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BOSTON MARATHON 2025

Thomas Persinski

Bib: 30973•M

NY

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
27:26
Rank: #21664
Start → 5K
27:26 | 8:50/mi
10K· 6.21 mi
57:25
Rank: #23347 (-1683)
5K → 10K
29:59 | 9:39/mi
15K· 9.32 mi
1:29:43
Rank: #24380 (-1033)
10K → 15K
32:18 | 10:24/mi
20K· 12.43 mi
2:06:41
Rank: #25423 (-1043)
15K → 20K
36:58 | 11:54/mi
Half· 13.11 mi
2:13:24
Rank: #25369 (+54)
20K → Half
6:43 | 9:51/mi
25K· 15.53 mi
2:40:04
Rank: #25334 (+35)
Half → 25K
26:40 | 11:00/mi
30K· 18.64 mi
3:16:16
Rank: #25293 (+41)
25K → 30K
36:12 | 11:39/mi
20M
3:31:03
Rank: #25157 (+136)
30K → 20M
14:47 | 10:53/mi
21M
3:42:34
Rank: #25048 (+109)
20M → 21M
11:31 | 11:31/mi
35K· 21.75 mi
3:50:04
Rank: #24981 (+67)
21M → 35K
7:30 | 10:01/mi
23M
4:03:04
Rank: #24829 (+152)
35K → 23M
13:00 | 10:23/mi
24M
4:13:01
Rank: #24711 (+118)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
4:21:55
Rank: #24617 (+94)
24M → 40K
8:54 | 10:25/mi
25.2M
4:25:33
Rank: #24553 (+64)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:35:19
Rank: #24482 (+71)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:24
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:21:55
Pace10:50 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2827:268:5027:26
8:50
-
10K
6.21 mi12:22:2757:259:1429:59
9:39
+0:49
15K
9.32 mi12:54:451:29:439:3832:18
10:24
+0:45
20K
12.43 mi13:31:432:06:4110:1236:58
11:54
+1:30
Half
13.11 mi13:38:262:13:2410:116:43
9:51
-2:03
25K
15.53 mi14:05:062:40:0410:1826:40
11:00
+1:09
30K
18.64 mi14:41:183:16:1610:3236:12
11:39
+0:39
20M
20.00 mi14:56:053:31:0310:3314:47
10:53
-0:46
21M
21.00 mi15:07:363:42:3410:3611:31
11:31
+0:38
35K
21.75 mi15:15:063:50:0410:357:30
10:01
-1:30
23M
23.00 mi15:28:064:03:0410:3413:00
10:23
+0:22
24M
24.00 mi15:38:034:13:0110:339:57
9:57
-0:26
40K
24.85 mi15:46:574:21:5510:328:54
10:25
+0:28
25.2M
25.20 mi15:50:354:25:3310:323:38
10:32
+0:07
Finish
26.22 mi16:00:214:35:1910:309:46
9:35
-0:57

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

8:50 /mi

Average Pace

10:30 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:51

30% of race

Time at Steady Pace

1:05:20

24% of race

Time at Slower Pace

2:06:08

46% of race

Average Pace: 10:30 /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 mi11:52:2827:268:5027:26
8:50
#21664
10K
6.21 mi12:22:2757:259:1429:59
9:39
#23347
15K
9.32 mi12:54:451:29:439:3832:18
10:24
#24380
20K
12.43 mi13:31:432:06:4110:1236:58
11:54
#25423
Half
13.11 mi13:38:262:13:2410:116:43
9:51
#25369
25K
15.53 mi14:05:062:40:0410:1826:40
11:00
#25334
30K
18.64 mi14:41:183:16:1610:3236:12
11:39
#25293
20M
20.00 mi14:56:053:31:0310:3314:47
10:53
#25157
21M
21.00 mi15:07:363:42:3410:3611:31
11:31
#25048
35K
21.75 mi15:15:063:50:0410:357:30
10:01
#24981
23M
23.00 mi15:28:064:03:0410:3413:00
10:23
#24829
24M
24.00 mi15:38:034:13:0110:339:57
9:57
#24711
40K
24.85 mi15:46:574:21:5510:328:54
10:25
#24617
25.2M
25.20 mi15:50:354:25:3310:323:38
10:32
#24553
Finish
26.22 mi16:00:214:35:1910:309:46
9:35
#24482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21664131631316325760(Top 91%)15039(Top 93%)15039(Top 267%)
10K6.21 mi3.10 mi23347-168313944-78113944-78124485(Top 86%)14466(Top 90%)14466(Top 256%)
15K9.32 mi3.11 mi24380-103314425-48114425-48125760(Top 91%)15039(Top 93%)15039(Top 267%)
20K12.43 mi3.11 mi25423-104314889-46414889-46427031(Top 95%)15554(Top 97%)15554(Top 276%)
Half13.11 mi0.68 mi25369+5414865+2414865+2424479(Top 86%)14430(Top 90%)14430(Top 256%)
25K15.53 mi2.42 mi25334+3514837+2814837+2825207(Top 89%)14731(Top 91%)14731(Top 261%)
30K18.64 mi3.11 mi25293+4114785+5214785+5225069(Top 88%)14561(Top 90%)14561(Top 258%)
20M20.00 mi1.36 mi25157+13614710+7514710+7523336(Top 82%)13685(Top 85%)13685(Top 243%)
21M21.00 mi1.00 mi25048+10914655+5514655+5522648(Top 80%)13268(Top 82%)13268(Top 235%)
35K21.75 mi0.75 mi24981+6714616+3914616+3921967(Top 77%)12893(Top 80%)12893(Top 229%)
23M23.00 mi1.25 mi24829+15214533+8314533+8321695(Top 76%)12730(Top 79%)12730(Top 226%)
24M24.00 mi1.00 mi24711+11814456+7714456+7721216(Top 75%)12454(Top 77%)12454(Top 221%)
40K24.85 mi0.85 mi24617+9414405+5114405+5121667(Top 76%)12596(Top 78%)12596(Top 223%)
25.2M25.20 mi0.35 mi24553+6414376+2914376+2919134(Top 67%)11392(Top 71%)11392(Top 202%)
Finish26.22 mi1.02 mi24482+7114327+4914327+4921489(Top 76%)12536(Top 78%)12536(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25760

Males

15039

M18-39

15039

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24485

Males

14466

M18-39

14466

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25760

Males

15039

M18-39

15039

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27031

Males

15554

M18-39

15554

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24479

Males

14430

M18-39

14430

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25207

Males

14731

M18-39

14731

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25069

Males

14561

M18-39

14561

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23336

Males

13685

M18-39

13685

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22648

Males

13268

M18-39

13268

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21967

Males

12893

M18-39

12893

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21695

Males

12730

M18-39

12730

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21216

Males

12454

M18-39

12454

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21667

Males

12596

M18-39

12596

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19134

Males

11392

M18-39

11392

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21489

Males

12536

M18-39

12536

Passing Analysis

Category:
Athletes Passed
1196
Passed By
4014
Net Change
-2818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21664
5K → 10K131696-1683#21664#23347
10K → 15K231056-1033#23347#24380
15K → 20K71050-1043#24380#25423
20K → Half551+54#25423#25369
Half → 25K11277+35#25369#25334
25K → 30K147106+41#25334#25293
30K → 20M1415+136#25293#25157
20M → 21M1178+109#25157#25048
21M → 35K703+67#25048#24981
35K → 23M1553+152#24981#24829
23M → 24M1202+118#24829#24711
24M → 40K973+94#24711#24617
40K → 25.2M640+64#24617#24553
25.2M → Finish754+71#24553#24482
TOTALS11964014-2818
📊

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