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BOSTON MARATHON 2025

Damian Ziolkowski

Bib: 4549•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #2864
Start → 5K
19:47 | 6:22/mi
10K· 6.21 mi
39:30
Rank: #2770 (+94)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:17
Rank: #2737 (+33)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:19:09
Rank: #2661 (+76)
15K → 20K
19:52 | 6:24/mi
Half· 13.11 mi
1:23:33
Rank: #2689 (-28)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:39:16
Rank: #2680 (+9)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
2:00:05
Rank: #2680
25K → 30K
20:49 | 6:42/mi
20M
2:09:24
Rank: #2690 (-10)
30K → 20M
9:19 | 6:51/mi
21M
2:16:26
Rank: #2649 (+41)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:21:07
Rank: #2577 (+72)
21M → 35K
4:41 | 6:16/mi
23M
2:29:05
Rank: #2417 (+160)
35K → 23M
7:58 | 6:22/mi
24M
2:35:23
Rank: #2338 (+79)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:41:03
Rank: #2305 (+33)
24M → 40K
5:40 | 6:38/mi
25.2M
2:43:30
Rank: #2284 (+21)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:49:42
Rank: #2212 (+72)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:09
Pace6:34 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2419:476:2219:47
6:22
-
10K
6.21 mi10:43:0739:306:2119:43
6:21
-0:01
15K
9.32 mi11:02:5459:176:2219:47
6:22
+0:01
20K
12.43 mi11:22:461:19:096:2219:52
6:24
+0:02
Half
13.11 mi11:27:101:23:336:224:24
6:27
+0:03
25K
15.53 mi11:42:531:39:166:2315:43
6:29
+0:02
30K
18.64 mi12:03:422:00:056:2720:49
6:42
+0:13
20M
20.00 mi12:13:012:09:246:289:19
6:51
+0:09
21M
21.00 mi12:20:032:16:266:307:02
7:02
+0:11
35K
21.75 mi12:24:442:21:076:294:41
6:16
-0:46
23M
23.00 mi12:32:422:29:056:297:58
6:22
+0:06
24M
24.00 mi12:39:002:35:236:286:18
6:18
-0:04
40K
24.85 mi12:44:402:41:036:295:40
6:38
+0:20
25.2M
25.20 mi12:47:072:43:306:292:27
7:06
+0:28
Finish
26.22 mi12:53:192:49:426:296:12
6:05
-1:01

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

6:05 /mi

Average Pace

6:29 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:05

77% of race

Time at Steady Pace

39:37

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:23:2419:476:2219:47
6:22
#2864
10K
6.21 mi10:43:0739:306:2119:43
6:21
#2770
15K
9.32 mi11:02:5459:176:2219:47
6:22
#2737
20K
12.43 mi11:22:461:19:096:2219:52
6:24
#2661
Half
13.11 mi11:27:101:23:336:224:24
6:27
#2689
25K
15.53 mi11:42:531:39:166:2315:43
6:29
#2680
30K
18.64 mi12:03:422:00:056:2720:49
6:42
#2680
20M
20.00 mi12:13:012:09:246:289:19
6:51
#2690
21M
21.00 mi12:20:032:16:266:307:02
7:02
#2649
35K
21.75 mi12:24:442:21:076:294:41
6:16
#2577
23M
23.00 mi12:32:422:29:056:297:58
6:22
#2417
24M
24.00 mi12:39:002:35:236:286:18
6:18
#2338
40K
24.85 mi12:44:402:41:036:295:40
6:38
#2305
25.2M
25.20 mi12:47:072:43:306:292:27
7:06
#2284
Finish
26.22 mi12:53:192:49:426:296:12
6:05
#2212
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2864272527252722(Top 10%)2592(Top 16%)2592(Top 46%)
10K6.21 mi3.10 mi2770+942638+872638+872703(Top 10%)2574(Top 16%)2574(Top 46%)
15K9.32 mi3.11 mi2737+332609+292609+292722(Top 10%)2592(Top 16%)2592(Top 46%)
20K12.43 mi3.11 mi2661+762538+712538+712481(Top 9%)2366(Top 15%)2366(Top 42%)
Half13.11 mi0.68 mi2689-282565-272565-273308(Top 12%)3134(Top 19%)3134(Top 56%)
25K15.53 mi2.42 mi2680+92557+82557+82774(Top 10%)2638(Top 16%)2638(Top 47%)
30K18.64 mi3.11 mi26802558-12558-12878(Top 10%)2716(Top 17%)2716(Top 48%)
20M20.00 mi1.36 mi2690-102562-42562-43208(Top 11%)2964(Top 18%)2964(Top 53%)
21M21.00 mi1.00 mi2649+412523+392523+392373(Top 8%)2214(Top 14%)2214(Top 39%)
35K21.75 mi0.75 mi2577+722453+702453+701463(Top 5%)1387(Top 9%)1387(Top 25%)
23M23.00 mi1.25 mi2417+1602301+1522301+1521046(Top 4%)989(Top 6%)989(Top 18%)
24M24.00 mi1.00 mi2338+792225+762225+761316(Top 5%)1231(Top 8%)1231(Top 22%)
40K24.85 mi0.85 mi2305+332192+332192+332057(Top 7%)1895(Top 12%)1895(Top 34%)
25.2M25.20 mi0.35 mi2284+212170+222170+221788(Top 6%)1627(Top 10%)1627(Top 29%)
Finish26.22 mi1.02 mi2212+722097+732097+731145(Top 4%)1071(Top 7%)1071(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2722

Males

2592

M18-39

2592

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2703

Males

2574

M18-39

2574

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2722

Males

2592

M18-39

2592

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2481

Males

2366

M18-39

2366

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3308

Males

3134

M18-39

3134

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2774

Males

2638

M18-39

2638

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2878

Males

2716

M18-39

2716

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3208

Males

2964

M18-39

2964

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2373

Males

2214

M18-39

2214

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1463

Males

1387

M18-39

1387

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1046

Males

989

M18-39

989

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1316

Males

1231

M18-39

1231

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2057

Males

1895

M18-39

1895

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1788

Males

1627

M18-39

1627

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1145

Males

1071

M18-39

1071

Passing Analysis

Category:
Athletes Passed
1131
Passed By
479
Net Change
+652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2864
5K → 10K17480+94#2864#2770
10K → 15K8855+33#2770#2737
15K → 20K11034+76#2737#2661
20K → Half1139-28#2661#2689
Half → 25K6354+9#2689#2680
25K → 30K90900#2680#2680
30K → 20M5060-10#2680#2690
20M → 21M7433+41#2690#2649
21M → 35K753+72#2649#2577
35K → 23M1611+160#2577#2417
23M → 24M812+79#2417#2338
24M → 40K5017+33#2338#2305
40K → 25.2M254+21#2305#2284
25.2M → Finish797+72#2284#2212
TOTALS1131479+652
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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