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BOSTON MARATHON 2025

Richard Pfeifer

Bib: 8899•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 1%
Division (M40-44)
#0 / 2247
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:33
Rank: #988
Start → 5K
18:33 | 5:58/mi
10K· 6.21 mi
36:19
Rank: #676 (+312)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
54:31
Rank: #660 (+16)
10K → 15K
18:12 | 5:51/mi
20K· 12.43 mi
1:12:56
Rank: #663 (-3)
15K → 20K
18:25 | 5:56/mi
Half· 13.11 mi
1:16:55
Rank: #656 (+7)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:31:26
Rank: #661 (-5)
Half → 25K
14:31 | 5:59/mi
30K· 18.64 mi
1:51:19
Rank: #767 (-106)
25K → 30K
19:53 | 6:24/mi
20M
2:00:34
Rank: #834 (-67)
30K → 20M
9:15 | 6:48/mi
21M
2:07:43
Rank: #884 (-50)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:12:49
Rank: #947 (-63)
21M → 35K
5:06 | 6:49/mi
23M
2:21:38
Rank: #1033 (-86)
35K → 23M
8:49 | 7:03/mi
24M
2:28:27
Rank: #1106 (-73)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:34:08
Rank: #1120 (-14)
24M → 40K
5:41 | 6:39/mi
25.2M
2:36:36
Rank: #1122 (-2)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:42:55
Rank: #1111 (+11)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:55
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:43:4918:335:5818:33
5:58
-
10K
6.21 mi11:01:3536:195:5117:46
5:43
-0:15
15K
9.32 mi11:19:4754:315:5118:12
5:51
+0:08
20K
12.43 mi11:38:121:12:565:5218:25
5:56
+0:05
Half
13.11 mi11:42:111:16:555:523:59
5:50
-0:06
25K
15.53 mi11:56:421:31:265:5314:31
5:59
+0:09
30K
18.64 mi12:16:351:51:195:5819:53
6:24
+0:25
20M
20.00 mi12:25:502:00:346:029:15
6:48
+0:24
21M
21.00 mi12:32:592:07:436:057:09
7:09
+0:21
35K
21.75 mi12:38:052:12:496:065:06
6:49
-0:20
23M
23.00 mi12:46:542:21:386:098:49
7:03
+0:14
24M
24.00 mi12:53:432:28:276:116:49
6:49
-0:14
40K
24.85 mi12:59:242:34:086:125:41
6:39
-0:10
25.2M
25.20 mi13:01:522:36:366:132:28
7:09
+0:30
Finish
26.22 mi13:08:112:42:556:136:19
6:12
-0:57

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

5:43 /mi

Average Pace

6:13 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:26

56% of race

Time at Steady Pace

31:53

20% of race

Time at Slower Pace

39:36

24% of race

Average Pace: 6:13 /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 mi10:43:4918:335:5818:33
5:58
#988
10K
6.21 mi11:01:3536:195:5117:46
5:43
#676
15K
9.32 mi11:19:4754:315:5118:12
5:51
#660
20K
12.43 mi11:38:121:12:565:5218:25
5:56
#663
Half
13.11 mi11:42:111:16:555:523:59
5:50
#656
25K
15.53 mi11:56:421:31:265:5314:31
5:59
#661
30K
18.64 mi12:16:351:51:195:5819:53
6:24
#767
20M
20.00 mi12:25:502:00:346:029:15
6:48
#834
21M
21.00 mi12:32:592:07:436:057:09
7:09
#884
35K
21.75 mi12:38:052:12:496:065:06
6:49
#947
23M
23.00 mi12:46:542:21:386:098:49
7:03
#1033
24M
24.00 mi12:53:432:28:276:116:49
6:49
#1106
40K
24.85 mi12:59:242:34:086:125:41
6:39
#1120
25.2M
25.20 mi13:01:522:36:366:132:28
7:09
#1122
Finish
26.22 mi13:08:112:42:556:136:19
6:12
#1111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi988929929646(Top 2%)600(Top 4%)600(Top 27%)
10K6.21 mi3.10 mi676+312630+299630+299487(Top 2%)450(Top 3%)450(Top 20%)
15K9.32 mi3.11 mi660+16612+18612+18646(Top 2%)600(Top 4%)600(Top 27%)
20K12.43 mi3.11 mi663-3616-4616-4687(Top 2%)640(Top 4%)640(Top 28%)
Half13.11 mi0.68 mi656+7609+7609+7685(Top 2%)642(Top 4%)642(Top 29%)
25K15.53 mi2.42 mi661-5614-5614-5767(Top 3%)719(Top 4%)719(Top 32%)
30K18.64 mi3.11 mi767-106719-105719-1051544(Top 5%)1462(Top 9%)1462(Top 65%)
20M20.00 mi1.36 mi834-67783-64783-642929(Top 10%)2728(Top 17%)2728(Top 121%)
21M21.00 mi1.00 mi884-50831-48831-482864(Top 10%)2650(Top 16%)2650(Top 118%)
35K21.75 mi0.75 mi947-63891-60891-604151(Top 15%)3704(Top 23%)3704(Top 165%)
23M23.00 mi1.25 mi1033-86972-81972-813970(Top 14%)3540(Top 22%)3540(Top 158%)
24M24.00 mi1.00 mi1106-731041-691041-693563(Top 13%)3182(Top 20%)3182(Top 142%)
40K24.85 mi0.85 mi1120-141055-141055-142127(Top 7%)1953(Top 12%)1953(Top 87%)
25.2M25.20 mi0.35 mi1122-21057-21057-21906(Top 7%)1719(Top 11%)1719(Top 77%)
Finish26.22 mi1.02 mi1111+111047+101047+101499(Top 5%)1393(Top 9%)1393(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

646

Males

600

M40-44

600

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

487

Males

450

M40-44

450

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

646

Males

600

M40-44

600

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

687

Males

640

M40-44

640

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

685

Males

642

M40-44

642

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

767

Males

719

M40-44

719

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1544

Males

1462

M40-44

1462

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2929

Males

2728

M40-44

2728

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2864

Males

2650

M40-44

2650

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4151

Males

3704

M40-44

3704

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3970

Males

3540

M40-44

3540

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3563

Males

3182

M40-44

3182

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2127

Males

1953

M40-44

1953

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1906

Males

1719

M40-44

1719

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1499

Males

1393

M40-44

1393

Passing Analysis

Category:
Athletes Passed
481
Passed By
604
Net Change
-123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#988
5K → 10K3120+312#988#676
10K → 15K3216+16#676#660
15K → 20K2124-3#660#663
20K → Half103+7#663#656
Half → 25K2328-5#656#661
25K → 30K8114-106#661#767
30K → 20M673-67#767#834
20M → 21M757-50#834#884
21M → 35K568-63#884#947
35K → 23M1096-86#947#1033
23M → 24M376-73#1033#1106
24M → 40K1125-14#1106#1120
40K → 25.2M79-2#1120#1122
25.2M → Finish2615+11#1122#1111
TOTALS481604-123
📊

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