Thomas Webb

Bib: 36432 M GB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 59786
Gender (Male)
#0 / 33594
Division (M18-39)
#0 / 16712
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
12:59/mi
40:18
49125
10K· 6.21 mi
14:17/mi
1:24:40
5081
15K· 9.32 mi
14:41/mi
2:10:15
4451
20K· 12.43 mi
15:27/mi
2:58:15
6740
Half· 13.10 mi
15:50/mi
3:08:52
27
25K· 15.53 mi
16:21/mi
3:48:41
5063
30K· 18.64 mi
16:39/mi
4:40:24
6946
35K· 21.75 mi
18:53/mi
5:39:01
8788
40K· 24.85 mi
21:19/mi
6:45:12
5875
Finish· 26.22 mi
19:32/mi
7:11:50
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

See every mile of your race

Claim this result to add your watch's GPX and 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
3:08:5214:26 /mi⚡ faster
2nd Half
4:02:5818:32 /mi+28.6%
Positive split — 28.6% slower in the second half
AI Race Performance Report

Thomas's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
40:1812:593.11 mi40:18
12:59
-
10K
1:24:4013:383.10 mi44:22
14:17
+1:18
15K
2:10:1513:593.11 mi45:35
14:41
+0:24
20K
2:58:1514:213.11 mi48:00
15:27
+0:46
Half(13.10 mi)
3:08:5214:260.67 mi10:37
15:50
+0:23
25K
3:48:4114:442.43 mi39:49
16:21
+0:31
30K
4:40:2415:033.11 mi51:43
16:39
+0:18
35K
5:39:0115:363.11 mi58:37
18:53
+2:14
40K
6:45:1216:193.10 mi1:06:11
21:19
+2:26
Finish(26.22 mi)
7:11:5016:291.37 mi26:38
19:32
-1:47
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Thomas's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Checkpoints & Pacing

Pace Line

Fastest Pace

12:59 /mi

Average Pace

16:29 /mi

Slowest Pace

21:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:10:15

30% of race

Time at Steady Pace

2:30:09

35% of race

Time at Slower Pace

2:31:26

35% of race

Average Pace: 16:28 /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. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi570793292632926570053284332843
10K3.10 mi57518-43933028-10233028-102577303306233062
15K3.11 mi57413+10532987+4132987+41570053284332843
20K3.11 mi57463-5032976+1132976+11573953290432904
Half(13.10 mi)0.67 mi57471-832974+232974+2572263269732697
25K2.43 mi57370+10132938+3632938+36564493250632506
30K3.11 mi57322+4832887+5132887+51564683241332413
35K3.11 mi57690-36832999-11232999-112584533305033050
40K3.10 mi58298-60833180-18133180-181594643346233462
Finish(26.22 mi)1.37 mi58430-13233210-3033210-30591943333933339

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
131 ft55 ft
49ft125ft
117 ft

Overall

57005

Males

32843

M18-39

32843

5K→10K

3.1 - 6.2 mi

Top 97%
55 ft24 ft
50ft81ft
45 ft

Overall

57730

Males

33062

M18-39

33062

10K→15K

6.2 - 9.3 mi

Top 95%
24 ft18 ft
44ft51ft
17 ft

Overall

57005

Males

32843

M18-39

32843

15K→20K

9.3 - 12.4 mi

Top 96%
18 ft45 ft
67ft40ft
38 ft

Overall

57395

Males

32904

M18-39

32904

20K→Half

12.4 - 13.1 mi

Top 96%
45 ft26 ft
8ft27ft
20 ft

Overall

57226

Males

32697

M18-39

32697

Half→25K

13.1 - 15.5 mi

Top 94%
25 ft12 ft
50ft63ft
20 ft

Overall

56449

Males

32506

M18-39

32506

25K→30K

15.5 - 18.6 mi

Top 94%
12 ft35 ft
69ft46ft
28 ft

Overall

56468

Males

32413

M18-39

32413

30K→35K

18.6 - 21.8 mi

Top 98%
35 ft34 ft
87ft88ft
23 ft

Overall

58453

Males

33050

M18-39

33050

35K→40K

21.8 - 24.9 mi

Top 99%
34 ft17 ft
58ft75ft
31 ft

Overall

59464

Males

33462

M18-39

33462

40K→Finish

24.9 - 26.2 mi

Top 99%
17 ft13 ft
14ft18ft
13 ft

Overall

59194

Males

33339

M18-39

33339

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing