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BOSTON MARATHON 2025

Ari Ofsevit

Bib: 9481•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
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
20:40
Rank: #5039
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:26
Rank: #5083 (-44)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:46
Rank: #5569 (-486)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:24:49
Rank: #6165 (-596)
15K → 20K
22:03 | 7:06/mi
Half· 13.11 mi
1:29:39
Rank: #6303 (-138)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:47:21
Rank: #6647 (-344)
Half → 25K
17:42 | 7:18/mi
30K· 18.64 mi
2:12:14
Rank: #7307 (-660)
25K → 30K
24:53 | 8:01/mi
20M
2:22:12
Rank: #7131 (+176)
30K → 20M
9:58 | 7:20/mi
21M
2:29:53
Rank: #6966 (+165)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:35:06
Rank: #6846 (+120)
21M → 35K
5:13 | 6:58/mi
23M
2:44:11
Rank: #6650 (+196)
35K → 23M
9:05 | 7:15/mi
24M
2:51:14
Rank: #6520 (+130)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:57:56
Rank: #6555 (-35)
24M → 40K
6:42 | 7:50/mi
25.2M
3:01:56
Rank: #6889 (-334)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
3:10:32
Rank: #7206 (-317)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:39
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0920:406:3920:40
6:39
-
10K
6.21 mi11:06:5541:266:4020:46
6:41
+0:02
15K
9.32 mi11:28:151:02:466:4421:20
6:52
+0:11
20K
12.43 mi11:50:181:24:496:4922:03
7:06
+0:14
Half
13.11 mi11:55:081:29:396:504:50
7:05
-0:01
25K
15.53 mi12:12:501:47:216:5517:42
7:18
+0:13
30K
18.64 mi12:37:432:12:147:0624:53
8:01
+0:43
20M
20.00 mi12:47:412:22:127:079:58
7:20
-0:41
21M
21.00 mi12:55:222:29:537:087:41
7:41
+0:21
35K
21.75 mi13:00:352:35:067:085:13
6:58
-0:43
23M
23.00 mi13:09:402:44:117:089:05
7:15
+0:17
24M
24.00 mi13:16:432:51:147:087:03
7:03
-0:12
40K
24.85 mi13:23:252:57:567:106:42
7:50
+0:47
25.2M
25.20 mi13:27:253:01:567:134:00
11:36
+3:46
Finish
26.22 mi13:36:013:10:327:168:36
8:26
-3:10

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

6:39 /mi

Average Pace

7:16 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:40

11% of race

Time at Steady Pace

2:12:23

69% of race

Time at Slower Pace

37:29

20% of race

Average Pace: 7:16 /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 mi10:46:0920:406:3920:40
6:39
#5039
10K
6.21 mi11:06:5541:266:4020:46
6:41
#5083
15K
9.32 mi11:28:151:02:466:4421:20
6:52
#5569
20K
12.43 mi11:50:181:24:496:4922:03
7:06
#6165
Half
13.11 mi11:55:081:29:396:504:50
7:05
#6303
25K
15.53 mi12:12:501:47:216:5517:42
7:18
#6647
30K
18.64 mi12:37:432:12:147:0624:53
8:01
#7307
20M
20.00 mi12:47:412:22:127:079:58
7:20
#7131
21M
21.00 mi12:55:222:29:537:087:41
7:41
#6966
35K
21.75 mi13:00:352:35:067:085:13
6:58
#6846
23M
23.00 mi13:09:402:44:117:089:05
7:15
#6650
24M
24.00 mi13:16:432:51:147:087:03
7:03
#6520
40K
24.85 mi13:23:252:57:567:106:42
7:50
#6555
25.2M
25.20 mi13:27:253:01:567:134:00
11:36
#6889
Finish
26.22 mi13:36:013:10:327:168:36
8:26
#7206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5039470547056707(Top 24%)6028(Top 37%)6028(Top 268%)
10K6.21 mi3.10 mi5083-444736-314736-315205(Top 18%)4834(Top 30%)4834(Top 215%)
15K9.32 mi3.11 mi5569-4865138-4025138-4026707(Top 24%)6028(Top 37%)6028(Top 268%)
20K12.43 mi3.11 mi6165-5965618-4805618-4807482(Top 26%)6540(Top 41%)6540(Top 291%)
Half13.11 mi0.68 mi6303-1385720-1025720-1028107(Top 29%)6946(Top 43%)6946(Top 309%)
25K15.53 mi2.42 mi6647-3445984-2645984-2648341(Top 29%)6956(Top 43%)6956(Top 310%)
30K18.64 mi3.11 mi7307-6606428-4446428-44411427(Top 40%)8401(Top 52%)8401(Top 374%)
20M20.00 mi1.36 mi7131+1766277+1516277+1515986(Top 21%)5188(Top 32%)5188(Top 231%)
21M21.00 mi1.00 mi6966+1656129+1486129+1485551(Top 20%)4761(Top 30%)4761(Top 212%)
35K21.75 mi0.75 mi6846+1206027+1026027+1025167(Top 18%)4499(Top 28%)4499(Top 200%)
23M23.00 mi1.25 mi6650+1965853+1745853+1745197(Top 18%)4448(Top 28%)4448(Top 198%)
24M24.00 mi1.00 mi6520+1305741+1125741+1124904(Top 17%)4192(Top 26%)4192(Top 187%)
40K24.85 mi0.85 mi6555-355737+45737+48967(Top 32%)6491(Top 40%)6491(Top 289%)
25.2M25.20 mi0.35 mi6889-3345954-2175954-21722247(Top 78%)12897(Top 80%)12897(Top 574%)
Finish26.22 mi1.02 mi7206-3176134-1806134-18015792(Top 56%)9828(Top 61%)9828(Top 437%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6707

Males

6028

M40-44

6028

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5205

Males

4834

M40-44

4834

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6707

Males

6028

M40-44

6028

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7482

Males

6540

M40-44

6540

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8107

Males

6946

M40-44

6946

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8341

Males

6956

M40-44

6956

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11427

Males

8401

M40-44

8401

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5986

Males

5188

M40-44

5188

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5551

Males

4761

M40-44

4761

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5167

Males

4499

M40-44

4499

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5197

Males

4448

M40-44

4448

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4904

Males

4192

M40-44

4192

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8967

Males

6491

M40-44

6491

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22247

Males

12897

M40-44

12897

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15792

Males

9828

M40-44

9828

Passing Analysis

Category:
Athletes Passed
1224
Passed By
3391
Net Change
-2167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5039
5K → 10K154198-44#5039#5083
10K → 15K28514-486#5083#5569
15K → 20K35631-596#5569#6165
20K → Half4142-138#6165#6303
Half → 25K57401-344#6303#6647
25K → 30K46706-660#6647#7307
30K → 20M18913+176#7307#7131
20M → 21M17712+165#7131#6966
21M → 35K1244+120#6966#6846
35K → 23M21216+196#6846#6650
23M → 24M14010+130#6650#6520
24M → 40K4580-35#6520#6555
40K → 25.2M3337-334#6555#6889
25.2M → Finish10327-317#6889#7206
TOTALS12243391-2167
📊

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