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BOSTON MARATHON 2026

Daniel Alperin

Bib: P141•M

MA

Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #23198
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
56:35
Rank: #23198
5K → 10K
28:13 | 9:05/mi
15K· 9.32 mi
1:24:42
Rank: #23077 (+121)
10K → 15K
28:07 | 9:03/mi
20K· 12.43 mi
1:54:10
Rank: #23302 (-225)
15K → 20K
29:28 | 9:30/mi
HALF· 13.11 mi
1:59:58
Rank: #23176 (+126)
20K → HALF
5:48 | 8:31/mi
25K· 15.53 mi
2:25:06
Rank: #23590 (-414)
HALF → 25K
25:08 | 10:22/mi
30K· 18.64 mi
2:58:11
Rank: #23794 (-204)
25K → 30K
33:05 | 10:39/mi
20M
3:12:22
Rank: #23759 (+35)
30K → 20M
14:11 | 10:27/mi
21M
3:25:46
Rank: #24060 (-301)
20M → 21M
13:24 | 13:24/mi
35K· 21.75 mi
3:33:31
Rank: #24050 (+10)
21M → 35K
7:45 | 10:22/mi
23M
3:47:03
Rank: #24027 (+23)
35K → 23M
13:32 | 10:49/mi
24M
3:57:13
Rank: #24003 (+24)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
4:06:27
Rank: #23994 (+9)
24M → 40K
9:14 | 10:48/mi
25.2M
4:10:22
Rank: #23985 (+9)
40K → 25.2M
3:55 | 11:22/mi
FINISH· 26.22 mi
4:19:52
Rank: #23900 (+85)
25.2M → FINISH
9:30 | 9:20/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:58
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:19:54
Pace10:41 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2428:229:0828:22
9:08
-
10K
6.21 mi10:46:3756:359:0728:13
9:05
-0:03
15K
9.32 mi11:14:441:24:429:0628:07
9:03
-0:02
20K
12.43 mi11:44:121:54:109:1229:28
9:30
+0:27
HALF
13.11 mi11:50:001:59:589:105:48
8:31
-0:59
25K
15.53 mi12:15:082:25:069:2125:08
10:22
+1:51
30K
18.64 mi12:48:132:58:119:3433:05
10:39
+0:17
20M
20.00 mi13:02:243:12:229:3814:11
10:27
-0:12
21M
21.00 mi13:15:483:25:469:4813:24
13:24
+2:57
35K
21.75 mi13:23:333:33:319:507:45
10:22
-3:02
23M
23.00 mi13:37:053:47:039:5313:32
10:49
+0:27
24M
24.00 mi13:47:153:57:139:5410:10
10:10
-0:39
40K
24.85 mi13:56:294:06:279:559:14
10:48
+0:38
25.2M
25.20 mi14:00:244:10:229:573:55
11:22
+0:34
FINISH
26.22 mi14:09:544:19:529:569:30
9:20
-2:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:31 /mi

Average Pace

9:55 /mi

Slowest Pace

13:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:09:28

50% of race

Time at Steady Pace

1:53:05

44% of race

Time at Slower Pace

17:19

7% of race

Average Pace: 9:55 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:2428:229:0828:22
9:08
#23198
10K
6.21 mi10:46:3756:359:0728:13
9:05
#23198
15K
9.32 mi11:14:441:24:429:0628:07
9:03
#23077
20K
12.43 mi11:44:121:54:109:1229:28
9:30
#23302
HALF
13.11 mi11:50:001:59:589:105:48
8:31
#23176
25K
15.53 mi12:15:082:25:069:2125:08
10:22
#23590
30K
18.64 mi12:48:132:58:119:3433:05
10:39
#23794
20M
20.00 mi13:02:243:12:229:3814:11
10:27
#23759
21M
21.00 mi13:15:483:25:469:4813:24
13:24
#24060
35K
21.75 mi13:23:333:33:319:507:45
10:22
#24050
23M
23.00 mi13:37:053:47:039:5313:32
10:49
#24027
24M
24.00 mi13:47:153:57:139:5410:10
10:10
#24003
40K
24.85 mi13:56:294:06:279:559:14
10:48
#23994
25.2M
25.20 mi14:00:244:10:229:573:55
11:22
#23985
FINISH
26.22 mi14:09:544:19:529:569:30
9:20
#23900
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23198138341383422923(Top 79%)13730(Top 84%)13730(Top 907%)
10K6.21 mi3.10 mi2319813842-813842-823164(Top 80%)13829(Top 85%)13829(Top 913%)
15K9.32 mi3.11 mi23077+12113800+4213800+4222923(Top 79%)13730(Top 84%)13730(Top 907%)
20K12.43 mi3.11 mi23302-22513891-9113891-9123714(Top 82%)14070(Top 86%)14070(Top 929%)
HALF13.11 mi0.68 mi23176+12613828+6313828+6320293(Top 70%)12482(Top 76%)12482(Top 824%)
25K15.53 mi2.42 mi23590-41414027-19914027-19925158(Top 87%)14748(Top 90%)14748(Top 974%)
30K18.64 mi3.11 mi23794-20414112-8514112-8524589(Top 85%)14338(Top 88%)14338(Top 947%)
20M20.00 mi1.36 mi23759+3514066+4614066+4623706(Top 82%)13861(Top 85%)13861(Top 916%)
21M21.00 mi1.00 mi24060-30114213-14714213-14726765(Top 92%)15243(Top 93%)15243(Top 1007%)
35K21.75 mi0.75 mi24050+1014195+1814195+1824000(Top 83%)13926(Top 85%)13926(Top 920%)
23M23.00 mi1.25 mi24027+2314165+3014165+3024092(Top 83%)13898(Top 85%)13898(Top 918%)
24M24.00 mi1.00 mi24003+2414126+3914126+3923260(Top 80%)13497(Top 83%)13497(Top 891%)
40K24.85 mi0.85 mi23994+914106+2014106+2023825(Top 82%)13698(Top 84%)13698(Top 905%)
25.2M25.20 mi0.35 mi23985+914094+1214094+1223205(Top 80%)13402(Top 82%)13402(Top 885%)
FINISH26.22 mi1.02 mi23900+8514052+4214052+4221735(Top 75%)12726(Top 78%)12726(Top 841%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22923

Males

13730

M60-64

13730

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

23164

Males

13829

M60-64

13829

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22923

Males

13730

M60-64

13730

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23714

Males

14070

M60-64

14070

20K→HALF

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

20293

Males

12482

M60-64

12482

HALF→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

25158

Males

14748

M60-64

14748

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24589

Males

14338

M60-64

14338

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23706

Males

13861

M60-64

13861

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26765

Males

15243

M60-64

15243

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

24000

Males

13926

M60-64

13926

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

24092

Males

13898

M60-64

13898

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

23260

Males

13497

M60-64

13497

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23825

Males

13698

M60-64

13698

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

23205

Males

13402

M60-64

13402

25.2M→FINISH

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21735

Males

12726

M60-64

12726

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1243
Passed By
1945
Net Change
-702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23198
5K → 10K2402400#23198#23198
10K → 15K236115+121#23198#23077
15K → 20K81306-225#23077#23302
20K → HALF1271+126#23302#23176
HALF → 25K33447-414#23176#23590
25K → 30K84288-204#23590#23794
30K → 20M8752+35#23794#23759
20M → 21M10311-301#23759#24060
21M → 35K4434+10#24060#24050
35K → 23M7855+23#24050#24027
23M → 24M6339+24#24027#24003
24M → 40K4738+9#24003#23994
40K → 25.2M2011+9#23994#23985
25.2M → FINISH938+85#23985#23900
TOTALS12431945-702
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing