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BOSTON MARATHON 2025

Merrick Musolf

Bib: 8414•M

CA

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
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:25
Rank: #12569
Start → 5K
23:25 | 7:32/mi
10K· 6.21 mi
47:23
Rank: #13262 (-693)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:11:31
Rank: #13510 (-248)
10K → 15K
24:08 | 7:46/mi
20K· 12.43 mi
1:36:17
Rank: #13780 (-270)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:41:38
Rank: #13816 (-36)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:01:30
Rank: #14060 (-244)
Half → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:28:42
Rank: #14503 (-443)
25K → 30K
27:12 | 8:45/mi
20M
2:41:41
Rank: #15016 (-513)
30K → 20M
12:59 | 9:33/mi
21M
2:51:44
Rank: #15231 (-215)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
2:58:16
Rank: #15276 (-45)
21M → 35K
6:32 | 8:44/mi
23M
3:09:18
Rank: #15255 (+21)
35K → 23M
11:02 | 8:49/mi
24M
3:17:51
Rank: #15213 (+42)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:25:12
Rank: #15148 (+65)
24M → 40K
7:21 | 8:36/mi
25.2M
3:28:31
Rank: #15127 (+21)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:37:10
Rank: #15180 (-53)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:55:32
Pace8:49 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:1923:257:3223:25
7:32
-
10K
6.21 mi10:56:1747:237:3823:58
7:43
+0:11
15K
9.32 mi11:20:251:11:317:4024:08
7:46
+0:03
20K
12.43 mi11:45:111:36:177:4524:46
7:58
+0:12
Half
13.11 mi11:50:321:41:387:455:21
7:50
-0:08
25K
15.53 mi12:10:242:01:307:4919:52
8:12
+0:22
30K
18.64 mi12:37:362:28:427:5927:12
8:45
+0:33
20M
20.00 mi12:50:352:41:418:0512:59
9:33
+0:48
21M
21.00 mi13:00:382:51:448:1110:03
10:03
+0:30
35K
21.75 mi13:07:102:58:168:126:32
8:44
-1:19
23M
23.00 mi13:18:123:09:188:1411:02
8:49
+0:05
24M
24.00 mi13:26:453:17:518:158:33
8:33
-0:16
40K
24.85 mi13:34:063:25:128:157:21
8:36
+0:03
25.2M
25.20 mi13:37:253:28:318:163:19
9:37
+1:01
Finish
26.22 mi13:46:043:37:108:178:39
8:29
-1:08

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

7:32 /mi

Average Pace

8:17 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:38

47% of race

Time at Steady Pace

1:29:11

41% of race

Time at Slower Pace

26:21

12% of race

Average Pace: 8:17 /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 mi10:32:1923:257:3223:25
7:32
#12569
10K
6.21 mi10:56:1747:237:3823:58
7:43
#13262
15K
9.32 mi11:20:251:11:317:4024:08
7:46
#13510
20K
12.43 mi11:45:111:36:177:4524:46
7:58
#13780
Half
13.11 mi11:50:321:41:387:455:21
7:50
#13816
25K
15.53 mi12:10:242:01:307:4919:52
8:12
#14060
30K
18.64 mi12:37:362:28:427:5927:12
8:45
#14503
20M
20.00 mi12:50:352:41:418:0512:59
9:33
#15016
21M
21.00 mi13:00:382:51:448:1110:03
10:03
#15231
35K
21.75 mi13:07:102:58:168:126:32
8:44
#15276
23M
23.00 mi13:18:123:09:188:1411:02
8:49
#15255
24M
24.00 mi13:26:453:17:518:158:33
8:33
#15213
40K
24.85 mi13:34:063:25:128:157:21
8:36
#15148
25.2M
25.20 mi13:37:253:28:318:163:19
9:37
#15127
Finish
26.22 mi13:46:043:37:108:178:39
8:29
#15180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi125699438943814084(Top 50%)9978(Top 62%)9978(Top 793%)
10K6.21 mi3.10 mi13262-6939724-2869724-28614016(Top 49%)10009(Top 62%)10009(Top 795%)
15K9.32 mi3.11 mi13510-2489778-549778-5414084(Top 50%)9978(Top 62%)9978(Top 793%)
20K12.43 mi3.11 mi13780-2709855-779855-7714705(Top 52%)10180(Top 63%)10180(Top 809%)
Half13.11 mi0.68 mi13816-369859-49859-414569(Top 51%)10150(Top 63%)10150(Top 806%)
25K15.53 mi2.42 mi14060-2449938-799938-7915264(Top 54%)10342(Top 64%)10342(Top 821%)
30K18.64 mi3.11 mi14503-44310071-13310071-13316315(Top 57%)10628(Top 66%)10628(Top 844%)
20M20.00 mi1.36 mi15016-51310260-18910260-18919391(Top 68%)11866(Top 74%)11866(Top 942%)
21M21.00 mi1.00 mi15231-21510329-6910329-6918472(Top 65%)11376(Top 71%)11376(Top 904%)
35K21.75 mi0.75 mi15276-4510339-1010339-1016850(Top 59%)10546(Top 65%)10546(Top 838%)
23M23.00 mi1.25 mi15255+2110285+5410285+5415170(Top 53%)9705(Top 60%)9705(Top 771%)
24M24.00 mi1.00 mi15213+4210240+4510240+4514800(Top 52%)9493(Top 59%)9493(Top 754%)
40K24.85 mi0.85 mi15148+6510177+6310177+6314015(Top 49%)9007(Top 56%)9007(Top 715%)
25.2M25.20 mi0.35 mi15127+2110158+1910158+1915133(Top 53%)9472(Top 59%)9472(Top 752%)
Finish26.22 mi1.02 mi15180-5310161-310161-316121(Top 57%)9987(Top 62%)9987(Top 793%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14084

Males

9978

M60-64

9978

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

14016

Males

10009

M60-64

10009

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14084

Males

9978

M60-64

9978

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14705

Males

10180

M60-64

10180

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14569

Males

10150

M60-64

10150

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15264

Males

10342

M60-64

10342

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16315

Males

10628

M60-64

10628

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19391

Males

11866

M60-64

11866

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18472

Males

11376

M60-64

11376

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16850

Males

10546

M60-64

10546

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15170

Males

9705

M60-64

9705

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14800

Males

9493

M60-64

9493

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

14015

Males

9007

M60-64

9007

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15133

Males

9472

M60-64

9472

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16121

Males

9987

M60-64

9987

Passing Analysis

Category:
Athletes Passed
1170
Passed By
3781
Net Change
-2611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12569
5K → 10K81774-693#12569#13262
10K → 15K138386-248#13262#13510
15K → 20K124394-270#13510#13780
20K → Half2157-36#13780#13816
Half → 25K116360-244#13816#14060
25K → 30K132575-443#14060#14503
30K → 20M37550-513#14503#15016
20M → 21M64279-215#15016#15231
21M → 35K56101-45#15231#15276
35K → 23M11493+21#15276#15255
23M → 24M9250+42#15255#15213
24M → 40K10035+65#15213#15148
40K → 25.2M4221+21#15148#15127
25.2M → Finish53106-53#15127#15180
TOTALS11703781-2611
📊

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