Boston Marathon logo
BOSTON MARATHON 2023

Paul Calamari

Bib: 25465•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
27:53
Rank: #20322
Start → 5K
8:58/mi
27:53 split
10K· 6.21 mi
53:18
Rank: #18381 (+1941)
5K → 10K
8:11/mi
25:25 split
15K· 9.32 mi
1:17:15
Rank: #16435 (+1946)
10K → 15K
7:43/mi
23:57 split
20K· 12.43 mi
1:41:09
Rank: #15164 (+1271)
15K → 20K
7:42/mi
23:54 split
Half· 13.11 mi
1:46:22
Rank: #14971 (+193)
20K → Half
7:39/mi
5:13 split
25K· 15.53 mi
2:05:16
Rank: #14362 (+609)
Half → 25K
7:48/mi
18:54 split
30K· 18.64 mi
2:30:28
Rank: #13861 (+501)
25K → 30K
8:07/mi
25:12 split
20M
2:41:56
Rank: #13803 (+58)
30K → 20M
8:26/mi
11:28 split
21M
2:50:30
Rank: #13600 (+203)
20M → 21M
8:34/mi
8:34 split
35K· 21.75 mi
2:56:21
Rank: #13476 (+124)
21M → 35K
7:49/mi
5:51 split
23M
3:07:03
Rank: #13463 (+13)
35K → 23M
8:33/mi
10:42 split
24M
3:15:41
Rank: #13525 (-62)
23M → 24M
8:38/mi
8:38 split
40K· 24.85 mi
3:23:21
Rank: #13622 (-97)
24M → 40K
8:58/mi
7:40 split
25.2M
3:27:02
Rank: #13777 (-155)
40K → 25.2M
10:41/mi
3:41 split
Finish· 26.22 mi
3:36:49
Rank: #14134 (-357)
25.2M → Finish
9:36/mi
9:47 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 HalfFaster
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:50:27
Pace8:26 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0927:538:5827:53
8:58
-
10K
6.21 mi12:15:3453:188:3525:25
8:11
-0:47
15K
9.32 mi12:39:311:17:158:1723:57
7:43
-0:28
20K
12.43 mi13:03:251:41:098:0823:54
7:42
-0:01
Half
13.11 mi13:08:381:46:228:075:13
7:39
-0:03
25K
15.53 mi13:27:322:05:168:0418:54
7:48
+0:09
30K
18.64 mi13:52:442:30:288:0425:12
8:07
+0:19
20M
20.00 mi14:04:122:41:568:0611:28
8:26
+0:19
21M
21.00 mi14:12:462:50:308:078:34
8:34
+0:08
35K
21.75 mi14:18:372:56:218:075:51
7:49
-0:45
23M
23.00 mi14:29:193:07:038:0810:42
8:33
+0:44
24M
24.00 mi14:37:573:15:418:098:38
8:38
+0:05
40K
24.85 mi14:45:373:23:218:117:40
8:58
+0:20
25.2M
25.20 mi14:49:183:27:028:133:41
10:41
+1:43
Finish
26.22 mi14:59:053:36:498:179:47
9:36
-1:05

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

7:39 /mi

Average Pace

8:17 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:49

36% of race

Time at Steady Pace

1:29:59

42% of race

Time at Slower Pace

49:01

23% of race

Average Pace: 8:16 /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 mi11:50:0927:538:5827:53
8:58
#20322
10K
6.21 mi12:15:3453:188:3525:25
8:11
#18381
15K
9.32 mi12:39:311:17:158:1723:57
7:43
#16435
20K
12.43 mi13:03:251:41:098:0823:54
7:42
#15164
Half
13.11 mi13:08:381:46:228:075:13
7:39
#14971
25K
15.53 mi13:27:322:05:168:0418:54
7:48
#14362
30K
18.64 mi13:52:442:30:288:0425:12
8:07
#13861
20M
20.00 mi14:04:122:41:568:0611:28
8:26
#13803
21M
21.00 mi14:12:462:50:308:078:34
8:34
#13600
35K
21.75 mi14:18:372:56:218:075:51
7:49
#13476
23M
23.00 mi14:29:193:07:038:0810:42
8:33
#13463
24M
24.00 mi14:37:573:15:418:098:38
8:38
#13525
40K
24.85 mi14:45:373:23:218:117:40
8:58
#13622
25.2M
25.20 mi14:49:183:27:028:133:41
10:41
#13777
Finish
26.22 mi14:59:053:36:498:179:47
9:36
#14134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20322122921229211912(Top 45%)9045(Top 60%)9045(Top 171%)
10K6.21 mi3.10 mi18381+194111611+68111611+68116101(Top 60%)10741(Top 71%)10741(Top 203%)
15K9.32 mi3.11 mi16435+194610867+74410867+74411912(Top 45%)9045(Top 60%)9045(Top 171%)
20K12.43 mi3.11 mi15164+127110357+51010357+51010857(Top 41%)8508(Top 56%)8508(Top 161%)
Half13.11 mi0.68 mi14971+19310282+7510282+7511397(Top 43%)8830(Top 58%)8830(Top 167%)
25K15.53 mi2.42 mi14362+60910022+26010022+26011055(Top 42%)8535(Top 56%)8535(Top 161%)
30K18.64 mi3.11 mi13861+5019792+2309792+23011723(Top 44%)8684(Top 57%)8684(Top 164%)
20M20.00 mi1.36 mi13803+589748+449748+4413242(Top 50%)9243(Top 61%)9243(Top 175%)
21M21.00 mi1.00 mi13600+2039649+999649+9910871(Top 41%)8068(Top 53%)8068(Top 153%)
35K21.75 mi0.75 mi13476+1249590+599590+5910803(Top 41%)8026(Top 53%)8026(Top 152%)
23M23.00 mi1.25 mi13463+139550+409550+4013492(Top 51%)9140(Top 60%)9140(Top 173%)
24M24.00 mi1.00 mi13525-629554-49554-415243(Top 57%)9852(Top 65%)9852(Top 186%)
40K24.85 mi0.85 mi13622-979572-189572-1815938(Top 60%)10099(Top 67%)10099(Top 191%)
25.2M25.20 mi0.35 mi13777-1559619-479619-4719602(Top 74%)11726(Top 77%)11726(Top 222%)
Finish26.22 mi1.02 mi14134-3579737-1189737-11820452(Top 77%)12155(Top 80%)12155(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11912

Males

9045

M18-39

9045

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16101

Males

10741

M18-39

10741

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11912

Males

9045

M18-39

9045

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10857

Males

8508

M18-39

8508

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11397

Males

8830

M18-39

8830

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11055

Males

8535

M18-39

8535

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11723

Males

8684

M18-39

8684

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13242

Males

9243

M18-39

9243

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10871

Males

8068

M18-39

8068

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10803

Males

8026

M18-39

8026

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13492

Males

9140

M18-39

9140

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15243

Males

9852

M18-39

9852

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15938

Males

10099

M18-39

10099

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19602

Males

11726

M18-39

11726

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20452

Males

12155

M18-39

12155

Passing Analysis

Category:
Athletes Passed
7160
Passed By
972
Net Change
+6188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20322
5K → 10K195817+1941#20322#18381
10K → 15K19471+1946#18381#16435
15K → 20K12710+1271#16435#15164
20K → Half1930+193#15164#14971
Half → 25K6090+609#14971#14362
25K → 30K51716+501#14362#13861
30K → 20M11254+58#13861#13803
20M → 21M21613+203#13803#13600
21M → 35K1339+124#13600#13476
35K → 23M9683+13#13476#13463
23M → 24M52114-62#13463#13525
24M → 40K38135-97#13525#13622
40K → 25.2M6161-155#13622#13777
25.2M → Finish12369-357#13777#14134
TOTALS7160972+6188
📊

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