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BOSTON MARATHON 2026

Justin Duchnick

Bib: 6625•M

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 24%
Masters (Masters Men)
#0 / 10617
Top 10%
Age Group (M45-49)
#0 / 2413
Top 12%
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
20:19
3.11 mi
Rank: #4491
Start → 5K
20:19 | 6:33/mi
10K
40:27
6.21 mi
Rank: #4262 (+229)
5K → 10K
20:08 | 6:29/mi
15K
1:00:28
9.32 mi
Rank: #4060 (+202)
10K → 15K
20:01 | 6:27/mi
20K
1:20:19
12.43 mi
Rank: #3787 (+273)
15K → 20K
19:51 | 6:24/mi
HALF
1:24:38
13.11 mi
Rank: #3761 (+26)
20K → HALF
4:19 | 6:20/mi
25K
1:40:11
15.53 mi
Rank: #3586 (+175)
HALF → 25K
15:33 | 6:25/mi
30K
2:01:31
18.64 mi
Rank: #3751 (-165)
25K → 30K
21:20 | 6:52/mi
20M
2:11:14
20.00 mi
Rank: #3913 (-162)
30K → 20M
9:43 | 7:10/mi
21M
2:18:19
21.00 mi
Rank: #3868 (+45)
20M → 21M
7:05 | 7:05/mi
35K
2:23:19
21.75 mi
Rank: #3878 (-10)
21M → 35K
5:00 | 6:41/mi
23M
2:32:05
23.00 mi
Rank: #3909 (-31)
35K → 23M
8:46 | 7:01/mi
24M
2:39:01
24.00 mi
Rank: #3963 (-54)
23M → 24M
6:56 | 6:56/mi
40K
2:45:10
24.85 mi
Rank: #4039 (-76)
24M → 40K
6:09 | 7:12/mi
25.2M
2:47:53
25.20 mi
Rank: #4074 (-35)
40K → 25.2M
2:43 | 7:53/mi
FINISH
2:55:20
26.22 mi
Rank: #4301 (-227)
25.2M → FINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:38
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:30:42
Pace6:56 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1720:196:3320:19
6:33
-
10K
6.21 mi10:45:2540:276:3120:08
6:29
-0:04
15K
9.32 mi11:05:261:00:286:3020:01
6:27
-0:02
20K
12.43 mi11:25:171:20:196:2819:51
6:24
-0:03
HALF
13.11 mi11:29:361:24:386:284:19
6:20
-0:04
25K
15.53 mi11:45:091:40:116:2715:33
6:25
+0:05
30K
18.64 mi12:06:292:01:316:3221:20
6:52
+0:27
20M
20.00 mi12:16:122:11:146:349:43
7:10
+0:18
21M
21.00 mi12:23:172:18:196:367:05
7:05
-0:05
35K
21.75 mi12:28:172:23:196:365:00
6:41
-0:24
23M
23.00 mi12:37:032:32:056:378:46
7:01
+0:20
24M
24.00 mi12:43:592:39:016:386:56
6:56
-0:05
40K
24.85 mi12:50:082:45:106:396:09
7:12
+0:16
25.2M
25.20 mi12:52:512:47:536:402:43
7:53
+0:41
FINISH
26.22 mi13:00:182:55:206:427:27
7:19
-0:34

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

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

7:53 /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

1:40:11

57% of race

Time at Steady Pace

42:02

24% of race

Time at Slower Pace

33:07

19% of race

Average Pace: 6:41 /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 mi10:25:1720:196:3320:19
6:33
#4491
10K
6.21 mi10:45:2540:276:3120:08
6:29
#4262
15K
9.32 mi11:05:261:00:286:3020:01
6:27
#4060
20K
12.43 mi11:25:171:20:196:2819:51
6:24
#3787
HALF
13.11 mi11:29:361:24:386:284:19
6:20
#3761
25K
15.53 mi11:45:091:40:116:2715:33
6:25
#3586
30K
18.64 mi12:06:292:01:316:3221:20
6:52
#3751
20M
20.00 mi12:16:122:11:146:349:43
7:10
#3913
21M
21.00 mi12:23:172:18:196:367:05
7:05
#3868
35K
21.75 mi12:28:172:23:196:365:00
6:41
#3878
23M
23.00 mi12:37:032:32:056:378:46
7:01
#3909
24M
24.00 mi12:43:592:39:016:386:56
6:56
#3963
40K
24.85 mi12:50:082:45:106:396:09
7:12
#4039
25.2M
25.20 mi12:52:512:47:536:402:43
7:53
#4074
FINISH
26.22 mi13:00:182:55:206:427:27
7:19
#4301
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4491423042303798(Top 13%)3622(Top 22%)3622(Top 150%)
10K6.21 mi3.10 mi4262+2294037+1934037+1934071(Top 14%)3859(Top 24%)3859(Top 160%)
15K9.32 mi3.11 mi4060+2023858+1793858+1793798(Top 13%)3622(Top 22%)3622(Top 150%)
20K12.43 mi3.11 mi3787+2733606+2523606+2523100(Top 11%)2976(Top 18%)2976(Top 123%)
HALF13.11 mi0.68 mi3761+263584+223584+223294(Top 11%)3170(Top 19%)3170(Top 131%)
25K15.53 mi2.42 mi3586+1753424+1603424+1602978(Top 10%)2857(Top 17%)2857(Top 118%)
30K18.64 mi3.11 mi3751-1653568-1443568-1444881(Top 17%)4429(Top 27%)4429(Top 184%)
20M20.00 mi1.36 mi3913-1623699-1313699-1316575(Top 23%)5620(Top 34%)5620(Top 233%)
21M21.00 mi1.00 mi3868+453652+473652+473926(Top 14%)3552(Top 22%)3552(Top 147%)
35K21.75 mi0.75 mi3878-103658-63658-64789(Top 17%)4259(Top 26%)4259(Top 177%)
23M23.00 mi1.25 mi3909-313673-153673-155456(Top 19%)4714(Top 29%)4714(Top 195%)
24M24.00 mi1.00 mi3963-543711-383711-385983(Top 21%)5006(Top 31%)5006(Top 207%)
40K24.85 mi0.85 mi4039-763780-693780-696659(Top 23%)5391(Top 33%)5391(Top 223%)
25.2M25.20 mi0.35 mi4074-353808-283808-287432(Top 26%)5763(Top 35%)5763(Top 239%)
FINISH26.22 mi1.02 mi4301-2273978-1703978-1709921(Top 34%)7065(Top 43%)7065(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3798

Males

3622

M45-49

3622

5K→10K

3.1 - 6.2 mi

Top 14%
×5
+79ft-138ft

Overall

4071

Males

3859

M45-49

3859

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3798

Males

3622

M45-49

3622

15K→20K

9.3 - 12.4 mi

Top 11%
×5
+106ft-86ft

Overall

3100

Males

2976

M45-49

2976

20K→HALF

12.4 - 13.1 mi

Top 11%
×2
+19ft-37ft

Overall

3294

Males

3170

M45-49

3170

HALF→25K

13.1 - 15.5 mi

Top 10%
×4
+66ft-88ft

Overall

2978

Males

2857

M45-49

2857

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4881

Males

4429

M45-49

4429

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6575

Males

5620

M45-49

5620

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

3926

Males

3552

M45-49

3552

21M→35K

21.0 - 21.8 mi

Top 17%
×7
+17ft-86ft

Overall

4789

Males

4259

M45-49

4259

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5456

Males

4714

M45-49

4714

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

5983

Males

5006

M45-49

5006

24M→40K

24.0 - 24.9 mi

Top 23%
×1
+6ft-20ft

Overall

6659

Males

5391

M45-49

5391

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1
+13ft-16ft

Overall

7432

Males

5763

M45-49

5763

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9921

Males

7065

M45-49

7065

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1331
Passed By
1141
Net Change
+190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4491
5K → 10K29162+229#4491#4262
10K → 15K23432+202#4262#4060
15K → 20K2818+273#4060#3787
20K → HALF337+26#3787#3761
HALF → 25K1849+175#3761#3586
25K → 30K60225-165#3586#3751
30K → 20M24186-162#3751#3913
20M → 21M6924+45#3913#3868
21M → 35K2939-10#3868#3878
35K → 23M5182-31#3878#3909
23M → 24M2882-54#3909#3963
24M → 40K27103-76#3963#4039
40K → 25.2M1247-35#4039#4074
25.2M → FINISH8235-227#4074#4301
TOTALS13311141+190

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📊

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