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BOSTON MARATHON 2025

Chip Scarinzi

Bib: 1149•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Masters (Masters Men)
#0 / 10463
Top 0.8%
Division (M40-44)
#0 / 2247
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:18
Rank: #773
Start → 5K
18:18 | 5:53/mi
10K· 6.21 mi
36:45
Rank: #846 (-73)
5K → 10K
18:27 | 5:56/mi
15K· 9.32 mi
55:14
Rank: #860 (-14)
10K → 15K
18:29 | 5:57/mi
20K· 12.43 mi
1:13:50
Rank: #837 (+23)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:17:51
Rank: #832 (+5)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:32:16
Rank: #792 (+40)
Half → 25K
14:25 | 5:57/mi
30K· 18.64 mi
1:51:23
Rank: #774 (+18)
25K → 30K
19:07 | 6:09/mi
20M
1:59:51
Rank: #756 (+18)
30K → 20M
8:28 | 6:14/mi
21M
2:06:26
Rank: #749 (+7)
20M → 21M
6:35 | 6:35/mi
35K· 21.75 mi
2:10:51
Rank: #724 (+25)
21M → 35K
4:25 | 5:54/mi
23M
2:18:34
Rank: #697 (+27)
35K → 23M
7:43 | 6:10/mi
24M
2:24:40
Rank: #689 (+8)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:29:58
Rank: #674 (+15)
24M → 40K
5:18 | 6:12/mi
25.2M
2:32:19
Rank: #674
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:38:27
Rank: #674
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:51
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3518:185:5318:18
5:53
-
10K
6.21 mi10:37:0236:455:5518:27
5:56
+0:03
15K
9.32 mi10:55:3155:145:5618:29
5:57
+0:01
20K
12.43 mi11:14:071:13:505:5618:36
5:59
+0:02
Half
13.11 mi11:18:081:17:515:564:01
5:53
-0:06
25K
15.53 mi11:32:331:32:165:5614:25
5:57
+0:04
30K
18.64 mi11:51:401:51:235:5919:07
6:09
+0:12
20M
20.00 mi12:00:081:59:516:008:28
6:14
+0:05
21M
21.00 mi12:06:432:06:266:016:35
6:35
+0:21
35K
21.75 mi12:11:082:10:516:014:25
5:54
-0:41
23M
23.00 mi12:18:512:18:346:017:43
6:10
+0:16
24M
24.00 mi12:24:572:24:406:026:06
6:06
-0:04
40K
24.85 mi12:30:152:29:586:025:18
6:12
+0:06
25.2M
25.20 mi12:32:362:32:196:032:21
6:49
+0:37
Finish
26.22 mi12:38:442:38:276:036:08
6:01
-0:48

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

5:53 /mi

Average Pace

6:03 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:31

94% of race

Time at Steady Pace

8:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:3518:185:5318:18
5:53
#773
10K
6.21 mi10:37:0236:455:5518:27
5:56
#846
15K
9.32 mi10:55:3155:145:5618:29
5:57
#860
20K
12.43 mi11:14:071:13:505:5618:36
5:59
#837
Half
13.11 mi11:18:081:17:515:564:01
5:53
#832
25K
15.53 mi11:32:331:32:165:5614:25
5:57
#792
30K
18.64 mi11:51:401:51:235:5919:07
6:09
#774
20M
20.00 mi12:00:081:59:516:008:28
6:14
#756
21M
21.00 mi12:06:432:06:266:016:35
6:35
#749
35K
21.75 mi12:11:082:10:516:014:25
5:54
#724
23M
23.00 mi12:18:512:18:346:017:43
6:10
#697
24M
24.00 mi12:24:572:24:406:026:06
6:06
#689
40K
24.85 mi12:30:152:29:586:025:18
6:12
#674
25.2M
25.20 mi12:32:362:32:196:032:21
6:49
#674
Finish
26.22 mi12:38:442:38:276:036:08
6:01
#674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi773721721880(Top 3%)828(Top 5%)828(Top 37%)
10K6.21 mi3.10 mi846-73793-72793-72929(Top 3%)875(Top 5%)875(Top 39%)
15K9.32 mi3.11 mi860-14808-15808-15880(Top 3%)828(Top 5%)828(Top 37%)
20K12.43 mi3.11 mi837+23786+22786+22833(Top 3%)783(Top 5%)783(Top 35%)
Half13.11 mi0.68 mi832+5781+5781+5796(Top 3%)750(Top 5%)750(Top 33%)
25K15.53 mi2.42 mi792+40741+40741+40668(Top 2%)621(Top 4%)621(Top 28%)
30K18.64 mi3.11 mi774+18725+16725+16792(Top 3%)743(Top 5%)743(Top 33%)
20M20.00 mi1.36 mi756+18708+17708+17791(Top 3%)746(Top 5%)746(Top 33%)
21M21.00 mi1.00 mi749+7701+7701+7853(Top 3%)805(Top 5%)805(Top 36%)
35K21.75 mi0.75 mi724+25676+25676+25532(Top 2%)496(Top 3%)496(Top 22%)
23M23.00 mi1.25 mi697+27649+27649+27590(Top 2%)555(Top 3%)555(Top 25%)
24M24.00 mi1.00 mi689+8640+9640+9757(Top 3%)711(Top 4%)711(Top 32%)
40K24.85 mi0.85 mi674+15625+15625+15716(Top 3%)671(Top 4%)671(Top 30%)
25.2M25.20 mi0.35 mi674625625971(Top 3%)889(Top 6%)889(Top 40%)
Finish26.22 mi1.02 mi674625625948(Top 3%)890(Top 6%)890(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

880

Males

828

M40-44

828

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

929

Males

875

M40-44

875

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

880

Males

828

M40-44

828

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

833

Males

783

M40-44

783

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

796

Males

750

M40-44

750

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

668

Males

621

M40-44

621

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

792

Males

743

M40-44

743

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

791

Males

746

M40-44

746

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

853

Males

805

M40-44

805

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

532

Males

496

M40-44

496

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

590

Males

555

M40-44

555

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

757

Males

711

M40-44

711

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

716

Males

671

M40-44

671

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

971

Males

889

M40-44

889

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

948

Males

890

M40-44

890

Passing Analysis

Category:
Athletes Passed
332
Passed By
233
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#773
5K → 10K2194-73#773#846
10K → 15K2135-14#846#860
15K → 20K4320+23#860#837
20K → Half83+5#837#832
Half → 25K455+40#832#792
25K → 30K4224+18#792#774
30K → 20M268+18#774#756
20M → 21M2417+7#756#749
21M → 35K250+25#749#724
35K → 23M303+27#724#697
23M → 24M146+8#697#689
24M → 40K216+15#689#674
40K → 25.2M440#674#674
25.2M → Finish880#674#674
TOTALS332233+99
📊

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