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BOSTON MARATHON 2025

Piotr Dlugosielski

Bib: 12655•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:30
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:31:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:53:47
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:17:15
↑ 181↓ 1480.2%
20M
7:30/mi
2:27:27
↑ 64↓ 500.2%
21M
7:50/mi
2:35:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:41:37
↑ 17↓ 861.7%
23M
8:27/mi
2:52:12
↑ 23↓ 630.6%
24M
8:32/mi
3:00:44
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:07:56
↓ 200.3%
25.2M
8:48/mi
3:10:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:18:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:07
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:42:49
Pace7:51 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1522:577:2322:57
7:23
-
10K
6.21 mi11:13:5145:337:2022:36
7:16
-0:07
15K
9.32 mi11:36:481:08:307:2122:57
7:23
+0:07
20K
12.43 mi11:59:291:31:117:2022:41
7:18
-0:05
Half
13.11 mi12:04:251:36:077:204:56
7:14
-0:04
25K
15.53 mi12:22:051:53:477:1917:40
7:17
+0:03
30K
18.64 mi12:45:332:17:157:2223:28
7:33
+0:16
20M
20.00 mi12:55:452:27:277:2210:12
7:30
-0:03
21M
21.00 mi13:03:352:35:177:247:50
7:50
+0:20
35K
21.75 mi13:09:552:41:377:266:20
8:27
+0:37
23M
23.00 mi13:20:302:52:127:2910:35
8:27
0:00
24M
24.00 mi13:29:023:00:447:328:32
8:32
+0:05
40K
24.85 mi13:36:143:07:567:347:12
8:25
-0:07
25.2M
25.20 mi13:39:163:10:587:353:02
8:48
+0:23
Finish
26.22 mi13:47:143:18:567:367:58
7:49
-0:59

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

7:14 /mi

Average Pace

7:36 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:32

14% of race

Time at Steady Pace

2:07:53

64% of race

Time at Slower Pace

43:31

22% of race

Average Pace: 7:35 /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 mi10:51:1522:577:2322:57
7:23
#11176
10K
6.21 mi11:13:5145:337:2022:36
7:16
#10593
15K
9.32 mi11:36:481:08:307:2122:57
7:23
#10630
20K
12.43 mi11:59:291:31:117:2022:41
7:18
#10188
Half
13.11 mi12:04:251:36:077:204:56
7:14
#10147
25K
15.53 mi12:22:051:53:477:1917:40
7:17
#9767
30K
18.64 mi12:45:332:17:157:2223:28
7:33
#9387
20M
20.00 mi12:55:452:27:277:2210:12
7:30
#9171
21M
21.00 mi13:03:352:35:177:247:50
7:50
#8938
35K
21.75 mi13:09:552:41:377:266:20
8:27
#9163
23M
23.00 mi13:20:302:52:127:2910:35
8:27
#9382
24M
24.00 mi13:29:023:00:447:328:32
8:32
#9635
40K
24.85 mi13:36:143:07:567:347:12
8:25
#9755
25.2M
25.20 mi13:39:163:10:587:353:02
8:48
#9759
Finish
26.22 mi13:47:143:18:567:367:58
7:49
#9791
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi111768783878310732(Top 38%)8466(Top 53%)8466(Top 355%)
10K6.21 mi3.10 mi10593+5838463+3208463+32010126(Top 36%)8215(Top 51%)8215(Top 344%)
15K9.32 mi3.11 mi10630-378456+78456+710732(Top 38%)8466(Top 53%)8466(Top 355%)
20K12.43 mi3.11 mi10188+4428203+2538203+2539055(Top 32%)7480(Top 46%)7480(Top 313%)
Half13.11 mi0.68 mi10147+418183+208183+209329(Top 33%)7672(Top 48%)7672(Top 322%)
25K15.53 mi2.42 mi9767+3807945+2387945+2388263(Top 29%)6924(Top 43%)6924(Top 290%)
30K18.64 mi3.11 mi9387+3807687+2587687+2588110(Top 29%)6654(Top 41%)6654(Top 279%)
20M20.00 mi1.36 mi9171+2167534+1537534+1537064(Top 25%)5882(Top 37%)5882(Top 247%)
21M21.00 mi1.00 mi8938+2337366+1687366+1686394(Top 23%)5330(Top 33%)5330(Top 223%)
35K21.75 mi0.75 mi9163-2257472-1067472-10615198(Top 54%)9799(Top 61%)9799(Top 411%)
23M23.00 mi1.25 mi9382-2197552-807552-8013057(Top 46%)8710(Top 54%)8710(Top 365%)
24M24.00 mi1.00 mi9635-2537649-977649-9714692(Top 52%)9435(Top 59%)9435(Top 395%)
40K24.85 mi0.85 mi9755-1207676-277676-2712884(Top 45%)8463(Top 53%)8463(Top 355%)
25.2M25.20 mi0.35 mi9759-47656+207656+2010540(Top 37%)7232(Top 45%)7232(Top 303%)
Finish26.22 mi1.02 mi9791-327635+217635+2111535(Top 41%)7780(Top 48%)7780(Top 326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10732

Males

8466

M45-49

8466

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10126

Males

8215

M45-49

8215

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10732

Males

8466

M45-49

8466

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9055

Males

7480

M45-49

7480

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9329

Males

7672

M45-49

7672

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8263

Males

6924

M45-49

6924

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8110

Males

6654

M45-49

6654

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7064

Males

5882

M45-49

5882

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6394

Males

5330

M45-49

5330

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15198

Males

9799

M45-49

9799

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13057

Males

8710

M45-49

8710

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14692

Males

9435

M45-49

9435

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12884

Males

8463

M45-49

8463

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10540

Males

7232

M45-49

7232

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11535

Males

7780

M45-49

7780

Passing Analysis

Category:
Athletes Passed
2865*
Passed By
1480
Net Change
+1385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11176
5K → 10K65774+583#11176#10593
10K → 15K153190-37#10593#10630
15K → 20K45715+442#10630#10188
20K → Half5615+41#10188#10147
Half → 25K390*10+380#10147#9767
25K → 30K43353+380#9767#9387
30K → 20M22812+216#9387#9171
20M → 21M2385+233#9171#8938
21M → 35K21246-225#8938#9163
35K → 23M62281-219#9163#9382
23M → 24M29282-253#9382#9635
24M → 40K39159-120#9635#9755
40K → 25.2M4044-4#9755#9759
25.2M → Finish6294-32#9759#9791
TOTALS2865*1480+1385

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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