Sebastian Briggs

Bib: 41611 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 32%
Gender (Male)
#0 / 33594
Top 41%
Masters (Masters Men)
#0 / 16876
Top 37%
Division (M55-59)
#0 / 2251
Top 29%
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
8:07/mi
25:13
49125
10K· 6.21 mi
8:16/mi
50:54
5081
15K· 9.32 mi
8:35/mi
1:17:33
4451
20K· 12.43 mi
8:31/mi
1:44:00
6740
Half· 13.10 mi
8:42/mi
1:49:50
27
25K· 15.53 mi
8:48/mi
2:11:16
5063
30K· 18.64 mi
9:09/mi
2:39:40
6946
35K· 21.75 mi
10:18/mi
3:11:38
8788
40K· 24.85 mi
10:34/mi
3:44:26
5875
Finish· 26.22 mi
9:29/mi
3:57:22
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half
1:49:508:24 /mi⚡ faster
2nd Half
2:07:329:44 /mi+16.1%
Positive split — 16.1% slower in the second half
AI Race Performance Report

Sebastian'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.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:138:073.11 mi25:13
8:07
-
10K
50:548:123.10 mi25:41
8:16
+0:09
15K
1:17:338:203.11 mi26:39
8:35
+0:19
20K
1:44:008:233.11 mi26:27
8:31
-0:04
Half(13.10 mi)
1:49:508:240.67 mi5:50
8:42
+0:11
25K
2:11:168:282.43 mi21:26
8:48
+0:06
30K
2:39:408:343.11 mi28:24
9:09
+0:21
35K
3:11:388:493.11 mi31:58
10:18
+1:09
40K
3:44:269:023.10 mi32:48
10:34
+0:16
Finish(26.22 mi)
3:57:229:041.37 mi12:56
9:29
-1:05
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sebastian's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:07 /mi

Average Pace

9:04 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

50:54

21% of race

Time at Steady Pace

1:48:46

46% of race

Time at Slower Pace

1:17:42

33% of race

Average Pace: 9:03 /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. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi155211179111791169661278512785
10K3.10 mi15799-27811952-16111952-161161111217912179
15K3.11 mi16155-35612216-26412216-264169661278512785
20K3.11 mi16561-40612500-28412500-284180871348513485
Half(13.10 mi)0.67 mi16592-3112510-1012510-10174901306313063
25K2.43 mi16826-23412621-11112621-111185521366413664
30K3.11 mi16988-16212643-2212643-22185451343913439
35K3.11 mi18073-108513275-63213275-632237251609216092
40K3.10 mi19122-104913760-48513760-485247241608716087
Finish(26.22 mi)1.37 mi19083+3913678+8213678+82188471269612696

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
131 ft55 ft
49ft125ft
117 ft

Overall

16966

Males

12785

M55-59

12785

5K→10K

3.1 - 6.2 mi

Top 27%
55 ft24 ft
50ft81ft
45 ft

Overall

16111

Males

12179

M55-59

12179

10K→15K

6.2 - 9.3 mi

Top 28%
24 ft18 ft
44ft51ft
17 ft

Overall

16966

Males

12785

M55-59

12785

15K→20K

9.3 - 12.4 mi

Top 30%
18 ft45 ft
67ft40ft
38 ft

Overall

18087

Males

13485

M55-59

13485

20K→Half

12.4 - 13.1 mi

Top 29%
45 ft26 ft
8ft27ft
20 ft

Overall

17490

Males

13063

M55-59

13063

Half→25K

13.1 - 15.5 mi

Top 31%
25 ft12 ft
50ft63ft
20 ft

Overall

18552

Males

13664

M55-59

13664

25K→30K

15.5 - 18.6 mi

Top 31%
12 ft35 ft
69ft46ft
28 ft

Overall

18545

Males

13439

M55-59

13439

30K→35K

18.6 - 21.8 mi

Top 40%
35 ft34 ft
87ft88ft
23 ft

Overall

23725

Males

16092

M55-59

16092

35K→40K

21.8 - 24.9 mi

Top 41%
34 ft17 ft
58ft75ft
31 ft

Overall

24724

Males

16087

M55-59

16087

40K→Finish

24.9 - 26.2 mi

Top 32%
17 ft13 ft
14ft18ft
13 ft

Overall

18847

Males

12696

M55-59

12696

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing