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BOSTON MARATHON 2023

Ari Ofsevit

Bib: 4876•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3586
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:16
Rank: #3461 (+125)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:53
Rank: #3474 (-13)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:50
Rank: #3560 (-86)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:27:24
Rank: #3594 (-34)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:56
Rank: #3690 (-96)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:05:46
Rank: #3822 (-132)
25K → 30K
21:50 | 7:02/mi
20M
2:15:28
Rank: #3901 (-79)
30K → 20M
9:42 | 7:08/mi
21M
2:23:01
Rank: #3963 (-62)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:28:16
Rank: #4030 (-67)
21M → 35K
5:15 | 7:01/mi
23M
2:37:23
Rank: #4138 (-108)
35K → 23M
9:07 | 7:17/mi
24M
2:44:22
Rank: #4168 (-30)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:50:25
Rank: #4168
24M → 40K
6:03 | 7:05/mi
25.2M
2:53:04
Rank: #4186 (-18)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:59:56
Rank: #4175 (+11)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:32:32
Pace7:04 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4120:476:4120:47
6:41
-
10K
6.21 mi10:43:1041:166:3820:29
6:36
-0:05
15K
9.32 mi11:03:471:01:536:3820:37
6:38
+0:02
20K
12.43 mi11:24:441:22:506:4020:57
6:45
+0:07
Half
13.11 mi11:29:181:27:246:404:34
6:42
-0:03
25K
15.53 mi11:45:501:43:566:4116:32
6:49
+0:07
30K
18.64 mi12:07:402:05:466:4521:50
7:02
+0:13
20M
20.00 mi12:17:222:15:286:469:42
7:08
+0:06
21M
21.00 mi12:24:552:23:016:497:33
7:33
+0:25
35K
21.75 mi12:30:102:28:166:495:15
7:01
-0:32
23M
23.00 mi12:39:172:37:236:519:07
7:17
+0:16
24M
24.00 mi12:46:162:44:226:516:59
6:59
-0:18
40K
24.85 mi12:52:192:50:256:516:03
7:05
+0:06
25.2M
25.20 mi12:54:582:53:046:522:39
7:41
+0:36
Finish
26.22 mi13:01:502:59:566:526:52
6:44
-0:57

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

6:36 /mi

Average Pace

6:52 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:37

89% of race

Time at Steady Pace

19:19

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:22:4120:476:4120:47
6:41
#3586
10K
6.21 mi10:43:1041:166:3820:29
6:36
#3461
15K
9.32 mi11:03:471:01:536:3820:37
6:38
#3474
20K
12.43 mi11:24:441:22:506:4020:57
6:45
#3560
Half
13.11 mi11:29:181:27:246:404:34
6:42
#3594
25K
15.53 mi11:45:501:43:566:4116:32
6:49
#3690
30K
18.64 mi12:07:402:05:466:4521:50
7:02
#3822
20M
20.00 mi12:17:222:15:286:469:42
7:08
#3901
21M
21.00 mi12:24:552:23:016:497:33
7:33
#3963
35K
21.75 mi12:30:102:28:166:495:15
7:01
#4030
23M
23.00 mi12:39:172:37:236:519:07
7:17
#4138
24M
24.00 mi12:46:162:44:226:516:59
6:59
#4168
40K
24.85 mi12:52:192:50:256:516:03
7:05
#4168
25.2M
25.20 mi12:54:582:53:046:522:39
7:41
#4186
Finish
26.22 mi13:01:502:59:566:526:52
6:44
#4175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3586337933793585(Top 13%)3389(Top 22%)3389(Top 64%)
10K6.21 mi3.10 mi3461+1253269+1103269+1103452(Top 13%)3275(Top 22%)3275(Top 62%)
15K9.32 mi3.11 mi3474-133291-223291-223585(Top 13%)3389(Top 22%)3389(Top 64%)
20K12.43 mi3.11 mi3560-863370-793370-793924(Top 15%)3698(Top 24%)3698(Top 70%)
Half13.11 mi0.68 mi3594-343402-323402-324269(Top 16%)3993(Top 26%)3993(Top 76%)
25K15.53 mi2.42 mi3690-963487-853487-854310(Top 16%)4026(Top 27%)4026(Top 76%)
30K18.64 mi3.11 mi3822-1323604-1173604-1174521(Top 17%)4185(Top 28%)4185(Top 79%)
20M20.00 mi1.36 mi3901-793674-703674-704783(Top 18%)4363(Top 29%)4363(Top 83%)
21M21.00 mi1.00 mi3963-623727-533727-534801(Top 18%)4328(Top 29%)4328(Top 82%)
35K21.75 mi0.75 mi4030-673781-543781-545387(Top 20%)4783(Top 32%)4783(Top 91%)
23M23.00 mi1.25 mi4138-1083876-953876-955191(Top 19%)4599(Top 30%)4599(Top 87%)
24M24.00 mi1.00 mi4168-303903-273903-274576(Top 17%)4112(Top 27%)4112(Top 78%)
40K24.85 mi0.85 mi41683900+33900+34226(Top 16%)3761(Top 25%)3761(Top 71%)
25.2M25.20 mi0.35 mi4186-183917-173917-174750(Top 18%)4103(Top 27%)4103(Top 78%)
Finish26.22 mi1.02 mi4175+113903+143903+143718(Top 14%)3310(Top 22%)3310(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3585

Males

3389

M18-39

3389

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3452

Males

3275

M18-39

3275

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3585

Males

3389

M18-39

3389

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3924

Males

3698

M18-39

3698

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4269

Males

3993

M18-39

3993

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4310

Males

4026

M18-39

4026

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4521

Males

4185

M18-39

4185

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4783

Males

4363

M18-39

4363

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4801

Males

4328

M18-39

4328

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5387

Males

4783

M18-39

4783

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5191

Males

4599

M18-39

4599

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4576

Males

4112

M18-39

4112

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4226

Males

3761

M18-39

3761

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4750

Males

4103

M18-39

4103

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3718

Males

3310

M18-39

3310

Passing Analysis

Category:
Athletes Passed
824
Passed By
1413
Net Change
-589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3586
5K → 10K247122+125#3586#3461
10K → 15K99112-13#3461#3474
15K → 20K50136-86#3474#3560
20K → Half943-34#3560#3594
Half → 25K53149-96#3594#3690
25K → 30K64196-132#3690#3822
30K → 20M41120-79#3822#3901
20M → 21M47109-62#3901#3963
21M → 35K1986-67#3963#4030
35K → 23M32140-108#4030#4138
23M → 24M4676-30#4138#4168
24M → 40K55550#4168#4168
40K → 25.2M1230-18#4168#4186
25.2M → Finish5039+11#4186#4175
TOTALS8241413-589
📊

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