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BOSTON MARATHON 2023

Kevin Koncilja

Bib: 27139•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:07/mi
31:26
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
59:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:26:55
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:54:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:59:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:19:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:44:39
↑ 181↓ 1480.2%
20M
8:07/mi
2:55:41
↑ 64↓ 500.2%
21M
8:54/mi
3:04:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
3:10:36
↑ 17↓ 861.7%
23M
8:44/mi
3:21:32
↑ 23↓ 630.6%
24M
8:26/mi
3:29:58
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:37:01
↓ 200.3%
25.2M
8:51/mi
3:40:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:48:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:59:38
Pace9:08 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:36
Pace8:17 /mi
📊Negative Split: 9.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4831:2610:0731:26
10:07
-
10K
6.21 mi12:16:5759:359:3528:09
9:04
-1:03
15K
9.32 mi12:44:171:26:559:2027:20
8:48
-0:16
20K
12.43 mi13:11:221:54:009:1027:05
8:43
-0:05
Half
13.11 mi13:17:001:59:389:085:38
8:15
-0:28
25K
15.53 mi13:36:382:19:168:5819:38
8:06
-0:09
30K
18.64 mi14:02:012:44:398:5025:23
8:10
+0:04
20M
20.00 mi14:13:032:55:418:4711:02
8:07
-0:03
21M
21.00 mi14:21:573:04:358:478:54
8:54
+0:47
35K
21.75 mi14:27:583:10:368:466:01
8:03
-0:51
23M
23.00 mi14:38:543:21:328:4610:56
8:44
+0:41
24M
24.00 mi14:47:203:29:588:458:26
8:26
-0:18
40K
24.85 mi14:54:233:37:018:447:03
8:15
-0:11
25.2M
25.20 mi14:57:263:40:048:443:03
8:51
+0:36
Finish
26.22 mi15:05:363:48:148:438:10
8:01
-0:50

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

8:01 /mi

Average Pace

8:43 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:51

20% of race

Time at Steady Pace

46:30

20% of race

Time at Slower Pace

2:16:53

60% of race

Average Pace: 8:42 /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 mi11:48:4831:2610:0731:26
10:07
#23722
10K
6.21 mi12:16:5759:359:3528:09
9:04
#22571
15K
9.32 mi12:44:171:26:559:2027:20
8:48
#21752
20K
12.43 mi13:11:221:54:009:1027:05
8:43
#21083
Half
13.11 mi13:17:001:59:389:085:38
8:15
#20882
25K
15.53 mi13:36:382:19:168:5819:38
8:06
#19961
30K
18.64 mi14:02:012:44:398:5025:23
8:10
#18749
20M
20.00 mi14:13:032:55:418:4711:02
8:07
#18234
21M
21.00 mi14:21:573:04:358:478:54
8:54
#17920
35K
21.75 mi14:27:583:10:368:466:01
8:03
#17708
23M
23.00 mi14:38:543:21:328:4610:56
8:44
#17524
24M
24.00 mi14:47:203:29:588:458:26
8:26
#17387
40K
24.85 mi14:54:233:37:018:447:03
8:15
#17178
25.2M
25.20 mi14:57:263:40:048:443:03
8:51
#17100
Finish
26.22 mi15:05:363:48:148:438:10
8:01
#16915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23722139391393919484(Top 73%)12075(Top 80%)12075(Top 228%)
10K6.21 mi3.10 mi22571+115113417+52213417+52221108(Top 79%)12754(Top 84%)12754(Top 241%)
15K9.32 mi3.11 mi21752+81913032+38513032+38519484(Top 73%)12075(Top 80%)12075(Top 228%)
20K12.43 mi3.11 mi21083+66912743+28912743+28918210(Top 68%)11564(Top 76%)11564(Top 219%)
Half13.11 mi0.68 mi20882+20112659+8412659+8416171(Top 61%)10756(Top 71%)10756(Top 204%)
25K15.53 mi2.42 mi19961+92112250+40912250+40913493(Top 51%)9562(Top 63%)9562(Top 181%)
30K18.64 mi3.11 mi18749+121211727+52311727+52312131(Top 46%)8859(Top 58%)8859(Top 168%)
20M20.00 mi1.36 mi18234+51511491+23611491+23611159(Top 42%)8343(Top 55%)8343(Top 158%)
21M21.00 mi1.00 mi17920+31411355+13611355+13612843(Top 48%)8971(Top 59%)8971(Top 170%)
35K21.75 mi0.75 mi17708+21211256+9911256+9912429(Top 47%)8763(Top 58%)8763(Top 166%)
23M23.00 mi1.25 mi17524+18411169+8711169+8714585(Top 55%)9626(Top 63%)9626(Top 182%)
24M24.00 mi1.00 mi17387+13711105+6411105+6414071(Top 53%)9352(Top 62%)9352(Top 177%)
40K24.85 mi0.85 mi17178+20910998+10710998+10711672(Top 44%)8174(Top 54%)8174(Top 155%)
25.2M25.20 mi0.35 mi17100+7810958+4010958+4011574(Top 43%)8088(Top 53%)8088(Top 153%)
Finish26.22 mi1.02 mi16915+18510864+9410864+9412223(Top 46%)8398(Top 55%)8398(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19484

Males

12075

M18-39

12075

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21108

Males

12754

M18-39

12754

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19484

Males

12075

M18-39

12075

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18210

Males

11564

M18-39

11564

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16171

Males

10756

M18-39

10756

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13493

Males

9562

M18-39

9562

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12131

Males

8859

M18-39

8859

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11159

Males

8343

M18-39

8343

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12843

Males

8971

M18-39

8971

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12429

Males

8763

M18-39

8763

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14585

Males

9626

M18-39

9626

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14071

Males

9352

M18-39

9352

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11672

Males

8174

M18-39

8174

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11574

Males

8088

M18-39

8088

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12223

Males

8398

M18-39

8398

Passing Analysis

Category:
Athletes Passed
6849
Passed By
42
Net Change
+6807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23722
5K → 10K11565+1151#23722#22571
10K → 15K8212+819#22571#21752
15K → 20K6723+669#21752#21083
20K → Half2021+201#21083#20882
Half → 25K9210+921#20882#19961
25K → 30K12120+1212#19961#18749
30K → 20M5150+515#18749#18234
20M → 21M3140+314#18234#17920
21M → 35K2131+212#17920#17708
35K → 23M19814+184#17708#17524
23M → 24M1403+137#17524#17387
24M → 40K2156+209#17387#17178
40K → 25.2M791+78#17178#17100
25.2M → Finish1916+185#17100#16915
TOTALS684942+6807
📊

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