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BOSTON MARATHON 2025

Aaron Kauffman

Bib: 7875•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M45-49)
#0 / 2386
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #5172
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:20
Rank: #4945 (+227)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:01:56
Rank: #4757 (+188)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:34
Rank: #4504 (+253)
15K → 20K
20:38 | 6:38/mi
Half· 13.11 mi
1:27:04
Rank: #4490 (+14)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:13
Rank: #4322 (+168)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:04:14
Rank: #4036 (+286)
25K → 30K
21:01 | 6:46/mi
20M
2:13:31
Rank: #3950 (+86)
30K → 20M
9:17 | 6:50/mi
21M
2:20:45
Rank: #3865 (+85)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:25:37
Rank: #3800 (+65)
21M → 35K
4:52 | 6:30/mi
23M
2:34:13
Rank: #3714 (+86)
35K → 23M
8:36 | 6:52/mi
24M
2:41:00
Rank: #3676 (+38)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:46:58
Rank: #3644 (+32)
24M → 40K
5:58 | 6:59/mi
25.2M
2:49:39
Rank: #3645 (-1)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:56:32
Rank: #3621 (+24)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:04
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2020:436:4020:43
6:40
-
10K
6.21 mi10:48:5741:206:3920:37
6:38
-0:02
15K
9.32 mi11:09:331:01:566:3920:36
6:38
0:00
20K
12.43 mi11:30:111:22:346:3920:38
6:38
0:00
Half
13.11 mi11:34:411:27:046:384:30
6:36
-0:02
25K
15.53 mi11:50:501:43:136:3916:09
6:40
+0:04
30K
18.64 mi12:11:512:04:146:4021:01
6:46
+0:06
20M
20.00 mi12:21:082:13:316:419:17
6:50
+0:04
21M
21.00 mi12:28:222:20:456:427:14
7:14
+0:24
35K
21.75 mi12:33:142:25:376:424:52
6:30
-0:44
23M
23.00 mi12:41:502:34:136:428:36
6:52
+0:22
24M
24.00 mi12:48:372:41:006:436:47
6:47
-0:05
40K
24.85 mi12:54:352:46:586:435:58
6:59
+0:12
25.2M
25.20 mi12:57:162:49:396:442:41
7:47
+0:48
Finish
26.22 mi13:04:092:56:326:446:53
6:45
-1:02

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

6:30 /mi

Average Pace

6:44 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:37

94% of race

Time at Steady Pace

7:14

4% of race

Time at Slower Pace

2:41

2% of race

Average Pace: 6:44 /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 mi10:28:2020:436:4020:43
6:40
#5172
10K
6.21 mi10:48:5741:206:3920:37
6:38
#4945
15K
9.32 mi11:09:331:01:566:3920:36
6:38
#4757
20K
12.43 mi11:30:111:22:346:3920:38
6:38
#4504
Half
13.11 mi11:34:411:27:046:384:30
6:36
#4490
25K
15.53 mi11:50:501:43:136:3916:09
6:40
#4322
30K
18.64 mi12:11:512:04:146:4021:01
6:46
#4036
20M
20.00 mi12:21:082:13:316:419:17
6:50
#3950
21M
21.00 mi12:28:222:20:456:427:14
7:14
#3865
35K
21.75 mi12:33:142:25:376:424:52
6:30
#3800
23M
23.00 mi12:41:502:34:136:428:36
6:52
#3714
24M
24.00 mi12:48:372:41:006:436:47
6:47
#3676
40K
24.85 mi12:54:352:46:586:435:58
6:59
#3644
25.2M
25.20 mi12:57:162:49:396:442:41
7:47
#3645
Finish
26.22 mi13:04:092:56:326:446:53
6:45
#3621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5172482048204510(Top 16%)4227(Top 26%)4227(Top 177%)
10K6.21 mi3.10 mi4945+2274613+2074613+2074755(Top 17%)4452(Top 28%)4452(Top 187%)
15K9.32 mi3.11 mi4757+1884448+1654448+1654510(Top 16%)4227(Top 26%)4227(Top 177%)
20K12.43 mi3.11 mi4504+2534220+2284220+2283964(Top 14%)3731(Top 23%)3731(Top 156%)
Half13.11 mi0.68 mi4490+144208+124208+124397(Top 15%)4119(Top 26%)4119(Top 173%)
25K15.53 mi2.42 mi4322+1684052+1564052+1563874(Top 14%)3629(Top 23%)3629(Top 152%)
30K18.64 mi3.11 mi4036+2863787+2653787+2653230(Top 11%)3024(Top 19%)3024(Top 127%)
20M20.00 mi1.36 mi3950+863709+783709+783140(Top 11%)2916(Top 18%)2916(Top 122%)
21M21.00 mi1.00 mi3865+853627+823627+823301(Top 12%)3039(Top 19%)3039(Top 127%)
35K21.75 mi0.75 mi3800+653570+573570+572524(Top 9%)2357(Top 15%)2357(Top 99%)
23M23.00 mi1.25 mi3714+863485+853485+853075(Top 11%)2814(Top 17%)2814(Top 118%)
24M24.00 mi1.00 mi3676+383437+483437+483420(Top 12%)3075(Top 19%)3075(Top 129%)
40K24.85 mi0.85 mi3644+323403+343403+343777(Top 13%)3322(Top 21%)3322(Top 139%)
25.2M25.20 mi0.35 mi3645-13400+33400+34772(Top 17%)3970(Top 25%)3970(Top 166%)
Finish26.22 mi1.02 mi3621+243373+273373+274233(Top 15%)3610(Top 22%)3610(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4510

Males

4227

M45-49

4227

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4755

Males

4452

M45-49

4452

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4510

Males

4227

M45-49

4227

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3964

Males

3731

M45-49

3731

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4397

Males

4119

M45-49

4119

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3874

Males

3629

M45-49

3629

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3230

Males

3024

M45-49

3024

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3140

Males

2916

M45-49

2916

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3301

Males

3039

M45-49

3039

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2524

Males

2357

M45-49

2357

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3075

Males

2814

M45-49

2814

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3420

Males

3075

M45-49

3075

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3777

Males

3322

M45-49

3322

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4772

Males

3970

M45-49

3970

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4233

Males

3610

M45-49

3610

Passing Analysis

Category:
Athletes Passed
1922
Passed By
371
Net Change
+1551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5172
5K → 10K31285+227#5172#4945
10K → 15K22032+188#4945#4757
15K → 20K27017+253#4757#4504
20K → Half2713+14#4504#4490
Half → 25K18820+168#4490#4322
25K → 30K31024+286#4322#4036
30K → 20M10014+86#4036#3950
20M → 21M10419+85#3950#3865
21M → 35K694+65#3865#3800
35K → 23M10317+86#3800#3714
23M → 24M6931+38#3714#3676
24M → 40K6331+32#3676#3644
40K → 25.2M2425-1#3644#3645
25.2M → Finish6339+24#3645#3621
TOTALS1922371+1551
📊

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