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BOSTON MARATHON 2023

Carlos Zucher

Bib: 29916•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:02
Rank: #20559
Start → 5K
28:02 | 9:01/mi
10K· 6.21 mi
56:41
Rank: #21144 (-585)
5K → 10K
28:39 | 9:13/mi
15K· 9.32 mi
1:25:14
Rank: #21192 (-48)
10K → 15K
28:33 | 9:11/mi
20K· 12.43 mi
1:56:02
Rank: #21632 (-440)
15K → 20K
30:48 | 9:55/mi
Half· 13.11 mi
2:02:46
Rank: #21714 (-82)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:28:08
Rank: #21995 (-281)
Half → 25K
25:22 | 10:28/mi
30K· 18.64 mi
3:08:06
Rank: #23016 (-1021)
25K → 30K
39:58 | 12:52/mi
20M
3:23:54
Rank: #23072 (-56)
30K → 20M
15:48 | 11:38/mi
21M
3:35:32
Rank: #23014 (+58)
20M → 21M
11:38 | 11:38/mi
35K· 21.75 mi
3:43:20
Rank: #22985 (+29)
21M → 35K
7:48 | 10:26/mi
23M
3:59:53
Rank: #23204 (-219)
35K → 23M
16:33 | 13:13/mi
24M
4:12:38
Rank: #23346 (-142)
23M → 24M
12:45 | 12:45/mi
40K· 24.85 mi
4:23:32
Rank: #23424 (-78)
24M → 40K
10:54 | 12:45/mi
25.2M
4:28:38
Rank: #23494 (-70)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
4:42:02
Rank: #23675 (-181)
25.2M → Finish
13:24 | 13:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:46
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:39:16
Pace12:09 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3128:029:0128:02
9:01
-
10K
6.21 mi12:20:1056:419:0728:39
9:13
+0:12
15K
9.32 mi12:48:431:25:149:0928:33
9:11
-0:02
20K
12.43 mi13:19:311:56:029:2030:48
9:55
+0:44
Half
13.11 mi13:26:152:02:469:226:44
9:52
-0:03
25K
15.53 mi13:51:372:28:089:3225:22
10:28
+0:36
30K
18.64 mi14:31:353:08:0610:0539:58
12:52
+2:24
20M
20.00 mi14:47:233:23:5410:1215:48
11:38
-1:14
21M
21.00 mi14:59:013:35:3210:1611:38
11:38
0:00
35K
21.75 mi15:06:493:43:2010:167:48
10:26
-1:12
23M
23.00 mi15:23:223:59:5310:2616:33
13:13
+2:47
24M
24.00 mi15:36:074:12:3810:3212:45
12:45
-0:28
40K
24.85 mi15:47:014:23:3210:3610:54
12:45
0:00
25.2M
25.20 mi15:52:074:28:3810:405:06
14:47
+2:02
Finish
26.22 mi16:05:314:42:0210:4613:24
13:09
-1:38

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

9:01 /mi

Average Pace

10:46 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:56

55% of race

Time at Steady Pace

27:26

10% of race

Time at Slower Pace

1:38:40

35% of race

Average Pace: 10:45 /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 mi11:51:3128:029:0128:02
9:01
#20559
10K
6.21 mi12:20:1056:419:0728:39
9:13
#21144
15K
9.32 mi12:48:431:25:149:0928:33
9:11
#21192
20K
12.43 mi13:19:311:56:029:2030:48
9:55
#21632
Half
13.11 mi13:26:152:02:469:226:44
9:52
#21714
25K
15.53 mi13:51:372:28:089:3225:22
10:28
#21995
30K
18.64 mi14:31:353:08:0610:0539:58
12:52
#23016
20M
20.00 mi14:47:233:23:5410:1215:48
11:38
#23072
21M
21.00 mi14:59:013:35:3210:1611:38
11:38
#23014
35K
21.75 mi15:06:493:43:2010:167:48
10:26
#22985
23M
23.00 mi15:23:223:59:5310:2616:33
13:13
#23204
24M
24.00 mi15:36:074:12:3810:3212:45
12:45
#23346
40K
24.85 mi15:47:014:23:3210:3610:54
12:45
#23424
25.2M
25.20 mi15:52:074:28:3810:405:06
14:47
#23494
Finish
26.22 mi16:05:314:42:0210:4613:24
13:09
#23675
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20559123911239121265(Top 80%)12864(Top 85%)12864(Top 627%)
10K6.21 mi3.10 mi21144-58512734-34312734-34321680(Top 81%)13013(Top 86%)13013(Top 634%)
15K9.32 mi3.11 mi21192-4812787-5312787-5321265(Top 80%)12864(Top 85%)12864(Top 627%)
20K12.43 mi3.11 mi21632-44012984-19712984-19722687(Top 85%)13483(Top 89%)13483(Top 657%)
Half13.11 mi0.68 mi21714-8213028-4413028-4423018(Top 86%)13640(Top 90%)13640(Top 665%)
25K15.53 mi2.42 mi21995-28113147-11913147-11923127(Top 87%)13650(Top 90%)13650(Top 665%)
30K18.64 mi3.11 mi23016-102113607-46013607-46025298(Top 95%)14540(Top 96%)14540(Top 709%)
20M20.00 mi1.36 mi23072-5613617-1013617-1023729(Top 89%)13787(Top 91%)13787(Top 672%)
21M21.00 mi1.00 mi23014+5813580+3713580+3722104(Top 83%)13024(Top 86%)13024(Top 635%)
35K21.75 mi0.75 mi22985+2913559+2113559+2122237(Top 84%)13037(Top 86%)13037(Top 635%)
23M23.00 mi1.25 mi23204-21913660-10113660-10125288(Top 95%)14477(Top 95%)14477(Top 706%)
24M24.00 mi1.00 mi23346-14213710-5013710-5025290(Top 95%)14441(Top 95%)14441(Top 704%)
40K24.85 mi0.85 mi23424-7813743-3313743-3324719(Top 93%)14165(Top 93%)14165(Top 690%)
25.2M25.20 mi0.35 mi23494-7013775-3213775-3225572(Top 96%)14583(Top 96%)14583(Top 711%)
Finish26.22 mi1.02 mi23675-18113854-7913854-7926050(Top 98%)14831(Top 98%)14831(Top 723%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21265

Males

12864

M50-54

12864

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21680

Males

13013

M50-54

13013

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21265

Males

12864

M50-54

12864

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22687

Males

13483

M50-54

13483

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

23018

Males

13640

M50-54

13640

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23127

Males

13650

M50-54

13650

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25298

Males

14540

M50-54

14540

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23729

Males

13787

M50-54

13787

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22104

Males

13024

M50-54

13024

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22237

Males

13037

M50-54

13037

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25288

Males

14477

M50-54

14477

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25290

Males

14441

M50-54

14441

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24719

Males

14165

M50-54

14165

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25572

Males

14583

M50-54

14583

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

26050

Males

14831

M50-54

14831

Passing Analysis

Category:
Athletes Passed
533
Passed By
3649
Net Change
-3116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20559
5K → 10K96681-585#20559#21144
10K → 15K140188-48#21144#21192
15K → 20K34474-440#21192#21632
20K → Half789-82#21632#21714
Half → 25K40321-281#21714#21995
25K → 30K71028-1021#21995#23016
30K → 20M4197-56#23016#23072
20M → 21M7820+58#23072#23014
21M → 35K4516+29#23014#22985
35K → 23M15234-219#22985#23204
23M → 24M7149-142#23204#23346
24M → 40K1896-78#23346#23424
40K → 25.2M272-70#23424#23494
25.2M → Finish3184-181#23494#23675
TOTALS5333649-3116
📊

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