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BOSTON MARATHON 2025

Sam Wollak

Bib: 28259•M

CT

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
28:36
Rank: #23246
Start → 5K
28:36 | 9:12/mi
10K· 6.21 mi
56:42
Rank: #22916 (+330)
5K → 10K
28:06 | 9:03/mi
15K· 9.32 mi
1:24:45
Rank: #22663 (+253)
10K → 15K
28:03 | 9:02/mi
20K· 12.43 mi
1:53:18
Rank: #22431 (+232)
15K → 20K
28:33 | 9:11/mi
Half· 13.11 mi
1:59:23
Rank: #22370 (+61)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:22:24
Rank: #22314 (+56)
Half → 25K
23:01 | 9:30/mi
30K· 18.64 mi
2:52:49
Rank: #22060 (+254)
25K → 30K
30:25 | 9:47/mi
20M
3:06:00
Rank: #21872 (+188)
30K → 20M
13:11 | 9:42/mi
21M
3:16:04
Rank: #21670 (+202)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
3:23:12
Rank: #21622 (+48)
21M → 35K
7:08 | 9:32/mi
23M
3:35:36
Rank: #21525 (+97)
35K → 23M
12:24 | 9:54/mi
24M
3:45:13
Rank: #21446 (+79)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:53:45
Rank: #21405 (+41)
24M → 40K
8:32 | 9:59/mi
25.2M
3:57:21
Rank: #21361 (+44)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:06:26
Rank: #21256 (+105)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:23
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:07:03
Pace9:42 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1328:369:1228:36
9:12
-
10K
6.21 mi12:14:1956:429:0728:06
9:03
-0:09
15K
9.32 mi12:42:221:24:459:0628:03
9:02
-0:01
20K
12.43 mi13:10:551:53:189:0728:33
9:11
+0:09
Half
13.11 mi13:17:001:59:239:066:05
8:55
-0:16
25K
15.53 mi13:40:012:22:249:1023:01
9:30
+0:35
30K
18.64 mi14:10:262:52:499:1630:25
9:47
+0:17
20M
20.00 mi14:23:373:06:009:1813:11
9:42
-0:05
21M
21.00 mi14:33:413:16:049:2010:04
10:04
+0:22
35K
21.75 mi14:40:493:23:129:217:08
9:32
-0:32
23M
23.00 mi14:53:133:35:369:2212:24
9:54
+0:22
24M
24.00 mi15:02:503:45:139:239:37
9:37
-0:17
40K
24.85 mi15:11:223:53:459:248:32
9:59
+0:22
25.2M
25.20 mi15:14:583:57:219:253:36
10:26
+0:27
Finish
26.22 mi15:24:034:06:269:249:05
8:55
-1:31

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

8:55 /mi

Average Pace

9:24 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:50

86% of race

Time at Steady Pace

34:36

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:24 /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 mi11:46:1328:369:1228:36
9:12
#23246
10K
6.21 mi12:14:1956:429:0728:06
9:03
#22916
15K
9.32 mi12:42:221:24:459:0628:03
9:02
#22663
20K
12.43 mi13:10:551:53:189:0728:33
9:11
#22431
Half
13.11 mi13:17:001:59:239:066:05
8:55
#22370
25K
15.53 mi13:40:012:22:249:1023:01
9:30
#22314
30K
18.64 mi14:10:262:52:499:1630:25
9:47
#22060
20M
20.00 mi14:23:373:06:009:1813:11
9:42
#21872
21M
21.00 mi14:33:413:16:049:2010:04
10:04
#21670
35K
21.75 mi14:40:493:23:129:217:08
9:32
#21622
23M
23.00 mi14:53:133:35:369:2212:24
9:54
#21525
24M
24.00 mi15:02:503:45:139:239:37
9:37
#21446
40K
24.85 mi15:11:223:53:459:248:32
9:59
#21405
25.2M
25.20 mi15:14:583:57:219:253:36
10:26
#21361
Finish
26.22 mi15:24:034:06:269:249:05
8:55
#21256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23246138821388222156(Top 78%)13454(Top 84%)13454(Top 238%)
10K6.21 mi3.10 mi22916+33013747+13513747+13522571(Top 79%)13604(Top 84%)13604(Top 241%)
15K9.32 mi3.11 mi22663+25313657+9013657+9022156(Top 78%)13454(Top 84%)13454(Top 238%)
20K12.43 mi3.11 mi22431+23213540+11713540+11721838(Top 77%)13279(Top 82%)13279(Top 235%)
Half13.11 mi0.68 mi22370+6113504+3613504+3621450(Top 76%)13106(Top 81%)13106(Top 232%)
25K15.53 mi2.42 mi22314+5613487+1713487+1721827(Top 77%)13210(Top 82%)13210(Top 234%)
30K18.64 mi3.11 mi22060+25413347+14013347+14020959(Top 74%)12694(Top 79%)12694(Top 225%)
20M20.00 mi1.36 mi21872+18813249+9813249+9819936(Top 70%)12135(Top 75%)12135(Top 215%)
21M21.00 mi1.00 mi21670+20213127+12213127+12218561(Top 65%)11424(Top 71%)11424(Top 202%)
35K21.75 mi0.75 mi21622+4813097+3013097+3020434(Top 72%)12175(Top 76%)12175(Top 216%)
23M23.00 mi1.25 mi21525+9713023+7413023+7420162(Top 71%)11982(Top 74%)11982(Top 212%)
24M24.00 mi1.00 mi21446+7912971+5212971+5220053(Top 71%)11893(Top 74%)11893(Top 211%)
40K24.85 mi0.85 mi21405+4112929+4212929+4220409(Top 72%)11994(Top 74%)11994(Top 213%)
25.2M25.20 mi0.35 mi21361+4412897+3212897+3218775(Top 66%)11219(Top 70%)11219(Top 199%)
Finish26.22 mi1.02 mi21256+10512838+5912838+5918594(Top 65%)11174(Top 69%)11174(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22156

Males

13454

M18-39

13454

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22571

Males

13604

M18-39

13604

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22156

Males

13454

M18-39

13454

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21838

Males

13279

M18-39

13279

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21450

Males

13106

M18-39

13106

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21827

Males

13210

M18-39

13210

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20959

Males

12694

M18-39

12694

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19936

Males

12135

M18-39

12135

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18561

Males

11424

M18-39

11424

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20434

Males

12175

M18-39

12175

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20162

Males

11982

M18-39

11982

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20053

Males

11893

M18-39

11893

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20409

Males

11994

M18-39

11994

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18775

Males

11219

M18-39

11219

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18594

Males

11174

M18-39

11174

Passing Analysis

Category:
Athletes Passed
2533
Passed By
543
Net Change
+1990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23246
5K → 10K42393+330#23246#22916
10K → 15K32067+253#22916#22663
15K → 20K28856+232#22663#22431
20K → Half709+61#22431#22370
Half → 25K167111+56#22370#22314
25K → 30K32268+254#22314#22060
30K → 20M20012+188#22060#21872
20M → 21M21412+202#21872#21670
21M → 35K6618+48#21670#21622
35K → 23M12629+97#21622#21525
23M → 24M9819+79#21525#21446
24M → 40K7938+41#21446#21405
40K → 25.2M495+44#21405#21361
25.2M → Finish1116+105#21361#21256
TOTALS2533543+1990
📊

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