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BOSTON MARATHON 2025

Daniel Alperin

Bib: P136•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:55/mi
30:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:03/mi
1:02:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:44/mi
1:32:15
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
2:02:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:21/mi
2:08:42
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:33:48
↑ 66↓ 880.2%
30K· 18.64 mi
10:49/mi
3:07:25
↑ 181↓ 1480.2%
20M
10:25/mi
3:21:34
↑ 64↓ 500.2%
21M
12:22/mi
3:33:56
↑ 106↓ 241.6%
35K· 21.75 mi
10:51/mi
3:42:03
↑ 17↓ 861.7%
23M
11:34/mi
3:56:32
↑ 23↓ 630.6%
24M
10:34/mi
4:07:06
↓ 821.3%
40K· 24.85 mi
11:51/mi
4:17:14
↓ 200.3%
25.2M
12:14/mi
4:21:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:52/mi
4:30:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:42
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:21:47
Pace10:49 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5230:499:5530:49
9:55
-
10K
6.21 mi10:52:041:02:019:5931:12
10:03
+0:08
15K
9.32 mi11:22:181:32:159:5430:14
9:44
-0:19
20K
12.43 mi11:52:222:02:199:5130:04
9:41
-0:03
Half
13.11 mi11:58:452:08:429:496:23
9:21
-0:20
25K
15.53 mi12:23:512:33:489:5425:06
10:21
+1:00
30K
18.64 mi12:57:283:07:2510:0333:37
10:49
+0:28
20M
20.00 mi13:11:373:21:3410:0514:09
10:25
-0:24
21M
21.00 mi13:23:593:33:5610:1112:22
12:22
+1:57
35K
21.75 mi13:32:063:42:0310:138:07
10:51
-1:31
23M
23.00 mi13:46:353:56:3210:1714:29
11:34
+0:43
24M
24.00 mi13:57:094:07:0610:1810:34
10:34
-1:00
40K
24.85 mi14:07:174:17:1410:2110:08
11:51
+1:17
25.2M
25.20 mi14:11:304:21:2710:234:13
12:14
+0:23
Finish
26.22 mi14:20:324:30:2910:199:02
8:52
-3:22

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

8:52 /mi

Average Pace

10:19 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:43

28% of race

Time at Steady Pace

2:33:34

57% of race

Time at Slower Pace

41:12

15% of race

Average Pace: 10:19 /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 mi10:20:5230:499:5530:49
9:55
#25393
10K
6.21 mi10:52:041:02:019:5931:12
10:03
#25398
15K
9.32 mi11:22:181:32:159:5430:14
9:44
#25047
20K
12.43 mi11:52:222:02:199:5130:04
9:41
#24634
Half
13.11 mi11:58:452:08:429:496:23
9:21
#24570
25K
15.53 mi12:23:512:33:489:5425:06
10:21
#24495
30K
18.64 mi12:57:283:07:2510:0333:37
10:49
#24352
20M
20.00 mi13:11:373:21:3410:0514:09
10:25
#24192
21M
21.00 mi13:23:593:33:5610:1112:22
12:22
#24198
35K
21.75 mi13:32:063:42:0310:138:07
10:51
#24194
23M
23.00 mi13:46:353:56:3210:1714:29
11:34
#24210
24M
24.00 mi13:57:094:07:0610:1810:34
10:34
#24168
40K
24.85 mi14:07:174:17:1410:2110:08
11:51
#24207
25.2M
25.20 mi14:11:304:21:2710:234:13
12:14
#24198
Finish
26.22 mi14:20:324:30:2910:199:02
8:52
#24068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi25393149041490424361(Top 86%)14421(Top 90%)14421(Top 1145%)
10K6.21 mi3.10 mi25398-514884+2014884+2025404(Top 89%)14880(Top 92%)14880(Top 1182%)
15K9.32 mi3.11 mi25047+35114733+15114733+15124361(Top 86%)14421(Top 90%)14421(Top 1145%)
20K12.43 mi3.11 mi24634+41314536+19714536+19723421(Top 82%)13982(Top 87%)13982(Top 1111%)
Half13.11 mi0.68 mi24570+6414495+4114495+4123134(Top 81%)13853(Top 86%)13853(Top 1100%)
25K15.53 mi2.42 mi24495+7514453+4214453+4224072(Top 85%)14227(Top 88%)14227(Top 1130%)
30K18.64 mi3.11 mi24352+14314367+8614367+8623652(Top 83%)13912(Top 86%)13912(Top 1105%)
20M20.00 mi1.36 mi24192+16014272+9514272+9522185(Top 78%)13128(Top 82%)13128(Top 1043%)
21M21.00 mi1.00 mi24198-614264+814264+824200(Top 85%)14007(Top 87%)14007(Top 1113%)
35K21.75 mi0.75 mi24194+414254+1014254+1023909(Top 84%)13845(Top 86%)13845(Top 1100%)
23M23.00 mi1.25 mi24210-1614236+1814236+1824369(Top 86%)14029(Top 87%)14029(Top 1114%)
24M24.00 mi1.00 mi24168+4214200+3614200+3622994(Top 81%)13305(Top 83%)13305(Top 1057%)
40K24.85 mi0.85 mi24207-3914216-1614216-1624689(Top 87%)14105(Top 88%)14105(Top 1120%)
25.2M25.20 mi0.35 mi24198+914202+1414202+1423653(Top 83%)13593(Top 84%)13593(Top 1080%)
Finish26.22 mi1.02 mi24068+13014133+6914133+6918366(Top 65%)11056(Top 69%)11056(Top 878%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24361

Males

14421

M60-64

14421

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25404

Males

14880

M60-64

14880

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24361

Males

14421

M60-64

14421

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23421

Males

13982

M60-64

13982

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23134

Males

13853

M60-64

13853

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24072

Males

14227

M60-64

14227

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23652

Males

13912

M60-64

13912

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22185

Males

13128

M60-64

13128

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24200

Males

14007

M60-64

14007

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23909

Males

13845

M60-64

13845

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24369

Males

14029

M60-64

14029

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22994

Males

13305

M60-64

13305

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24689

Males

14105

M60-64

14105

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23653

Males

13593

M60-64

13593

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18366

Males

11056

M60-64

11056

Passing Analysis

Category:
Athletes Passed
1961
Passed By
636
Net Change
+1325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25393
5K → 10K190195-5#25393#25398
10K → 15K36918+351#25398#25047
15K → 20K4218+413#25047#24634
20K → Half673+64#24634#24570
Half → 25K13863+75#24570#24495
25K → 30K20966+143#24495#24352
30K → 20M1677+160#24352#24192
20M → 21M5157-6#24192#24198
21M → 35K3531+4#24198#24194
35K → 23M6884-16#24194#24210
23M → 24M6018+42#24210#24168
24M → 40K2766-39#24168#24207
40K → 25.2M2718+9#24207#24198
25.2M → Finish1322+130#24198#24068
TOTALS1961636+1325
📊

Passing Visuals

Category:
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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