Boston Marathon logo
BOSTON MARATHON 2023

Massimo Sabbion

Bib: 31075•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:13
Rank: #20792
Start → 5K
28:13 | 9:05/mi
10K· 6.21 mi
56:02
Rank: #20706 (+86)
5K → 10K
27:49 | 8:57/mi
15K· 9.32 mi
1:22:36
Rank: #19926 (+780)
10K → 15K
26:34 | 8:33/mi
20K· 12.43 mi
1:48:58
Rank: #19160 (+766)
15K → 20K
26:22 | 8:29/mi
Half· 13.11 mi
1:54:40
Rank: #19056 (+104)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:15:22
Rank: #18651 (+405)
Half → 25K
20:42 | 8:32/mi
30K· 18.64 mi
2:43:32
Rank: #18417 (+234)
25K → 30K
28:10 | 9:04/mi
20M
2:56:07
Rank: #18365 (+52)
30K → 20M
12:35 | 9:16/mi
21M
3:06:49
Rank: #18526 (-161)
20M → 21M
10:42 | 10:42/mi
35K· 21.75 mi
3:13:42
Rank: #18526
21M → 35K
6:53 | 9:12/mi
23M
3:26:32
Rank: #18720 (-194)
35K → 23M
12:50 | 10:15/mi
24M
3:36:19
Rank: #18808 (-88)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
3:44:57
Rank: #18912 (-104)
24M → 40K
8:38 | 10:06/mi
25.2M
3:48:38
Rank: #18930 (-18)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:58:08
Rank: #18975 (-45)
25.2M → Finish
9:30 | 9:19/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 HalfFaster
Distance13.11 mi
Time1:54:40
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:03:28
Pace9:25 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0828:139:0528:13
9:05
-
10K
6.21 mi12:17:5756:029:0127:49
8:57
-0:08
15K
9.32 mi12:44:311:22:368:5226:34
8:33
-0:24
20K
12.43 mi13:10:531:48:588:4626:22
8:29
-0:04
Half
13.11 mi13:16:351:54:408:455:42
8:21
-0:08
25K
15.53 mi13:37:172:15:228:4320:42
8:32
+0:11
30K
18.64 mi14:05:272:43:328:4628:10
9:04
+0:32
20M
20.00 mi14:18:022:56:078:4812:35
9:16
+0:12
21M
21.00 mi14:28:443:06:498:5410:42
10:42
+1:26
35K
21.75 mi14:35:373:13:428:546:53
9:12
-1:30
23M
23.00 mi14:48:273:26:328:5912:50
10:15
+1:03
24M
24.00 mi14:58:143:36:199:019:47
9:47
-0:28
40K
24.85 mi15:06:523:44:579:038:38
10:06
+0:19
25.2M
25.20 mi15:10:333:48:389:043:41
10:41
+0:35
Finish
26.22 mi15:20:033:58:089:059:30
9:19
-1:22

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

8:21 /mi

Average Pace

9:05 /mi

Slowest Pace

10:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:20

33% of race

Time at Steady Pace

1:53:10

48% of race

Time at Slower Pace

45:38

19% of race

Average Pace: 9:05 /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 mi11:50:0828:139:0528:13
9:05
#20792
10K
6.21 mi12:17:5756:029:0127:49
8:57
#20706
15K
9.32 mi12:44:311:22:368:5226:34
8:33
#19926
20K
12.43 mi13:10:531:48:588:4626:22
8:29
#19160
Half
13.11 mi13:16:351:54:408:455:42
8:21
#19056
25K
15.53 mi13:37:172:15:228:4320:42
8:32
#18651
30K
18.64 mi14:05:272:43:328:4628:10
9:04
#18417
20M
20.00 mi14:18:022:56:078:4812:35
9:16
#18365
21M
21.00 mi14:28:443:06:498:5410:42
10:42
#18526
35K
21.75 mi14:35:373:13:428:546:53
9:12
#18526
23M
23.00 mi14:48:273:26:328:5912:50
10:15
#18720
24M
24.00 mi14:58:143:36:199:019:47
9:47
#18808
40K
24.85 mi15:06:523:44:579:038:38
10:06
#18912
25.2M
25.20 mi15:10:333:48:389:043:41
10:41
#18930
Finish
26.22 mi15:20:033:58:089:059:30
9:19
#18975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20792125041250418152(Top 68%)11543(Top 76%)11543(Top 515%)
10K6.21 mi3.10 mi20706+8612533-2912533-2920690(Top 78%)12581(Top 83%)12581(Top 561%)
15K9.32 mi3.11 mi19926+78012212+32112212+32118152(Top 68%)11543(Top 76%)11543(Top 515%)
20K12.43 mi3.11 mi19160+76611928+28411928+28416763(Top 63%)10950(Top 72%)10950(Top 489%)
Half13.11 mi0.68 mi19056+10411881+4711881+4716824(Top 63%)11025(Top 73%)11025(Top 492%)
25K15.53 mi2.42 mi18651+40511704+17711704+17716418(Top 62%)10723(Top 71%)10723(Top 478%)
30K18.64 mi3.11 mi18417+23411581+12311581+12317513(Top 66%)11130(Top 73%)11130(Top 497%)
20M20.00 mi1.36 mi18365+5211552+2911552+2917837(Top 67%)11163(Top 74%)11163(Top 498%)
21M21.00 mi1.00 mi18526-16111616-6411616-6420135(Top 76%)12112(Top 80%)12112(Top 540%)
35K21.75 mi0.75 mi1852611606+1011606+1018722(Top 70%)11473(Top 76%)11473(Top 512%)
23M23.00 mi1.25 mi18720-19411672-6611672-6620700(Top 78%)12329(Top 81%)12329(Top 550%)
24M24.00 mi1.00 mi18808-8811697-2511697-2520153(Top 76%)12073(Top 80%)12073(Top 539%)
40K24.85 mi0.85 mi18912-10411742-4511742-4520221(Top 76%)12021(Top 79%)12021(Top 536%)
25.2M25.20 mi0.35 mi18930-1811744-211744-219617(Top 74%)11741(Top 77%)11741(Top 524%)
Finish26.22 mi1.02 mi18975-4511756-1211756-1219450(Top 73%)11725(Top 77%)11725(Top 523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18152

Males

11543

M40-44

11543

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20690

Males

12581

M40-44

12581

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18152

Males

11543

M40-44

11543

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16763

Males

10950

M40-44

10950

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16824

Males

11025

M40-44

11025

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16418

Males

10723

M40-44

10723

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17513

Males

11130

M40-44

11130

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17837

Males

11163

M40-44

11163

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20135

Males

12112

M40-44

12112

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18722

Males

11473

M40-44

11473

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20700

Males

12329

M40-44

12329

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20153

Males

12073

M40-44

12073

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20221

Males

12021

M40-44

12021

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19617

Males

11741

M40-44

11741

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19450

Males

11725

M40-44

11725

Passing Analysis

Category:
Athletes Passed
3047
Passed By
1230
Net Change
+1817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20792
5K → 10K352266+86#20792#20706
10K → 15K79111+780#20706#19926
15K → 20K7704+766#19926#19160
20K → Half1040+104#19160#19056
Half → 25K4083+405#19056#18651
25K → 30K29258+234#18651#18417
30K → 20M11159+52#18417#18365
20M → 21M37198-161#18365#18526
21M → 35K47470#18526#18526
35K → 23M33227-194#18526#18720
23M → 24M30118-88#18720#18808
24M → 40K22126-104#18808#18912
40K → 25.2M2341-18#18912#18930
25.2M → Finish2772-45#18930#18975
TOTALS30471230+1817
📊

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