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BOSTON MARATHON 2025

Christopher Kabacinski

Bib: 3950•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #5073
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:08
Rank: #4648 (+425)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:21
Rank: #4265 (+383)
10K → 15K
20:13 | 6:30/mi
20K· 12.43 mi
1:21:39
Rank: #3943 (+322)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:26:01
Rank: #3893 (+50)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:53
Rank: #3745 (+148)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:02:39
Rank: #3526 (+219)
25K → 30K
20:46 | 6:41/mi
20M
2:11:42
Rank: #3382 (+144)
30K → 20M
9:03 | 6:40/mi
21M
2:18:25
Rank: #3180 (+202)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:23:13
Rank: #3102 (+78)
21M → 35K
4:48 | 6:25/mi
23M
2:31:24
Rank: #2950 (+152)
35K → 23M
8:11 | 6:32/mi
24M
2:37:38
Rank: #2811 (+139)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:42:50
Rank: #2660 (+151)
24M → 40K
5:12 | 6:05/mi
25.2M
2:45:06
Rank: #2593 (+67)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:50:52
Rank: #2419 (+174)
25.2M → Finish
5:46 | 5:40/mi

Course Map & Elevation

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:01
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1720:416:3920:41
6:39
-
10K
6.21 mi10:43:4441:086:3720:27
6:35
-0:04
15K
9.32 mi11:03:571:01:216:3520:13
6:30
-0:05
20K
12.43 mi11:24:151:21:396:3420:18
6:32
+0:02
Half
13.11 mi11:28:371:26:016:344:22
6:24
-0:08
25K
15.53 mi11:44:291:41:536:3415:52
6:33
+0:09
30K
18.64 mi12:05:152:02:396:3520:46
6:41
+0:08
20M
20.00 mi12:14:182:11:426:359:03
6:40
-0:01
21M
21.00 mi12:21:012:18:256:356:43
6:43
+0:03
35K
21.75 mi12:25:492:23:136:354:48
6:25
-0:18
23M
23.00 mi12:34:002:31:246:358:11
6:32
+0:07
24M
24.00 mi12:40:142:37:386:346:14
6:14
-0:18
40K
24.85 mi12:45:262:42:506:335:12
6:05
-0:09
25.2M
25.20 mi12:47:422:45:066:332:16
6:34
+0:29
Finish
26.22 mi12:53:282:50:526:315:46
5:40
-0:54

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

5:40 /mi

Average Pace

6:31 /mi

Slowest Pace

6:43 /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

17:12

10% of race

Time at Steady Pace

2:26:57

86% of race

Time at Slower Pace

6:43

4% of race

Average Pace: 6:31 /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 mi10:23:1720:416:3920:41
6:39
#5073
10K
6.21 mi10:43:4441:086:3720:27
6:35
#4648
15K
9.32 mi11:03:571:01:216:3520:13
6:30
#4265
20K
12.43 mi11:24:151:21:396:3420:18
6:32
#3943
Half
13.11 mi11:28:371:26:016:344:22
6:24
#3893
25K
15.53 mi11:44:291:41:536:3415:52
6:33
#3745
30K
18.64 mi12:05:152:02:396:3520:46
6:41
#3526
20M
20.00 mi12:14:182:11:426:359:03
6:40
#3382
21M
21.00 mi12:21:012:18:256:356:43
6:43
#3180
35K
21.75 mi12:25:492:23:136:354:48
6:25
#3102
23M
23.00 mi12:34:002:31:246:358:11
6:32
#2950
24M
24.00 mi12:40:142:37:386:346:14
6:14
#2811
40K
24.85 mi12:45:262:42:506:335:12
6:05
#2660
25.2M
25.20 mi12:47:422:45:066:332:16
6:34
#2593
Finish
26.22 mi12:53:282:50:526:315:46
5:40
#2419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5073473547353611(Top 13%)3411(Top 21%)3411(Top 60%)
10K6.21 mi3.10 mi4648+4254359+3764359+3764317(Top 15%)4055(Top 25%)4055(Top 72%)
15K9.32 mi3.11 mi4265+3834011+3484011+3483611(Top 13%)3411(Top 21%)3411(Top 60%)
20K12.43 mi3.11 mi3943+3223713+2983713+2983313(Top 12%)3138(Top 19%)3138(Top 56%)
Half13.11 mi0.68 mi3893+503667+463667+463071(Top 11%)2932(Top 18%)2932(Top 52%)
25K15.53 mi2.42 mi3745+1483535+1323535+1323128(Top 11%)2962(Top 18%)2962(Top 52%)
30K18.64 mi3.11 mi3526+2193333+2023333+2022814(Top 10%)2662(Top 17%)2662(Top 47%)
20M20.00 mi1.36 mi3382+1443200+1333200+1332293(Top 8%)2167(Top 13%)2167(Top 38%)
21M21.00 mi1.00 mi3180+2023011+1893011+1891273(Top 4%)1203(Top 7%)1203(Top 21%)
35K21.75 mi0.75 mi3102+782938+732938+732111(Top 7%)1978(Top 12%)1978(Top 35%)
23M23.00 mi1.25 mi2950+1522792+1462792+1461598(Top 6%)1496(Top 9%)1496(Top 27%)
24M24.00 mi1.00 mi2811+1392664+1282664+1281137(Top 4%)1070(Top 7%)1070(Top 19%)
40K24.85 mi0.85 mi2660+1512521+1432521+143530(Top 2%)496(Top 3%)496(Top 9%)
25.2M25.20 mi0.35 mi2593+672457+642457+64588(Top 2%)548(Top 3%)548(Top 10%)
Finish26.22 mi1.02 mi2419+1742294+1632294+163318(Top 1%)298(Top 2%)298(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3611

Males

3411

M18-39

3411

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4317

Males

4055

M18-39

4055

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3611

Males

3411

M18-39

3411

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3313

Males

3138

M18-39

3138

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3071

Males

2932

M18-39

2932

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3128

Males

2962

M18-39

2962

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2814

Males

2662

M18-39

2662

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2293

Males

2167

M18-39

2167

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1273

Males

1203

M18-39

1203

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2111

Males

1978

M18-39

1978

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1598

Males

1496

M18-39

1496

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1137

Males

1070

M18-39

1070

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

530

Males

496

M18-39

496

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

588

Males

548

M18-39

548

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

318

Males

298

M18-39

298

Passing Analysis

Category:
Athletes Passed
2752
Passed By
98
Net Change
+2654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5073
5K → 10K45833+425#5073#4648
10K → 15K39310+383#4648#4265
15K → 20K3264+322#4265#3943
20K → Half500+50#3943#3893
Half → 25K16214+148#3893#3745
25K → 30K23718+219#3745#3526
30K → 20M15410+144#3526#3382
20M → 21M2020+202#3382#3180
21M → 35K802+78#3180#3102
35K → 23M1564+152#3102#2950
23M → 24M1401+139#2950#2811
24M → 40K1521+151#2811#2660
40K → 25.2M681+67#2660#2593
25.2M → Finish1740+174#2593#2419
TOTALS275298+2654
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing