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BOSTON MARATHON 2024

Jack Prazich

Bib: 3579•M

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 30%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:31
Rank: #824
Start → 5K
18:31 | 5:58/mi
10K· 6.21 mi
36:41
Rank: #664 (+160)
5K → 10K
18:10 | 5:51/mi
15K· 9.32 mi
54:57
Rank: #610 (+54)
10K → 15K
18:16 | 5:53/mi
20K· 12.43 mi
1:13:37
Rank: #594 (+16)
15K → 20K
18:40 | 6:00/mi
Half· 13.11 mi
1:17:41
Rank: #594
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:32:52
Rank: #637 (-43)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:53:09
Rank: #692 (-55)
25K → 30K
20:17 | 6:32/mi
20M
2:02:15
Rank: #710 (-18)
30K → 20M
9:06 | 6:42/mi
21M
2:09:41
Rank: #756 (-46)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:15:00
Rank: #803 (-47)
21M → 35K
5:19 | 7:06/mi
23M
2:23:42
Rank: #818 (-15)
35K → 23M
8:42 | 6:57/mi
24M
2:30:26
Rank: #826 (-8)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:36:06
Rank: #806 (+20)
24M → 40K
5:40 | 6:38/mi
25.2M
2:38:40
Rank: #811 (-5)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:55:51
Rank: #2027 (-1216)
25.2M → Finish
17:11 | 16:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:41
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1618:315:5818:31
5:58
-
10K
6.21 mi10:38:2636:415:5418:10
5:51
-0:07
15K
9.32 mi10:56:4254:575:5418:16
5:53
+0:02
20K
12.43 mi11:15:221:13:375:5518:40
6:00
+0:07
Half
13.11 mi11:19:261:17:415:564:04
5:58
-0:02
25K
15.53 mi11:34:371:32:525:5915:11
6:16
+0:18
30K
18.64 mi11:54:541:53:096:0420:17
6:32
+0:16
20M
20.00 mi12:04:002:02:156:079:06
6:42
+0:10
21M
21.00 mi12:11:262:09:416:117:26
7:26
+0:44
35K
21.75 mi12:16:452:15:006:125:19
7:06
-0:20
23M
23.00 mi12:25:272:23:426:158:42
6:57
-0:09
24M
24.00 mi12:32:112:30:266:166:44
6:44
-0:13
40K
24.85 mi12:37:512:36:066:175:40
6:38
-0:06
25.2M
25.20 mi12:40:252:38:406:182:34
7:27
+0:49
Finish
26.22 mi12:57:362:55:516:4317:11
16:52
+9:25

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

5:51 /mi

Average Pace

6:43 /mi

Slowest Pace

16:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:38:40

90% of race

Time at Slower Pace

17:11

10% of race

Average Pace: 6:42 /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 mi10:20:1618:315:5818:31
5:58
#824
10K
6.21 mi10:38:2636:415:5418:10
5:51
#664
15K
9.32 mi10:56:4254:575:5418:16
5:53
#610
20K
12.43 mi11:15:221:13:375:5518:40
6:00
#594
Half
13.11 mi11:19:261:17:415:564:04
5:58
#594
25K
15.53 mi11:34:371:32:525:5915:11
6:16
#637
30K
18.64 mi11:54:541:53:096:0420:17
6:32
#692
20M
20.00 mi12:04:002:02:156:079:06
6:42
#710
21M
21.00 mi12:11:262:09:416:117:26
7:26
#756
35K
21.75 mi12:16:452:15:006:125:19
7:06
#803
23M
23.00 mi12:25:272:23:426:158:42
6:57
#818
24M
24.00 mi12:32:112:30:266:166:44
6:44
#826
40K
24.85 mi12:37:512:36:066:175:40
6:38
#806
25.2M
25.20 mi12:40:252:38:406:182:34
7:27
#811
Finish
26.22 mi12:57:362:55:516:4317:11
16:52
#2027
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi824794794508(Top 2%)486(Top 3%)486(Top 10%)
10K6.21 mi3.10 mi664+160637+157637+157547(Top 2%)524(Top 4%)524(Top 11%)
15K9.32 mi3.11 mi610+54587+50587+50508(Top 2%)486(Top 3%)486(Top 10%)
20K12.43 mi3.11 mi594+16571+16571+16619(Top 2%)594(Top 4%)594(Top 12%)
Half13.11 mi0.68 mi594571571706(Top 3%)681(Top 5%)681(Top 14%)
25K15.53 mi2.42 mi637-43613-42613-421024(Top 4%)986(Top 7%)986(Top 20%)
30K18.64 mi3.11 mi692-55662-49662-491138(Top 4%)1086(Top 7%)1086(Top 22%)
20M20.00 mi1.36 mi710-18680-18680-181325(Top 5%)1258(Top 9%)1258(Top 26%)
21M21.00 mi1.00 mi756-46724-44724-442282(Top 9%)2101(Top 14%)2101(Top 43%)
35K21.75 mi0.75 mi803-47770-46770-463411(Top 13%)3018(Top 21%)3018(Top 62%)
23M23.00 mi1.25 mi818-15785-15785-151761(Top 7%)1623(Top 11%)1623(Top 33%)
24M24.00 mi1.00 mi826-8793-8793-81473(Top 6%)1366(Top 9%)1366(Top 28%)
40K24.85 mi0.85 mi806+20772+21772+21956(Top 4%)888(Top 6%)888(Top 18%)
25.2M25.20 mi0.35 mi811-5775-3775-31295(Top 5%)1181(Top 8%)1181(Top 24%)
Finish26.22 mi1.02 mi2027-12161928-11531928-115325404(Top 99%)14462(Top 99%)14462(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

508

Males

486

M18-39

486

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

547

Males

524

M18-39

524

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

508

Males

486

M18-39

486

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

619

Males

594

M18-39

594

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

706

Males

681

M18-39

681

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1024

Males

986

M18-39

986

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1138

Males

1086

M18-39

1086

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1325

Males

1258

M18-39

1258

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2282

Males

2101

M18-39

2101

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3411

Males

3018

M18-39

3018

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1761

Males

1623

M18-39

1623

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1473

Males

1366

M18-39

1366

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

956

Males

888

M18-39

888

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1295

Males

1181

M18-39

1181

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

25404

Males

14462

M18-39

14462

Passing Analysis

Category:
Athletes Passed
404
Passed By
1607
Net Change
-1203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#824
5K → 10K1644+160#824#664
10K → 15K584+54#664#610
15K → 20K3519+16#610#594
20K → Half660#594#594
Half → 25K2366-43#594#637
25K → 30K2883-55#637#692
30K → 20M1735-18#692#710
20M → 21M854-46#710#756
21M → 35K552-47#756#803
35K → 23M1429-15#803#818
23M → 24M1321-8#818#826
24M → 40K3010+20#826#806
40K → 25.2M38-5#806#811
25.2M → Finish01216-1216#811#2027
TOTALS4041607-1203
📊

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