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BOSTON MARATHON 2025

Jason Mehalic

Bib: 769•M

OH

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0:00
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:44
Rank: #445
Start → 5K
17:44 | 5:42/mi
10K· 6.21 mi
35:14
Rank: #382 (+63)
5K → 10K
17:30 | 5:38/mi
15K· 9.32 mi
52:40
Rank: #338 (+44)
10K → 15K
17:26 | 5:37/mi
20K· 12.43 mi
1:10:15
Rank: #317 (+21)
15K → 20K
17:35 | 5:40/mi
Half· 13.11 mi
1:14:08
Rank: #320 (-3)
20K → Half
3:53 | 5:42/mi
25K· 15.53 mi
1:29:07
Rank: #411 (-91)
Half → 25K
14:59 | 6:11/mi
30K· 18.64 mi
1:50:45
Rank: #693 (-282)
25K → 30K
21:38 | 6:58/mi
20M
2:00:44
Rank: #853 (-160)
30K → 20M
9:59 | 7:21/mi
21M
2:08:05
Rank: #942 (-89)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:13:24
Rank: #1023 (-81)
21M → 35K
5:19 | 7:06/mi
23M
2:22:13
Rank: #1120 (-97)
35K → 23M
8:49 | 7:03/mi
24M
2:29:21
Rank: #1225 (-105)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:35:26
Rank: #1300 (-75)
24M → 40K
6:05 | 7:07/mi
25.2M
2:38:04
Rank: #1322 (-22)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:44:22
Rank: #1302 (+20)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:08
Pace5:39 /mi
2nd Half
Distance13.11 mi
Time1:30:14
Pace6:53 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5717:445:4217:44
5:42
-
10K
6.21 mi10:35:2735:145:4017:30
5:38
-0:04
15K
9.32 mi10:52:5352:405:3917:26
5:37
-0:01
20K
12.43 mi11:10:281:10:155:3917:35
5:40
+0:03
Half
13.11 mi11:14:211:14:085:393:53
5:42
+0:02
25K
15.53 mi11:29:201:29:075:4414:59
6:11
+0:29
30K
18.64 mi11:50:581:50:455:5621:38
6:58
+0:47
20M
20.00 mi12:00:572:00:446:029:59
7:21
+0:23
21M
21.00 mi12:08:182:08:056:067:21
7:21
0:00
35K
21.75 mi12:13:372:13:246:085:19
7:06
-0:15
23M
23.00 mi12:22:262:22:136:118:49
7:03
-0:03
24M
24.00 mi12:29:342:29:216:137:08
7:08
+0:05
40K
24.85 mi12:35:392:35:266:156:05
7:07
-0:01
25.2M
25.20 mi12:38:172:38:046:162:38
7:38
+0:31
Finish
26.22 mi12:44:352:44:226:166:18
6:11
-1:27

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

5:37 /mi

Average Pace

6:16 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

58% of race

Time at Steady Pace

48:59

30% of race

Time at Slower Pace

19:58

12% of race

Average Pace: 6:16 /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 mi10:17:5717:445:4217:44
5:42
#445
10K
6.21 mi10:35:2735:145:4017:30
5:38
#382
15K
9.32 mi10:52:5352:405:3917:26
5:37
#338
20K
12.43 mi11:10:281:10:155:3917:35
5:40
#317
Half
13.11 mi11:14:211:14:085:393:53
5:42
#320
25K
15.53 mi11:29:201:29:075:4414:59
6:11
#411
30K
18.64 mi11:50:581:50:455:5621:38
6:58
#693
20M
20.00 mi12:00:572:00:446:029:59
7:21
#853
21M
21.00 mi12:08:182:08:056:067:21
7:21
#942
35K
21.75 mi12:13:372:13:246:085:19
7:06
#1023
23M
23.00 mi12:22:262:22:136:118:49
7:03
#1120
24M
24.00 mi12:29:342:29:216:137:08
7:08
#1225
40K
24.85 mi12:35:392:35:266:156:05
7:07
#1300
25.2M
25.20 mi12:38:172:38:046:162:38
7:38
#1322
Finish
26.22 mi12:44:352:44:226:166:18
6:11
#1302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi445407407263(Top 0.9%)235(Top 1%)235(Top 4%)
10K6.21 mi3.10 mi382+63351+56351+56335(Top 1%)306(Top 2%)306(Top 5%)
15K9.32 mi3.11 mi338+44309+42309+42263(Top 0.9%)235(Top 1%)235(Top 4%)
20K12.43 mi3.11 mi317+21288+21288+21271(Top 1.0%)245(Top 2%)245(Top 4%)
Half13.11 mi0.68 mi320-3291-3291-3423(Top 1%)396(Top 2%)396(Top 7%)
25K15.53 mi2.42 mi411-91379-88379-881366(Top 5%)1295(Top 8%)1295(Top 23%)
30K18.64 mi3.11 mi693-282646-267646-2674451(Top 16%)4069(Top 25%)4069(Top 72%)
20M20.00 mi1.36 mi853-160802-156802-1566032(Top 21%)5213(Top 32%)5213(Top 92%)
21M21.00 mi1.00 mi942-89887-85887-853822(Top 13%)3472(Top 22%)3472(Top 62%)
35K21.75 mi0.75 mi1023-81964-77964-775965(Top 21%)5022(Top 31%)5022(Top 89%)
23M23.00 mi1.25 mi1120-971055-911055-913972(Top 14%)3542(Top 22%)3542(Top 63%)
24M24.00 mi1.00 mi1225-1051152-971152-975354(Top 19%)4488(Top 28%)4488(Top 80%)
40K24.85 mi0.85 mi1300-751224-721224-724511(Top 16%)3843(Top 24%)3843(Top 68%)
25.2M25.20 mi0.35 mi1322-221245-211245-213949(Top 14%)3365(Top 21%)3365(Top 60%)
Finish26.22 mi1.02 mi1302+201224+211224+211459(Top 5%)1357(Top 8%)1357(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.9%
×21stories
+97ft-345ft

Overall

263

Males

235

M18-39

235

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

335

Males

306

M18-39

306

10K→15K

6.2 - 9.3 mi

Top 0.9%
×3stories
+67ft-78ft

Overall

263

Males

235

M18-39

235

15K→20K

9.3 - 12.4 mi

Top 1.0%
×5stories
+106ft-86ft

Overall

271

Males

245

M18-39

245

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

423

Males

396

M18-39

396

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1366

Males

1295

M18-39

1295

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4451

Males

4069

M18-39

4069

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6032

Males

5213

M18-39

5213

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3822

Males

3472

M18-39

3472

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5965

Males

5022

M18-39

5022

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3972

Males

3542

M18-39

3542

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5354

Males

4488

M18-39

4488

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4511

Males

3843

M18-39

3843

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3949

Males

3365

M18-39

3365

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1459

Males

1357

M18-39

1357

Passing Analysis

Category:
Athletes Passed
213
Passed By
1070
Net Change
-857
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#445
5K → 10K674+63#445#382
10K → 15K440+44#382#338
15K → 20K287+21#338#317
20K → Half25-3#317#320
Half → 25K293-91#320#411
25K → 30K2284-282#411#693
30K → 20M2162-160#693#853
20M → 21M493-89#853#942
21M → 35K586-81#942#1023
35K → 23M17114-97#1023#1120
23M → 24M2107-105#1120#1225
24M → 40K479-75#1225#1300
40K → 25.2M224-22#1300#1322
25.2M → Finish3212+20#1322#1302
TOTALS2131070-857
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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