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BOSTON MARATHON 2025

Krzysztof Wasik

Bib: 19433•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:11
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:36:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:41:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:45/mi
2:03:07
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:32:26
↑ 181↓ 1480.2%
20M
9:20/mi
2:45:07
↑ 64↓ 500.2%
21M
10:08/mi
2:55:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
3:01:30
↑ 17↓ 861.7%
23M
9:19/mi
3:13:10
↑ 23↓ 630.6%
24M
9:15/mi
3:22:25
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:30:09
↓ 200.3%
25.2M
8:54/mi
3:33:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:41:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:55
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:59:15
Pace9:06 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5524:197:5024:19
7:50
-
10K
6.21 mi11:40:4348:077:4523:48
7:40
-0:10
15K
9.32 mi12:04:471:12:117:4524:04
7:45
+0:05
20K
12.43 mi12:29:141:36:387:4724:27
7:52
+0:07
Half
13.11 mi12:34:311:41:557:465:17
7:45
-0:07
25K
15.53 mi12:55:432:03:077:5621:12
8:45
+1:00
30K
18.64 mi13:25:022:32:268:1129:19
9:26
+0:41
20M
20.00 mi13:37:432:45:078:1512:41
9:20
-0:06
21M
21.00 mi13:47:512:55:158:2110:08
10:08
+0:48
35K
21.75 mi13:54:063:01:308:216:15
8:21
-1:47
23M
23.00 mi14:05:463:13:108:2411:40
9:19
+0:58
24M
24.00 mi14:15:013:22:258:269:15
9:15
-0:04
40K
24.85 mi14:22:453:30:098:277:44
9:03
-0:12
25.2M
25.20 mi14:25:493:33:138:283:04
8:54
-0:09
Finish
26.22 mi14:33:463:41:108:267:57
7:48
-1:06

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

7:40 /mi

Average Pace

8:26 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:07

53% of race

Time at Steady Pace

32:00

14% of race

Time at Slower Pace

1:13:03

33% of race

Average Pace: 8:26 /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 mi11:16:5524:197:5024:19
7:50
#15041
10K
6.21 mi11:40:4348:077:4523:48
7:40
#14272
15K
9.32 mi12:04:471:12:117:4524:04
7:45
#14147
20K
12.43 mi12:29:141:36:387:4724:27
7:52
#14047
Half
13.11 mi12:34:311:41:557:465:17
7:45
#14026
25K
15.53 mi12:55:432:03:077:5621:12
8:45
#14949
30K
18.64 mi13:25:022:32:268:1129:19
9:26
#16065
20M
20.00 mi13:37:432:45:078:1512:41
9:20
#16228
21M
21.00 mi13:47:512:55:158:2110:08
10:08
#16358
35K
21.75 mi13:54:063:01:308:216:15
8:21
#16265
23M
23.00 mi14:05:463:13:108:2411:40
9:19
#16331
24M
24.00 mi14:15:013:22:258:269:15
9:15
#16439
40K
24.85 mi14:22:453:30:098:277:44
9:03
#16430
25.2M
25.20 mi14:25:493:33:138:283:04
8:54
#16348
Finish
26.22 mi14:33:463:41:108:267:57
7:48
#16157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15041104411044113897(Top 49%)9904(Top 61%)9904(Top 601%)
10K6.21 mi3.10 mi14272+76910131+31010131+31013542(Top 48%)9819(Top 61%)9819(Top 596%)
15K9.32 mi3.11 mi14147+12510048+8310048+8313897(Top 49%)9904(Top 61%)9904(Top 601%)
20K12.43 mi3.11 mi14047+1009980+689980+6813838(Top 49%)9799(Top 61%)9799(Top 595%)
Half13.11 mi0.68 mi14026+219968+129968+1213764(Top 48%)9813(Top 61%)9813(Top 595%)
25K15.53 mi2.42 mi14949-92310317-34910317-34918626(Top 66%)11802(Top 73%)11802(Top 716%)
30K18.64 mi3.11 mi16065-111610758-44110758-44119678(Top 69%)12138(Top 75%)12138(Top 737%)
20M20.00 mi1.36 mi16228-16310784-2610784-2618419(Top 65%)11407(Top 71%)11407(Top 692%)
21M21.00 mi1.00 mi16358-13010809-2510809-2518773(Top 66%)11499(Top 71%)11499(Top 698%)
35K21.75 mi0.75 mi16265+9310746+6310746+6314595(Top 51%)9549(Top 59%)9549(Top 579%)
23M23.00 mi1.25 mi16331-6610755-910755-917830(Top 63%)10879(Top 68%)10879(Top 660%)
24M24.00 mi1.00 mi16439-10810763-810763-818560(Top 65%)11189(Top 69%)11189(Top 679%)
40K24.85 mi0.85 mi16430+910735+2810735+2816550(Top 58%)10171(Top 63%)10171(Top 617%)
25.2M25.20 mi0.35 mi16348+8210692+4310692+4311184(Top 39%)7590(Top 47%)7590(Top 461%)
Finish26.22 mi1.02 mi16157+19110593+9910593+9911452(Top 40%)7747(Top 48%)7747(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13897

Males

9904

M55-59

9904

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13542

Males

9819

M55-59

9819

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13897

Males

9904

M55-59

9904

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13838

Males

9799

M55-59

9799

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13764

Males

9813

M55-59

9813

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18626

Males

11802

M55-59

11802

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19678

Males

12138

M55-59

12138

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18419

Males

11407

M55-59

11407

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18773

Males

11499

M55-59

11499

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14595

Males

9549

M55-59

9549

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17830

Males

10879

M55-59

10879

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18560

Males

11189

M55-59

11189

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16550

Males

10171

M55-59

10171

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11184

Males

7590

M55-59

7590

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11452

Males

7747

M55-59

7747

Passing Analysis

Category:
Athletes Passed
2251
Passed By
3367
Net Change
-1116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15041
5K → 10K84071+769#15041#14272
10K → 15K264139+125#14272#14147
15K → 20K260160+100#14147#14047
20K → Half5029+21#14047#14026
Half → 25K35958-923#14026#14949
25K → 30K501166-1116#14949#16065
30K → 20M71234-163#16065#16228
20M → 21M67197-130#16228#16358
21M → 35K10714+93#16358#16265
35K → 23M89155-66#16265#16331
23M → 24M59167-108#16331#16439
24M → 40K6960+9#16439#16430
40K → 25.2M864+82#16430#16348
25.2M → Finish20413+191#16348#16157
TOTALS22513367-1116
📊

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