TCS London Marathon 2026 logo
LONDON MARATHON MASS 2026

Debbie Marshall-Thomas

Bib: 23628 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 (F40-44)
#0 / 3355
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:20/mi
32:06
↑ 49↓ 125
10K· 6.21 mi
10:36/mi
1:04:59
↑ 50↓ 81
15K· 9.32 mi
11:50/mi
1:41:44
↑ 44↓ 51
20K· 12.43 mi
11:49/mi
2:18:25
↑ 67↓ 40
Half· 13.10 mi
12:17/mi
2:26:39
↓ 27
25K· 15.53 mi
14:16/mi
3:01:23
↑ 50↓ 63
30K· 18.64 mi
13:35/mi
3:43:33
↑ 69↓ 46
35K· 21.75 mi
14:50/mi
4:29:38
↑ 87↓ 88
40K· 24.85 mi
13:26/mi
5:11:22
↑ 58↓ 75
Finish· 26.22 mi
12:00/mi
5:27:43
↑ 14↓ 18
Course Elevation
503ft
Total climb
613ft
Total descent
166ft
Range
6 to 172 ft
≈
×14story building

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half
2:26:3911:12 /mi⚡ faster
2nd Half
3:01:0413:49 /mi+23.5%
Positive split — 23.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:0610:203.11 mi32:06
10:20
-
10K
1:04:5910:283.10 mi32:53
10:36
+0:16
15K
1:41:4410:553.11 mi36:45
11:50
+1:14
20K
2:18:2511:093.11 mi36:41
11:49
-0:01
Half(13.10 mi)
2:26:3911:120.67 mi8:14
12:17
+0:28
25K
3:01:2311:412.43 mi34:44
14:16
+1:59
30K
3:43:3312:003.11 mi42:10
13:35
-0:41
35K
4:29:3812:243.11 mi46:05
14:50
+1:15
40K
5:11:2212:323.10 mi41:44
13:26
-1:24
Finish(26.22 mi)
5:27:4312:311.37 mi16:21
12:00
-1:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:20 /mi

Average Pace

12:30 /mi

Slowest Pace

14:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:04:59

20% of race

Time at Steady Pace

1:38:01

30% of race

Time at Slower Pace

2:44:43

50% of race

Average Pace: 12:30 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi422161462114621475471786217862
10K3.10 mi41999+21714489+13214489+132420781459514595
15K3.11 mi44191-219215773-128415773-1284475471786217862
20K3.11 mi44989-79816320-54716320-547468211767117671
Half(13.10 mi)0.67 mi45117-12816413-9316413-93471261815018150
25K2.43 mi46950-183317653-124017653-1240520072114421144
30K3.11 mi46973-2317795-14217795-142471881860318603
35K3.11 mi47457-48418194-39918194-399498942056220562
40K3.10 mi47157+30018167+2718167+27449901818218182
Finish(26.22 mi)1.37 mi46798+35918004+16318004+163396961551115511

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×10story building
+49ft-125ft

Overall

47547

Females

17862

F40-44

17862

5K→10K

3.1 - 6.2 mi

Top 70%
×4story building
+50ft-81ft

Overall

42078

Females

14595

F40-44

14595

10K→15K

6.2 - 9.3 mi

Top 80%
×1story
+44ft-51ft

Overall

47547

Females

17862

F40-44

17862

15K→20K

9.3 - 12.4 mi

Top 78%
×3story building
+67ft-40ft

Overall

46821

Females

17671

F40-44

17671

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+8ft-27ft

Overall

47126

Females

18150

F40-44

18150

Half→25K

13.1 - 15.5 mi

Top 87%
×2story building
+50ft-63ft

Overall

52007

Females

21144

F40-44

21144

25K→30K

15.5 - 18.6 mi

Top 79%
×2story building
+69ft-46ft

Overall

47188

Females

18603

F40-44

18603

30K→35K

18.6 - 21.8 mi

Top 83%
×2story building
+87ft-88ft

Overall

49894

Females

20562

F40-44

20562

35K→40K

21.8 - 24.9 mi

Top 75%
×3story building
+58ft-75ft

Overall

44990

Females

18182

F40-44

18182

40K→Finish

24.9 - 26.2 mi

Top 66%
×1story
+14ft-18ft

Overall

39696

Females

15511

F40-44

15511

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#42216
5K → 10K
200417*+217
#42216 → #41999
10K → 15K
200146-2192
#41999 → #44191
15K → 20K
200200-798
#44191 → #44989
20K → Half
20095-128
#44989 → #45117
Half → 25K
200143-1833
#45117 → #46950
25K → 30K
523500-23
#46950 → #46973
30K → 35K
200200-484
#46973 → #47457
35K → 40K
200500*+300
#47457 → #47157
40K → Finish
22381*+359
#47157 → #46798
TOTALS
19452582*-4582
#42216 → #46798

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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