Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Brendan Costin

Bib: 7593 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 20%
Gender (Male)
#0 / 16340
Top 32%
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
20:57
3.11 mi
Rank: #6314
Start β†’ 5K
20:57 | 6:45/mi
10K
42:01
6.21 mi
Rank: #6516 (-202)
5K β†’ 10K
21:04 | 6:47/mi
15K
1:02:53
9.32 mi
Rank: #6306 (+210)
10K β†’ 15K
20:52 | 6:43/mi
20K
1:24:02
12.43 mi
Rank: #6249 (+57)
15K β†’ 20K
21:09 | 6:49/mi
HALF
1:28:40
13.11 mi
Rank: #6294 (-45)
20K β†’ HALF
4:38 | 6:48/mi
25K
1:45:09
15.53 mi
Rank: #6166 (+128)
HALF β†’ 25K
16:29 | 6:48/mi
30K
2:06:34
18.64 mi
Rank: #5917 (+249)
25K β†’ 30K
21:25 | 6:54/mi
20M
2:16:04
20.00 mi
Rank: #5874 (+43)
30K β†’ 20M
9:30 | 7:00/mi
21M
2:23:21
21.00 mi
Rank: #5812 (+62)
20M β†’ 21M
7:17 | 7:17/mi
35K
2:28:27
21.75 mi
Rank: #5806 (+6)
21M β†’ 35K
5:06 | 6:50/mi
23M
2:37:21
23.00 mi
Rank: #5808 (-2)
35K β†’ 23M
8:54 | 7:07/mi
24M
2:44:15
24.00 mi
Rank: #5785 (+23)
23M β†’ 24M
6:54 | 6:54/mi
40K
2:50:28
24.85 mi
Rank: #5820 (-35)
24M β†’ 40K
6:13 | 7:17/mi
25.2M
2:53:10
25.20 mi
Rank: #5849 (-29)
40K β†’ 25.2M
2:42 | 7:50/mi
FINISH
3:00:04
26.22 mi
Rank: #5868 (-19)
25.2M β†’ FINISH
6:54 | 6:47/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:31:24
Pace6:59 /mi
πŸ“ŠPositive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5720:576:4520:57
6:45
-
10K
6.21 mi10:48:0142:016:4621:04
6:47
+0:02
15K
9.32 mi11:08:531:02:536:4520:52
6:43
-0:04
20K
12.43 mi11:30:021:24:026:4621:09
6:49
+0:06
HALF
13.11 mi11:34:401:28:406:464:38
6:48
-0:01
25K
15.53 mi11:51:091:45:096:4716:29
6:48
0:00
30K
18.64 mi12:12:342:06:346:4821:25
6:54
+0:06
20M
20.00 mi12:22:042:16:046:499:30
7:00
+0:06
21M
21.00 mi12:29:212:23:216:507:17
7:17
+0:17
35K
21.75 mi12:34:272:28:276:505:06
6:50
-0:27
23M
23.00 mi12:43:212:37:216:518:54
7:07
+0:17
24M
24.00 mi12:50:152:44:156:516:54
6:54
-0:13
40K
24.85 mi12:56:282:50:286:526:13
7:17
+0:23
25.2M
25.20 mi12:59:102:53:106:532:42
7:50
+0:33
FINISH
26.22 mi13:06:043:00:046:536:54
6:47
-1:03

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

6:43 /mi

Average Pace

6:52 /mi

Slowest Pace

7:50 /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

2:57:22

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:26:5720:576:4520:57
6:45
#6314
10K
6.21 mi10:48:0142:016:4621:04
6:47
#6516
15K
9.32 mi11:08:531:02:536:4520:52
6:43
#6306
20K
12.43 mi11:30:021:24:026:4621:09
6:49
#6249
HALF
13.11 mi11:34:401:28:406:464:38
6:48
#6294
25K
15.53 mi11:51:091:45:096:4716:29
6:48
#6166
30K
18.64 mi12:12:342:06:346:4821:25
6:54
#5917
20M
20.00 mi12:22:042:16:046:499:30
7:00
#5874
21M
21.00 mi12:29:212:23:216:507:17
7:17
#5812
35K
21.75 mi12:34:272:28:276:505:06
6:50
#5806
23M
23.00 mi12:43:212:37:216:518:54
7:07
#5808
24M
24.00 mi12:50:152:44:156:516:54
6:54
#5785
40K
24.85 mi12:56:282:50:286:526:13
7:17
#5820
25.2M
25.20 mi12:59:102:53:106:532:42
7:50
#5849
FINISH
26.22 mi13:06:043:00:046:536:54
6:47
#5868
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 mi6314571557155984(Top 21%)5419(Top 33%)5419(Top 95%)
10K6.21 mi3.10 mi6516-2025861-1465861-1466764(Top 23%)6020(Top 37%)6020(Top 105%)
15K9.32 mi3.11 mi6306+2105706+1555706+1555984(Top 21%)5419(Top 33%)5419(Top 95%)
20K12.43 mi3.11 mi6249+575650+565650+566273(Top 22%)5615(Top 34%)5615(Top 98%)
HALF13.11 mi0.68 mi6294-455682-325682-327020(Top 24%)6169(Top 38%)6169(Top 108%)
25K15.53 mi2.42 mi6166+1285570+1125570+1125766(Top 20%)5192(Top 32%)5192(Top 91%)
30K18.64 mi3.11 mi5917+2495355+2155355+2155113(Top 18%)4621(Top 28%)4621(Top 81%)
20M20.00 mi1.36 mi5874+435311+445311+445498(Top 19%)4883(Top 30%)4883(Top 85%)
21M21.00 mi1.00 mi5812+625246+655246+655163(Top 18%)4527(Top 28%)4527(Top 79%)
35K21.75 mi0.75 mi5806+65230+165230+165798(Top 20%)5019(Top 31%)5019(Top 88%)
23M23.00 mi1.25 mi5808-25225+55225+56201(Top 21%)5237(Top 32%)5237(Top 92%)
24M24.00 mi1.00 mi5785+235196+295196+295781(Top 20%)4883(Top 30%)4883(Top 85%)
40K24.85 mi0.85 mi5820-355220-245220-247209(Top 25%)5715(Top 35%)5715(Top 100%)
25.2M25.20 mi0.35 mi5849-295237-175237-177181(Top 25%)5627(Top 34%)5627(Top 98%)
FINISH26.22 mi1.02 mi5868-195243-65243-65896(Top 20%)4797(Top 29%)4797(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
Γ—21
+97ft-345ft

Overall

5984

Males

5419

M18-39

5419

5K→10K

3.1 - 6.2 mi

Top 23%
Γ—5
+79ft-138ft

Overall

6764

Males

6020

M18-39

6020

10K→15K

6.2 - 9.3 mi

Top 21%
Γ—3
+67ft-78ft

Overall

5984

Males

5419

M18-39

5419

15K→20K

9.3 - 12.4 mi

Top 22%
Γ—5
+106ft-86ft

Overall

6273

Males

5615

M18-39

5615

20K→HALF

12.4 - 13.1 mi

Top 24%
Γ—2
+19ft-37ft

Overall

7020

Males

6169

M18-39

6169

HALF→25K

13.1 - 15.5 mi

Top 20%
Γ—4
+66ft-88ft

Overall

5766

Males

5192

M18-39

5192

25K→30K

15.5 - 18.6 mi

Top 18%
Γ—9
+181ft-148ft

Overall

5113

Males

4621

M18-39

4621

30K→20M

18.6 - 20.0 mi

Top 19%
Γ—5
+64ft-50ft

Overall

5498

Males

4883

M18-39

4883

20M→21M

20.0 - 21.0 mi

Top 18%
Γ—8
+106ft-24ft

Overall

5163

Males

4527

M18-39

4527

21M→35K

21.0 - 21.8 mi

Top 20%
Γ—7
+17ft-86ft

Overall

5798

Males

5019

M18-39

5019

35K→23M

21.8 - 23.0 mi

Top 21%
Γ—5
+23ft-63ft

Overall

6201

Males

5237

M18-39

5237

23M→24M

23.0 - 24.0 mi

Top 20%
Γ—6
+12ft-82ft

Overall

5781

Males

4883

M18-39

4883

24M→40K

24.0 - 24.9 mi

Top 25%
Γ—1
+6ft-20ft

Overall

7209

Males

5715

M18-39

5715

40K→25.2M

24.9 - 25.2 mi

Top 25%
Γ—1
+13ft-16ft

Overall

7181

Males

5627

M18-39

5627

25.2M→FINISH

25.2 - 26.2 mi

Top 20%
Γ—2
+22ft-21ft

Overall

5896

Males

4797

M18-39

4797

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1512*
Passed By
944
Net Change
+446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#6314
5K β†’ 10K120200-202#6314#6516
10K β†’ 15K258*48+210#6516#6306
15K β†’ 20K168111+57#6306#6249
20K β†’ HALF1156-45#6249#6294
HALF β†’ 25K16032+128#6294#6166
25K β†’ 30K286*37+249#6166#5917
30K β†’ 20M8441+43#5917#5874
20M β†’ 21M9937+62#5874#5812
21M β†’ 35K4236+6#5812#5806
35K β†’ 23M8789-2#5806#5808
23M β†’ 24M7350+23#5808#5785
24M β†’ 40K4883-35#5785#5820
40K β†’ 25.2M1847-29#5820#5849
25.2M β†’ FINISH5877-19#5849#5868
TOTALS1512*944+446

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

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

Activity Data

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