Adam Byallas

Bib: 81511 M GB

0:00
0:00
/ mi
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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
9:42/mi
30:07
49125
10K· 6.21 mi
10:12/mi
1:01:47
5081
15K· 9.32 mi
10:18/mi
1:33:45
4451
20K· 12.43 mi
10:27/mi
2:06:12
6740
Half· 13.10 mi
10:31/mi
2:13:15
27
25K· 15.53 mi
10:56/mi
2:39:51
5063
30K· 18.64 mi
10:57/mi
3:13:52
6946
35K· 21.75 mi
10:58/mi
3:47:54
8788
40K· 24.85 mi
9:58/mi
4:18:50
5875
Finish· 26.22 mi
9:59/mi
4:32:26
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
2:13:1510:11 /mi⚡ faster
2nd Half
2:19:1110:37 /mi+4.5%
Positive split — 4.5% slower in the second half
AI Race Performance Report

Adam'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
30:079:423.11 mi30:07
9:42
-
10K
1:01:479:573.10 mi31:40
10:12
+0:30
15K
1:33:4510:043.11 mi31:58
10:18
+0:06
20K
2:06:1210:103.11 mi32:27
10:27
+0:09
Half(13.10 mi)
2:13:1510:110.67 mi7:03
10:31
+0:04
25K
2:39:5110:182.43 mi26:36
10:56
+0:25
30K
3:13:5210:243.11 mi34:01
10:57
+0:01
35K
3:47:5410:293.11 mi34:02
10:58
+0:01
40K
4:18:5010:253.10 mi30:56
9:58
-1:00
Finish(26.22 mi)
4:32:2610:241.37 mi13:36
9:59
+0:01
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Adam's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:42 /mi

Average Pace

10:24 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:57:47

65% of race

Time at Steady Pace

1:34:39

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:23 /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 mi353832424624246354052415124151
10K3.10 mi36864-148124986-74024986-740383312566925669
15K3.11 mi36225+63924637+34924637+349354052415124151
20K3.11 mi36414-18924643-624643-6373922486224862
Half(13.10 mi)0.67 mi36280+13424544+9924544+99348742340823408
25K2.43 mi36233+4724386+15824386+158364452395123951
30K3.11 mi35355+87823743+64323743+643323462141221412
35K3.11 mi33858+149722695+104822695+1048280521844818448
40K3.10 mi31748+211021319+137621319+1376205781378313783
Finish(26.22 mi)1.37 mi31156+59220911+40820911+408228291503715037

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
131 ft55 ft
49ft125ft
117 ft

Overall

35405

Males

24151

M18-39

24151

5K→10K

3.1 - 6.2 mi

Top 64%
55 ft24 ft
50ft81ft
45 ft

Overall

38331

Males

25669

M18-39

25669

10K→15K

6.2 - 9.3 mi

Top 59%
24 ft18 ft
44ft51ft
17 ft

Overall

35405

Males

24151

M18-39

24151

15K→20K

9.3 - 12.4 mi

Top 63%
18 ft45 ft
67ft40ft
38 ft

Overall

37392

Males

24862

M18-39

24862

20K→Half

12.4 - 13.1 mi

Top 58%
45 ft26 ft
8ft27ft
20 ft

Overall

34874

Males

23408

M18-39

23408

Half→25K

13.1 - 15.5 mi

Top 61%
25 ft12 ft
50ft63ft
20 ft

Overall

36445

Males

23951

M18-39

23951

25K→30K

15.5 - 18.6 mi

Top 54%
12 ft35 ft
69ft46ft
28 ft

Overall

32346

Males

21412

M18-39

21412

30K→35K

18.6 - 21.8 mi

Top 47%
35 ft34 ft
87ft88ft
23 ft

Overall

28052

Males

18448

M18-39

18448

35K→40K

21.8 - 24.9 mi

Top 34%
34 ft17 ft
58ft75ft
31 ft

Overall

20578

Males

13783

M18-39

13783

40K→Finish

24.9 - 26.2 mi

Top 38%
17 ft13 ft
14ft18ft
13 ft

Overall

22829

Males

15037

M18-39

15037

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing