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BOSTON MARATHON 2025

Josh Belowich

Bib: 30191•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
29:01
Rank: #23684
Start → 5K
9:20/mi
29:01 split
10K· 6.21 mi
57:29
Rank: #23385 (+299)
5K → 10K
9:10/mi
28:28 split
15K· 9.32 mi
1:25:56
Rank: #23178 (+207)
10K → 15K
9:09/mi
28:27 split
20K· 12.43 mi
1:56:23
Rank: #23337 (-159)
15K → 20K
9:48/mi
30:27 split
Half· 13.11 mi
2:03:04
Rank: #23403 (-66)
20K → Half
9:48/mi
6:41 split
25K· 15.53 mi
2:28:26
Rank: #23575 (-172)
Half → 25K
10:28/mi
25:22 split
30K· 18.64 mi
3:05:38
Rank: #24131 (-556)
25K → 30K
11:58/mi
37:12 split
20M
3:21:10
Rank: #24132 (-1)
30K → 20M
11:26/mi
15:32 split
21M
3:34:26
Rank: #24256 (-124)
20M → 21M
13:16/mi
13:16 split
35K· 21.75 mi
3:43:21
Rank: #24333 (-77)
21M → 35K
11:55/mi
8:55 split
23M
3:58:32
Rank: #24424 (-91)
35K → 23M
12:08/mi
15:11 split
24M
4:09:26
Rank: #24391 (+33)
23M → 24M
10:54/mi
10:54 split
40K· 24.85 mi
4:19:06
Rank: #24378 (+13)
24M → 40K
11:18/mi
9:40 split
25.2M
4:23:02
Rank: #24337 (+41)
40K → 25.2M
11:24/mi
3:56 split
Finish· 26.22 mi
4:33:30
Rank: #24322 (+15)
25.2M → Finish
10:16/mi
10:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:04
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:30:26
Pace11:29 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4129:019:2029:01
9:20
-
10K
6.21 mi12:24:0957:299:1528:28
9:10
-0:10
15K
9.32 mi12:52:361:25:569:1328:27
9:09
-0:01
20K
12.43 mi13:23:031:56:239:2230:27
9:48
+0:39
Half
13.11 mi13:29:442:03:049:236:41
9:48
0:00
25K
15.53 mi13:55:062:28:269:3325:22
10:28
+0:40
30K
18.64 mi14:32:183:05:389:5737:12
11:58
+1:30
20M
20.00 mi14:47:503:21:1010:0315:32
11:26
-0:32
21M
21.00 mi15:01:063:34:2610:1313:16
13:16
+1:50
35K
21.75 mi15:10:013:43:2110:168:55
11:55
-1:21
23M
23.00 mi15:25:123:58:3210:2215:11
12:08
+0:13
24M
24.00 mi15:36:064:09:2610:2410:54
10:54
-1:14
40K
24.85 mi15:45:464:19:0610:259:40
11:18
+0:24
25.2M
25.20 mi15:49:424:23:0210:263:56
11:24
+0:06
Finish
26.22 mi16:00:104:33:3010:2610:28
10:16
-1:08

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

9:09 /mi

Average Pace

10:26 /mi

Slowest Pace

13:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:32

49% of race

Time at Steady Pace

1:05:24

24% of race

Time at Slower Pace

1:14:34

27% of race

Average Pace: 10:26 /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 mi11:55:4129:019:2029:01
9:20
#23684
10K
6.21 mi12:24:0957:299:1528:28
9:10
#23385
15K
9.32 mi12:52:361:25:569:1328:27
9:09
#23178
20K
12.43 mi13:23:031:56:239:2230:27
9:48
#23337
Half
13.11 mi13:29:442:03:049:236:41
9:48
#23403
25K
15.53 mi13:55:062:28:269:3325:22
10:28
#23575
30K
18.64 mi14:32:183:05:389:5737:12
11:58
#24131
20M
20.00 mi14:47:503:21:1010:0315:32
11:26
#24132
21M
21.00 mi15:01:063:34:2610:1313:16
13:16
#24256
35K
21.75 mi15:10:013:43:2110:168:55
11:55
#24333
23M
23.00 mi15:25:123:58:3210:2215:11
12:08
#24424
24M
24.00 mi15:36:064:09:2610:2410:54
10:54
#24391
40K
24.85 mi15:45:464:19:0610:259:40
11:18
#24378
25.2M
25.20 mi15:49:424:23:0210:263:56
11:24
#24337
Finish
26.22 mi16:00:104:33:3010:2610:28
10:16
#24322
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23684140991409922694(Top 80%)13693(Top 85%)13693(Top 243%)
10K6.21 mi3.10 mi23385+29913965+13413965+13423049(Top 81%)13827(Top 86%)13827(Top 245%)
15K9.32 mi3.11 mi23178+20713885+8013885+8022694(Top 80%)13693(Top 85%)13693(Top 243%)
20K12.43 mi3.11 mi23337-15913971-8613971-8623763(Top 84%)14121(Top 88%)14121(Top 250%)
Half13.11 mi0.68 mi23403-6613999-2813999-2824354(Top 86%)14382(Top 89%)14382(Top 255%)
25K15.53 mi2.42 mi23575-17214047-4814047-4824292(Top 86%)14325(Top 89%)14325(Top 254%)
30K18.64 mi3.11 mi24131-55614271-22414271-22425559(Top 90%)14786(Top 92%)14786(Top 262%)
20M20.00 mi1.36 mi24132-114241+3014241+3024420(Top 86%)14177(Top 88%)14177(Top 251%)
21M21.00 mi1.00 mi24256-12414290-4914290-4925390(Top 89%)14565(Top 90%)14565(Top 258%)
35K21.75 mi0.75 mi24333-7714318-2814318-2825738(Top 91%)14698(Top 91%)14698(Top 261%)
23M23.00 mi1.25 mi24424-9114343-2514343-2525296(Top 89%)14475(Top 90%)14475(Top 257%)
24M24.00 mi1.00 mi24391+3314317+2614317+2623769(Top 84%)13703(Top 85%)13703(Top 243%)
40K24.85 mi0.85 mi24378+1314308+914308+923774(Top 84%)13652(Top 85%)13652(Top 242%)
25.2M25.20 mi0.35 mi24337+4114281+2714281+2721804(Top 77%)12701(Top 79%)12701(Top 225%)
Finish26.22 mi1.02 mi24322+1514256+2514256+2523724(Top 84%)13629(Top 85%)13629(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22694

Males

13693

M18-39

13693

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23049

Males

13827

M18-39

13827

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22694

Males

13693

M18-39

13693

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23763

Males

14121

M18-39

14121

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24354

Males

14382

M18-39

14382

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24292

Males

14325

M18-39

14325

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25559

Males

14786

M18-39

14786

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24420

Males

14177

M18-39

14177

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25390

Males

14565

M18-39

14565

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25738

Males

14698

M18-39

14698

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25296

Males

14475

M18-39

14475

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23769

Males

13703

M18-39

13703

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23774

Males

13652

M18-39

13652

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21804

Males

12701

M18-39

12701

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23724

Males

13629

M18-39

13629

Passing Analysis

Category:
Athletes Passed
1282
Passed By
1920
Net Change
-638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23684
5K → 10K415116+299#23684#23385
10K → 15K29689+207#23385#23178
15K → 20K110269-159#23178#23337
20K → Half1884-66#23337#23403
Half → 25K73245-172#23403#23575
25K → 30K31587-556#23575#24131
30K → 20M7879-1#24131#24132
20M → 21M26150-124#24132#24256
21M → 35K1491-77#24256#24333
35K → 23M34125-91#24333#24424
23M → 24M6128+33#24424#24391
24M → 40K3825+13#24391#24378
40K → 25.2M443+41#24378#24337
25.2M → Finish4429+15#24337#24322
TOTALS12821920-638
📊

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