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BOSTON MARATHON 2023

Bojan Kuljic

Bib: 2717•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4540
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:12
Rank: #3387 (+1153)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:01:14
Rank: #2968 (+419)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:21:58
Rank: #3054 (-86)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:26:31
Rank: #3093 (-39)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:19
Rank: #3364 (-271)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:05:35
Rank: #3749 (-385)
25K → 30K
22:16 | 7:10/mi
20M
2:15:19
Rank: #3833 (-84)
30K → 20M
9:44 | 7:10/mi
21M
2:22:48
Rank: #3865 (-32)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:27:55
Rank: #3893 (-28)
21M → 35K
5:07 | 6:50/mi
23M
2:36:35
Rank: #3820 (+73)
35K → 23M
8:40 | 6:55/mi
24M
2:43:24
Rank: #3807 (+13)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:49:20
Rank: #3769 (+38)
24M → 40K
5:56 | 6:56/mi
25.2M
2:51:58
Rank: #3792 (-23)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:59:03
Rank: #3867 (-75)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:32:32
Pace7:04 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5421:056:4721:05
6:47
-
10K
6.21 mi10:42:0141:126:3820:07
6:28
-0:19
15K
9.32 mi11:02:031:01:146:3420:02
6:27
-0:01
20K
12.43 mi11:22:471:21:586:3620:44
6:40
+0:13
Half
13.11 mi11:27:201:26:316:364:33
6:40
0:00
25K
15.53 mi11:44:081:43:196:3916:48
6:56
+0:16
30K
18.64 mi12:06:242:05:356:4422:16
7:10
+0:14
20M
20.00 mi12:16:082:15:196:469:44
7:10
0:00
21M
21.00 mi12:23:372:22:486:487:29
7:29
+0:19
35K
21.75 mi12:28:442:27:556:485:07
6:50
-0:39
23M
23.00 mi12:37:242:36:356:488:40
6:55
+0:05
24M
24.00 mi12:44:132:43:246:496:49
6:49
-0:06
40K
24.85 mi12:50:092:49:206:495:56
6:56
+0:07
25.2M
25.20 mi12:52:472:51:586:492:38
7:38
+0:42
Finish
26.22 mi12:59:522:59:036:507:05
6:57
-0:41

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

6:27 /mi

Average Pace

6:50 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:56

76% of race

Time at Steady Pace

39:29

22% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:50 /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 mi10:21:5421:056:4721:05
6:47
#4540
10K
6.21 mi10:42:0141:126:3820:07
6:28
#3387
15K
9.32 mi11:02:031:01:146:3420:02
6:27
#2968
20K
12.43 mi11:22:471:21:586:3620:44
6:40
#3054
Half
13.11 mi11:27:201:26:316:364:33
6:40
#3093
25K
15.53 mi11:44:081:43:196:3916:48
6:56
#3364
30K
18.64 mi12:06:242:05:356:4422:16
7:10
#3749
20M
20.00 mi12:16:082:15:196:469:44
7:10
#3833
21M
21.00 mi12:23:372:22:486:487:29
7:29
#3865
35K
21.75 mi12:28:442:27:556:485:07
6:50
#3893
23M
23.00 mi12:37:242:36:356:488:40
6:55
#3820
24M
24.00 mi12:44:132:43:246:496:49
6:49
#3807
40K
24.85 mi12:50:092:49:206:495:56
6:56
#3769
25.2M
25.20 mi12:52:472:51:586:492:38
7:38
#3792
Finish
26.22 mi12:59:522:59:036:507:05
6:57
#3867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4540423442342356(Top 9%)2262(Top 15%)2262(Top 43%)
10K6.21 mi3.10 mi3387+11533204+10303204+10302656(Top 10%)2540(Top 17%)2540(Top 48%)
15K9.32 mi3.11 mi2968+4192831+3732831+3732356(Top 9%)2262(Top 15%)2262(Top 43%)
20K12.43 mi3.11 mi3054-862916-852916-853368(Top 13%)3196(Top 21%)3196(Top 60%)
Half13.11 mi0.68 mi3093-392948-322948-324034(Top 15%)3786(Top 25%)3786(Top 72%)
25K15.53 mi2.42 mi3364-2713198-2503198-2505128(Top 19%)4731(Top 31%)4731(Top 90%)
30K18.64 mi3.11 mi3749-3853539-3413539-3415295(Top 20%)4830(Top 32%)4830(Top 91%)
20M20.00 mi1.36 mi3833-843612-733612-734903(Top 18%)4458(Top 29%)4458(Top 84%)
21M21.00 mi1.00 mi3865-323640-283640-284473(Top 17%)4075(Top 27%)4075(Top 77%)
35K21.75 mi0.75 mi3893-283661-213661-214409(Top 17%)4027(Top 27%)4027(Top 76%)
23M23.00 mi1.25 mi3820+733596+653596+653374(Top 13%)3127(Top 21%)3127(Top 59%)
24M24.00 mi1.00 mi3807+133577+193577+193738(Top 14%)3424(Top 23%)3424(Top 65%)
40K24.85 mi0.85 mi3769+383543+343543+343536(Top 13%)3215(Top 21%)3215(Top 61%)
25.2M25.20 mi0.35 mi3792-233564-213564-214502(Top 17%)3915(Top 26%)3915(Top 74%)
Finish26.22 mi1.02 mi3867-753629-653629-654899(Top 18%)4196(Top 28%)4196(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2356

Males

2262

M18-39

2262

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2656

Males

2540

M18-39

2540

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2356

Males

2262

M18-39

2262

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3368

Males

3196

M18-39

3196

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4034

Males

3786

M18-39

3786

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5128

Males

4731

M18-39

4731

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5295

Males

4830

M18-39

4830

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4903

Males

4458

M18-39

4458

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4473

Males

4075

M18-39

4075

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4409

Males

4027

M18-39

4027

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3374

Males

3127

M18-39

3127

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3738

Males

3424

M18-39

3424

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3536

Males

3215

M18-39

3215

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4502

Males

3915

M18-39

3915

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4899

Males

4196

M18-39

4196

Passing Analysis

Category:
Athletes Passed
2046
Passed By
1373
Net Change
+673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4540
5K → 10K11618+1153#4540#3387
10K → 15K4223+419#3387#2968
15K → 20K53139-86#2968#3054
20K → Half241-39#3054#3093
Half → 25K17288-271#3093#3364
25K → 30K22407-385#3364#3749
30K → 20M38122-84#3749#3833
20M → 21M5486-32#3833#3865
21M → 35K2250-28#3865#3893
35K → 23M9320+73#3893#3820
23M → 24M5138+13#3820#3807
24M → 40K7234+38#3807#3769
40K → 25.2M1336-23#3769#3792
25.2M → Finish26101-75#3792#3867
TOTALS20461373+673
📊

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