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BOSTON MARATHON 2025

Daniel Pifer

Bib: 18936•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M55-59)
#0 / 1648
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:41
Rank: #7664
Start → 5K
21:41 | 6:59/mi
10K· 6.21 mi
43:26
Rank: #7775 (-111)
5K → 10K
21:45 | 7:00/mi
15K· 9.32 mi
1:05:44
Rank: #8137 (-362)
10K → 15K
22:18 | 7:11/mi
20K· 12.43 mi
1:28:58
Rank: #8630 (-493)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:34:05
Rank: #8762 (-132)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:52:53
Rank: #9283 (-521)
Half → 25K
18:48 | 7:45/mi
30K· 18.64 mi
2:17:40
Rank: #9575 (-292)
25K → 30K
24:47 | 7:59/mi
20M
2:28:52
Rank: #9736 (-161)
30K → 20M
11:12 | 8:15/mi
21M
2:37:47
Rank: #9916 (-180)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:43:33
Rank: #9921 (-5)
21M → 35K
5:46 | 7:42/mi
23M
2:53:47
Rank: #9979 (-58)
35K → 23M
10:14 | 8:10/mi
24M
3:02:02
Rank: #10098 (-119)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:09:13
Rank: #10181 (-83)
24M → 40K
7:11 | 8:24/mi
25.2M
3:12:22
Rank: #10204 (-23)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:20:39
Rank: #10328 (-124)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1721:416:5921:41
6:59
-
10K
6.21 mi11:34:0243:266:5921:45
7:00
+0:01
15K
9.32 mi11:56:201:05:447:0322:18
7:11
+0:11
20K
12.43 mi12:19:341:28:587:1023:14
7:29
+0:18
Half
13.11 mi12:24:411:34:057:115:07
7:30
+0:01
25K
15.53 mi12:43:291:52:537:1618:48
7:45
+0:15
30K
18.64 mi13:08:162:17:407:2324:47
7:59
+0:14
20M
20.00 mi13:19:282:28:527:2711:12
8:15
+0:16
21M
21.00 mi13:28:232:37:477:318:55
8:55
+0:40
35K
21.75 mi13:34:092:43:337:315:46
7:42
-1:13
23M
23.00 mi13:44:232:53:477:3310:14
8:10
+0:28
24M
24.00 mi13:52:383:02:027:358:15
8:15
+0:05
40K
24.85 mi13:59:493:09:137:377:11
8:24
+0:09
25.2M
25.20 mi14:02:583:12:227:383:09
9:08
+0:44
Finish
26.22 mi14:11:153:20:397:408:17
8:08
-1:00

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

6:59 /mi

Average Pace

7:40 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:05

47% of race

Time at Steady Pace

1:27:19

44% of race

Time at Slower Pace

19:15

10% of race

Average Pace: 7:39 /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 mi11:12:1721:416:5921:41
6:59
#7664
10K
6.21 mi11:34:0243:266:5921:45
7:00
#7775
15K
9.32 mi11:56:201:05:447:0322:18
7:11
#8137
20K
12.43 mi12:19:341:28:587:1023:14
7:29
#8630
Half
13.11 mi12:24:411:34:057:115:07
7:30
#8762
25K
15.53 mi12:43:291:52:537:1618:48
7:45
#9283
30K
18.64 mi13:08:162:17:407:2324:47
7:59
#9575
20M
20.00 mi13:19:282:28:527:2711:12
8:15
#9736
21M
21.00 mi13:28:232:37:477:318:55
8:55
#9916
35K
21.75 mi13:34:092:43:337:315:46
7:42
#9921
23M
23.00 mi13:44:232:53:477:3310:14
8:10
#9979
24M
24.00 mi13:52:383:02:027:358:15
8:15
#10098
40K
24.85 mi13:59:493:09:137:377:11
8:24
#10181
25.2M
25.20 mi14:02:583:12:227:383:09
9:08
#10204
Finish
26.22 mi14:11:153:20:397:408:17
8:08
#10328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7664677467748935(Top 31%)7512(Top 47%)7512(Top 456%)
10K6.21 mi3.10 mi7775-1116837-636837-637923(Top 28%)6930(Top 43%)6930(Top 421%)
15K9.32 mi3.11 mi8137-3627057-2207057-2208935(Top 31%)7512(Top 47%)7512(Top 456%)
20K12.43 mi3.11 mi8630-4937345-2887345-28810559(Top 37%)8290(Top 51%)8290(Top 503%)
Half13.11 mi0.68 mi8762-1327413-687413-6811618(Top 41%)8828(Top 55%)8828(Top 536%)
25K15.53 mi2.42 mi9283-5217682-2697682-26911950(Top 42%)8822(Top 55%)8822(Top 535%)
30K18.64 mi3.11 mi9575-2927785-1037785-10311201(Top 39%)8284(Top 51%)8284(Top 503%)
20M20.00 mi1.36 mi9736-1617840-557840-5512056(Top 42%)8546(Top 53%)8546(Top 519%)
21M21.00 mi1.00 mi9916-1807903-637903-6312996(Top 46%)8834(Top 55%)8834(Top 536%)
35K21.75 mi0.75 mi9921-57876+277876+2710108(Top 36%)7418(Top 46%)7418(Top 450%)
23M23.00 mi1.25 mi9979-587852+247852+2411184(Top 39%)7836(Top 49%)7836(Top 475%)
24M24.00 mi1.00 mi10098-1197882-307882-3012881(Top 45%)8585(Top 53%)8585(Top 521%)
40K24.85 mi0.85 mi10181-837886-47886-412765(Top 45%)8406(Top 52%)8406(Top 510%)
25.2M25.20 mi0.35 mi10204-237886788612482(Top 44%)8211(Top 51%)8211(Top 498%)
Finish26.22 mi1.02 mi10328-1247913-277913-2713760(Top 48%)8884(Top 55%)8884(Top 539%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8935

Males

7512

M55-59

7512

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7923

Males

6930

M55-59

6930

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8935

Males

7512

M55-59

7512

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10559

Males

8290

M55-59

8290

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11618

Males

8828

M55-59

8828

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11950

Males

8822

M55-59

8822

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11201

Males

8284

M55-59

8284

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

12056

Males

8546

M55-59

8546

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12996

Males

8834

M55-59

8834

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10108

Males

7418

M55-59

7418

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11184

Males

7836

M55-59

7836

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12881

Males

8585

M55-59

8585

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12765

Males

8406

M55-59

8406

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12482

Males

8211

M55-59

8211

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13760

Males

8884

M55-59

8884

Passing Analysis

Category:
Athletes Passed
917
Passed By
3576
Net Change
-2664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7664
5K → 10K153264-111#7664#7775
10K → 15K51413-362#7775#8137
15K → 20K63556-493#8137#8630
20K → Half9141-132#8630#8762
Half → 25K55576-521#8762#9283
25K → 30K144436-292#9283#9575
30K → 20M70230-161#9575#9736
20M → 21M46226-180#9736#9916
21M → 35K6670-5#9916#9921
35K → 23M85142-58#9921#9979
23M → 24M48165-119#9979#10098
24M → 40K54137-83#10098#10181
40K → 25.2M3053-23#10181#10204
25.2M → Finish43167-124#10204#10328
TOTALS9173576-2664
📊

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