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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Justin Costanza

Bib: 1114 β€’M β€’Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 2%
Gender (Male)
#0 / 16340
Top 4%
Age Group (M18-39)
#0 / 5723
Top 11%
Race Day Weather
51Β°/41Β°F
overcast clouds
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  • Segment-by-segment breakdown
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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
18:13
3.11 mi
Rank: #764
Start β†’ 5K
18:13 | 5:52/mi
10K
36:25
6.21 mi
Rank: #810 (-46)
5K β†’ 10K
18:12 | 5:52/mi
15K
54:42
9.32 mi
Rank: #835 (-25)
10K β†’ 15K
18:17 | 5:54/mi
20K
1:13:04
12.43 mi
Rank: #812 (+23)
15K β†’ 20K
18:22 | 5:55/mi
HALF
1:17:07
13.11 mi
Rank: #837 (-25)
20K β†’ HALF
4:03 | 5:57/mi
25K
1:31:38
15.53 mi
Rank: #847 (-10)
HALF β†’ 25K
14:31 | 6:00/mi
30K
1:50:41
18.64 mi
Rank: #857 (-10)
25K β†’ 30K
19:03 | 6:08/mi
20M
1:58:58
20.00 mi
Rank: #850 (+7)
30K β†’ 20M
8:17 | 6:06/mi
21M
2:05:20
21.00 mi
Rank: #843 (+7)
20M β†’ 21M
6:22 | 6:22/mi
35K
2:09:43
21.75 mi
Rank: #826 (+17)
21M β†’ 35K
4:23 | 5:52/mi
23M
2:17:15
23.00 mi
Rank: #807 (+19)
35K β†’ 23M
7:32 | 6:02/mi
24M
2:23:06
24.00 mi
Rank: #781 (+26)
23M β†’ 24M
5:51 | 5:51/mi
40K
2:28:11
24.85 mi
Rank: #767 (+14)
24M β†’ 40K
5:05 | 5:57/mi
25.2M
2:30:28
25.20 mi
Rank: #763 (+4)
40K β†’ 25.2M
2:17 | 6:38/mi
FINISH
2:36:03
26.22 mi
Rank: #724 (+39)
25.2M β†’ FINISH
5:35 | 5:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:17:07
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:18:56
Pace6:02 /mi
πŸ“ŠPositive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2218:135:5218:13
5:52
-
10K
6.21 mi10:36:3436:255:5218:12
5:52
0:00
15K
9.32 mi10:54:5154:425:5318:17
5:54
+0:02
20K
12.43 mi11:13:131:13:045:5318:22
5:55
+0:01
HALF
13.11 mi11:17:161:17:075:534:03
5:57
+0:02
25K
15.53 mi11:31:471:31:385:5414:31
6:00
+0:03
30K
18.64 mi11:50:501:50:415:5719:03
6:08
+0:08
20M
20.00 mi11:59:071:58:585:578:17
6:06
-0:02
21M
21.00 mi12:05:292:05:205:596:22
6:22
+0:16
35K
21.75 mi12:09:522:09:435:584:23
5:52
-0:30
23M
23.00 mi12:17:242:17:155:597:32
6:02
+0:10
24M
24.00 mi12:23:152:23:065:585:51
5:51
-0:11
40K
24.85 mi12:28:202:28:115:585:05
5:57
+0:06
25.2M
25.20 mi12:30:372:30:285:592:17
6:38
+0:41
FINISH
26.22 mi12:36:122:36:035:585:35
5:29
-1:09

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

5:29 /mi

Average Pace

5:57 /mi

Slowest Pace

6:38 /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

5:35

4% of race

Time at Steady Pace

1:54:29

73% of race

Time at Slower Pace

35:59

23% of race

Average Pace: 5:57 /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 mi10:18:2218:135:5218:13
5:52
#764
10K
6.21 mi10:36:3436:255:5218:12
5:52
#810
15K
9.32 mi10:54:5154:425:5318:17
5:54
#835
20K
12.43 mi11:13:131:13:045:5318:22
5:55
#812
HALF
13.11 mi11:17:161:17:075:534:03
5:57
#837
25K
15.53 mi11:31:471:31:385:5414:31
6:00
#847
30K
18.64 mi11:50:501:50:415:5719:03
6:08
#857
20M
20.00 mi11:59:071:58:585:578:17
6:06
#850
21M
21.00 mi12:05:292:05:205:596:22
6:22
#843
35K
21.75 mi12:09:522:09:435:584:23
5:52
#826
23M
23.00 mi12:17:242:17:155:597:32
6:02
#807
24M
24.00 mi12:23:152:23:065:585:51
5:51
#781
40K
24.85 mi12:28:202:28:115:585:05
5:57
#767
25.2M
25.20 mi12:30:372:30:285:592:17
6:38
#763
FINISH
26.22 mi12:36:122:36:035:585:35
5:29
#724
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 mi764723723918(Top 3%)882(Top 5%)882(Top 15%)
10K6.21 mi3.10 mi810-46772-49772-49864(Top 3%)826(Top 5%)826(Top 14%)
15K9.32 mi3.11 mi835-25799-27799-27918(Top 3%)882(Top 5%)882(Top 15%)
20K12.43 mi3.11 mi812+23777+22777+22856(Top 3%)824(Top 5%)824(Top 14%)
HALF13.11 mi0.68 mi837-25802-25802-251262(Top 4%)1215(Top 7%)1215(Top 21%)
25K15.53 mi2.42 mi847-10809-7809-71034(Top 4%)992(Top 6%)992(Top 17%)
30K18.64 mi3.11 mi857-10820-11820-111067(Top 4%)1025(Top 6%)1025(Top 18%)
20M20.00 mi1.36 mi850+7813+7813+7925(Top 3%)889(Top 5%)889(Top 16%)
21M21.00 mi1.00 mi843+7806+7806+7915(Top 3%)879(Top 5%)879(Top 15%)
35K21.75 mi0.75 mi826+17791+15791+15807(Top 3%)772(Top 5%)772(Top 13%)
23M23.00 mi1.25 mi807+19773+18773+18742(Top 3%)709(Top 4%)709(Top 12%)
24M24.00 mi1.00 mi781+26749+24749+24701(Top 2%)669(Top 4%)669(Top 12%)
40K24.85 mi0.85 mi767+14735+14735+14673(Top 2%)642(Top 4%)642(Top 11%)
25.2M25.20 mi0.35 mi763+4731+4731+41336(Top 5%)1257(Top 8%)1257(Top 22%)
FINISH26.22 mi1.02 mi724+39693+38693+38320(Top 1%)305(Top 2%)305(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

918

Males

882

M18-39

882

5K→10K

3.1 - 6.2 mi

Top 3%
Γ—5
+79ft-138ft

Overall

864

Males

826

M18-39

826

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

918

Males

882

M18-39

882

15K→20K

9.3 - 12.4 mi

Top 3%
Γ—5
+106ft-86ft

Overall

856

Males

824

M18-39

824

20K→HALF

12.4 - 13.1 mi

Top 4%
Γ—2
+19ft-37ft

Overall

1262

Males

1215

M18-39

1215

HALF→25K

13.1 - 15.5 mi

Top 4%
Γ—4
+66ft-88ft

Overall

1034

Males

992

M18-39

992

25K→30K

15.5 - 18.6 mi

Top 4%
Γ—9
+181ft-148ft

Overall

1067

Males

1025

M18-39

1025

30K→20M

18.6 - 20.0 mi

Top 3%
Γ—5
+64ft-50ft

Overall

925

Males

889

M18-39

889

20M→21M

20.0 - 21.0 mi

Top 3%
Γ—8
+106ft-24ft

Overall

915

Males

879

M18-39

879

21M→35K

21.0 - 21.8 mi

Top 3%
Γ—7
+17ft-86ft

Overall

807

Males

772

M18-39

772

35K→23M

21.8 - 23.0 mi

Top 3%
Γ—5
+23ft-63ft

Overall

742

Males

709

M18-39

709

23M→24M

23.0 - 24.0 mi

Top 2%
Γ—6
+12ft-82ft

Overall

701

Males

669

M18-39

669

24M→40K

24.0 - 24.9 mi

Top 2%
Γ—1
+6ft-20ft

Overall

673

Males

642

M18-39

642

40K→25.2M

24.9 - 25.2 mi

Top 5%
Γ—1
+13ft-16ft

Overall

1336

Males

1257

M18-39

1257

25.2M→FINISH

25.2 - 26.2 mi

Top 1%
Γ—2
+22ft-21ft

Overall

320

Males

305

M18-39

305

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
330
Passed By
290
Net Change
+40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#764
5K β†’ 10K2773-46#764#810
10K β†’ 15K1843-25#810#835
15K β†’ 20K3411+23#835#812
20K β†’ HALF126-25#812#837
HALF β†’ 25K2131-10#837#847
25K β†’ 30K3545-10#847#857
30K β†’ 20M1912+7#857#850
20M β†’ 21M2215+7#850#843
21M β†’ 35K247+17#843#826
35K β†’ 23M3112+19#826#807
23M β†’ 24M315+26#807#781
24M β†’ 40K184+14#781#767
40K β†’ 25.2M95+4#767#763
25.2M β†’ FINISH401+39#763#724
TOTALS330290+40
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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Export & Support

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