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BOSTON MARATHON 2025

Michael Bucklin

Bib: 5703•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #4249
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:27
Rank: #3852 (+397)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
1:00:16
Rank: #3431 (+421)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:20:09
Rank: #3157 (+274)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:28
Rank: #3127 (+30)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:40:07
Rank: #3020 (+107)
Half → 25K
15:39 | 6:27/mi
30K· 18.64 mi
2:00:51
Rank: #2929 (+91)
25K → 30K
20:44 | 6:40/mi
20M
2:09:58
Rank: #2860 (+69)
30K → 20M
9:07 | 6:43/mi
21M
2:17:01
Rank: #2805 (+55)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:21:48
Rank: #2755 (+50)
21M → 35K
4:47 | 6:24/mi
23M
2:30:00
Rank: #2641 (+114)
35K → 23M
8:12 | 6:33/mi
24M
2:36:29
Rank: #2575 (+66)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:42:09
Rank: #2522 (+53)
24M → 40K
5:40 | 6:38/mi
25.2M
2:44:35
Rank: #2499 (+23)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:51:00
Rank: #2439 (+60)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:28
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3720:226:3320:22
6:33
-
10K
6.21 mi10:45:4240:276:3120:05
6:28
-0:05
15K
9.32 mi11:05:311:00:166:2819:49
6:23
-0:05
20K
12.43 mi11:25:241:20:096:2719:53
6:24
+0:01
Half
13.11 mi11:29:431:24:286:274:19
6:20
-0:04
25K
15.53 mi11:45:221:40:076:2715:39
6:27
+0:07
30K
18.64 mi12:06:062:00:516:2920:44
6:40
+0:13
20M
20.00 mi12:15:132:09:586:309:07
6:43
+0:03
21M
21.00 mi12:22:162:17:016:317:03
7:03
+0:20
35K
21.75 mi12:27:032:21:486:314:47
6:24
-0:39
23M
23.00 mi12:35:152:30:006:318:12
6:33
+0:09
24M
24.00 mi12:41:442:36:296:316:29
6:29
-0:04
40K
24.85 mi12:47:242:42:096:315:40
6:38
+0:09
25.2M
25.20 mi12:49:502:44:356:322:26
7:03
+0:25
Finish
26.22 mi12:56:152:51:006:326:25
6:18
-0:45

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

6:18 /mi

Average Pace

6:32 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:31

94% of race

Time at Steady Pace

9:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:25:3720:226:3320:22
6:33
#4249
10K
6.21 mi10:45:4240:276:3120:05
6:28
#3852
15K
9.32 mi11:05:311:00:166:2819:49
6:23
#3431
20K
12.43 mi11:25:241:20:096:2719:53
6:24
#3157
Half
13.11 mi11:29:431:24:286:274:19
6:20
#3127
25K
15.53 mi11:45:221:40:076:2715:39
6:27
#3020
30K
18.64 mi12:06:062:00:516:2920:44
6:40
#2929
20M
20.00 mi12:15:132:09:586:309:07
6:43
#2860
21M
21.00 mi12:22:162:17:016:317:03
7:03
#2805
35K
21.75 mi12:27:032:21:486:314:47
6:24
#2755
23M
23.00 mi12:35:152:30:006:318:12
6:33
#2641
24M
24.00 mi12:41:442:36:296:316:29
6:29
#2575
40K
24.85 mi12:47:242:42:096:315:40
6:38
#2522
25.2M
25.20 mi12:49:502:44:356:322:26
7:03
#2499
Finish
26.22 mi12:56:152:51:006:326:25
6:18
#2439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4249399839982804(Top 10%)2670(Top 17%)2670(Top 119%)
10K6.21 mi3.10 mi3852+3973643+3553643+3553477(Top 12%)3296(Top 20%)3296(Top 147%)
15K9.32 mi3.11 mi3431+4213258+3853258+3852804(Top 10%)2670(Top 17%)2670(Top 119%)
20K12.43 mi3.11 mi3157+2743008+2503008+2502524(Top 9%)2406(Top 15%)2406(Top 107%)
Half13.11 mi0.68 mi3127+302981+272981+272690(Top 9%)2573(Top 16%)2573(Top 115%)
25K15.53 mi2.42 mi3020+1072878+1032878+1032646(Top 9%)2519(Top 16%)2519(Top 112%)
30K18.64 mi3.11 mi2929+912789+892789+892766(Top 10%)2618(Top 16%)2618(Top 117%)
20M20.00 mi1.36 mi2860+692723+662723+662510(Top 9%)2364(Top 15%)2364(Top 105%)
21M21.00 mi1.00 mi2805+552671+522671+522461(Top 9%)2297(Top 14%)2297(Top 102%)
35K21.75 mi0.75 mi2755+502621+502621+502022(Top 7%)1896(Top 12%)1896(Top 84%)
23M23.00 mi1.25 mi2641+1142510+1112510+1111649(Top 6%)1542(Top 10%)1542(Top 69%)
24M24.00 mi1.00 mi2575+662442+682442+681994(Top 7%)1851(Top 11%)1851(Top 82%)
40K24.85 mi0.85 mi2522+532392+502392+502090(Top 7%)1928(Top 12%)1928(Top 86%)
25.2M25.20 mi0.35 mi2499+232370+222370+221694(Top 6%)1551(Top 10%)1551(Top 69%)
Finish26.22 mi1.02 mi2439+602312+582312+581889(Top 7%)1744(Top 11%)1744(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2804

Males

2670

M40-44

2670

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3477

Males

3296

M40-44

3296

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2804

Males

2670

M40-44

2670

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2524

Males

2406

M40-44

2406

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2690

Males

2573

M40-44

2573

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2646

Males

2519

M40-44

2519

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2766

Males

2618

M40-44

2618

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2510

Males

2364

M40-44

2364

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2461

Males

2297

M40-44

2297

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2022

Males

1896

M40-44

1896

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1649

Males

1542

M40-44

1542

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1994

Males

1851

M40-44

1851

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2090

Males

1928

M40-44

1928

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1694

Males

1551

M40-44

1551

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1889

Males

1744

M40-44

1744

Passing Analysis

Category:
Athletes Passed
2021
Passed By
211
Net Change
+1810
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4249
5K → 10K42730+397#4249#3852
10K → 15K4254+421#3852#3431
15K → 20K2806+274#3431#3157
20K → Half333+30#3157#3127
Half → 25K12013+107#3127#3020
25K → 30K16170+91#3020#2929
30K → 20M8718+69#2929#2860
20M → 21M7520+55#2860#2805
21M → 35K588+50#2805#2755
35K → 23M1217+114#2755#2641
23M → 24M7610+66#2641#2575
24M → 40K6411+53#2575#2522
40K → 25.2M241+23#2522#2499
25.2M → Finish7010+60#2499#2439
TOTALS2021211+1810
📊

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