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BOSTON MARATHON 2025

David Dobnik

Bib: 29556•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:44/mi
30:14
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
1:00:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:30:35
↑ 67↓ 78
20K· 12.43 mi
10:09/mi
2:02:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:54/mi
2:08:51
↑ 19↓ 370.5%
25K· 15.53 mi
10:23/mi
2:34:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:55/mi
3:07:56
↑ 181↓ 1480.2%
20M
10:47/mi
3:22:35
↑ 64↓ 500.2%
21M
11:08/mi
3:33:43
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
3:41:58
↑ 17↓ 861.7%
23M
11:39/mi
3:56:33
↑ 23↓ 630.6%
24M
11:01/mi
4:07:34
↓ 821.3%
40K· 24.85 mi
11:03/mi
4:17:01
↓ 200.3%
25.2M
13:15/mi
4:21:35
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:32:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:51
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:23:33
Pace10:57 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2830:149:4430:14
9:44
-
10K
6.21 mi12:21:561:00:429:4630:28
9:48
+0:04
15K
9.32 mi12:51:491:30:359:4329:53
9:37
-0:11
20K
12.43 mi13:23:202:02:069:5031:31
10:09
+0:32
Half
13.11 mi13:30:052:08:519:506:45
9:54
-0:15
25K
15.53 mi13:55:162:34:029:5525:11
10:23
+0:29
30K
18.64 mi14:29:103:07:5610:0533:54
10:55
+0:32
20M
20.00 mi14:43:493:22:3510:0814:39
10:47
-0:08
21M
21.00 mi14:54:573:33:4310:1111:08
11:08
+0:21
35K
21.75 mi15:03:123:41:5810:128:15
11:02
-0:06
23M
23.00 mi15:17:473:56:3310:1714:35
11:39
+0:37
24M
24.00 mi15:28:484:07:3410:1911:01
11:01
-0:38
40K
24.85 mi15:38:154:17:0110:209:27
11:03
+0:02
25.2M
25.20 mi15:42:494:21:3510:234:34
13:15
+2:12
Finish
26.22 mi15:53:384:32:2410:2410:49
10:37
-2:38

Checkpoints & Pacing

📈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

9:37 /mi

Average Pace

10:24 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:51

47% of race

Time at Steady Pace

2:04:24

46% of race

Time at Slower Pace

19:09

7% of race

Average Pace: 10:23 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:2830:149:4430:14
9:44
#24919
10K
6.21 mi12:21:561:00:429:4630:28
9:48
#24895
15K
9.32 mi12:51:491:30:359:4329:53
9:37
#24622
20K
12.43 mi13:23:202:02:069:5031:31
10:09
#24591
Half
13.11 mi13:30:052:08:519:506:45
9:54
#24596
25K
15.53 mi13:55:162:34:029:5525:11
10:23
#24528
30K
18.64 mi14:29:103:07:5610:0533:54
10:55
#24412
20M
20.00 mi14:43:493:22:3510:0814:39
10:47
#24317
21M
21.00 mi14:54:573:33:4310:1111:08
11:08
#24175
35K
21.75 mi15:03:123:41:5810:128:15
11:02
#24182
23M
23.00 mi15:17:473:56:3310:1714:35
11:39
#24212
24M
24.00 mi15:28:484:07:3410:1911:01
11:01
#24206
40K
24.85 mi15:38:154:17:0110:209:27
11:03
#24185
25.2M
25.20 mi15:42:494:21:3510:234:34
13:15
#24212
Finish
26.22 mi15:53:384:32:2410:2410:49
10:37
#24220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24919146881468824070(Top 85%)14297(Top 89%)14297(Top 716%)
10K6.21 mi3.10 mi24895+2414657+3114657+3124863(Top 88%)14638(Top 91%)14638(Top 733%)
15K9.32 mi3.11 mi24622+27314534+12314534+12324070(Top 85%)14297(Top 89%)14297(Top 716%)
20K12.43 mi3.11 mi24591+3114508+2614508+2624518(Top 86%)14461(Top 90%)14461(Top 724%)
Half13.11 mi0.68 mi24596-514507+114507+124591(Top 87%)14479(Top 90%)14479(Top 725%)
25K15.53 mi2.42 mi24528+6814470+3714470+3724153(Top 85%)14262(Top 89%)14262(Top 715%)
30K18.64 mi3.11 mi24412+11614396+7414396+7423848(Top 84%)13999(Top 87%)13999(Top 701%)
20M20.00 mi1.36 mi24317+9514331+6514331+6523136(Top 81%)13593(Top 84%)13593(Top 681%)
21M21.00 mi1.00 mi24175+14214254+7714254+7721734(Top 77%)12855(Top 80%)12855(Top 644%)
35K21.75 mi0.75 mi24182-714249+514249+524249(Top 85%)13999(Top 87%)13999(Top 701%)
23M23.00 mi1.25 mi24212-3014238+1114238+1124504(Top 86%)14093(Top 88%)14093(Top 706%)
24M24.00 mi1.00 mi24206+614223+1514223+1524017(Top 85%)13835(Top 86%)13835(Top 693%)
40K24.85 mi0.85 mi24185+2114203+2014203+2023268(Top 82%)13378(Top 83%)13378(Top 670%)
25.2M25.20 mi0.35 mi24212-2714210-714210-725353(Top 89%)14419(Top 90%)14419(Top 722%)
Finish26.22 mi1.02 mi24220-814206+414206+424538(Top 86%)14054(Top 87%)14054(Top 704%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24070

Males

14297

M50-54

14297

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24863

Males

14638

M50-54

14638

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24070

Males

14297

M50-54

14297

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24518

Males

14461

M50-54

14461

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24591

Males

14479

M50-54

14479

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24153

Males

14262

M50-54

14262

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23848

Males

13999

M50-54

13999

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23136

Males

13593

M50-54

13593

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21734

Males

12855

M50-54

12855

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24249

Males

13999

M50-54

13999

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24504

Males

14093

M50-54

14093

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24017

Males

13835

M50-54

13835

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23268

Males

13378

M50-54

13378

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25353

Males

14419

M50-54

14419

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24538

Males

14054

M50-54

14054

Passing Analysis

Category:
Athletes Passed
1502
Passed By
803
Net Change
+699
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24919
5K → 10K205181+24#24919#24895
10K → 15K30532+273#24895#24622
15K → 20K148117+31#24622#24591
20K → Half2429-5#24591#24596
Half → 25K13668+68#24596#24528
25K → 30K18670+116#24528#24412
30K → 20M11217+95#24412#24317
20M → 21M1519+142#24317#24175
21M → 35K3138-7#24175#24182
35K → 23M6696-30#24182#24212
23M → 24M4842+6#24212#24206
24M → 40K4827+21#24206#24185
40K → 25.2M1542-27#24185#24212
25.2M → Finish2735-8#24212#24220
TOTALS1502803+699
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing