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BOSTON MARATHON 2025

Scott Bosworth

Bib: 4748•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Masters (Masters Men)
#0 / 10463
Top 5%
Division (M45-49)
#0 / 2386
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #4110
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
40:33
Rank: #3950 (+160)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:00:44
Rank: #3806 (+144)
10K → 15K
20:11 | 6:30/mi
20K· 12.43 mi
1:20:57
Rank: #3612 (+194)
15K → 20K
20:13 | 6:30/mi
Half· 13.11 mi
1:25:20
Rank: #3582 (+30)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:14
Rank: #3492 (+90)
Half → 25K
15:54 | 6:33/mi
30K· 18.64 mi
2:02:02
Rank: #3305 (+187)
25K → 30K
20:48 | 6:42/mi
20M
2:11:15
Rank: #3221 (+84)
30K → 20M
9:13 | 6:47/mi
21M
2:18:25
Rank: #3176 (+45)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:23:18
Rank: #3132 (+44)
21M → 35K
4:53 | 6:32/mi
23M
2:31:43
Rank: #3016 (+116)
35K → 23M
8:25 | 6:43/mi
24M
2:38:16
Rank: #2958 (+58)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:44:01
Rank: #2906 (+52)
24M → 40K
5:45 | 6:44/mi
25.2M
2:46:29
Rank: #2867 (+39)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:52:55
Rank: #2801 (+66)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:20
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:35
Pace6:41 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3320:196:3220:19
6:32
-
10K
6.21 mi10:44:4740:336:3220:14
6:31
-0:01
15K
9.32 mi11:04:581:00:446:3120:11
6:30
-0:01
20K
12.43 mi11:25:111:20:576:3120:13
6:30
0:00
Half
13.11 mi11:29:341:25:206:314:23
6:25
-0:05
25K
15.53 mi11:45:281:41:146:3115:54
6:33
+0:08
30K
18.64 mi12:06:162:02:026:3320:48
6:42
+0:09
20M
20.00 mi12:15:292:11:156:349:13
6:47
+0:05
21M
21.00 mi12:22:392:18:256:357:10
7:10
+0:23
35K
21.75 mi12:27:322:23:186:354:53
6:32
-0:38
23M
23.00 mi12:35:572:31:436:368:25
6:43
+0:11
24M
24.00 mi12:42:302:38:166:366:33
6:33
-0:10
40K
24.85 mi12:48:152:44:016:365:45
6:44
+0:11
25.2M
25.20 mi12:50:432:46:296:362:28
7:09
+0:25
Finish
26.22 mi12:57:092:52:556:366:26
6:19
-0:50

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

6:19 /mi

Average Pace

6:36 /mi

Slowest Pace

7:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:17

94% of race

Time at Steady Pace

9:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:24:3320:196:3220:19
6:32
#4110
10K
6.21 mi10:44:4740:336:3220:14
6:31
#3950
15K
9.32 mi11:04:581:00:446:3120:11
6:30
#3806
20K
12.43 mi11:25:111:20:576:3120:13
6:30
#3612
Half
13.11 mi11:29:341:25:206:314:23
6:25
#3582
25K
15.53 mi11:45:281:41:146:3115:54
6:33
#3492
30K
18.64 mi12:06:162:02:026:3320:48
6:42
#3305
20M
20.00 mi12:15:292:11:156:349:13
6:47
#3221
21M
21.00 mi12:22:392:18:256:357:10
7:10
#3176
35K
21.75 mi12:27:322:23:186:354:53
6:32
#3132
23M
23.00 mi12:35:572:31:436:368:25
6:43
#3016
24M
24.00 mi12:42:302:38:166:366:33
6:33
#2958
40K
24.85 mi12:48:152:44:016:365:45
6:44
#2906
25.2M
25.20 mi12:50:432:46:296:362:28
7:09
#2867
Finish
26.22 mi12:57:092:52:556:366:26
6:19
#2801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4110387438743534(Top 12%)3341(Top 21%)3341(Top 140%)
10K6.21 mi3.10 mi3950+1603734+1403734+1403800(Top 13%)3581(Top 22%)3581(Top 150%)
15K9.32 mi3.11 mi3806+1443592+1423592+1423534(Top 12%)3341(Top 21%)3341(Top 140%)
20K12.43 mi3.11 mi3612+1943418+1743418+1743155(Top 11%)2995(Top 19%)2995(Top 126%)
Half13.11 mi0.68 mi3582+303392+263392+263163(Top 11%)3004(Top 19%)3004(Top 126%)
25K15.53 mi2.42 mi3492+903308+843308+843185(Top 11%)3016(Top 19%)3016(Top 126%)
30K18.64 mi3.11 mi3305+1873130+1783130+1782859(Top 10%)2700(Top 17%)2700(Top 113%)
20M20.00 mi1.36 mi3221+843051+793051+792816(Top 10%)2632(Top 16%)2632(Top 110%)
21M21.00 mi1.00 mi3176+453007+443007+442963(Top 10%)2737(Top 17%)2737(Top 115%)
35K21.75 mi0.75 mi3132+442965+422965+422574(Top 9%)2393(Top 15%)2393(Top 100%)
23M23.00 mi1.25 mi3016+1162854+1112854+1112332(Top 8%)2170(Top 13%)2170(Top 91%)
24M24.00 mi1.00 mi2958+582797+572797+572241(Top 8%)2073(Top 13%)2073(Top 87%)
40K24.85 mi0.85 mi2906+522748+492748+492465(Top 9%)2247(Top 14%)2247(Top 94%)
25.2M25.20 mi0.35 mi2867+392713+352713+351948(Top 7%)1761(Top 11%)1761(Top 74%)
Finish26.22 mi1.02 mi2801+662650+632650+631942(Top 7%)1786(Top 11%)1786(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3534

Males

3341

M45-49

3341

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3800

Males

3581

M45-49

3581

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3534

Males

3341

M45-49

3341

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3155

Males

2995

M45-49

2995

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3163

Males

3004

M45-49

3004

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3185

Males

3016

M45-49

3016

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2859

Males

2700

M45-49

2700

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2816

Males

2632

M45-49

2632

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2963

Males

2737

M45-49

2737

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2574

Males

2393

M45-49

2393

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2332

Males

2170

M45-49

2170

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2241

Males

2073

M45-49

2073

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2465

Males

2247

M45-49

2247

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1948

Males

1761

M45-49

1761

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1942

Males

1786

M45-49

1786

Passing Analysis

Category:
Athletes Passed
1606
Passed By
297
Net Change
+1309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4110
5K → 10K24484+160#4110#3950
10K → 15K17733+144#3950#3806
15K → 20K20814+194#3806#3612
20K → Half366+30#3612#3582
Half → 25K11727+90#3582#3492
25K → 30K21326+187#3492#3305
30K → 20M9612+84#3305#3221
20M → 21M7833+45#3221#3176
21M → 35K5612+44#3176#3132
35K → 23M12812+116#3132#3016
23M → 24M7012+58#3016#2958
24M → 40K6715+52#2958#2906
40K → 25.2M423+39#2906#2867
25.2M → Finish748+66#2867#2801
TOTALS1606297+1309
📊

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