Boston Marathon logo
BOSTON MARATHON 2023

Aaron Goldstein

Bib: 2014•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #4085
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #4424 (-339)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:29
Rank: #4046 (+378)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:57
Rank: #3636 (+410)
15K → 20K
20:28 | 6:35/mi
Half· 13.11 mi
1:27:27
Rank: #3624 (+12)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:22
Rank: #3393 (+231)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:03:46
Rank: #2968 (+425)
25K → 30K
20:24 | 6:34/mi
20M
2:12:40
Rank: #2832 (+136)
30K → 20M
8:54 | 6:33/mi
21M
2:19:24
Rank: #2666 (+166)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:24:13
Rank: #2623 (+43)
21M → 35K
4:49 | 6:26/mi
23M
2:32:11
Rank: #2461 (+162)
35K → 23M
7:58 | 6:22/mi
24M
2:38:24
Rank: #2383 (+78)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:44:02
Rank: #2339 (+44)
24M → 40K
5:38 | 6:35/mi
25.2M
2:46:18
Rank: #2296 (+43)
40K → 25.2M
2:16 | 6:35/mi
Finish· 26.22 mi
2:52:43
Rank: #2231 (+65)
25.2M → Finish
6:25 | 6:18/mi

Course Map & Elevation

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
Distance13.11 mi
Time1:27:27
Pace6:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:16
Pace6:30 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4320:586:4520:58
6:45
-
10K
6.21 mi10:45:4041:556:4520:58
6:45
0:00
15K
9.32 mi11:06:141:02:296:4220:34
6:37
-0:08
20K
12.43 mi11:26:421:22:576:4020:28
6:35
-0:02
Half
13.11 mi11:31:121:27:276:404:30
6:36
+0:01
25K
15.53 mi11:47:071:43:226:3915:55
6:34
-0:02
30K
18.64 mi12:07:312:03:466:3820:24
6:34
0:00
20M
20.00 mi12:16:252:12:406:388:54
6:33
-0:01
21M
21.00 mi12:23:092:19:246:386:44
6:44
+0:11
35K
21.75 mi12:27:582:24:136:384:49
6:26
-0:18
23M
23.00 mi12:35:562:32:116:377:58
6:22
-0:04
24M
24.00 mi12:42:092:38:246:366:13
6:13
-0:09
40K
24.85 mi12:47:472:44:026:365:38
6:35
+0:22
25.2M
25.20 mi12:50:032:46:186:362:16
6:35
0:00
Finish
26.22 mi12:56:282:52:436:366:25
6:18
-0:17

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

6:13 /mi

Average Pace

6:36 /mi

Slowest Pace

6:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

25:25

15% of race

Time at Steady Pace

2:27:18

85% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:4320:586:4520:58
6:45
#4085
10K
6.21 mi10:45:4041:556:4520:58
6:45
#4424
15K
9.32 mi11:06:141:02:296:4220:34
6:37
#4046
20K
12.43 mi11:26:421:22:576:4020:28
6:35
#3636
Half
13.11 mi11:31:121:27:276:404:30
6:36
#3624
25K
15.53 mi11:47:071:43:226:3915:55
6:34
#3393
30K
18.64 mi12:07:312:03:466:3820:24
6:34
#2968
20M
20.00 mi12:16:252:12:406:388:54
6:33
#2832
21M
21.00 mi12:23:092:19:246:386:44
6:44
#2666
35K
21.75 mi12:27:582:24:136:384:49
6:26
#2623
23M
23.00 mi12:35:562:32:116:377:58
6:22
#2461
24M
24.00 mi12:42:092:38:246:366:13
6:13
#2383
40K
24.85 mi12:47:472:44:026:365:38
6:35
#2339
25.2M
25.20 mi12:50:032:46:186:362:16
6:35
#2296
Finish
26.22 mi12:56:282:52:436:366:25
6:18
#2231
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4085383038303428(Top 13%)3250(Top 21%)3250(Top 61%)
10K6.21 mi3.10 mi4424-3394138-3084138-3084781(Top 18%)4438(Top 29%)4438(Top 84%)
15K9.32 mi3.11 mi4046+3783804+3343804+3343428(Top 13%)3250(Top 21%)3250(Top 61%)
20K12.43 mi3.11 mi3636+4103441+3633441+3632756(Top 10%)2635(Top 17%)2635(Top 50%)
Half13.11 mi0.68 mi3624+123431+103431+103325(Top 12%)3156(Top 21%)3156(Top 60%)
25K15.53 mi2.42 mi3393+2313223+2083223+2082529(Top 9%)2419(Top 16%)2419(Top 46%)
30K18.64 mi3.11 mi2968+4252832+3912832+3911811(Top 7%)1734(Top 11%)1734(Top 33%)
20M20.00 mi1.36 mi2832+1362707+1252707+1251662(Top 6%)1586(Top 10%)1586(Top 30%)
21M21.00 mi1.00 mi2666+1662547+1602547+1601227(Top 5%)1169(Top 8%)1169(Top 22%)
35K21.75 mi0.75 mi2623+432508+392508+392127(Top 8%)2020(Top 13%)2020(Top 38%)
23M23.00 mi1.25 mi2461+1622355+1532355+1531002(Top 4%)952(Top 6%)952(Top 18%)
24M24.00 mi1.00 mi2383+782281+742281+741090(Top 4%)1032(Top 7%)1032(Top 20%)
40K24.85 mi0.85 mi2339+442237+442237+441836(Top 7%)1727(Top 11%)1727(Top 33%)
25.2M25.20 mi0.35 mi2296+432198+392198+39655(Top 2%)620(Top 4%)620(Top 12%)
Finish26.22 mi1.02 mi2231+652137+612137+611623(Top 6%)1528(Top 10%)1528(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3428

Males

3250

M18-39

3250

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4781

Males

4438

M18-39

4438

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3428

Males

3250

M18-39

3250

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2756

Males

2635

M18-39

2635

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3325

Males

3156

M18-39

3156

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2529

Males

2419

M18-39

2419

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1811

Males

1734

M18-39

1734

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1662

Males

1586

M18-39

1586

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1227

Males

1169

M18-39

1169

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2127

Males

2020

M18-39

2020

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1002

Males

952

M18-39

952

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1090

Males

1032

M18-39

1032

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1836

Males

1727

M18-39

1727

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

655

Males

620

M18-39

620

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1623

Males

1528

M18-39

1528

Passing Analysis

Category:
Athletes Passed
2351
Passed By
497
Net Change
+1854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4085
5K → 10K106445-339#4085#4424
10K → 15K39214+378#4424#4046
15K → 20K4122+410#4046#3636
20K → Half2614+12#3636#3624
Half → 25K2321+231#3624#3393
25K → 30K4250+425#3393#2968
30K → 20M1371+136#2968#2832
20M → 21M1671+166#2832#2666
21M → 35K485+43#2666#2623
35K → 23M1631+162#2623#2461
23M → 24M802+78#2461#2383
24M → 40K517+44#2383#2339
40K → 25.2M430+43#2339#2296
25.2M → Finish694+65#2296#2231
TOTALS2351497+1854
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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