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BOSTON MARATHON 2025

Zakary Prielipp

Bib: 6272•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:55
Rank: #3208
Start → 5K
19:55 | 6:25/mi
10K· 6.21 mi
40:05
Rank: #3420 (-212)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:21
Rank: #3512 (-92)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:20:50
Rank: #3545 (-33)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:25:17
Rank: #3554 (-9)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:41:24
Rank: #3563 (-9)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:02:44
Rank: #3569 (-6)
25K → 30K
21:20 | 6:52/mi
20M
2:12:03
Rank: #3496 (+73)
30K → 20M
9:19 | 6:51/mi
21M
2:19:19
Rank: #3462 (+34)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:24:23
Rank: #3446 (+16)
21M → 35K
5:04 | 6:46/mi
23M
2:33:06
Rank: #3387 (+59)
35K → 23M
8:43 | 6:58/mi
24M
2:39:57
Rank: #3377 (+10)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:46:01
Rank: #3385 (-8)
24M → 40K
6:04 | 7:06/mi
25.2M
2:48:42
Rank: #3393 (-8)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:55:45
Rank: #3423 (-30)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:17
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:30:28
Pace6:54 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5719:556:2519:55
6:25
-
10K
6.21 mi10:43:0740:056:2720:10
6:29
+0:04
15K
9.32 mi11:03:231:00:216:2820:16
6:31
+0:02
20K
12.43 mi11:23:521:20:506:3020:29
6:36
+0:05
Half
13.11 mi11:28:191:25:176:304:27
6:31
-0:05
25K
15.53 mi11:44:261:41:246:3216:07
6:39
+0:08
30K
18.64 mi12:05:462:02:446:3521:20
6:52
+0:13
20M
20.00 mi12:15:052:12:036:369:19
6:51
-0:01
21M
21.00 mi12:22:212:19:196:387:16
7:16
+0:25
35K
21.75 mi12:27:252:24:236:385:04
6:46
-0:30
23M
23.00 mi12:36:082:33:066:398:43
6:58
+0:12
24M
24.00 mi12:42:592:39:576:406:51
6:51
-0:07
40K
24.85 mi12:49:032:46:016:416:04
7:06
+0:15
25.2M
25.20 mi12:51:442:48:426:422:41
7:47
+0:41
Finish
26.22 mi12:58:472:55:456:427:03
6:55
-0:52

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:24

58% of race

Time at Steady Pace

58:20

33% of race

Time at Slower Pace

16:01

9% 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 mi10:22:5719:556:2519:55
6:25
#3208
10K
6.21 mi10:43:0740:056:2720:10
6:29
#3420
15K
9.32 mi11:03:231:00:216:2820:16
6:31
#3512
20K
12.43 mi11:23:521:20:506:3020:29
6:36
#3545
Half
13.11 mi11:28:191:25:176:304:27
6:31
#3554
25K
15.53 mi11:44:261:41:246:3216:07
6:39
#3563
30K
18.64 mi12:05:462:02:446:3521:20
6:52
#3569
20M
20.00 mi12:15:052:12:036:369:19
6:51
#3496
21M
21.00 mi12:22:212:19:196:387:16
7:16
#3462
35K
21.75 mi12:27:252:24:236:385:04
6:46
#3446
23M
23.00 mi12:36:082:33:066:398:43
6:58
#3387
24M
24.00 mi12:42:592:39:576:406:51
6:51
#3377
40K
24.85 mi12:49:032:46:016:416:04
7:06
#3385
25.2M
25.20 mi12:51:442:48:426:422:41
7:47
#3393
Finish
26.22 mi12:58:472:55:456:427:03
6:55
#3423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3208304830483713(Top 13%)3506(Top 22%)3506(Top 62%)
10K6.21 mi3.10 mi3420-2123247-1993247-1993663(Top 13%)3462(Top 21%)3462(Top 61%)
15K9.32 mi3.11 mi3512-923330-833330-833713(Top 13%)3506(Top 22%)3506(Top 62%)
20K12.43 mi3.11 mi3545-333358-283358-283654(Top 13%)3451(Top 21%)3451(Top 61%)
Half13.11 mi0.68 mi3554-93367-93367-93862(Top 14%)3642(Top 23%)3642(Top 65%)
25K15.53 mi2.42 mi3563-93372-53372-53776(Top 13%)3541(Top 22%)3541(Top 63%)
30K18.64 mi3.11 mi3569-63373-13373-13863(Top 14%)3567(Top 22%)3567(Top 63%)
20M20.00 mi1.36 mi3496+733303+703303+703255(Top 11%)3011(Top 19%)3011(Top 53%)
21M21.00 mi1.00 mi3462+343270+333270+333476(Top 12%)3188(Top 20%)3188(Top 57%)
35K21.75 mi0.75 mi3446+163255+153255+153954(Top 14%)3554(Top 22%)3554(Top 63%)
23M23.00 mi1.25 mi3387+593191+643191+643539(Top 12%)3209(Top 20%)3209(Top 57%)
24M24.00 mi1.00 mi3377+103178+133178+133819(Top 13%)3393(Top 21%)3393(Top 60%)
40K24.85 mi0.85 mi3385-83180-23180-24444(Top 16%)3812(Top 24%)3812(Top 68%)
25.2M25.20 mi0.35 mi3393-83184-43184-44767(Top 17%)3965(Top 25%)3965(Top 70%)
Finish26.22 mi1.02 mi3423-303202-183202-185202(Top 18%)4250(Top 26%)4250(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3713

Males

3506

M18-39

3506

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3663

Males

3462

M18-39

3462

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3713

Males

3506

M18-39

3506

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3654

Males

3451

M18-39

3451

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3862

Males

3642

M18-39

3642

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3776

Males

3541

M18-39

3541

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3863

Males

3567

M18-39

3567

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3255

Males

3011

M18-39

3011

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3476

Males

3188

M18-39

3188

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3954

Males

3554

M18-39

3554

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3539

Males

3209

M18-39

3209

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3819

Males

3393

M18-39

3393

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4444

Males

3812

M18-39

3812

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4767

Males

3965

M18-39

3965

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5202

Males

4250

M18-39

4250

Passing Analysis

Category:
Athletes Passed
847
Passed By
1062
Net Change
-215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3208
5K → 10K58270-212#3208#3420
10K → 15K68160-92#3420#3512
15K → 20K92125-33#3512#3545
20K → Half1322-9#3545#3554
Half → 25K7382-9#3554#3563
25K → 30K102108-6#3563#3569
30K → 20M9825+73#3569#3496
20M → 21M6935+34#3496#3462
21M → 35K4024+16#3462#3446
35K → 23M8930+59#3446#3387
23M → 24M5242+10#3387#3377
24M → 40K4048-8#3377#3385
40K → 25.2M1725-8#3385#3393
25.2M → Finish3666-30#3393#3423
TOTALS8471062-215
📊

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