Boston Marathon logo
BOSTON MARATHON 2023

Avery Berkowitz

Bib: 6492•M

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4792
Start → 5K
6:49/mi
21:10 split
10K· 6.21 mi
42:25
Rank: #5179 (-387)
5K → 10K
6:50/mi
21:15 split
15K· 9.32 mi
1:03:41
Rank: #5284 (-105)
10K → 15K
6:51/mi
21:16 split
20K· 12.43 mi
1:24:57
Rank: #5187 (+97)
15K → 20K
6:51/mi
21:16 split
Half· 13.11 mi
1:29:31
Rank: #5142 (+45)
20K → Half
6:42/mi
4:34 split
25K· 15.53 mi
1:45:57
Rank: #4894 (+248)
Half → 25K
6:47/mi
16:26 split
30K· 18.64 mi
2:07:11
Rank: #4514 (+380)
25K → 30K
6:50/mi
21:14 split
20M
2:16:27
Rank: #4342 (+172)
30K → 20M
6:49/mi
9:16 split
21M
2:23:35
Rank: #4197 (+145)
20M → 21M
7:08/mi
7:08 split
35K· 21.75 mi
2:28:34
Rank: #4157 (+40)
21M → 35K
6:40/mi
4:59 split
23M
2:37:16
Rank: #4087 (+70)
35K → 23M
6:57/mi
8:42 split
24M
2:43:57
Rank: #4008 (+79)
23M → 24M
6:41/mi
6:41 split
40K· 24.85 mi
2:49:51
Rank: #3975 (+33)
24M → 40K
6:54/mi
5:54 split
25.2M
2:52:24
Rank: #3955 (+20)
40K → 25.2M
7:24/mi
2:33 split
Finish· 26.22 mi
2:59:12
Rank: #3918 (+37)
25.2M → Finish
6:40/mi
6:48 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:31
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:41
Pace6:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4421:106:4921:10
6:49
-
10K
6.21 mi10:46:5942:256:5021:15
6:50
+0:01
15K
9.32 mi11:08:151:03:416:5021:16
6:51
+0:01
20K
12.43 mi11:29:311:24:576:5021:16
6:51
0:00
Half
13.11 mi11:34:051:29:316:504:34
6:42
-0:09
25K
15.53 mi11:50:311:45:576:4916:26
6:47
+0:05
30K
18.64 mi12:11:452:07:116:4921:14
6:50
+0:03
20M
20.00 mi12:21:012:16:276:499:16
6:49
-0:01
21M
21.00 mi12:28:092:23:356:507:08
7:08
+0:19
35K
21.75 mi12:33:082:28:346:504:59
6:40
-0:28
23M
23.00 mi12:41:502:37:166:508:42
6:57
+0:17
24M
24.00 mi12:48:312:43:576:506:41
6:41
-0:16
40K
24.85 mi12:54:252:49:516:505:54
6:54
+0:13
25.2M
25.20 mi12:56:582:52:246:502:33
7:24
+0:30
Finish
26.22 mi13:03:462:59:126:506:48
6:40
-0:44

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

6:40 /mi

Average Pace

6:50 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:39

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:25:4421:106:4921:10
6:49
#4792
10K
6.21 mi10:46:5942:256:5021:15
6:50
#5179
15K
9.32 mi11:08:151:03:416:5021:16
6:51
#5284
20K
12.43 mi11:29:311:24:576:5021:16
6:51
#5187
Half
13.11 mi11:34:051:29:316:504:34
6:42
#5142
25K
15.53 mi11:50:311:45:576:4916:26
6:47
#4894
30K
18.64 mi12:11:452:07:116:4921:14
6:50
#4514
20M
20.00 mi12:21:012:16:276:499:16
6:49
#4342
21M
21.00 mi12:28:092:23:356:507:08
7:08
#4197
35K
21.75 mi12:33:082:28:346:504:59
6:40
#4157
23M
23.00 mi12:41:502:37:166:508:42
6:57
#4087
24M
24.00 mi12:48:312:43:576:506:41
6:41
#4008
40K
24.85 mi12:54:252:49:516:505:54
6:54
#3975
25.2M
25.20 mi12:56:582:52:246:502:33
7:24
#3955
Finish
26.22 mi13:03:462:59:126:506:48
6:40
#3918
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4792445844585503(Top 21%)5066(Top 33%)5066(Top 96%)
10K6.21 mi3.10 mi5179-3874796-3384796-3385647(Top 21%)5181(Top 34%)5181(Top 98%)
15K9.32 mi3.11 mi5284-1054893-974893-975503(Top 21%)5066(Top 33%)5066(Top 96%)
20K12.43 mi3.11 mi5187+974808+854808+854850(Top 18%)4502(Top 30%)4502(Top 85%)
Half13.11 mi0.68 mi5142+454770+384770+384245(Top 16%)3969(Top 26%)3969(Top 75%)
25K15.53 mi2.42 mi4894+2484549+2214549+2213949(Top 15%)3710(Top 24%)3710(Top 70%)
30K18.64 mi3.11 mi4514+3804215+3344215+3343229(Top 12%)3044(Top 20%)3044(Top 58%)
20M20.00 mi1.36 mi4342+1724060+1554060+1552960(Top 11%)2785(Top 18%)2785(Top 53%)
21M21.00 mi1.00 mi4197+1453930+1303930+1302783(Top 10%)2617(Top 17%)2617(Top 50%)
35K21.75 mi0.75 mi4157+403891+393891+393358(Top 13%)3128(Top 21%)3128(Top 59%)
23M23.00 mi1.25 mi4087+703828+633828+633517(Top 13%)3258(Top 21%)3258(Top 62%)
24M24.00 mi1.00 mi4008+793754+743754+743030(Top 11%)2814(Top 19%)2814(Top 53%)
40K24.85 mi0.85 mi3975+333722+323722+323331(Top 13%)3047(Top 20%)3047(Top 58%)
25.2M25.20 mi0.35 mi3955+203702+203702+203397(Top 13%)3080(Top 20%)3080(Top 58%)
Finish26.22 mi1.02 mi3918+373673+293673+293358(Top 13%)3016(Top 20%)3016(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5503

Males

5066

M18-39

5066

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5647

Males

5181

M18-39

5181

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5503

Males

5066

M18-39

5066

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4850

Males

4502

M18-39

4502

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4245

Males

3969

M18-39

3969

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3949

Males

3710

M18-39

3710

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3229

Males

3044

M18-39

3044

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2960

Males

2785

M18-39

2785

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2783

Males

2617

M18-39

2617

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3358

Males

3128

M18-39

3128

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3517

Males

3258

M18-39

3258

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3030

Males

2814

M18-39

2814

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3331

Males

3047

M18-39

3047

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3397

Males

3080

M18-39

3080

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3358

Males

3016

M18-39

3016

Passing Analysis

Category:
Athletes Passed
1761
Passed By
887
Net Change
+874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4792
5K → 10K81468-387#4792#5179
10K → 15K70175-105#5179#5284
15K → 20K16164+97#5284#5187
20K → Half494+45#5187#5142
Half → 25K26214+248#5142#4894
25K → 30K39414+380#4894#4514
30K → 20M1786+172#4514#4342
20M → 21M15611+145#4342#4197
21M → 35K5515+40#4197#4157
35K → 23M9828+70#4157#4087
23M → 24M9213+79#4087#4008
24M → 40K6330+33#4008#3975
40K → 25.2M3414+20#3975#3955
25.2M → Finish6831+37#3955#3918
TOTALS1761887+874
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing