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BOSTON MARATHON 2025

Daniel Lyszczak

Bib: 28869•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
30:53
Rank: #25446
Start → 5K
30:53 | 9:56/mi
10K· 6.21 mi
1:03:21
Rank: #25902 (-456)
5K → 10K
32:28 | 10:27/mi
15K· 9.32 mi
1:35:21
Rank: #25783 (+119)
10K → 15K
32:00 | 10:18/mi
20K· 12.43 mi
2:08:01
Rank: #25616 (+167)
15K → 20K
32:40 | 10:31/mi
Half· 13.11 mi
2:15:05
Rank: #25613 (+3)
20K → Half
7:04 | 10:21/mi
25K· 15.53 mi
2:43:30
Rank: #25732 (-119)
Half → 25K
28:25 | 11:43/mi
30K· 18.64 mi
3:25:12
Rank: #26085 (-353)
25K → 30K
41:42 | 13:25/mi
20M
3:47:36
Rank: #26500 (-415)
30K → 20M
22:24 | 16:29/mi
21M
3:59:19
Rank: #26342 (+158)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
4:08:20
Rank: #26324 (+18)
21M → 35K
9:01 | 12:03/mi
23M
4:29:44
Rank: #26641 (-317)
35K → 23M
21:24 | 17:06/mi
24M
4:43:06
Rank: #26683 (-42)
23M → 24M
13:22 | 13:22/mi
40K· 24.85 mi
4:53:40
Rank: #26664 (+19)
24M → 40K
10:34 | 12:22/mi
25.2M
4:58:38
Rank: #26663 (+1)
40K → 25.2M
4:58 | 14:24/mi
Finish· 26.22 mi
5:10:19
Rank: #26659 (+4)
25.2M → Finish
11:41 | 11:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:05
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:55:14
Pace13:22 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5930:539:5630:53
9:56
-
10K
6.21 mi12:22:271:03:2110:1232:28
10:27
+0:31
15K
9.32 mi12:54:271:35:2110:1432:00
10:18
-0:09
20K
12.43 mi13:27:072:08:0110:1832:40
10:31
+0:13
Half
13.11 mi13:34:112:15:0510:187:04
10:21
-0:10
25K
15.53 mi14:02:362:43:3010:3228:25
11:43
+1:22
30K
18.64 mi14:44:183:25:1211:0041:42
13:25
+1:42
20M
20.00 mi15:06:423:47:3611:2322:24
16:29
+3:04
21M
21.00 mi15:18:253:59:1911:2411:43
11:43
-4:46
35K
21.75 mi15:27:264:08:2011:259:01
12:03
+0:20
23M
23.00 mi15:48:504:29:4411:4421:24
17:06
+5:03
24M
24.00 mi16:02:124:43:0611:4813:22
13:22
-3:44
40K
24.85 mi16:12:464:53:4011:4910:34
12:22
-1:00
25.2M
25.20 mi16:17:444:58:3811:514:58
14:24
+2:02
Finish
26.22 mi16:29:255:10:1911:5111:41
11:28
-2:56

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

9:56 /mi

Average Pace

11:51 /mi

Slowest Pace

17:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:05

44% of race

Time at Steady Pace

1:11:24

23% of race

Time at Slower Pace

1:43:50

33% of race

Average Pace: 11:50 /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 mi11:49:5930:539:5630:53
9:56
#25446
10K
6.21 mi12:22:271:03:2110:1232:28
10:27
#25902
15K
9.32 mi12:54:271:35:2110:1432:00
10:18
#25783
20K
12.43 mi13:27:072:08:0110:1832:40
10:31
#25616
Half
13.11 mi13:34:112:15:0510:187:04
10:21
#25613
25K
15.53 mi14:02:362:43:3010:3228:25
11:43
#25732
30K
18.64 mi14:44:183:25:1211:0041:42
13:25
#26085
20M
20.00 mi15:06:423:47:3611:2322:24
16:29
#26500
21M
21.00 mi15:18:253:59:1911:2411:43
11:43
#26342
35K
21.75 mi15:27:264:08:2011:259:01
12:03
#26324
23M
23.00 mi15:48:504:29:4411:4421:24
17:06
#26641
24M
24.00 mi16:02:124:43:0611:4813:22
13:22
#26683
40K
24.85 mi16:12:464:53:4011:4910:34
12:22
#26664
25.2M
25.20 mi16:17:444:58:3811:514:58
14:24
#26663
Finish
26.22 mi16:29:255:10:1911:5111:41
11:28
#26659
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25446149341493425596(Top 90%)14974(Top 93%)14974(Top 265%)
10K6.21 mi3.10 mi25902-45615122-18815122-18826180(Top 92%)15219(Top 94%)15219(Top 270%)
15K9.32 mi3.11 mi25783+11915060+6215060+6225596(Top 90%)14974(Top 93%)14974(Top 265%)
20K12.43 mi3.11 mi25616+16714978+8214978+8225207(Top 89%)14765(Top 92%)14765(Top 262%)
Half13.11 mi0.68 mi25613+314980-214980-225565(Top 90%)14922(Top 93%)14922(Top 264%)
25K15.53 mi2.42 mi25732-11915016-3615016-3626119(Top 92%)15126(Top 94%)15126(Top 268%)
30K18.64 mi3.11 mi26085-35315149-13315149-13327083(Top 95%)15470(Top 96%)15470(Top 274%)
20M20.00 mi1.36 mi26500-41515315-16615315-16628249(Top 99%)16008(Top 99%)16008(Top 284%)
21M21.00 mi1.00 mi26342+15815234+8115234+8123060(Top 81%)13478(Top 84%)13478(Top 239%)
35K21.75 mi0.75 mi26324+1815213+2115213+2125948(Top 91%)14804(Top 92%)14804(Top 262%)
23M23.00 mi1.25 mi26641-31715341-12815341-12828284(Top 100%)16023(Top 99%)16023(Top 284%)
24M24.00 mi1.00 mi26683-4215356-1515356-1527213(Top 96%)15389(Top 96%)15389(Top 273%)
40K24.85 mi0.85 mi26664+1915338+1815338+1825461(Top 90%)14503(Top 90%)14503(Top 257%)
25.2M25.20 mi0.35 mi26663+115335+315335+326655(Top 94%)15090(Top 94%)15090(Top 267%)
Finish26.22 mi1.02 mi26659+415327+815327+826092(Top 92%)14834(Top 92%)14834(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25596

Males

14974

M18-39

14974

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26180

Males

15219

M18-39

15219

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25596

Males

14974

M18-39

14974

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25207

Males

14765

M18-39

14765

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25565

Males

14922

M18-39

14922

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26119

Males

15126

M18-39

15126

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

27083

Males

15470

M18-39

15470

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28249

Males

16008

M18-39

16008

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23060

Males

13478

M18-39

13478

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25948

Males

14804

M18-39

14804

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

28284

Males

16023

M18-39

16023

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27213

Males

15389

M18-39

15389

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25461

Males

14503

M18-39

14503

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26655

Males

15090

M18-39

15090

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26092

Males

14834

M18-39

14834

Passing Analysis

Category:
Athletes Passed
859
Passed By
2072
Net Change
-1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25446
5K → 10K67523-456#25446#25902
10K → 15K18970+119#25902#25783
15K → 20K21346+167#25783#25616
20K → Half2017+3#25616#25613
Half → 25K65184-119#25613#25732
25K → 30K30383-353#25732#26085
30K → 20M4419-415#26085#26500
20M → 21M1602+158#26500#26342
21M → 35K3214+18#26342#26324
35K → 23M5322-317#26324#26641
23M → 24M547-42#26641#26683
24M → 40K3415+19#26683#26664
40K → 25.2M98+1#26664#26663
25.2M → Finish2622+4#26663#26659
TOTALS8592072-1213
📊

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