32 mi12:52:061:49:4011:4634:03
10:58
#50192
20K
12.43 mi13:26:352:24:0911:3634:29
11:06
#48193
Half
13.10 mi13:34:112:31:4511:367:36
11:20
#47826
25K
15.53 mi14:02:252:59:5911:3628:14
11:36
#46381
30K
18.64 mi14:40:253:37:5911:4238:00
12:14
#45200
35K
21.75 mi15:17:034:14:3711:4336:38
11:48
#43339
40K
24.85 mi15:53:034:50:3711:4236:00
11:36
#42048
Finish
26.22 mi16:08:555:06:2911:4215:52
11:38
#41808
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi47636178321783241331(Top 69%)14270(Top 55%)14270(Top 476%)
10K6.21 mi3.10 mi53605-596921670-383821670-383856345(Top 94%)23620(Top 90%)23620(Top 789%)
15K9.32 mi3.11 mi50192+341319427+224319427+224341331(Top 69%)14270(Top 55%)14270(Top 476%)
20K12.43 mi3.11 mi48193+199918258+116918258+116942490(Top 71%)15192(Top 58%)15192(Top 507%)
Half13.10 mi0.67 mi47826+36718067+19118067+19141501(Top 69%)14883(Top 57%)14883(Top 497%)
25K15.53 mi2.43 mi46381+144517301+76617301+76640836(Top 68%)14726(Top 56%)14726(Top 492%)
30K18.64 mi3.11 mi45200+118116731+57016731+57040323(Top 67%)14922(Top 57%)14922(Top 498%)
35K21.75 mi3.11 mi43339+186115914+81715914+81733501(Top 56%)12180(Top 47%)12180(Top 407%)
40K24.85 mi3.10 mi42048+129115377+53715377+53732437(Top 54%)12106(Top 46%)12106(Top 404%)
Finish26.22 mi1.37 mi41808+24015304+7315304+7336943(Top 62%)14229(Top 54%)14229(Top 475%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×10story building
+49ft-125ft

Overall

41331

Females

14270

F45-49

14270

5K→10K

3.1 - 6.2 mi

Top 94%
×4story building
+50ft-81ft

Overall

56345

Females

23620

F45-49

23620

10K→15K

6.2 - 9.3 mi

Top 69%
×1story
+44ft-51ft

Overall

41331

Females

14270

F45-49

14270

15K→20K

9.3 - 12.4 mi

Top 71%
×3story building
+67ft-40ft

Overall

42490

Females

15192

F45-49

15192

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+8ft-27ft

Overall

41501

Females

14883

F45-49

14883

Half→25K

13.1 - 15.5 mi

Top 68%
×2story building
+50ft-63ft

Overall

40836

Females

14726

F45-49

14726

25K→30K

15.5 - 18.6 mi

Top 67%
×2story building
+69ft-46ft

Overall

40323

Females

14922

F45-49

14922

30K→35K

18.6 - 21.8 mi

Top 56%
×2story building
+87ft-88ft

Overall

33501

Females

12180

F45-49

12180

35K→40K

21.8 - 24.9 mi

Top 54%
×3story building
+58ft-75ft

Overall

32437

Females

12106

F45-49

12106

40K→Finish

24.9 - 26.2 mi

Top 62%
×1story
+14ft-18ft

Overall

36943

Females

14229

F45-49

14229

Passing Analysis

Category:
Athletes Passed
12063*
Passed By
418
Net Change
+5828
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#47636
5K → 10K48200-5969#47636#53605
10K → 15K3419*6+3413#53605#50192
15K → 20K2010*11+1999#50192#48193
20K → Half368*1+367#48193#47826
Half → 25K1476*31+1445#47826#46381
25K → 30K125675+1181#46381#45200
30K → 35K1880*19+1861#45200#43339
35K → 40K1307*16+1291#43339#42048
40K → Finish299*59+240#42048#41808
TOTALS12063*418+5828

* 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