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BOSTON MARATHON 2024

Jason Kolasinski

Bib: 3116•M

FL

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 5%
Division (M18-39)
#0 / 4849
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1762
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:54
Rank: #1791 (-29)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:35
Rank: #1807 (-16)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:17:50
Rank: #1565 (+242)
15K → 20K
19:15 | 6:12/mi
Half· 13.11 mi
1:21:59
Rank: #1517 (+48)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:59
Rank: #1347 (+170)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:56:52
Rank: #1198 (+149)
25K → 30K
19:53 | 6:24/mi
20M
2:05:37
Rank: #1109 (+89)
30K → 20M
8:45 | 6:26/mi
21M
2:12:21
Rank: #1039 (+70)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:16:55
Rank: #990 (+49)
21M → 35K
4:34 | 6:06/mi
23M
2:24:50
Rank: #925 (+65)
35K → 23M
7:55 | 6:19/mi
24M
2:30:55
Rank: #861 (+64)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:36:20
Rank: #827 (+34)
24M → 40K
5:25 | 6:20/mi
25.2M
2:38:40
Rank: #810 (+17)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:44:51
Rank: #782 (+28)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:59
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:22:52
Pace6:19 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3319:226:1419:22
6:14
-
10K
6.21 mi10:41:0538:546:1619:32
6:17
+0:03
15K
9.32 mi11:00:4658:356:1719:41
6:20
+0:03
20K
12.43 mi11:20:011:17:506:1619:15
6:12
-0:08
Half
13.11 mi11:24:101:21:596:154:09
6:05
-0:07
25K
15.53 mi11:39:101:36:596:1515:00
6:11
+0:06
30K
18.64 mi11:59:031:56:526:1619:53
6:24
+0:13
20M
20.00 mi12:07:482:05:376:178:45
6:26
+0:02
21M
21.00 mi12:14:322:12:216:186:44
6:44
+0:18
35K
21.75 mi12:19:062:16:556:184:34
6:06
-0:38
23M
23.00 mi12:27:012:24:506:187:55
6:19
+0:13
24M
24.00 mi12:33:062:30:556:176:05
6:05
-0:14
40K
24.85 mi12:38:312:36:206:175:25
6:20
+0:15
25.2M
25.20 mi12:40:512:38:406:182:20
6:46
+0:26
Finish
26.22 mi12:47:022:44:516:186:11
6:04
-0:42

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

6:04 /mi

Average Pace

6:18 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:47

95% of race

Time at Steady Pace

9:04

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:21:3319:226:1419:22
6:14
#1762
10K
6.21 mi10:41:0538:546:1619:32
6:17
#1791
15K
9.32 mi11:00:4658:356:1719:41
6:20
#1807
20K
12.43 mi11:20:011:17:506:1619:15
6:12
#1565
Half
13.11 mi11:24:101:21:596:154:09
6:05
#1517
25K
15.53 mi11:39:101:36:596:1515:00
6:11
#1347
30K
18.64 mi11:59:031:56:526:1619:53
6:24
#1198
20M
20.00 mi12:07:482:05:376:178:45
6:26
#1109
21M
21.00 mi12:14:322:12:216:186:44
6:44
#1039
35K
21.75 mi12:19:062:16:556:184:34
6:06
#990
23M
23.00 mi12:27:012:24:506:187:55
6:19
#925
24M
24.00 mi12:33:062:30:556:176:05
6:05
#861
40K
24.85 mi12:38:312:36:206:175:25
6:20
#827
25.2M
25.20 mi12:40:512:38:406:182:20
6:46
#810
Finish
26.22 mi12:47:022:44:516:186:11
6:04
#782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1762170217021894(Top 7%)1834(Top 13%)1834(Top 38%)
10K6.21 mi3.10 mi1791-291732-301732-301838(Top 7%)1778(Top 12%)1778(Top 37%)
15K9.32 mi3.11 mi1807-161750-181750-181894(Top 7%)1834(Top 13%)1834(Top 38%)
20K12.43 mi3.11 mi1565+2421516+2341516+2341051(Top 4%)1014(Top 7%)1014(Top 21%)
Half13.11 mi0.68 mi1517+481470+461470+46982(Top 4%)948(Top 7%)948(Top 20%)
25K15.53 mi2.42 mi1347+1701303+1671303+167822(Top 3%)790(Top 5%)790(Top 16%)
30K18.64 mi3.11 mi1198+1491158+1451158+145819(Top 3%)781(Top 5%)781(Top 16%)
20M20.00 mi1.36 mi1109+891070+881070+88726(Top 3%)684(Top 5%)684(Top 14%)
21M21.00 mi1.00 mi1039+70998+72998+72607(Top 2%)570(Top 4%)570(Top 12%)
35K21.75 mi0.75 mi990+49951+47951+47491(Top 2%)459(Top 3%)459(Top 9%)
23M23.00 mi1.25 mi925+65886+65886+65446(Top 2%)417(Top 3%)417(Top 9%)
24M24.00 mi1.00 mi861+64824+62824+62331(Top 1%)305(Top 2%)305(Top 6%)
40K24.85 mi0.85 mi827+34790+34790+34482(Top 2%)448(Top 3%)448(Top 9%)
25.2M25.20 mi0.35 mi810+17774+16774+16328(Top 1%)302(Top 2%)302(Top 6%)
Finish26.22 mi1.02 mi782+28746+28746+28515(Top 2%)480(Top 3%)480(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1894

Males

1834

M18-39

1834

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1838

Males

1778

M18-39

1778

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1894

Males

1834

M18-39

1834

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1051

Males

1014

M18-39

1014

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

982

Males

948

M18-39

948

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

822

Males

790

M18-39

790

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

819

Males

781

M18-39

781

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

726

Males

684

M18-39

684

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

607

Males

570

M18-39

570

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

491

Males

459

M18-39

459

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

446

Males

417

M18-39

417

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

331

Males

305

M18-39

305

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

482

Males

448

M18-39

448

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

328

Males

302

M18-39

302

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

515

Males

480

M18-39

480

Passing Analysis

Category:
Athletes Passed
1193
Passed By
213
Net Change
+980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1762
5K → 10K85114-29#1762#1791
10K → 15K6076-16#1791#1807
15K → 20K2420+242#1807#1565
20K → Half502+48#1565#1517
Half → 25K1711+170#1517#1347
25K → 30K1578+149#1347#1198
30K → 20M923+89#1198#1109
20M → 21M755+70#1109#1039
21M → 35K501+49#1039#990
35K → 23M650+65#990#925
23M → 24M640+64#925#861
24M → 40K351+34#861#827
40K → 25.2M170+17#827#810
25.2M → Finish302+28#810#782
TOTALS1193213+980
📊

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