Boston Marathon logo
BOSTON MARATHON 2023

Ben Adler

Bib: 4623•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #2390
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
40:11
Rank: #2311 (+79)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
1:00:04
Rank: #2227 (+84)
10K → 15K
19:53 | 6:24/mi
20K· 12.43 mi
1:20:12
Rank: #2207 (+20)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:24:36
Rank: #2216 (-9)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:09
Rank: #2123 (+93)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
2:00:26
Rank: #2022 (+101)
25K → 30K
20:17 | 6:32/mi
20M
2:09:17
Rank: #1951 (+71)
30K → 20M
8:51 | 6:31/mi
21M
2:16:02
Rank: #1903 (+48)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:20:38
Rank: #1852 (+51)
21M → 35K
4:36 | 6:09/mi
23M
2:28:34
Rank: #1762 (+90)
35K → 23M
7:56 | 6:20/mi
24M
2:34:33
Rank: #1660 (+102)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:39:41
Rank: #1576 (+84)
24M → 40K
5:08 | 6:00/mi
25.2M
2:41:50
Rank: #1531 (+45)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:47:45
Rank: #1441 (+90)
25.2M → Finish
5:55 | 5:48/mi

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
Distance13.11 mi
Time1:24:36
Pace6:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:09
Pace6:21 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2020:166:3120:16
6:31
-
10K
6.21 mi10:42:1540:116:2819:55
6:25
-0:06
15K
9.32 mi11:02:081:00:046:2719:53
6:24
-0:01
20K
12.43 mi11:22:161:20:126:2720:08
6:29
+0:05
Half
13.11 mi11:26:401:24:366:274:24
6:27
-0:02
25K
15.53 mi11:42:131:40:096:2715:33
6:25
-0:02
30K
18.64 mi12:02:302:00:266:2820:17
6:32
+0:07
20M
20.00 mi12:11:212:09:176:288:51
6:31
-0:01
21M
21.00 mi12:18:062:16:026:296:45
6:45
+0:14
35K
21.75 mi12:22:422:20:386:284:36
6:09
-0:36
23M
23.00 mi12:30:382:28:346:287:56
6:20
+0:11
24M
24.00 mi12:36:372:34:336:265:59
5:59
-0:21
40K
24.85 mi12:41:452:39:416:255:08
6:00
+0:01
25.2M
25.20 mi12:43:542:41:506:252:09
6:14
+0:14
Finish
26.22 mi12:49:492:47:456:245:55
5:48
-0:26

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

5:48 /mi

Average Pace

6:24 /mi

Slowest Pace

6:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:43

19% of race

Time at Steady Pace

2:16:02

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:22:2020:166:3120:16
6:31
#2390
10K
6.21 mi10:42:1540:116:2819:55
6:25
#2311
15K
9.32 mi11:02:081:00:046:2719:53
6:24
#2227
20K
12.43 mi11:22:161:20:126:2720:08
6:29
#2207
Half
13.11 mi11:26:401:24:366:274:24
6:27
#2216
25K
15.53 mi11:42:131:40:096:2715:33
6:25
#2123
30K
18.64 mi12:02:302:00:266:2820:17
6:32
#2022
20M
20.00 mi12:11:212:09:176:288:51
6:31
#1951
21M
21.00 mi12:18:062:16:026:296:45
6:45
#1903
35K
21.75 mi12:22:422:20:386:284:36
6:09
#1852
23M
23.00 mi12:30:382:28:346:287:56
6:20
#1762
24M
24.00 mi12:36:372:34:336:265:59
5:59
#1660
40K
24.85 mi12:41:452:39:416:255:08
6:00
#1576
25.2M
25.20 mi12:43:542:41:506:252:09
6:14
#1531
Finish
26.22 mi12:49:492:47:456:245:55
5:48
#1441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2390227822782085(Top 8%)2000(Top 13%)2000(Top 38%)
10K6.21 mi3.10 mi2311+792206+722206+722282(Top 9%)2183(Top 14%)2183(Top 41%)
15K9.32 mi3.11 mi2227+842133+732133+732085(Top 8%)2000(Top 13%)2000(Top 38%)
20K12.43 mi3.11 mi2207+202113+202113+202174(Top 8%)2086(Top 14%)2086(Top 39%)
Half13.11 mi0.68 mi2216-92122-92122-92421(Top 9%)2320(Top 15%)2320(Top 44%)
25K15.53 mi2.42 mi2123+932037+852037+851764(Top 7%)1688(Top 11%)1688(Top 32%)
30K18.64 mi3.11 mi2022+1011939+981939+981668(Top 6%)1595(Top 11%)1595(Top 30%)
20M20.00 mi1.36 mi1951+711868+711868+711481(Top 6%)1410(Top 9%)1410(Top 27%)
21M21.00 mi1.00 mi1903+481820+481820+481256(Top 5%)1198(Top 8%)1198(Top 23%)
35K21.75 mi0.75 mi1852+511771+491771+491098(Top 4%)1046(Top 7%)1046(Top 20%)
23M23.00 mi1.25 mi1762+901685+861685+86936(Top 4%)891(Top 6%)891(Top 17%)
24M24.00 mi1.00 mi1660+1021587+981587+98522(Top 2%)493(Top 3%)493(Top 9%)
40K24.85 mi0.85 mi1576+841506+811506+81358(Top 1%)334(Top 2%)334(Top 6%)
25.2M25.20 mi0.35 mi1531+451462+441462+44195(Top 0.7%)176(Top 1%)176(Top 3%)
Finish26.22 mi1.02 mi1441+901374+881374+88395(Top 1%)376(Top 2%)376(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2085

Males

2000

M18-39

2000

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2282

Males

2183

M18-39

2183

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2085

Males

2000

M18-39

2000

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2174

Males

2086

M18-39

2086

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2421

Males

2320

M18-39

2320

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1764

Males

1688

M18-39

1688

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1668

Males

1595

M18-39

1595

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1481

Males

1410

M18-39

1410

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1256

Males

1198

M18-39

1198

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1098

Males

1046

M18-39

1046

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

936

Males

891

M18-39

891

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

522

Males

493

M18-39

493

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

358

Males

334

M18-39

334

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

195

Males

176

M18-39

176

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

395

Males

376

M18-39

376

Passing Analysis

Category:
Athletes Passed
1187
Passed By
238
Net Change
+949
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2390
5K → 10K16384+79#2390#2311
10K → 15K12440+84#2311#2227
15K → 20K6545+20#2227#2207
20K → Half817-9#2207#2216
Half → 25K996+93#2216#2123
25K → 30K12524+101#2123#2022
30K → 20M787+71#2022#1951
20M → 21M5911+48#1951#1903
21M → 35K521+51#1903#1852
35K → 23M911+90#1852#1762
23M → 24M1020+102#1762#1660
24M → 40K862+84#1660#1576
40K → 25.2M450+45#1576#1531
25.2M → Finish900+90#1531#1441
TOTALS1187238+949
📊

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