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BOSTON MARATHON 2025

Mordy Osina

Bib: 3284•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:12
Rank: #1755
Start → 5K
19:12 | 6:11/mi
10K· 6.21 mi
38:35
Rank: #1931 (-176)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:04
Rank: #1994 (-63)
10K → 15K
19:29 | 6:16/mi
20K· 12.43 mi
1:18:05
Rank: #2170 (-176)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:22:33
Rank: #2258 (-88)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:43:01
Rank: #4235 (-1977)
Half → 25K
20:28 | 8:26/mi
30K· 18.64 mi
2:12:57
Rank: #7547 (-3312)
25K → 30K
29:56 | 9:38/mi
20M
2:25:33
Rank: #8357 (-810)
30K → 20M
12:36 | 9:16/mi
21M
2:35:33
Rank: #9043 (-686)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
2:40:42
Rank: #8811 (+232)
21M → 35K
5:09 | 6:53/mi
23M
2:51:22
Rank: #9078 (-267)
35K → 23M
10:40 | 8:31/mi
24M
2:57:38
Rank: #8534 (+544)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
3:05:08
Rank: #8792 (-258)
24M → 40K
7:30 | 8:46/mi
25.2M
3:08:12
Rank: #8820 (-28)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:14:47
Rank: #8479 (+341)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:52:14
Pace8:34 /mi
📊Positive Split: 36.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2919:126:1119:12
6:11
-
10K
6.21 mi10:39:5238:356:1319:23
6:14
+0:03
15K
9.32 mi10:59:2158:046:1419:29
6:16
+0:02
20K
12.43 mi11:19:221:18:056:1720:01
6:27
+0:11
Half
13.11 mi11:23:501:22:336:184:28
6:33
+0:06
25K
15.53 mi11:44:181:43:016:3820:28
8:26
+1:53
30K
18.64 mi12:14:142:12:577:0829:56
9:38
+1:12
20M
20.00 mi12:26:502:25:337:1712:36
9:16
-0:22
21M
21.00 mi12:36:502:35:337:2410:00
10:00
+0:44
35K
21.75 mi12:41:592:40:427:235:09
6:53
-3:07
23M
23.00 mi12:52:392:51:227:2710:40
8:31
+1:38
24M
24.00 mi12:58:552:57:387:246:16
6:16
-2:15
40K
24.85 mi13:06:253:05:087:277:30
8:46
+2:30
25.2M
25.20 mi13:09:293:08:127:283:04
8:54
+0:08
Finish
26.22 mi13:16:043:14:477:266:35
6:28
-2:26

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

6:11 /mi

Average Pace

7:26 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:12

10% of race

Time at Steady Pace

1:21:21

42% of race

Time at Slower Pace

1:34:14

48% of race

Average Pace: 7:26 /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 mi10:20:2919:126:1119:12
6:11
#1755
10K
6.21 mi10:39:5238:356:1319:23
6:14
#1931
15K
9.32 mi10:59:2158:046:1419:29
6:16
#1994
20K
12.43 mi11:19:221:18:056:1720:01
6:27
#2170
Half
13.11 mi11:23:501:22:336:184:28
6:33
#2258
25K
15.53 mi11:44:181:43:016:3820:28
8:26
#4235
30K
18.64 mi12:14:142:12:577:0829:56
9:38
#7547
20M
20.00 mi12:26:502:25:337:1712:36
9:16
#8357
21M
21.00 mi12:36:502:35:337:2410:00
10:00
#9043
35K
21.75 mi12:41:592:40:427:235:09
6:53
#8811
23M
23.00 mi12:52:392:51:227:2710:40
8:31
#9078
24M
24.00 mi12:58:552:57:387:246:16
6:16
#8534
40K
24.85 mi13:06:253:05:087:277:30
8:46
#8792
25.2M
25.20 mi13:09:293:08:127:283:04
8:54
#8820
Finish
26.22 mi13:16:043:14:477:266:35
6:28
#8479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1755166716672220(Top 8%)2116(Top 13%)2116(Top 94%)
10K6.21 mi3.10 mi1931-1761839-1721839-1722106(Top 7%)2009(Top 12%)2009(Top 89%)
15K9.32 mi3.11 mi1994-631898-591898-592220(Top 8%)2116(Top 13%)2116(Top 94%)
20K12.43 mi3.11 mi2170-1762071-1732071-1732790(Top 10%)2657(Top 16%)2657(Top 118%)
Half13.11 mi0.68 mi2258-882157-862157-864066(Top 14%)3830(Top 24%)3830(Top 170%)
25K15.53 mi2.42 mi4235-19773975-18183975-181816799(Top 59%)11009(Top 68%)11009(Top 490%)
30K18.64 mi3.11 mi7547-33126600-26256600-262520478(Top 72%)12501(Top 78%)12501(Top 556%)
20M20.00 mi1.36 mi8357-8107065-4657065-46518129(Top 64%)11284(Top 70%)11284(Top 502%)
21M21.00 mi1.00 mi9043-6867428-3637428-36318268(Top 64%)11284(Top 70%)11284(Top 502%)
35K21.75 mi0.75 mi8811+2327272+1567272+1564663(Top 16%)4141(Top 26%)4141(Top 184%)
23M23.00 mi1.25 mi9078-2677378-1067378-10613391(Top 47%)8876(Top 55%)8876(Top 395%)
24M24.00 mi1.00 mi8534+5447033+3457033+3451237(Top 4%)1162(Top 7%)1162(Top 52%)
40K24.85 mi0.85 mi8792-2587139-1067139-10614983(Top 53%)9426(Top 59%)9426(Top 419%)
25.2M25.20 mi0.35 mi8820-287143-47143-411113(Top 39%)7519(Top 47%)7519(Top 335%)
Finish26.22 mi1.02 mi8479+3416926+2176926+2172649(Top 9%)2399(Top 15%)2399(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2220

Males

2116

M40-44

2116

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2106

Males

2009

M40-44

2009

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2220

Males

2116

M40-44

2116

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2790

Males

2657

M40-44

2657

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4066

Males

3830

M40-44

3830

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16799

Males

11009

M40-44

11009

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20478

Males

12501

M40-44

12501

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18129

Males

11284

M40-44

11284

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18268

Males

11284

M40-44

11284

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4663

Males

4141

M40-44

4141

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13391

Males

8876

M40-44

8876

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1237

Males

1162

M40-44

1162

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14983

Males

9426

M40-44

9426

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11113

Males

7519

M40-44

7519

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2649

Males

2399

M40-44

2399

Passing Analysis

Category:
Athletes Passed
1382
Passed By
8106
Net Change
-6724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1755
5K → 10K41217-176#1755#1931
10K → 15K46109-63#1931#1994
15K → 20K29205-176#1994#2170
20K → Half189-88#2170#2258
Half → 25K01977-1977#2258#4235
25K → 30K43316-3312#4235#7547
30K → 20M13823-810#7547#8357
20M → 21M9695-686#8357#9043
21M → 35K2320+232#9043#8811
35K → 23M60327-267#8811#9078
23M → 24M5440+544#9078#8534
24M → 40K36294-258#8534#8792
40K → 25.2M2654-28#8792#8820
25.2M → Finish3410+341#8820#8479
TOTALS13828106-6724
📊

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