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BOSTON MARATHON 2025

Jonathon Piesik

Bib: 2340•M

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2931
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:45
Rank: #3053 (-122)
5K → 10K
19:57 | 6:25/mi
15K· 9.32 mi
59:44
Rank: #3067 (-14)
10K → 15K
19:59 | 6:26/mi
20K· 12.43 mi
1:19:51
Rank: #3017 (+50)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:12
Rank: #3015 (+2)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:00
Rank: #2974 (+41)
Half → 25K
15:48 | 6:31/mi
30K· 18.64 mi
2:02:35
Rank: #3502 (-528)
25K → 30K
22:35 | 7:16/mi
20M
2:13:44
Rank: #4027 (-525)
30K → 20M
11:09 | 8:12/mi
21M
2:23:00
Rank: #4686 (-659)
20M → 21M
9:16 | 9:16/mi
35K· 21.75 mi
2:32:01
Rank: #5963 (-1277)
21M → 35K
9:01 | 12:03/mi
23M
2:41:45
Rank: #5996 (-33)
35K → 23M
9:44 | 7:46/mi
24M
2:48:54
Rank: #5939 (+57)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:54:59
Rank: #5822 (+117)
24M → 40K
6:05 | 7:07/mi
25.2M
2:57:36
Rank: #5741 (+81)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:04:30
Rank: #5635 (+106)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:12
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:40:18
Pace7:39 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5019:486:2219:48
6:22
-
10K
6.21 mi10:40:4739:456:2419:57
6:25
+0:03
15K
9.32 mi11:00:4659:446:2519:59
6:26
+0:01
20K
12.43 mi11:20:531:19:516:2620:07
6:28
+0:02
Half
13.11 mi11:25:141:24:126:254:21
6:23
-0:05
25K
15.53 mi11:41:021:40:006:2615:48
6:31
+0:08
30K
18.64 mi12:03:372:02:356:3522:35
7:16
+0:45
20M
20.00 mi12:14:462:13:446:4111:09
8:12
+0:56
21M
21.00 mi12:24:022:23:006:499:16
9:16
+1:04
35K
21.75 mi12:33:032:32:016:599:01
12:03
+2:47
23M
23.00 mi12:42:472:41:457:029:44
7:46
-4:17
24M
24.00 mi12:49:562:48:547:027:09
7:09
-0:37
40K
24.85 mi12:56:012:54:597:026:05
7:07
-0:02
25.2M
25.20 mi12:58:382:57:367:032:37
7:35
+0:28
Finish
26.22 mi13:05:323:04:307:036:54
6:46
-0:49

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

6:22 /mi

Average Pace

7:03 /mi

Slowest Pace

12:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:09

13% of race

Time at Steady Pace

2:10:55

71% of race

Time at Slower Pace

29:26

16% of race

Average Pace: 7:02 /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 mi10:20:5019:486:2219:48
6:22
#2931
10K
6.21 mi10:40:4739:456:2419:57
6:25
#3053
15K
9.32 mi11:00:4659:446:2519:59
6:26
#3067
20K
12.43 mi11:20:531:19:516:2620:07
6:28
#3017
Half
13.11 mi11:25:141:24:126:254:21
6:23
#3015
25K
15.53 mi11:41:021:40:006:2615:48
6:31
#2974
30K
18.64 mi12:03:372:02:356:3522:35
7:16
#3502
20M
20.00 mi12:14:462:13:446:4111:09
8:12
#4027
21M
21.00 mi12:24:022:23:006:499:16
9:16
#4686
35K
21.75 mi12:33:032:32:016:599:01
12:03
#5963
23M
23.00 mi12:42:472:41:457:029:44
7:46
#5996
24M
24.00 mi12:49:562:48:547:027:09
7:09
#5939
40K
24.85 mi12:56:012:54:597:026:05
7:07
#5822
25.2M
25.20 mi12:58:382:57:367:032:37
7:35
#5741
Finish
26.22 mi13:05:323:04:307:036:54
6:46
#5635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2931279027903146(Top 11%)2995(Top 19%)2995(Top 53%)
10K6.21 mi3.10 mi3053-1222905-1152905-1153197(Top 11%)3042(Top 19%)3042(Top 54%)
15K9.32 mi3.11 mi3067-142920-152920-153146(Top 11%)2995(Top 19%)2995(Top 53%)
20K12.43 mi3.11 mi3017+502876+442876+442985(Top 11%)2842(Top 18%)2842(Top 50%)
Half13.11 mi0.68 mi3015+22874+22874+22989(Top 11%)2856(Top 18%)2856(Top 51%)
25K15.53 mi2.42 mi2974+412834+402834+402991(Top 11%)2845(Top 18%)2845(Top 50%)
30K18.64 mi3.11 mi3502-5283313-4793313-4796277(Top 22%)5506(Top 34%)5506(Top 98%)
20M20.00 mi1.36 mi4027-5253771-4583771-45811793(Top 42%)8407(Top 52%)8407(Top 149%)
21M21.00 mi1.00 mi4686-6594342-5714342-57114934(Top 53%)9746(Top 61%)9746(Top 173%)
35K21.75 mi0.75 mi5963-12775369-10275369-102725940(Top 91%)14796(Top 92%)14796(Top 262%)
23M23.00 mi1.25 mi5996-335379-105379-108377(Top 29%)6373(Top 40%)6373(Top 113%)
24M24.00 mi1.00 mi5939+575317+625317+625517(Top 19%)4614(Top 29%)4614(Top 82%)
40K24.85 mi0.85 mi5822+1175210+1075210+1074583(Top 16%)3915(Top 24%)3915(Top 69%)
25.2M25.20 mi0.35 mi5741+815140+705140+703861(Top 14%)3343(Top 21%)3343(Top 59%)
Finish26.22 mi1.02 mi5635+1065048+925048+924338(Top 15%)3682(Top 23%)3682(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3146

Males

2995

M18-39

2995

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3197

Males

3042

M18-39

3042

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3146

Males

2995

M18-39

2995

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2985

Males

2842

M18-39

2842

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2989

Males

2856

M18-39

2856

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2991

Males

2845

M18-39

2845

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6277

Males

5506

M18-39

5506

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11793

Males

8407

M18-39

8407

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14934

Males

9746

M18-39

9746

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25940

Males

14796

M18-39

14796

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8377

Males

6373

M18-39

6373

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5517

Males

4614

M18-39

4614

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4583

Males

3915

M18-39

3915

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3861

Males

3343

M18-39

3343

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4338

Males

3682

M18-39

3682

Passing Analysis

Category:
Athletes Passed
898
Passed By
3602
Net Change
-2704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2931
5K → 10K88210-122#2931#3053
10K → 15K7993-14#3053#3067
15K → 20K10959+50#3067#3017
20K → Half1513+2#3017#3015
Half → 25K8847+41#3015#2974
25K → 30K26554-528#2974#3502
30K → 20M7532-525#3502#4027
20M → 21M5664-659#4027#4686
21M → 35K21279-1277#4686#5963
35K → 23M70103-33#5963#5996
23M → 24M8427+57#5996#5939
24M → 40K1258+117#5939#5822
40K → 25.2M821+81#5822#5741
25.2M → Finish11812+106#5741#5635
TOTALS8983602-2704
📊

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