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BOSTON MARATHON 2025

Marcin Mrowka

Bib: 15610•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M55-59)
#0 / 1648
Top 9%
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
7:09/mi
22:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
45:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:40
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:30:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:34:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:12/mi
1:52:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:15:29
↑ 181↓ 1480.2%
20M
8:29/mi
2:27:01
↑ 64↓ 500.2%
21M
7:48/mi
2:34:49
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:40:01
↑ 17↓ 861.7%
23M
7:15/mi
2:49:06
↑ 23↓ 630.6%
24M
7:10/mi
2:56:16
↓ 821.3%
40K· 24.85 mi
7:12/mi
3:02:25
↓ 200.3%
25.2M
7:35/mi
3:05:02
↑ 13↓ 160.2%
Finish· 26.22 mi
6:41/mi
3:11:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:52
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:36:59
Pace7:24 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1522:137:0922:13
7:09
-
10K
6.21 mi11:16:2045:187:1723:05
7:26
+0:17
15K
9.32 mi11:38:421:07:407:1622:22
7:12
-0:14
20K
12.43 mi12:01:061:30:047:1522:24
7:13
+0:01
Half
13.11 mi12:05:541:34:527:144:48
7:02
-0:11
25K
15.53 mi12:23:211:52:197:1417:27
7:12
+0:10
30K
18.64 mi12:46:312:15:297:1623:10
7:27
+0:15
20M
20.00 mi12:58:032:27:017:2111:32
8:29
+1:02
21M
21.00 mi13:05:512:34:497:227:48
7:48
-0:41
35K
21.75 mi13:11:032:40:017:215:12
6:57
-0:51
23M
23.00 mi13:20:082:49:067:219:05
7:15
+0:18
24M
24.00 mi13:27:182:56:167:217:10
7:10
-0:05
40K
24.85 mi13:33:273:02:257:206:09
7:12
+0:02
25.2M
25.20 mi13:36:043:05:027:212:37
7:35
+0:23
Finish
26.22 mi13:42:533:11:517:196:49
6:41
-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

6:41 /mi

Average Pace

7:19 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:01

6% of race

Time at Steady Pace

1:51:38

58% of race

Time at Slower Pace

1:08:12

36% of race

Average Pace: 7:19 /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 mi10:53:1522:137:0922:13
7:09
#9050
10K
6.21 mi11:16:2045:187:1723:05
7:26
#10251
15K
9.32 mi11:38:421:07:407:1622:22
7:12
#9844
20K
12.43 mi12:01:061:30:047:1522:24
7:13
#9393
Half
13.11 mi12:05:541:34:527:144:48
7:02
#9312
25K
15.53 mi12:23:211:52:197:1417:27
7:12
#8946
30K
18.64 mi12:46:312:15:297:1623:10
7:27
#8574
20M
20.00 mi12:58:032:27:017:2111:32
8:29
#8958
21M
21.00 mi13:05:512:34:497:227:48
7:48
#8738
35K
21.75 mi13:11:032:40:017:215:12
6:57
#8541
23M
23.00 mi13:20:082:49:067:219:05
7:15
#8240
24M
24.00 mi13:27:182:56:167:217:10
7:10
#8058
40K
24.85 mi13:33:273:02:257:206:09
7:12
#7884
25.2M
25.20 mi13:36:043:05:027:212:37
7:35
#7784
Finish
26.22 mi13:42:533:11:517:196:49
6:41
#7564
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9050763576359093(Top 32%)7598(Top 47%)7598(Top 461%)
10K6.21 mi3.10 mi10251-12018293-6588293-65811434(Top 40%)8868(Top 55%)8868(Top 538%)
15K9.32 mi3.11 mi9844+4078047+2468047+2469093(Top 32%)7598(Top 47%)7598(Top 461%)
20K12.43 mi3.11 mi9393+4517771+2767771+2768271(Top 29%)7025(Top 44%)7025(Top 426%)
Half13.11 mi0.68 mi9312+817731+407731+407782(Top 27%)6744(Top 42%)6744(Top 409%)
25K15.53 mi2.42 mi8946+3667498+2337498+2337575(Top 27%)6491(Top 40%)6491(Top 394%)
30K18.64 mi3.11 mi8574+3727224+2747224+2747418(Top 26%)6223(Top 39%)6223(Top 378%)
20M20.00 mi1.36 mi8958-3847412-1887412-18813677(Top 48%)9292(Top 58%)9292(Top 564%)
21M21.00 mi1.00 mi8738+2207253+1597253+1596172(Top 22%)5173(Top 32%)5173(Top 314%)
35K21.75 mi0.75 mi8541+1977118+1357118+1355049(Top 18%)4416(Top 27%)4416(Top 268%)
23M23.00 mi1.25 mi8240+3016893+2256893+2255202(Top 18%)4453(Top 28%)4453(Top 270%)
24M24.00 mi1.00 mi8058+1826737+1566737+1565605(Top 20%)4668(Top 29%)4668(Top 283%)
40K24.85 mi0.85 mi7884+1746599+1386599+1384996(Top 18%)4206(Top 26%)4206(Top 255%)
25.2M25.20 mi0.35 mi7784+1006521+786521+783809(Top 13%)3291(Top 20%)3291(Top 200%)
Finish26.22 mi1.02 mi7564+2206352+1696352+1693803(Top 13%)3291(Top 20%)3291(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9093

Males

7598

M55-59

7598

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11434

Males

8868

M55-59

8868

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9093

Males

7598

M55-59

7598

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8271

Males

7025

M55-59

7025

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7782

Males

6744

M55-59

6744

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7575

Males

6491

M55-59

6491

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7418

Males

6223

M55-59

6223

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13677

Males

9292

M55-59

9292

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6172

Males

5173

M55-59

5173

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5049

Males

4416

M55-59

4416

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5202

Males

4453

M55-59

4453

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5605

Males

4668

M55-59

4668

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4996

Males

4206

M55-59

4206

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3809

Males

3291

M55-59

3291

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3803

Males

3291

M55-59

3291

Passing Analysis

Category:
Athletes Passed
3274*
Passed By
1786
Net Change
+1486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9050
5K → 10K211220-1201#9050#10251
10K → 15K442*35+407#10251#9844
15K → 20K46918+451#9844#9393
20K → Half843+81#9393#9312
Half → 25K3759+366#9312#8946
25K → 30K42553+372#8946#8574
30K → 20M32416-384#8574#8958
20M → 21M23515+220#8958#8738
21M → 35K1970+197#8738#8541
35K → 23M3065+301#8541#8240
23M → 24M1897+182#8240#8058
24M → 40K1762+174#8058#7884
40K → 25.2M1011+100#7884#7784
25.2M → Finish2222+220#7784#7564
TOTALS3274*1786+1486

* 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