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BOSTON MARATHON 2025

Matthew Macmaster

Bib: 5866•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #16573
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
51:00
Rank: #18030 (-1457)
5K → 10K
26:09 | 8:25/mi
15K· 9.32 mi
1:17:50
Rank: #18727 (-697)
10K → 15K
26:50 | 8:38/mi
20K· 12.43 mi
1:45:24
Rank: #19155 (-428)
15K → 20K
27:34 | 8:52/mi
Half· 13.11 mi
1:51:18
Rank: #19198 (-43)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:13:03
Rank: #19292 (-94)
Half → 25K
21:45 | 8:58/mi
30K· 18.64 mi
2:41:53
Rank: #19250 (+42)
25K → 30K
28:50 | 9:17/mi
20M
2:54:52
Rank: #19251 (-1)
30K → 20M
12:59 | 9:33/mi
21M
3:04:44
Rank: #19159 (+92)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
3:11:24
Rank: #19118 (+41)
21M → 35K
6:40 | 8:55/mi
23M
3:23:12
Rank: #19074 (+44)
35K → 23M
11:48 | 9:25/mi
24M
3:32:24
Rank: #19042 (+32)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:40:18
Rank: #18953 (+89)
24M → 40K
7:54 | 9:14/mi
25.2M
3:43:44
Rank: #18927 (+26)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:52:30
Rank: #18848 (+79)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:18
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:01:12
Pace9:15 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:4224:518:0024:51
8:00
-
10K
6.21 mi10:59:5151:008:1226:09
8:25
+0:25
15K
9.32 mi11:26:411:17:508:2126:50
8:38
+0:13
20K
12.43 mi11:54:151:45:248:2927:34
8:52
+0:14
Half
13.11 mi12:00:091:51:188:295:54
8:39
-0:13
25K
15.53 mi12:21:542:13:038:3421:45
8:58
+0:19
30K
18.64 mi12:50:442:41:538:4128:50
9:17
+0:19
20M
20.00 mi13:03:432:54:528:4512:59
9:33
+0:16
21M
21.00 mi13:13:353:04:448:489:52
9:52
+0:19
35K
21.75 mi13:20:153:11:248:486:40
8:55
-0:57
23M
23.00 mi13:32:033:23:128:5011:48
9:25
+0:30
24M
24.00 mi13:41:153:32:248:519:12
9:12
-0:13
40K
24.85 mi13:49:093:40:188:527:54
9:14
+0:02
25.2M
25.20 mi13:52:353:43:448:533:26
9:57
+0:43
Finish
26.22 mi14:01:213:52:308:528:46
8:36
-1:21

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

8:00 /mi

Average Pace

8:52 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:30

40% of race

Time at Steady Pace

1:05:11

28% of race

Time at Slower Pace

1:14:49

32% of race

Average Pace: 8:52 /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 mi10:33:4224:518:0024:51
8:00
#16573
10K
6.21 mi10:59:5151:008:1226:09
8:25
#18030
15K
9.32 mi11:26:411:17:508:2126:50
8:38
#18727
20K
12.43 mi11:54:151:45:248:2927:34
8:52
#19155
Half
13.11 mi12:00:091:51:188:295:54
8:39
#19198
25K
15.53 mi12:21:542:13:038:3421:45
8:58
#19292
30K
18.64 mi12:50:442:41:538:4128:50
9:17
#19250
20M
20.00 mi13:03:432:54:528:4512:59
9:33
#19251
21M
21.00 mi13:13:353:04:448:489:52
9:52
#19159
35K
21.75 mi13:20:153:11:248:486:40
8:55
#19118
23M
23.00 mi13:32:033:23:128:5011:48
9:25
#19074
24M
24.00 mi13:41:153:32:248:519:12
9:12
#19042
40K
24.85 mi13:49:093:40:188:527:54
9:14
#18953
25.2M
25.20 mi13:52:353:43:448:533:26
9:57
#18927
Finish
26.22 mi14:01:213:52:308:528:46
8:36
#18848
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16573110281102820119(Top 71%)12565(Top 78%)12565(Top 527%)
10K6.21 mi3.10 mi18030-145711631-60311631-60319295(Top 68%)12190(Top 76%)12190(Top 511%)
15K9.32 mi3.11 mi18727-69711924-29311924-29320119(Top 71%)12565(Top 78%)12565(Top 527%)
20K12.43 mi3.11 mi19155-42812107-18312107-18320332(Top 72%)12603(Top 78%)12603(Top 528%)
Half13.11 mi0.68 mi19198-4312117-1012117-1020024(Top 70%)12465(Top 77%)12465(Top 522%)
25K15.53 mi2.42 mi19292-9412154-3712154-3719765(Top 70%)12308(Top 76%)12308(Top 516%)
30K18.64 mi3.11 mi19250+4212092+6212092+6219019(Top 67%)11838(Top 74%)11838(Top 496%)
20M20.00 mi1.36 mi19251-112071+2112071+2119398(Top 68%)11873(Top 74%)11873(Top 498%)
21M21.00 mi1.00 mi19159+9212016+5512016+5517765(Top 63%)11051(Top 69%)11051(Top 463%)
35K21.75 mi0.75 mi19118+4111983+3311983+3317792(Top 63%)10964(Top 68%)10964(Top 460%)
23M23.00 mi1.25 mi19074+4411932+5111932+5118340(Top 65%)11138(Top 69%)11138(Top 467%)
24M24.00 mi1.00 mi19042+3211897+3511897+3518342(Top 65%)11081(Top 69%)11081(Top 464%)
40K24.85 mi0.85 mi18953+8911828+6911828+6917528(Top 62%)10616(Top 66%)10616(Top 445%)
25.2M25.20 mi0.35 mi18927+2611807+2111807+2116798(Top 59%)10281(Top 64%)10281(Top 431%)
Finish26.22 mi1.02 mi18848+7911751+5611751+5616843(Top 59%)10324(Top 64%)10324(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20119

Males

12565

M45-49

12565

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19295

Males

12190

M45-49

12190

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20119

Males

12565

M45-49

12565

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20332

Males

12603

M45-49

12603

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

20024

Males

12465

M45-49

12465

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19765

Males

12308

M45-49

12308

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19019

Males

11838

M45-49

11838

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19398

Males

11873

M45-49

11873

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17765

Males

11051

M45-49

11051

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17792

Males

10964

M45-49

10964

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18340

Males

11138

M45-49

11138

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18342

Males

11081

M45-49

11081

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17528

Males

10616

M45-49

10616

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16798

Males

10281

M45-49

10281

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16843

Males

10324

M45-49

10324

Passing Analysis

Category:
Athletes Passed
1339
Passed By
3614
Net Change
-2275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16573
5K → 10K311488-1457#16573#18030
10K → 15K42739-697#18030#18727
15K → 20K95523-428#18727#19155
20K → Half2669-43#19155#19198
Half → 25K138232-94#19198#19292
25K → 30K239197+42#19292#19250
30K → 20M104105-1#19250#19251
20M → 21M14250+92#19251#19159
21M → 35K7635+41#19159#19118
35K → 23M10965+44#19118#19074
23M → 24M8149+32#19074#19042
24M → 40K11122+89#19042#18953
40K → 25.2M3812+26#18953#18927
25.2M → Finish10728+79#18927#18848
TOTALS13393614-2275
📊

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