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BOSTON MARATHON 2023

Mariano Andres Alcazar

Bib: 31615•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:09
Rank: #21764
Start → 5K
9:23/mi
29:09 split
10K· 6.21 mi
57:14
Rank: #21431 (+333)
5K → 10K
9:02/mi
28:05 split
15K· 9.32 mi
1:24:55
Rank: #21069 (+362)
10K → 15K
8:55/mi
27:41 split
20K· 12.43 mi
1:53:02
Rank: #20757 (+312)
15K → 20K
9:03/mi
28:07 split
Half· 13.11 mi
1:59:11
Rank: #20740 (+17)
20K → Half
9:01/mi
6:09 split
25K· 15.53 mi
2:22:42
Rank: #20882 (-142)
Half → 25K
9:42/mi
23:31 split
30K· 18.64 mi
2:54:55
Rank: #21122 (-240)
25K → 30K
10:22/mi
32:13 split
20M
3:09:35
Rank: #21211 (-89)
30K → 20M
10:48/mi
14:40 split
21M
3:22:02
Rank: #21405 (-194)
20M → 21M
12:27/mi
12:27 split
35K· 21.75 mi
3:30:27
Rank: #21525 (-120)
21M → 35K
11:15/mi
8:25 split
23M
3:44:48
Rank: #21660 (-135)
35K → 23M
11:28/mi
14:21 split
24M
3:56:03
Rank: #21788 (-128)
23M → 24M
11:15/mi
11:15 split
40K· 24.85 mi
4:05:35
Rank: #21823 (-35)
24M → 40K
11:09/mi
9:32 split
25.2M
4:09:56
Rank: #21856 (-33)
40K → 25.2M
12:37/mi
4:21 split
Finish· 26.22 mi
4:20:37
Rank: #21895 (-39)
25.2M → Finish
10:29/mi
10:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:11
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:21:26
Pace10:47 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3129:099:2329:09
9:23
-
10K
6.21 mi12:18:3657:149:1328:05
9:02
-0:21
15K
9.32 mi12:46:171:24:559:0727:41
8:55
-0:07
20K
12.43 mi13:14:241:53:029:0628:07
9:03
+0:08
Half
13.11 mi13:20:331:59:119:056:09
9:01
-0:02
25K
15.53 mi13:44:042:22:429:1123:31
9:42
+0:41
30K
18.64 mi14:16:172:54:559:2332:13
10:22
+0:40
20M
20.00 mi14:30:573:09:359:2914:40
10:48
+0:26
21M
21.00 mi14:43:243:22:029:3712:27
12:27
+1:39
35K
21.75 mi14:51:493:30:279:418:25
11:15
-1:12
23M
23.00 mi15:06:103:44:489:4614:21
11:28
+0:13
24M
24.00 mi15:17:253:56:039:5011:15
11:15
-0:13
40K
24.85 mi15:26:574:05:359:539:32
11:09
-0:06
25.2M
25.20 mi15:31:184:09:569:554:21
12:37
+1:28
Finish
26.22 mi15:41:594:20:379:5710:41
10:29
-2:08

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

8:55 /mi

Average Pace

9:57 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:42

55% of race

Time at Steady Pace

57:34

22% of race

Time at Slower Pace

1:00:21

23% of race

Average Pace: 9:56 /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 mi11:50:3129:099:2329:09
9:23
#21764
10K
6.21 mi12:18:3657:149:1328:05
9:02
#21431
15K
9.32 mi12:46:171:24:559:0727:41
8:55
#21069
20K
12.43 mi13:14:241:53:029:0628:07
9:03
#20757
Half
13.11 mi13:20:331:59:119:056:09
9:01
#20740
25K
15.53 mi13:44:042:22:429:1123:31
9:42
#20882
30K
18.64 mi14:16:172:54:559:2332:13
10:22
#21122
20M
20.00 mi14:30:573:09:359:2914:40
10:48
#21211
21M
21.00 mi14:43:243:22:029:3712:27
12:27
#21405
35K
21.75 mi14:51:493:30:279:418:25
11:15
#21525
23M
23.00 mi15:06:103:44:489:4614:21
11:28
#21660
24M
24.00 mi15:17:253:56:039:5011:15
11:15
#21788
40K
24.85 mi15:26:574:05:359:539:32
11:09
#21823
25.2M
25.20 mi15:31:184:09:569:554:21
12:37
#21856
Finish
26.22 mi15:41:594:20:379:5710:41
10:29
#21895
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21764129711297120085(Top 75%)12341(Top 81%)12341(Top 1112%)
10K6.21 mi3.10 mi21431+33312862+10912862+10921036(Top 79%)12730(Top 84%)12730(Top 1147%)
15K9.32 mi3.11 mi21069+36212722+14012722+14020085(Top 75%)12341(Top 81%)12341(Top 1112%)
20K12.43 mi3.11 mi20757+31212599+12312599+12319927(Top 75%)12272(Top 81%)12272(Top 1106%)
Half13.11 mi0.68 mi20740+1712594+512594+520494(Top 77%)12519(Top 82%)12519(Top 1128%)
25K15.53 mi2.42 mi20882-14212669-7512669-7521451(Top 81%)12899(Top 85%)12899(Top 1162%)
30K18.64 mi3.11 mi21122-24012754-8512754-8521926(Top 82%)13039(Top 86%)13039(Top 1175%)
20M20.00 mi1.36 mi21211-8912766-1212766-1222328(Top 84%)13149(Top 87%)13149(Top 1185%)
21M21.00 mi1.00 mi21405-19412857-9112857-9123387(Top 88%)13612(Top 90%)13612(Top 1226%)
35K21.75 mi0.75 mi21525-12012905-4812905-4823715(Top 89%)13695(Top 90%)13695(Top 1234%)
23M23.00 mi1.25 mi21660-13512945-4012945-4023177(Top 87%)13472(Top 89%)13472(Top 1214%)
24M24.00 mi1.00 mi21788-12812997-5212997-5223490(Top 88%)13574(Top 89%)13574(Top 1223%)
40K24.85 mi0.85 mi21823-3512998-112998-122639(Top 85%)13145(Top 87%)13145(Top 1184%)
25.2M25.20 mi0.35 mi21856-3313014-1613014-1623428(Top 88%)13508(Top 89%)13508(Top 1217%)
Finish26.22 mi1.02 mi21895-3913020-613020-622962(Top 86%)13308(Top 88%)13308(Top 1199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

20085

Males

12341

M60-64

12341

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21036

Males

12730

M60-64

12730

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

20085

Males

12341

M60-64

12341

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19927

Males

12272

M60-64

12272

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20494

Males

12519

M60-64

12519

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21451

Males

12899

M60-64

12899

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21926

Males

13039

M60-64

13039

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22328

Males

13149

M60-64

13149

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23387

Males

13612

M60-64

13612

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23715

Males

13695

M60-64

13695

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23177

Males

13472

M60-64

13472

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23490

Males

13574

M60-64

13574

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22639

Males

13145

M60-64

13145

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23428

Males

13508

M60-64

13508

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22962

Males

13308

M60-64

13308

Passing Analysis

Category:
Athletes Passed
1567
Passed By
1698
Net Change
-131
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21764
5K → 10K474141+333#21764#21431
10K → 15K40543+362#21431#21069
15K → 20K34634+312#21069#20757
20K → Half3619+17#20757#20740
Half → 25K55197-142#20740#20882
25K → 30K76316-240#20882#21122
30K → 20M48137-89#21122#21211
20M → 21M21215-194#21211#21405
21M → 35K9129-120#21405#21525
35K → 23M31166-135#21525#21660
23M → 24M8136-128#21660#21788
24M → 40K2762-35#21788#21823
40K → 25.2M639-33#21823#21856
25.2M → Finish2564-39#21856#21895
TOTALS15671698-131
📊

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