Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Liam Smith

Bib: 7907 β€’M β€’Age: N/A

MI

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
28:01
3.11 mi
Rank: #22741
Start β†’ 5K
28:01 | 9:02/mi
10K
56:21
6.21 mi
Rank: #23021 (-280)
5K β†’ 10K
28:20 | 9:08/mi
15K
1:25:27
9.32 mi
Rank: #23441 (-420)
10K β†’ 15K
29:06 | 9:22/mi
20K
1:54:42
12.43 mi
Rank: #23472 (-31)
15K β†’ 20K
29:15 | 9:25/mi
HALF
2:01:05
13.11 mi
Rank: #23511 (-39)
20K β†’ HALF
6:23 | 9:22/mi
25K
2:24:46
15.53 mi
Rank: #23512 (-1)
HALF β†’ 25K
23:41 | 9:46/mi
30K
2:56:07
18.64 mi
Rank: #23485 (+27)
25K β†’ 30K
31:21 | 10:06/mi
20M
3:10:20
20.00 mi
Rank: #23492 (-7)
30K β†’ 20M
14:13 | 10:28/mi
21M
3:21:08
21.00 mi
Rank: #23418 (+74)
20M β†’ 21M
10:48 | 10:48/mi
35K
3:28:50
21.75 mi
Rank: #23424 (-6)
21M β†’ 35K
7:42 | 10:18/mi
23M
3:42:06
23.00 mi
Rank: #23437 (-13)
35K β†’ 23M
13:16 | 10:37/mi
24M
3:52:29
24.00 mi
Rank: #23438 (-1)
23M β†’ 24M
10:23 | 10:23/mi
40K
4:01:31
24.85 mi
Rank: #23418 (+20)
24M β†’ 40K
9:02 | 10:34/mi
25.2M
4:05:20
25.20 mi
Rank: #23391 (+27)
40K β†’ 25.2M
3:49 | 11:05/mi
FINISH
4:15:13
26.22 mi
Rank: #23351 (+40)
25.2M β†’ FINISH
9:53 | 9:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:01:05
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:14:08
Pace10:14 /mi
πŸ“ŠPositive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0328:019:0228:01
9:02
-
10K
6.21 mi11:04:2356:219:0528:20
9:08
+0:06
15K
9.32 mi11:33:291:25:279:1129:06
9:22
+0:14
20K
12.43 mi12:02:441:54:429:1429:15
9:25
+0:03
HALF
13.11 mi12:09:072:01:059:156:23
9:22
-0:03
25K
15.53 mi12:32:482:24:469:2023:41
9:46
+0:24
30K
18.64 mi13:04:092:56:079:2731:21
10:06
+0:20
20M
20.00 mi13:18:223:10:209:3214:13
10:28
+0:22
21M
21.00 mi13:29:103:21:089:3510:48
10:48
+0:20
35K
21.75 mi13:36:523:28:509:377:42
10:18
-0:30
23M
23.00 mi13:50:083:42:069:4013:16
10:37
+0:19
24M
24.00 mi14:00:313:52:299:4210:23
10:23
-0:14
40K
24.85 mi14:09:334:01:319:449:02
10:34
+0:11
25.2M
25.20 mi14:13:224:05:209:453:49
11:05
+0:31
FINISH
26.22 mi14:23:154:15:139:459:53
9:42
-1:23

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:02 /mi

Average Pace

9:44 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:34:39

61% of race

Time at Steady Pace

49:26

19% of race

Time at Slower Pace

51:08

20% of race

Average Pace: 9:44 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:36:0328:019:0228:01
9:02
#22741
10K
6.21 mi11:04:2356:219:0528:20
9:08
#23021
15K
9.32 mi11:33:291:25:279:1129:06
9:22
#23441
20K
12.43 mi12:02:441:54:429:1429:15
9:25
#23472
HALF
13.11 mi12:09:072:01:059:156:23
9:22
#23511
25K
15.53 mi12:32:482:24:469:2023:41
9:46
#23512
30K
18.64 mi13:04:092:56:079:2731:21
10:06
#23485
20M
20.00 mi13:18:223:10:209:3214:13
10:28
#23492
21M
21.00 mi13:29:103:21:089:3510:48
10:48
#23418
35K
21.75 mi13:36:523:28:509:377:42
10:18
#23424
23M
23.00 mi13:50:083:42:069:4013:16
10:37
#23437
24M
24.00 mi14:00:313:52:299:4210:23
10:23
#23438
40K
24.85 mi14:09:334:01:319:449:02
10:34
#23418
25.2M
25.20 mi14:13:224:05:209:453:49
11:05
#23391
FINISH
26.22 mi14:23:154:15:139:459:53
9:42
#23351
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22741136091360924033(Top 83%)14274(Top 87%)14274(Top 249%)
10K6.21 mi3.10 mi23021-28013747-13813747-13823314(Top 80%)13909(Top 85%)13909(Top 243%)
15K9.32 mi3.11 mi23441-42013963-21613963-21624033(Top 83%)14274(Top 87%)14274(Top 249%)
20K12.43 mi3.11 mi23472-3113980-1713980-1723473(Top 81%)13945(Top 85%)13945(Top 244%)
HALF13.11 mi0.68 mi23511-3914007-2714007-2723967(Top 83%)14195(Top 87%)14195(Top 248%)
25K15.53 mi2.42 mi23512-113984+2313984+2323722(Top 82%)14052(Top 86%)14052(Top 246%)
30K18.64 mi3.11 mi23485+2713933+5113933+5123345(Top 80%)13774(Top 84%)13774(Top 241%)
20M20.00 mi1.36 mi23492-713924+913924+923765(Top 82%)13884(Top 85%)13884(Top 243%)
21M21.00 mi1.00 mi23418+7413874+5013874+5022672(Top 78%)13344(Top 82%)13344(Top 233%)
35K21.75 mi0.75 mi23424-613870+413870+423856(Top 82%)13857(Top 85%)13857(Top 242%)
23M23.00 mi1.25 mi23437-1313866+413866+423610(Top 81%)13684(Top 84%)13684(Top 239%)
24M24.00 mi1.00 mi23438-113861+513861+523795(Top 82%)13744(Top 84%)13744(Top 240%)
40K24.85 mi0.85 mi23418+2013838+2313838+2323372(Top 81%)13481(Top 83%)13481(Top 236%)
25.2M25.20 mi0.35 mi23391+2713819+1913819+1922523(Top 78%)13092(Top 80%)13092(Top 229%)
FINISH26.22 mi1.02 mi23351+4013785+3413785+3422961(Top 79%)13295(Top 81%)13295(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
Γ—21
+97ft-345ft

Overall

24033

Males

14274

M18-39

14274

5K→10K

3.1 - 6.2 mi

Top 80%
Γ—5
+79ft-138ft

Overall

23314

Males

13909

M18-39

13909

10K→15K

6.2 - 9.3 mi

Top 83%
Γ—3
+67ft-78ft

Overall

24033

Males

14274

M18-39

14274

15K→20K

9.3 - 12.4 mi

Top 81%
Γ—5
+106ft-86ft

Overall

23473

Males

13945

M18-39

13945

20K→HALF

12.4 - 13.1 mi

Top 83%
Γ—2
+19ft-37ft

Overall

23967

Males

14195

M18-39

14195

HALF→25K

13.1 - 15.5 mi

Top 82%
Γ—4
+66ft-88ft

Overall

23722

Males

14052

M18-39

14052

25K→30K

15.5 - 18.6 mi

Top 80%
Γ—9
+181ft-148ft

Overall

23345

Males

13774

M18-39

13774

30K→20M

18.6 - 20.0 mi

Top 82%
Γ—5
+64ft-50ft

Overall

23765

Males

13884

M18-39

13884

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22672

Males

13344

M18-39

13344

21M→35K

21.0 - 21.8 mi

Top 82%
Γ—7
+17ft-86ft

Overall

23856

Males

13857

M18-39

13857

35K→23M

21.8 - 23.0 mi

Top 81%
Γ—5
+23ft-63ft

Overall

23610

Males

13684

M18-39

13684

23M→24M

23.0 - 24.0 mi

Top 82%
Γ—6
+12ft-82ft

Overall

23795

Males

13744

M18-39

13744

24M→40K

24.0 - 24.9 mi

Top 81%
Γ—1
+6ft-20ft

Overall

23372

Males

13481

M18-39

13481

40K→25.2M

24.9 - 25.2 mi

Top 78%
Γ—1
+13ft-16ft

Overall

22523

Males

13092

M18-39

13092

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
Γ—2
+22ft-21ft

Overall

22961

Males

13295

M18-39

13295

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1136
Passed By
1241
Net Change
-610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#22741
5K β†’ 10K149200-280#22741#23021
10K β†’ 15K56200-420#23021#23441
15K β†’ 20K150181-31#23441#23472
20K β†’ HALF1655-39#23472#23511
HALF β†’ 25K114115-1#23511#23512
25K β†’ 30K156129+27#23512#23485
30K β†’ 20M7279-7#23485#23492
20M β†’ 21M10329+74#23492#23418
21M β†’ 35K4753-6#23418#23424
35K β†’ 23M6174-13#23424#23437
23M β†’ 24M5859-1#23437#23438
24M β†’ 40K5636+20#23438#23418
40K β†’ 25.2M347+27#23418#23391
25.2M β†’ FINISH6424+40#23391#23351
TOTALS11361241-610
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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