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BOSTON MARATHON 2025

Alexander Polanco

Bib: 29909•M

NJ

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:21
Rank: #25792
Start → 5K
31:21 | 10:05/mi
10K· 6.21 mi
1:02:31
Rank: #25568 (+224)
5K → 10K
31:10 | 10:02/mi
15K· 9.32 mi
1:33:40
Rank: #25412 (+156)
10K → 15K
31:09 | 10:02/mi
20K· 12.43 mi
2:07:08
Rank: #25489 (-77)
15K → 20K
33:28 | 10:46/mi
Half· 13.11 mi
2:14:00
Rank: #25447 (+42)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:40:07
Rank: #25342 (+105)
Half → 25K
26:07 | 10:46/mi
30K· 18.64 mi
3:16:58
Rank: #25356 (-14)
25K → 30K
36:51 | 11:52/mi
20M
3:33:42
Rank: #25392 (-36)
30K → 20M
16:44 | 12:19/mi
21M
3:46:48
Rank: #25403 (-11)
20M → 21M
13:06 | 13:06/mi
35K· 21.75 mi
3:55:49
Rank: #25426 (-23)
21M → 35K
9:01 | 12:03/mi
23M
4:11:02
Rank: #25412 (+14)
35K → 23M
15:13 | 12:09/mi
24M
4:22:45
Rank: #25415 (-3)
23M → 24M
11:43 | 11:43/mi
40K· 24.85 mi
4:32:15
Rank: #25345 (+70)
24M → 40K
9:30 | 11:07/mi
25.2M
4:36:34
Rank: #25329 (+16)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
4:46:47
Rank: #25285 (+44)
25.2M → Finish
10:13 | 10:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:00
Pace10:13 /mi
2nd Half
Distance13.11 mi
Time2:32:47
Pace11:39 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4131:2110:0531:21
10:05
-
10K
6.21 mi12:25:511:02:3110:0431:10
10:02
-0:03
15K
9.32 mi12:57:001:33:4010:0331:09
10:02
0:00
20K
12.43 mi13:30:282:07:0810:1433:28
10:46
+0:44
Half
13.11 mi13:37:202:14:0010:136:52
10:04
-0:42
25K
15.53 mi14:03:272:40:0710:1826:07
10:46
+0:42
30K
18.64 mi14:40:183:16:5810:3436:51
11:52
+1:06
20M
20.00 mi14:57:023:33:4210:4116:44
12:19
+0:27
21M
21.00 mi15:10:083:46:4810:4813:06
13:06
+0:47
35K
21.75 mi15:19:093:55:4910:519:01
12:03
-1:03
23M
23.00 mi15:34:224:11:0210:5515:13
12:09
+0:06
24M
24.00 mi15:46:054:22:4510:5711:43
11:43
-0:26
40K
24.85 mi15:55:354:32:1510:579:30
11:07
-0:36
25.2M
25.20 mi15:59:544:36:3410:584:19
12:31
+1:24
Finish
26.22 mi16:10:074:46:4710:5710:13
10:02
-2:29

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

10:02 /mi

Average Pace

10:57 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:45

39% of race

Time at Steady Pace

1:09:05

24% of race

Time at Slower Pace

1:46:57

37% of race

Average Pace: 10:56 /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 mi11:54:4131:2110:0531:21
10:05
#25792
10K
6.21 mi12:25:511:02:3110:0431:10
10:02
#25568
15K
9.32 mi12:57:001:33:4010:0331:09
10:02
#25412
20K
12.43 mi13:30:282:07:0810:1433:28
10:46
#25489
Half
13.11 mi13:37:202:14:0010:136:52
10:04
#25447
25K
15.53 mi14:03:272:40:0710:1826:07
10:46
#25342
30K
18.64 mi14:40:183:16:5810:3436:51
11:52
#25356
20M
20.00 mi14:57:023:33:4210:4116:44
12:19
#25392
21M
21.00 mi15:10:083:46:4810:4813:06
13:06
#25403
35K
21.75 mi15:19:093:55:4910:519:01
12:03
#25426
23M
23.00 mi15:34:224:11:0210:5515:13
12:09
#25412
24M
24.00 mi15:46:054:22:4510:5711:43
11:43
#25415
40K
24.85 mi15:55:354:32:1510:579:30
11:07
#25345
25.2M
25.20 mi15:59:544:36:3410:584:19
12:31
#25329
Finish
26.22 mi16:10:074:46:4710:5710:13
10:02
#25285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25792150891508925041(Top 88%)14740(Top 92%)14740(Top 618%)
10K6.21 mi3.10 mi25568+22414965+12414965+12425385(Top 89%)14870(Top 92%)14870(Top 623%)
15K9.32 mi3.11 mi25412+15614903+6214903+6225041(Top 88%)14740(Top 92%)14740(Top 618%)
20K12.43 mi3.11 mi25489-7714920-1714920-1725662(Top 90%)14972(Top 93%)14972(Top 627%)
Half13.11 mi0.68 mi25447+4214901+1914901+1924929(Top 88%)14628(Top 91%)14628(Top 613%)
25K15.53 mi2.42 mi25342+10514839+6214839+6224846(Top 87%)14578(Top 91%)14578(Top 611%)
30K18.64 mi3.11 mi25356-1414811+2814811+2825397(Top 89%)14717(Top 91%)14717(Top 617%)
20M20.00 mi1.36 mi25392-3614817-614817-625693(Top 90%)14783(Top 92%)14783(Top 620%)
21M21.00 mi1.00 mi25403-1114801+1614801+1625168(Top 89%)14454(Top 90%)14454(Top 606%)
35K21.75 mi0.75 mi25426-2314806-514806-525938(Top 91%)14794(Top 92%)14794(Top 620%)
23M23.00 mi1.25 mi25412+1414786+2014786+2025326(Top 89%)14497(Top 90%)14497(Top 608%)
24M24.00 mi1.00 mi25415-314779+714779+725263(Top 89%)14437(Top 90%)14437(Top 605%)
40K24.85 mi0.85 mi25345+7014748+3114748+3123369(Top 82%)13422(Top 83%)13422(Top 563%)
25.2M25.20 mi0.35 mi25329+1614737+1114737+1124184(Top 85%)13847(Top 86%)13847(Top 580%)
Finish26.22 mi1.02 mi25285+4414711+2614711+2622986(Top 81%)13265(Top 82%)13265(Top 556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25041

Males

14740

M45-49

14740

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25385

Males

14870

M45-49

14870

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25041

Males

14740

M45-49

14740

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25662

Males

14972

M45-49

14972

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

24929

Males

14628

M45-49

14628

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24846

Males

14578

M45-49

14578

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25397

Males

14717

M45-49

14717

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25693

Males

14783

M45-49

14783

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25168

Males

14454

M45-49

14454

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25938

Males

14794

M45-49

14794

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25326

Males

14497

M45-49

14497

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25263

Males

14437

M45-49

14437

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23369

Males

13422

M45-49

13422

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24184

Males

13847

M45-49

13847

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22986

Males

13265

M45-49

13265

Passing Analysis

Category:
Athletes Passed
1269
Passed By
762
Net Change
+507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25792
5K → 10K31793+224#25792#25568
10K → 15K21054+156#25568#25412
15K → 20K101178-77#25412#25489
20K → Half475+42#25489#25447
Half → 25K14439+105#25447#25342
25K → 30K116130-14#25342#25356
30K → 20M4076-36#25356#25392
20M → 21M4455-11#25392#25403
21M → 35K1740-23#25403#25426
35K → 23M4834+14#25426#25412
23M → 24M3740-3#25412#25415
24M → 40K755+70#25415#25345
40K → 25.2M193+16#25345#25329
25.2M → Finish5410+44#25329#25285
TOTALS1269762+507
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing