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BOSTON MARATHON 2024

Robert Zalecki

Bib: 2859•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Masters (Masters Men)
#0 / 9729
Top 5%
Division (M50-54)
#0 / 1935
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #2285
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
39:26
Rank: #2230 (+55)
5K → 10K
19:45 | 6:21/mi
15K· 9.32 mi
59:13
Rank: #2148 (+82)
10K → 15K
19:47 | 6:22/mi
20K· 12.43 mi
1:19:12
Rank: #2042 (+106)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:23:33
Rank: #2039 (+3)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:15
Rank: #1924 (+115)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
2:00:01
Rank: #1778 (+146)
25K → 30K
20:46 | 6:41/mi
20M
2:09:20
Rank: #1744 (+34)
30K → 20M
9:19 | 6:51/mi
21M
2:16:55
Rank: #1763 (-19)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:22:05
Rank: #1763
21M → 35K
5:10 | 6:54/mi
23M
2:31:03
Rank: #1764 (-1)
35K → 23M
8:58 | 7:10/mi
24M
2:38:17
Rank: #1791 (-27)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:44:44
Rank: #1835 (-44)
24M → 40K
6:27 | 7:33/mi
25.2M
2:47:42
Rank: #1870 (-35)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
2:55:26
Rank: #1959 (-89)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:31:53
Pace7:01 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:416:2019:41
6:20
-
10K
6.21 mi10:40:2739:266:2119:45
6:21
+0:01
15K
9.32 mi11:00:1459:136:2119:47
6:22
+0:01
20K
12.43 mi11:20:131:19:126:2219:59
6:26
+0:04
Half
13.11 mi11:24:341:23:336:224:21
6:23
-0:03
25K
15.53 mi11:40:161:39:156:2315:42
6:29
+0:06
30K
18.64 mi12:01:022:00:016:2620:46
6:41
+0:12
20M
20.00 mi12:10:212:09:206:289:19
6:51
+0:10
21M
21.00 mi12:17:562:16:556:317:35
7:35
+0:44
35K
21.75 mi12:23:062:22:056:325:10
6:54
-0:41
23M
23.00 mi12:32:042:31:036:348:58
7:10
+0:16
24M
24.00 mi12:39:182:38:176:367:14
7:14
+0:04
40K
24.85 mi12:45:452:44:446:386:27
7:33
+0:19
25.2M
25.20 mi12:48:432:47:426:392:58
8:36
+1:03
Finish
26.22 mi12:56:272:55:266:427:44
7:35
-1:01

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

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:15

57% of race

Time at Steady Pace

35:15

20% of race

Time at Slower Pace

40:56

23% of race

Average Pace: 6:41 /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 mi10:20:4219:416:2019:41
6:20
#2285
10K
6.21 mi10:40:2739:266:2119:45
6:21
#2230
15K
9.32 mi11:00:1459:136:2119:47
6:22
#2148
20K
12.43 mi11:20:131:19:126:2219:59
6:26
#2042
Half
13.11 mi11:24:341:23:336:224:21
6:23
#2039
25K
15.53 mi11:40:161:39:156:2315:42
6:29
#1924
30K
18.64 mi12:01:022:00:016:2620:46
6:41
#1778
20M
20.00 mi12:10:212:09:206:289:19
6:51
#1744
21M
21.00 mi12:17:562:16:556:317:35
7:35
#1763
35K
21.75 mi12:23:062:22:056:325:10
6:54
#1763
23M
23.00 mi12:32:042:31:036:348:58
7:10
#1764
24M
24.00 mi12:39:182:38:176:367:14
7:14
#1791
40K
24.85 mi12:45:452:44:446:386:27
7:33
#1835
25.2M
25.20 mi12:48:432:47:426:392:58
8:36
#1870
Finish
26.22 mi12:56:272:55:266:427:44
7:35
#1959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2285220622062023(Top 8%)1957(Top 13%)1957(Top 101%)
10K6.21 mi3.10 mi2230+552156+502156+502185(Top 9%)2109(Top 14%)2109(Top 109%)
15K9.32 mi3.11 mi2148+822078+782078+782023(Top 8%)1957(Top 13%)1957(Top 101%)
20K12.43 mi3.11 mi2042+1061974+1041974+1041862(Top 7%)1796(Top 12%)1796(Top 93%)
Half13.11 mi0.68 mi2039+31971+31971+31983(Top 8%)1913(Top 13%)1913(Top 99%)
25K15.53 mi2.42 mi1924+1151861+1101861+1101683(Top 7%)1621(Top 11%)1621(Top 84%)
30K18.64 mi3.11 mi1778+1461718+1431718+1431580(Top 6%)1512(Top 10%)1512(Top 78%)
20M20.00 mi1.36 mi1744+341684+341684+341771(Top 7%)1665(Top 11%)1665(Top 86%)
21M21.00 mi1.00 mi1763-191699-151699-152746(Top 11%)2488(Top 17%)2488(Top 129%)
35K21.75 mi0.75 mi17631697+21697+22666(Top 10%)2418(Top 17%)2418(Top 125%)
23M23.00 mi1.25 mi1764-11693+41693+42428(Top 10%)2188(Top 15%)2188(Top 113%)
24M24.00 mi1.00 mi1791-271717-241717-243090(Top 12%)2681(Top 18%)2681(Top 139%)
40K24.85 mi0.85 mi1835-441753-361753-363638(Top 14%)2971(Top 20%)2971(Top 154%)
25.2M25.20 mi0.35 mi1870-351785-321785-324793(Top 19%)3599(Top 25%)3599(Top 186%)
Finish26.22 mi1.02 mi1959-891864-791864-796064(Top 24%)4349(Top 30%)4349(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2023

Males

1957

M50-54

1957

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2185

Males

2109

M50-54

2109

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2023

Males

1957

M50-54

1957

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1862

Males

1796

M50-54

1796

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

1983

Males

1913

M50-54

1913

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1683

Males

1621

M50-54

1621

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1580

Males

1512

M50-54

1512

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1771

Males

1665

M50-54

1665

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2746

Males

2488

M50-54

2488

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2666

Males

2418

M50-54

2418

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2428

Males

2188

M50-54

2188

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3090

Males

2681

M50-54

2681

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3638

Males

2971

M50-54

2971

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4793

Males

3599

M50-54

3599

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6064

Males

4349

M50-54

4349

Passing Analysis

Category:
Athletes Passed
973
Passed By
647
Net Change
+326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2285
5K → 10K14085+55#2285#2230
10K → 15K12038+82#2230#2148
15K → 20K15044+106#2148#2042
20K → Half129+3#2042#2039
Half → 25K12914+115#2039#1924
25K → 30K17226+146#1924#1778
30K → 20M6228+34#1778#1744
20M → 21M4160-19#1744#1763
21M → 35K27270#1763#1763
35K → 23M5455-1#1763#1764
23M → 24M2653-27#1764#1791
24M → 40K1357-44#1791#1835
40K → 25.2M1146-35#1835#1870
25.2M → Finish16105-89#1870#1959
TOTALS973647+326
📊

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