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BOSTON MARATHON 2026

Matthew Duca

Bib: 31143•M

MA

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°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
28:04
3.11 mi
Rank: #22818
Start → 5K
28:04 | 9:03/mi
10K
55:17
6.21 mi
Rank: #22276 (+542)
5K → 10K
27:13 | 8:46/mi
15K
1:23:03
9.32 mi
Rank: #22308 (-32)
10K → 15K
27:46 | 8:57/mi
20K
1:52:20
12.43 mi
Rank: #22662 (-354)
15K → 20K
29:17 | 9:26/mi
HALF
1:58:47
13.11 mi
Rank: #22781 (-119)
20K → HALF
6:27 | 9:28/mi
25K
2:22:58
15.53 mi
Rank: #23109 (-328)
HALF → 25K
24:11 | 9:59/mi
30K
2:55:37
18.64 mi
Rank: #23402 (-293)
25K → 30K
32:39 | 10:31/mi
20M
3:10:03
20.00 mi
Rank: #23438 (-36)
30K → 20M
14:26 | 10:38/mi
21M
3:21:27
21.00 mi
Rank: #23473 (-35)
20M → 21M
11:24 | 11:24/mi
35K
3:29:17
21.75 mi
Rank: #23486 (-13)
21M → 35K
7:50 | 10:29/mi
23M
3:42:50
23.00 mi
Rank: #23538 (-52)
35K → 23M
13:33 | 10:50/mi
24M
3:53:36
24.00 mi
Rank: #23577 (-39)
23M → 24M
10:46 | 10:46/mi
40K
4:02:46
24.85 mi
Rank: #23558 (+19)
24M → 40K
9:10 | 10:44/mi
25.2M
4:06:46
25.20 mi
Rank: #23555 (+3)
40K → 25.2M
4:00 | 11:36/mi
FINISH
4:17:00
26.22 mi
Rank: #23571 (-16)
25.2M → FINISH
10:14 | 10:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:47
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:18:13
Pace10:33 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5228:049:0328:04
9:03
-
10K
6.21 mi12:23:0555:178:5427:13
8:46
-0:17
15K
9.32 mi12:50:511:23:038:5527:46
8:57
+0:11
20K
12.43 mi13:20:081:52:209:0329:17
9:26
+0:29
HALF
13.11 mi13:26:351:58:479:046:27
9:28
+0:02
25K
15.53 mi13:50:462:22:589:1324:11
9:59
+0:31
30K
18.64 mi14:23:252:55:379:2632:39
10:31
+0:32
20M
20.00 mi14:37:513:10:039:3114:26
10:38
+0:07
21M
21.00 mi14:49:153:21:279:3611:24
11:24
+0:46
35K
21.75 mi14:57:053:29:179:387:50
10:29
-0:55
23M
23.00 mi15:10:383:42:509:4213:33
10:50
+0:21
24M
24.00 mi15:21:243:53:369:4510:46
10:46
-0:04
40K
24.85 mi15:30:344:02:469:479:10
10:44
-0:02
25.2M
25.20 mi15:34:344:06:469:484:00
11:36
+0:52
FINISH
26.22 mi15:44:484:17:009:4910:14
10:03
-1:33

Checkpoint Splits Visualizations

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

📈Pace 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

8:46 /mi

Average Pace

9:49 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:33:12

60% of race

Time at Steady Pace

1:28:24

34% of race

Time at Slower Pace

15:24

6% of race

Average Pace: 9:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:55:5228:049:0328:04
9:03
#22818
10K
6.21 mi12:23:0555:178:5427:13
8:46
#22276
15K
9.32 mi12:50:511:23:038:5527:46
8:57
#22308
20K
12.43 mi13:20:081:52:209:0329:17
9:26
#22662
HALF
13.11 mi13:26:351:58:479:046:27
9:28
#22781
25K
15.53 mi13:50:462:22:589:1324:11
9:59
#23109
30K
18.64 mi14:23:252:55:379:2632:39
10:31
#23402
20M
20.00 mi14:37:513:10:039:3114:26
10:38
#23438
21M
21.00 mi14:49:153:21:279:3611:24
11:24
#23473
35K
21.75 mi14:57:053:29:179:387:50
10:29
#23486
23M
23.00 mi15:10:383:42:509:4213:33
10:50
#23538
24M
24.00 mi15:21:243:53:369:4510:46
10:46
#23577
40K
24.85 mi15:30:344:02:469:479:10
10:44
#23558
25.2M
25.20 mi15:34:344:06:469:484:00
11:36
#23555
FINISH
26.22 mi15:44:484:17:009:4910:14
10:03
#23571
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22818136441364422386(Top 77%)13475(Top 82%)13475(Top 613%)
10K6.21 mi3.10 mi22276+54213383+26113383+26121715(Top 75%)13120(Top 80%)13120(Top 597%)
15K9.32 mi3.11 mi22308-3213401-1813401-1822386(Top 77%)13475(Top 82%)13475(Top 613%)
20K12.43 mi3.11 mi22662-35413593-19213593-19223513(Top 81%)13969(Top 85%)13969(Top 636%)
HALF13.11 mi0.68 mi22781-11913651-5813651-5824259(Top 84%)14336(Top 88%)14336(Top 652%)
25K15.53 mi2.42 mi23109-32813789-13813789-13824236(Top 84%)14301(Top 88%)14301(Top 651%)
30K18.64 mi3.11 mi23402-29313889-10013889-10024307(Top 84%)14209(Top 87%)14209(Top 646%)
20M20.00 mi1.36 mi23438-3613894-513894-524121(Top 83%)14053(Top 86%)14053(Top 639%)
21M21.00 mi1.00 mi23473-3513906-1213906-1223955(Top 83%)13918(Top 85%)13918(Top 633%)
35K21.75 mi0.75 mi23486-1313904+213904+224243(Top 84%)14032(Top 86%)14032(Top 638%)
23M23.00 mi1.25 mi23538-5213920-1613920-1624118(Top 83%)13911(Top 85%)13911(Top 633%)
24M24.00 mi1.00 mi23577-3913927-713927-724638(Top 85%)14135(Top 87%)14135(Top 643%)
40K24.85 mi0.85 mi23558+1913914+1313914+1323698(Top 82%)13637(Top 83%)13637(Top 620%)
25.2M25.20 mi0.35 mi23555+313905+913905+923686(Top 82%)13625(Top 83%)13625(Top 620%)
FINISH26.22 mi1.02 mi23571-1613895+1013895+1023951(Top 83%)13772(Top 84%)13772(Top 627%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22386

Males

13475

M40-44

13475

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21715

Males

13120

M40-44

13120

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22386

Males

13475

M40-44

13475

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23513

Males

13969

M40-44

13969

20K→HALF

12.4 - 13.1 mi

Top 84%
×2
+19ft-37ft

Overall

24259

Males

14336

M40-44

14336

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24236

Males

14301

M40-44

14301

25K→30K

15.5 - 18.6 mi

Top 84%
×9
+181ft-148ft

Overall

24307

Males

14209

M40-44

14209

30K→20M

18.6 - 20.0 mi

Top 83%
×5
+64ft-50ft

Overall

24121

Males

14053

M40-44

14053

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

23955

Males

13918

M40-44

13918

21M→35K

21.0 - 21.8 mi

Top 84%
×7
+17ft-86ft

Overall

24243

Males

14032

M40-44

14032

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24118

Males

13911

M40-44

13911

23M→24M

23.0 - 24.0 mi

Top 85%
×6
+12ft-82ft

Overall

24638

Males

14135

M40-44

14135

24M→40K

24.0 - 24.9 mi

Top 82%
×1
+6ft-20ft

Overall

23698

Males

13637

M40-44

13637

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23686

Males

13625

M40-44

13625

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

23951

Males

13772

M40-44

13772

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1359*
Passed By
1540
Net Change
-753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22818
5K → 10K630*88+542#22818#22276
10K → 15K160192-32#22276#22308
15K → 20K74200-354#22308#22662
20K → HALF3122-119#22662#22781
HALF → 25K63200-328#22781#23109
25K → 30K60200-293#23109#23402
30K → 20M66102-36#23402#23438
20M → 21M5792-35#23438#23473
21M → 35K3952-13#23473#23486
35K → 23M4294-52#23486#23538
23M → 24M3978-39#23538#23577
24M → 40K5839+19#23577#23558
40K → 25.2M2522+3#23558#23555
25.2M → FINISH4359-16#23555#23571
TOTALS1359*1540-753

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing