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BOSTON MARATHON 2025

Jeremy Bartak

Bib: 8624•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M40-44)
#0 / 2247
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #6197
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
43:11
Rank: #7506 (-1309)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:04:44
Rank: #7406 (+100)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:26:02
Rank: #7008 (+398)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:30:41
Rank: #6958 (+50)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:48:17
Rank: #7067 (-109)
Half → 25K
17:36 | 7:16/mi
30K· 18.64 mi
2:10:47
Rank: #6774 (+293)
25K → 30K
22:30 | 7:15/mi
20M
2:20:38
Rank: #6579 (+195)
30K → 20M
9:51 | 7:15/mi
21M
2:28:20
Rank: #6462 (+117)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:33:37
Rank: #6392 (+70)
21M → 35K
5:17 | 7:04/mi
23M
2:43:01
Rank: #6335 (+57)
35K → 23M
9:24 | 7:30/mi
24M
2:50:31
Rank: #6337 (-2)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
2:57:14
Rank: #6385 (-48)
24M → 40K
6:43 | 7:51/mi
25.2M
3:00:06
Rank: #6378 (+7)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:06:59
Rank: #6229 (+149)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:36:18
Pace7:21 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1721:056:4721:05
6:47
-
10K
6.21 mi11:08:2343:116:5722:06
7:07
+0:20
15K
9.32 mi11:29:561:04:446:5721:33
6:56
-0:11
20K
12.43 mi11:51:141:26:026:5521:18
6:51
-0:05
Half
13.11 mi11:55:531:30:416:554:39
6:49
-0:02
25K
15.53 mi12:13:291:48:176:5817:36
7:16
+0:27
30K
18.64 mi12:35:592:10:477:0122:30
7:15
-0:01
20M
20.00 mi12:45:502:20:387:029:51
7:15
0:00
21M
21.00 mi12:53:322:28:207:047:42
7:42
+0:27
35K
21.75 mi12:58:492:33:377:045:17
7:04
-0:38
23M
23.00 mi13:08:132:43:017:059:24
7:30
+0:26
24M
24.00 mi13:15:432:50:317:067:30
7:30
0:00
40K
24.85 mi13:22:262:57:147:086:43
7:51
+0:21
25.2M
25.20 mi13:25:183:00:067:092:52
8:19
+0:28
Finish
26.22 mi13:32:113:06:597:086:53
6:45
-1:34

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

6:45 /mi

Average Pace

7:08 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:28

40% of race

Time at Steady Pace

1:17:20

41% of race

Time at Slower Pace

34:11

18% of race

Average Pace: 7:08 /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 mi10:46:1721:056:4721:05
6:47
#6197
10K
6.21 mi11:08:2343:116:5722:06
7:07
#7506
15K
9.32 mi11:29:561:04:446:5721:33
6:56
#7406
20K
12.43 mi11:51:141:26:026:5521:18
6:51
#7008
Half
13.11 mi11:55:531:30:416:554:39
6:49
#6958
25K
15.53 mi12:13:291:48:176:5817:36
7:16
#7067
30K
18.64 mi12:35:592:10:477:0122:30
7:15
#6774
20M
20.00 mi12:45:502:20:387:029:51
7:15
#6579
21M
21.00 mi12:53:322:28:207:047:42
7:42
#6462
35K
21.75 mi12:58:492:33:377:045:17
7:04
#6392
23M
23.00 mi13:08:132:43:017:059:24
7:30
#6335
24M
24.00 mi13:15:432:50:317:067:30
7:30
#6337
40K
24.85 mi13:22:262:57:147:086:43
7:51
#6385
25.2M
25.20 mi13:25:183:00:067:092:52
8:19
#6378
Finish
26.22 mi13:32:113:06:597:086:53
6:45
#6229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6197567756777191(Top 25%)6390(Top 40%)6390(Top 284%)
10K6.21 mi3.10 mi7506-13096659-9826659-9828766(Top 31%)7451(Top 46%)7451(Top 332%)
15K9.32 mi3.11 mi7406+1006579+806579+807191(Top 25%)6390(Top 40%)6390(Top 284%)
20K12.43 mi3.11 mi7008+3986279+3006279+3005821(Top 20%)5291(Top 33%)5291(Top 235%)
Half13.11 mi0.68 mi6958+506242+376242+376240(Top 22%)5625(Top 35%)5625(Top 250%)
25K15.53 mi2.42 mi7067-1096307-656307-658031(Top 28%)6774(Top 42%)6774(Top 301%)
30K18.64 mi3.11 mi6774+2936036+2716036+2716126(Top 22%)5402(Top 34%)5402(Top 240%)
20M20.00 mi1.36 mi6579+1955866+1705866+1705481(Top 19%)4831(Top 30%)4831(Top 215%)
21M21.00 mi1.00 mi6462+1175764+1025764+1025617(Top 20%)4810(Top 30%)4810(Top 214%)
35K21.75 mi0.75 mi6392+705695+695695+695739(Top 20%)4875(Top 30%)4875(Top 217%)
23M23.00 mi1.25 mi6335+575631+645631+646637(Top 23%)5378(Top 33%)5378(Top 239%)
24M24.00 mi1.00 mi6337-25610+215610+217644(Top 27%)5892(Top 37%)5892(Top 262%)
40K24.85 mi0.85 mi6385-485618-85618-89123(Top 32%)6570(Top 41%)6570(Top 292%)
25.2M25.20 mi0.35 mi6378+75605+135605+137625(Top 27%)5684(Top 35%)5684(Top 253%)
Finish26.22 mi1.02 mi6229+1495478+1275478+1274216(Top 15%)3593(Top 22%)3593(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7191

Males

6390

M40-44

6390

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8766

Males

7451

M40-44

7451

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7191

Males

6390

M40-44

6390

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5821

Males

5291

M40-44

5291

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6240

Males

5625

M40-44

5625

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8031

Males

6774

M40-44

6774

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6126

Males

5402

M40-44

5402

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5481

Males

4831

M40-44

4831

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5617

Males

4810

M40-44

4810

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5739

Males

4875

M40-44

4875

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6637

Males

5378

M40-44

5378

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7644

Males

5892

M40-44

5892

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9123

Males

6570

M40-44

6570

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7625

Males

5684

M40-44

5684

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4216

Males

3593

M40-44

3593

Passing Analysis

Category:
Athletes Passed
1908
Passed By
1940
Net Change
-32
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6197
5K → 10K121321-1309#6197#7506
10K → 15K18989+100#7506#7406
15K → 20K4046+398#7406#7008
20K → Half599+50#7008#6958
Half → 25K89198-109#6958#7067
25K → 30K33744+293#7067#6774
30K → 20M20914+195#6774#6579
20M → 21M13720+117#6579#6462
21M → 35K8111+70#6462#6392
35K → 23M10548+57#6392#6335
23M → 24M6466-2#6335#6337
24M → 40K3987-48#6337#6385
40K → 25.2M3023+7#6385#6378
25.2M → Finish1534+149#6378#6229
TOTALS19081940-32
📊

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