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BOSTON MARATHON 2025

Mark Buciak

Bib: 16779•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 (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:17
Rank: #24964
Start → 5K
30:17 | 9:45/mi
10K· 6.21 mi
1:01:59
Rank: #25375 (-411)
5K → 10K
31:42 | 10:12/mi
15K· 9.32 mi
1:34:08
Rank: #25531 (-156)
10K → 15K
32:09 | 10:21/mi
20K· 12.43 mi
2:08:40
Rank: #25700 (-169)
15K → 20K
34:32 | 11:07/mi
Half· 13.11 mi
2:15:52
Rank: #25711 (-11)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:41:47
Rank: #25547 (+164)
Half → 25K
25:55 | 10:41/mi
30K· 18.64 mi
3:17:28
Rank: #25402 (+145)
25K → 30K
35:41 | 11:29/mi
20M
3:33:35
Rank: #25382 (+20)
30K → 20M
16:07 | 11:52/mi
21M
3:46:53
Rank: #25410 (-28)
20M → 21M
13:18 | 13:18/mi
35K· 21.75 mi
3:56:03
Rank: #25439 (-29)
21M → 35K
9:10 | 12:15/mi
23M
4:11:38
Rank: #25459 (-20)
35K → 23M
15:35 | 12:27/mi
24M
4:24:20
Rank: #25545 (-86)
23M → 24M
12:42 | 12:42/mi
40K· 24.85 mi
4:35:34
Rank: #25612 (-67)
24M → 40K
11:14 | 13:08/mi
25.2M
4:40:31
Rank: #25641 (-29)
40K → 25.2M
4:57 | 14:21/mi
Finish· 26.22 mi
4:51:40
Rank: #25630 (+11)
25.2M → Finish
11:09 | 10:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:52
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time2:35:48
Pace11:53 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1230:179:4530:17
9:45
-
10K
6.21 mi11:34:541:01:599:5931:42
10:12
+0:27
15K
9.32 mi12:07:031:34:0810:0632:09
10:21
+0:09
20K
12.43 mi12:41:352:08:4010:2134:32
11:07
+0:46
Half
13.11 mi12:48:472:15:5210:227:12
10:33
-0:34
25K
15.53 mi13:14:422:41:4710:2525:55
10:41
+0:08
30K
18.64 mi13:50:233:17:2810:3635:41
11:29
+0:48
20M
20.00 mi14:06:303:33:3510:4116:07
11:52
+0:23
21M
21.00 mi14:19:483:46:5310:4813:18
13:18
+1:26
35K
21.75 mi14:28:583:56:0310:519:10
12:15
-1:03
23M
23.00 mi14:44:334:11:3810:5615:35
12:27
+0:12
24M
24.00 mi14:57:154:24:2011:0112:42
12:42
+0:15
40K
24.85 mi15:08:294:35:3411:0511:14
13:08
+0:26
25.2M
25.20 mi15:13:264:40:3111:084:57
14:21
+1:13
Finish
26.22 mi15:24:354:51:4011:0811:09
10:56
-3:25

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

9:45 /mi

Average Pace

11:08 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:15

44% of race

Time at Steady Pace

1:37:29

33% of race

Time at Slower Pace

1:06:56

23% of race

Average Pace: 11:07 /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 mi11:03:1230:179:4530:17
9:45
#24964
10K
6.21 mi11:34:541:01:599:5931:42
10:12
#25375
15K
9.32 mi12:07:031:34:0810:0632:09
10:21
#25531
20K
12.43 mi12:41:352:08:4010:2134:32
11:07
#25700
Half
13.11 mi12:48:472:15:5210:227:12
10:33
#25711
25K
15.53 mi13:14:422:41:4710:2525:55
10:41
#25547
30K
18.64 mi13:50:233:17:2810:3635:41
11:29
#25402
20M
20.00 mi14:06:303:33:3510:4116:07
11:52
#25382
21M
21.00 mi14:19:483:46:5310:4813:18
13:18
#25410
35K
21.75 mi14:28:583:56:0310:519:10
12:15
#25439
23M
23.00 mi14:44:334:11:3810:5615:35
12:27
#25459
24M
24.00 mi14:57:154:24:2011:0112:42
12:42
#25545
40K
24.85 mi15:08:294:35:3411:0511:14
13:08
#25612
25.2M
25.20 mi15:13:264:40:3111:084:57
14:21
#25641
Finish
26.22 mi15:24:354:51:4011:0811:09
10:56
#25630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24964147091470925676(Top 90%)15008(Top 93%)15008(Top 1192%)
10K6.21 mi3.10 mi25375-41114876-16714876-16725750(Top 91%)15028(Top 93%)15028(Top 1194%)
15K9.32 mi3.11 mi25531-15614953-7714953-7725676(Top 90%)15008(Top 93%)15008(Top 1192%)
20K12.43 mi3.11 mi25700-16915019-6615019-6626171(Top 92%)15205(Top 94%)15205(Top 1208%)
Half13.11 mi0.68 mi25711-1115025-615025-625878(Top 91%)15052(Top 93%)15052(Top 1196%)
25K15.53 mi2.42 mi25547+16414936+8914936+8924697(Top 87%)14508(Top 90%)14508(Top 1152%)
30K18.64 mi3.11 mi25402+14514833+10314833+10324827(Top 87%)14455(Top 90%)14455(Top 1148%)
20M20.00 mi1.36 mi25382+2014813+2014813+2025073(Top 88%)14495(Top 90%)14495(Top 1151%)
21M21.00 mi1.00 mi25410-2814805+814805+825436(Top 90%)14593(Top 91%)14593(Top 1159%)
35K21.75 mi0.75 mi25439-2914812-714812-726191(Top 92%)14932(Top 93%)14932(Top 1186%)
23M23.00 mi1.25 mi25459-2014806+614806+625736(Top 91%)14699(Top 91%)14699(Top 1168%)
24M24.00 mi1.00 mi25545-8614839-3314839-3326537(Top 93%)15083(Top 94%)15083(Top 1198%)
40K24.85 mi0.85 mi25612-6714856-1714856-1726427(Top 93%)15015(Top 93%)15015(Top 1193%)
25.2M25.20 mi0.35 mi25641-2914866-1014866-1026612(Top 94%)15069(Top 94%)15069(Top 1197%)
Finish26.22 mi1.02 mi25630+1114852+1414852+1425263(Top 89%)14418(Top 90%)14418(Top 1145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25676

Males

15008

M60-64

15008

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25750

Males

15028

M60-64

15028

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25676

Males

15008

M60-64

15008

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26171

Males

15205

M60-64

15205

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25878

Males

15052

M60-64

15052

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24697

Males

14508

M60-64

14508

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24827

Males

14455

M60-64

14455

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25073

Males

14495

M60-64

14495

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25436

Males

14593

M60-64

14593

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26191

Males

14932

M60-64

14932

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25736

Males

14699

M60-64

14699

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26537

Males

15083

M60-64

15083

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26427

Males

15015

M60-64

15015

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26612

Males

15069

M60-64

15069

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

25263

Males

14418

M60-64

14418

Passing Analysis

Category:
Athletes Passed
865
Passed By
1531
Net Change
-666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24964
5K → 10K74485-411#24964#25375
10K → 15K78234-156#25375#25531
15K → 20K76245-169#25531#25700
20K → Half1223-11#25700#25711
Half → 25K19935+164#25711#25547
25K → 30K19348+145#25547#25402
30K → 20M6646+20#25402#25382
20M → 21M4068-28#25382#25410
21M → 35K1746-29#25410#25439
35K → 23M3454-20#25439#25459
23M → 24M18104-86#25459#25545
24M → 40K1885-67#25545#25612
40K → 25.2M433-29#25612#25641
25.2M → Finish3625+11#25641#25630
TOTALS8651531-666
📊

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