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BOSTON MARATHON 2025

Dan Distefano

Bib: 31779•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:43
Rank: #18562
Start → 5K
8:17/mi
25:43 split
10K· 6.21 mi
51:04
Rank: #18093 (+469)
5K → 10K
8:10/mi
25:21 split
15K· 9.32 mi
1:16:29
Rank: #17785 (+308)
10K → 15K
8:11/mi
25:25 split
20K· 12.43 mi
1:42:10
Rank: #17482 (+303)
15K → 20K
8:16/mi
25:41 split
Half· 13.11 mi
1:47:49
Rank: #17492 (-10)
20K → Half
8:17/mi
5:39 split
25K· 15.53 mi
2:07:53
Rank: #17156 (+336)
Half → 25K
8:17/mi
20:04 split
30K· 18.64 mi
2:33:40
Rank: #16476 (+680)
25K → 30K
8:18/mi
25:47 split
20M
2:45:02
Rank: #16205 (+271)
30K → 20M
8:22/mi
11:22 split
21M
2:53:32
Rank: #15837 (+368)
20M → 21M
8:30/mi
8:30 split
35K· 21.75 mi
2:59:33
Rank: #15693 (+144)
21M → 35K
8:03/mi
6:01 split
23M
3:09:48
Rank: #15399 (+294)
35K → 23M
8:11/mi
10:15 split
24M
3:17:44
Rank: #15173 (+226)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:24:51
Rank: #15050 (+123)
24M → 40K
8:19/mi
7:07 split
25.2M
3:27:56
Rank: #14960 (+90)
40K → 25.2M
8:56/mi
3:05 split
Finish· 26.22 mi
3:36:06
Rank: #14866 (+94)
25.2M → Finish
8:01/mi
8:10 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3725:438:1725:43
8:17
-
10K
6.21 mi12:06:5851:048:1325:21
8:10
-0:07
15K
9.32 mi12:32:231:16:298:1225:25
8:11
+0:01
20K
12.43 mi12:58:041:42:108:1325:41
8:16
+0:05
Half
13.11 mi13:03:431:47:498:135:39
8:17
+0:01
25K
15.53 mi13:23:472:07:538:1420:04
8:17
0:00
30K
18.64 mi13:49:342:33:408:1525:47
8:18
+0:01
20M
20.00 mi14:00:562:45:028:1511:22
8:22
+0:04
21M
21.00 mi14:09:262:53:328:168:30
8:30
+0:08
35K
21.75 mi14:15:272:59:338:156:01
8:03
-0:27
23M
23.00 mi14:25:423:09:488:1510:15
8:11
+0:08
24M
24.00 mi14:33:383:17:448:147:56
7:56
-0:15
40K
24.85 mi14:40:453:24:518:157:07
8:19
+0:23
25.2M
25.20 mi14:43:503:27:568:153:05
8:56
+0:37
Finish
26.22 mi14:52:003:36:068:158:10
8:01
-0:55

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

7:56 /mi

Average Pace

8:15 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:01

99% of race

Time at Steady Pace

3:05

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:41:3725:438:1725:43
8:17
#18562
10K
6.21 mi12:06:5851:048:1325:21
8:10
#18093
15K
9.32 mi12:32:231:16:298:1225:25
8:11
#17785
20K
12.43 mi12:58:041:42:108:1325:41
8:16
#17482
Half
13.11 mi13:03:431:47:498:135:39
8:17
#17492
25K
15.53 mi13:23:472:07:538:1420:04
8:17
#17156
30K
18.64 mi13:49:342:33:408:1525:47
8:18
#16476
20M
20.00 mi14:00:562:45:028:1511:22
8:22
#16205
21M
21.00 mi14:09:262:53:328:168:30
8:30
#15837
35K
21.75 mi14:15:272:59:338:156:01
8:03
#15693
23M
23.00 mi14:25:423:09:488:1510:15
8:11
#15399
24M
24.00 mi14:33:383:17:448:147:56
7:56
#15173
40K
24.85 mi14:40:453:24:518:157:07
8:19
#15050
25.2M
25.20 mi14:43:503:27:568:153:05
8:56
#14960
Finish
26.22 mi14:52:003:36:068:158:10
8:01
#14866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18562118401184017257(Top 61%)11326(Top 70%)11326(Top 201%)
10K6.21 mi3.10 mi18093+46911653+18711653+18717598(Top 62%)11484(Top 71%)11484(Top 204%)
15K9.32 mi3.11 mi17785+30811533+12011533+12017257(Top 61%)11326(Top 70%)11326(Top 201%)
20K12.43 mi3.11 mi17482+30311409+12411409+12416723(Top 59%)11053(Top 69%)11053(Top 196%)
Half13.11 mi0.68 mi17492-10114091140917756(Top 63%)11501(Top 71%)11501(Top 204%)
25K15.53 mi2.42 mi17156+33611247+16211247+16215758(Top 55%)10545(Top 65%)10545(Top 187%)
30K18.64 mi3.11 mi16476+68010914+33310914+33313497(Top 48%)9360(Top 58%)9360(Top 166%)
20M20.00 mi1.36 mi16205+27110773+14110773+14112922(Top 45%)8965(Top 56%)8965(Top 159%)
21M21.00 mi1.00 mi15837+36810582+19110582+19110473(Top 37%)7611(Top 47%)7611(Top 135%)
35K21.75 mi0.75 mi15693+14410500+8210500+8212532(Top 44%)8593(Top 53%)8593(Top 152%)
23M23.00 mi1.25 mi15399+29410342+15810342+15811278(Top 40%)7890(Top 49%)7890(Top 140%)
24M24.00 mi1.00 mi15173+22610225+11710225+11710766(Top 38%)7570(Top 47%)7570(Top 134%)
40K24.85 mi0.85 mi15050+12310140+8510140+8512283(Top 43%)8190(Top 51%)8190(Top 145%)
25.2M25.20 mi0.35 mi14960+9010089+5110089+5111458(Top 40%)7718(Top 48%)7718(Top 137%)
Finish26.22 mi1.02 mi14866+9410029+6010029+6012963(Top 46%)8516(Top 53%)8516(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17257

Males

11326

M18-39

11326

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17598

Males

11484

M18-39

11484

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17257

Males

11326

M18-39

11326

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16723

Males

11053

M18-39

11053

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

17756

Males

11501

M18-39

11501

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15758

Males

10545

M18-39

10545

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13497

Males

9360

M18-39

9360

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12922

Males

8965

M18-39

8965

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10473

Males

7611

M18-39

7611

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12532

Males

8593

M18-39

8593

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11278

Males

7890

M18-39

7890

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10766

Males

7570

M18-39

7570

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12283

Males

8190

M18-39

8190

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11458

Males

7718

M18-39

7718

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12963

Males

8516

M18-39

8516

Passing Analysis

Category:
Athletes Passed
4059
Passed By
363
Net Change
+3696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18562
5K → 10K56798+469#18562#18093
10K → 15K37466+308#18093#17785
15K → 20K35855+303#17785#17482
20K → Half2737-10#17482#17492
Half → 25K37236+336#17492#17156
25K → 30K6877+680#17156#16476
30K → 20M2754+271#16476#16205
20M → 21M3691+368#16205#15837
21M → 35K1528+144#15837#15693
35K → 23M2962+294#15693#15399
23M → 24M2304+226#15399#15173
24M → 40K13613+123#15173#15050
40K → 25.2M944+90#15050#14960
25.2M → Finish12228+94#14960#14866
TOTALS4059363+3696
📊

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