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BOSTON MARATHON 2023

Aleksander Jonca

Bib: 31033•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:39
Rank: #21272
Start → 5K
28:39 | 9:13/mi
10K· 6.21 mi
55:58
Rank: #20676 (+596)
5K → 10K
27:19 | 8:48/mi
15K· 9.32 mi
1:22:42
Rank: #19988 (+688)
10K → 15K
26:44 | 8:36/mi
20K· 12.43 mi
1:50:57
Rank: #19998 (-10)
15K → 20K
28:15 | 9:06/mi
Half· 13.11 mi
1:56:47
Rank: #19888 (+110)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:19:02
Rank: #19884 (+4)
Half → 25K
22:15 | 9:11/mi
30K· 18.64 mi
2:49:28
Rank: #20016 (-132)
25K → 30K
30:26 | 9:48/mi
20M
3:04:13
Rank: #20289 (-273)
30K → 20M
14:45 | 10:51/mi
21M
3:15:30
Rank: #20364 (-75)
20M → 21M
11:17 | 11:17/mi
35K· 21.75 mi
3:22:29
Rank: #20309 (+55)
21M → 35K
6:59 | 9:20/mi
23M
3:34:10
Rank: #20167 (+142)
35K → 23M
11:41 | 9:20/mi
24M
3:43:26
Rank: #20103 (+64)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:52:11
Rank: #20122 (-19)
24M → 40K
8:45 | 10:14/mi
25.2M
3:56:00
Rank: #20121 (+1)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:05:54
Rank: #20144 (-23)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:47
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:09:07
Pace9:51 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4828:399:1328:39
9:13
-
10K
6.21 mi12:16:0755:589:0027:19
8:48
-0:25
15K
9.32 mi12:42:511:22:428:5226:44
8:36
-0:12
20K
12.43 mi13:11:061:50:578:5628:15
9:06
+0:30
Half
13.11 mi13:16:561:56:478:545:50
8:33
-0:33
25K
15.53 mi13:39:112:19:028:5722:15
9:11
+0:38
30K
18.64 mi14:09:372:49:289:0530:26
9:48
+0:37
20M
20.00 mi14:24:223:04:139:1314:45
10:51
+1:03
21M
21.00 mi14:35:393:15:309:1911:17
11:17
+0:26
35K
21.75 mi14:42:383:22:299:196:59
9:20
-1:57
23M
23.00 mi14:54:193:34:109:1911:41
9:20
0:00
24M
24.00 mi15:03:353:43:269:199:16
9:16
-0:04
40K
24.85 mi15:12:203:52:119:208:45
10:14
+0:58
25.2M
25.20 mi15:16:093:56:009:223:49
11:04
+0:50
Finish
26.22 mi15:26:034:05:549:239:54
9:43
-1:21

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

8:33 /mi

Average Pace

9:23 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:53

24% of race

Time at Steady Pace

1:56:59

48% of race

Time at Slower Pace

1:09:02

28% of race

Average Pace: 9:23 /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 mi11:48:4828:399:1328:39
9:13
#21272
10K
6.21 mi12:16:0755:589:0027:19
8:48
#20676
15K
9.32 mi12:42:511:22:428:5226:44
8:36
#19988
20K
12.43 mi13:11:061:50:578:5628:15
9:06
#19998
Half
13.11 mi13:16:561:56:478:545:50
8:33
#19888
25K
15.53 mi13:39:112:19:028:5722:15
9:11
#19884
30K
18.64 mi14:09:372:49:289:0530:26
9:48
#20016
20M
20.00 mi14:24:223:04:139:1314:45
10:51
#20289
21M
21.00 mi14:35:393:15:309:1911:17
11:17
#20364
35K
21.75 mi14:42:383:22:299:196:59
9:20
#20309
23M
23.00 mi14:54:193:34:109:1911:41
9:20
#20167
24M
24.00 mi15:03:353:43:269:199:16
9:16
#20103
40K
24.85 mi15:12:203:52:119:208:45
10:14
#20122
25.2M
25.20 mi15:16:093:56:009:223:49
11:04
#20121
Finish
26.22 mi15:26:034:05:549:239:54
9:43
#20144
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21272127401274018472(Top 69%)11675(Top 77%)11675(Top 221%)
10K6.21 mi3.10 mi20676+59612521+21912521+21919883(Top 75%)12234(Top 81%)12234(Top 231%)
15K9.32 mi3.11 mi19988+68812236+28512236+28518472(Top 69%)11675(Top 77%)11675(Top 221%)
20K12.43 mi3.11 mi19998-1012255-1912255-1920105(Top 76%)12354(Top 81%)12354(Top 234%)
Half13.11 mi0.68 mi19888+11012209+4612209+4617985(Top 68%)11507(Top 76%)11507(Top 218%)
25K15.53 mi2.42 mi19884+412215-612215-619733(Top 74%)12163(Top 80%)12163(Top 230%)
30K18.64 mi3.11 mi20016-13212254-3912254-3920435(Top 77%)12398(Top 82%)12398(Top 235%)
20M20.00 mi1.36 mi20289-27312359-10512359-10522425(Top 84%)13190(Top 87%)13190(Top 250%)
21M21.00 mi1.00 mi20364-7512385-2612385-2621432(Top 81%)12707(Top 84%)12707(Top 240%)
35K21.75 mi0.75 mi20309+5512352+3312352+3319282(Top 72%)11728(Top 77%)11728(Top 222%)
23M23.00 mi1.25 mi20167+14212279+7312279+7317663(Top 66%)10979(Top 72%)10979(Top 208%)
24M24.00 mi1.00 mi20103+6412248+3112248+3118329(Top 69%)11242(Top 74%)11242(Top 213%)
40K24.85 mi0.85 mi20122-1912244+412244+420563(Top 77%)12180(Top 80%)12180(Top 230%)
25.2M25.20 mi0.35 mi20121+112236+812236+820587(Top 77%)12194(Top 80%)12194(Top 231%)
Finish26.22 mi1.02 mi20144-23122361223620833(Top 78%)12332(Top 81%)12332(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18472

Males

11675

M18-39

11675

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19883

Males

12234

M18-39

12234

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18472

Males

11675

M18-39

11675

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20105

Males

12354

M18-39

12354

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17985

Males

11507

M18-39

11507

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19733

Males

12163

M18-39

12163

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20435

Males

12398

M18-39

12398

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22425

Males

13190

M18-39

13190

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21432

Males

12707

M18-39

12707

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19282

Males

11728

M18-39

11728

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17663

Males

10979

M18-39

10979

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18329

Males

11242

M18-39

11242

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20563

Males

12180

M18-39

12180

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20587

Males

12194

M18-39

12194

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20833

Males

12332

M18-39

12332

Passing Analysis

Category:
Athletes Passed
2384
Passed By
1256
Net Change
+1128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21272
5K → 10K68892+596#21272#20676
10K → 15K70113+688#20676#19988
15K → 20K173183-10#19988#19998
20K → Half1100+110#19998#19888
Half → 25K128124+4#19888#19884
25K → 30K118250-132#19884#20016
30K → 20M30303-273#20016#20289
20M → 21M47122-75#20289#20364
21M → 35K7217+55#20364#20309
35K → 23M1519+142#20309#20167
23M → 24M7511+64#20167#20103
24M → 40K4160-19#20103#20122
40K → 25.2M2423+1#20122#20121
25.2M → Finish2649-23#20121#20144
TOTALS23841256+1128
📊

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