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BOSTON MARATHON 2025

James Musselwhite

Bib: 12904•M

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
26:04
Rank: #19239
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
52:30
Rank: #19531 (-292)
5K → 10K
26:26 | 8:30/mi
15K· 9.32 mi
1:19:06
Rank: #19571 (-40)
10K → 15K
26:36 | 8:34/mi
20K· 12.43 mi
1:45:48
Rank: #19343 (+228)
15K → 20K
26:42 | 8:36/mi
Half· 13.11 mi
1:51:27
Rank: #19261 (+82)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:12:14
Rank: #18973 (+288)
Half → 25K
20:47 | 8:34/mi
30K· 18.64 mi
2:41:13
Rank: #19029 (-56)
25K → 30K
28:59 | 9:20/mi
20M
2:53:24
Rank: #18843 (+186)
30K → 20M
12:11 | 8:58/mi
21M
3:02:58
Rank: #18685 (+158)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:09:24
Rank: #18601 (+84)
21M → 35K
6:26 | 8:36/mi
23M
3:20:34
Rank: #18397 (+204)
35K → 23M
11:10 | 8:55/mi
24M
3:29:37
Rank: #18351 (+46)
23M → 24M
9:03 | 9:03/mi
40K· 24.85 mi
3:37:44
Rank: #18376 (-25)
24M → 40K
8:07 | 9:30/mi
25.2M
3:41:10
Rank: #18350 (+26)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:50:00
Rank: #18321 (+29)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:27
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:58:33
Pace9:03 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:0226:048:2326:04
8:23
-
10K
6.21 mi11:27:2852:308:2726:26
8:30
+0:07
15K
9.32 mi11:54:041:19:068:2926:36
8:34
+0:04
20K
12.43 mi12:20:461:45:488:3126:42
8:36
+0:02
Half
13.11 mi12:26:251:51:278:305:39
8:17
-0:19
25K
15.53 mi12:47:122:12:148:3120:47
8:34
+0:17
30K
18.64 mi13:16:112:41:138:3928:59
9:20
+0:46
20M
20.00 mi13:28:222:53:248:4012:11
8:58
-0:22
21M
21.00 mi13:37:563:02:588:439:34
9:34
+0:36
35K
21.75 mi13:44:223:09:248:436:26
8:36
-0:58
23M
23.00 mi13:55:323:20:348:4311:10
8:55
+0:19
24M
24.00 mi14:04:353:29:378:449:03
9:03
+0:08
40K
24.85 mi14:12:423:37:448:468:07
9:30
+0:27
25.2M
25.20 mi14:16:083:41:108:473:26
9:57
+0:27
Finish
26.22 mi14:24:583:50:008:478:50
8:40
-1:17

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

8:17 /mi

Average Pace

8:47 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:43

14% of race

Time at Steady Pace

1:55:47

50% of race

Time at Slower Pace

1:22:30

36% of race

Average Pace: 8:46 /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 mi11:01:0226:048:2326:04
8:23
#19239
10K
6.21 mi11:27:2852:308:2726:26
8:30
#19531
15K
9.32 mi11:54:041:19:068:2926:36
8:34
#19571
20K
12.43 mi12:20:461:45:488:3126:42
8:36
#19343
Half
13.11 mi12:26:251:51:278:305:39
8:17
#19261
25K
15.53 mi12:47:122:12:148:3120:47
8:34
#18973
30K
18.64 mi13:16:112:41:138:3928:59
9:20
#19029
20M
20.00 mi13:28:222:53:248:4012:11
8:58
#18843
21M
21.00 mi13:37:563:02:588:439:34
9:34
#18685
35K
21.75 mi13:44:223:09:248:436:26
8:36
#18601
23M
23.00 mi13:55:323:20:348:4311:10
8:55
#18397
24M
24.00 mi14:04:353:29:378:449:03
9:03
#18351
40K
24.85 mi14:12:423:37:448:468:07
9:30
#18376
25.2M
25.20 mi14:16:083:41:108:473:26
9:57
#18350
Finish
26.22 mi14:24:583:50:008:478:50
8:40
#18321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19239121351213519693(Top 69%)12366(Top 77%)12366(Top 518%)
10K6.21 mi3.10 mi19531-29212275-14012275-14019836(Top 70%)12399(Top 77%)12399(Top 520%)
15K9.32 mi3.11 mi19571-4012300-2512300-2519693(Top 69%)12366(Top 77%)12366(Top 518%)
20K12.43 mi3.11 mi19343+22812181+11912181+11918799(Top 66%)11947(Top 74%)11947(Top 501%)
Half13.11 mi0.68 mi19261+8212144+3712144+3717798(Top 63%)11543(Top 72%)11543(Top 484%)
25K15.53 mi2.42 mi18973+28812016+12812016+12817618(Top 62%)11370(Top 71%)11370(Top 477%)
30K18.64 mi3.11 mi19029-5612001+1512001+1519232(Top 68%)11937(Top 74%)11937(Top 500%)
20M20.00 mi1.36 mi18843+18611909+9211909+9216603(Top 58%)10645(Top 66%)10645(Top 446%)
21M21.00 mi1.00 mi18685+15811806+10311806+10316370(Top 58%)10420(Top 65%)10420(Top 437%)
35K21.75 mi0.75 mi18601+8411756+5011756+5016052(Top 57%)10204(Top 63%)10204(Top 428%)
23M23.00 mi1.25 mi18397+20411643+11311643+11315780(Top 56%)9979(Top 62%)9979(Top 418%)
24M24.00 mi1.00 mi18351+4611589+5411589+5417605(Top 62%)10745(Top 67%)10745(Top 450%)
40K24.85 mi0.85 mi18376-2511571+1811571+1818672(Top 66%)11157(Top 69%)11157(Top 468%)
25.2M25.20 mi0.35 mi18350+2611544+2711544+2716793(Top 59%)10276(Top 64%)10276(Top 431%)
Finish26.22 mi1.02 mi18321+2911513+3111513+3117261(Top 61%)10529(Top 65%)10529(Top 441%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19693

Males

12366

M45-49

12366

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19836

Males

12399

M45-49

12399

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19693

Males

12366

M45-49

12366

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18799

Males

11947

M45-49

11947

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17798

Males

11543

M45-49

11543

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17618

Males

11370

M45-49

11370

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19232

Males

11937

M45-49

11937

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16603

Males

10645

M45-49

10645

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16370

Males

10420

M45-49

10420

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16052

Males

10204

M45-49

10204

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15780

Males

9979

M45-49

9979

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17605

Males

10745

M45-49

10745

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18672

Males

11157

M45-49

11157

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16793

Males

10276

M45-49

10276

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17261

Males

10529

M45-49

10529

Passing Analysis

Category:
Athletes Passed
2244
Passed By
1326
Net Change
+918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19239
5K → 10K136428-292#19239#19531
10K → 15K181221-40#19531#19571
15K → 20K31789+228#19571#19343
20K → Half886+82#19343#19261
Half → 25K32436+288#19261#18973
25K → 30K216272-56#18973#19029
30K → 20M20721+186#19029#18843
20M → 21M18527+158#18843#18685
21M → 35K10016+84#18685#18601
35K → 23M22016+204#18601#18397
23M → 24M9852+46#18397#18351
24M → 40K5984-25#18351#18376
40K → 25.2M4014+26#18376#18350
25.2M → Finish7344+29#18350#18321
TOTALS22441326+918
📊

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