Boston Marathon logo
BOSTON MARATHON 2023

Matthew D'Amaddio

Bib: 25915•M

FL

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
28:10
Rank: #20724
Start → 5K
28:10 | 9:04/mi
10K· 6.21 mi
55:38
Rank: #20430 (+294)
5K → 10K
27:28 | 8:50/mi
15K· 9.32 mi
1:23:05
Rank: #20182 (+248)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:50:40
Rank: #19881 (+301)
15K → 20K
27:35 | 8:53/mi
Half· 13.11 mi
1:56:34
Rank: #19814 (+67)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:18:26
Rank: #19678 (+136)
Half → 25K
21:52 | 9:01/mi
30K· 18.64 mi
2:48:06
Rank: #19671 (+7)
25K → 30K
29:40 | 9:33/mi
20M
3:00:57
Rank: #19591 (+80)
30K → 20M
12:51 | 9:27/mi
21M
3:10:56
Rank: #19481 (+110)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:17:29
Rank: #19368 (+113)
21M → 35K
6:33 | 8:45/mi
23M
3:29:19
Rank: #19305 (+63)
35K → 23M
11:50 | 9:27/mi
24M
3:38:15
Rank: #19204 (+101)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:46:01
Rank: #19110 (+94)
24M → 40K
7:46 | 9:05/mi
25.2M
3:49:26
Rank: #19078 (+32)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:58:25
Rank: #19023 (+55)
25.2M → Finish
8:59 | 8:49/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
Time1:56:34
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:01:51
Pace9:18 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1628:109:0428:10
9:04
-
10K
6.21 mi12:15:4455:388:5727:28
8:50
-0:14
15K
9.32 mi12:43:111:23:058:5527:27
8:50
0:00
20K
12.43 mi13:10:461:50:408:5427:35
8:53
+0:03
Half
13.11 mi13:16:401:56:348:535:54
8:39
-0:14
25K
15.53 mi13:38:322:18:268:5521:52
9:01
+0:22
30K
18.64 mi14:08:122:48:069:0129:40
9:33
+0:32
20M
20.00 mi14:21:033:00:579:0312:51
9:27
-0:06
21M
21.00 mi14:31:023:10:569:069:59
9:59
+0:32
35K
21.75 mi14:37:353:17:299:056:33
8:45
-1:14
23M
23.00 mi14:49:253:29:199:0611:50
9:27
+0:42
24M
24.00 mi14:58:213:38:159:068:56
8:56
-0:31
40K
24.85 mi15:06:073:46:019:067:46
9:05
+0:09
25.2M
25.20 mi15:09:323:49:269:063:25
9:54
+0:49
Finish
26.22 mi15:18:313:58:259:068:59
8:49
-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

8:39 /mi

Average Pace

9:06 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:21

82% of race

Time at Steady Pace

43:04

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi11:48:1628:109:0428:10
9:04
#20724
10K
6.21 mi12:15:4455:388:5727:28
8:50
#20430
15K
9.32 mi12:43:111:23:058:5527:27
8:50
#20182
20K
12.43 mi13:10:461:50:408:5427:35
8:53
#19881
Half
13.11 mi13:16:401:56:348:535:54
8:39
#19814
25K
15.53 mi13:38:322:18:268:5521:52
9:01
#19678
30K
18.64 mi14:08:122:48:069:0129:40
9:33
#19671
20M
20.00 mi14:21:033:00:579:0312:51
9:27
#19591
21M
21.00 mi14:31:023:10:569:069:59
9:59
#19481
35K
21.75 mi14:37:353:17:299:056:33
8:45
#19368
23M
23.00 mi14:49:253:29:199:0611:50
9:27
#19305
24M
24.00 mi14:58:213:38:159:068:56
8:56
#19204
40K
24.85 mi15:06:073:46:019:067:46
9:05
#19110
25.2M
25.20 mi15:09:323:49:269:063:25
9:54
#19078
Finish
26.22 mi15:18:313:58:259:068:59
8:49
#19023
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20724124711247119692(Top 74%)12167(Top 80%)12167(Top 230%)
10K6.21 mi3.10 mi20430+29412417+5412417+5420131(Top 76%)12335(Top 81%)12335(Top 233%)
15K9.32 mi3.11 mi20182+24812326+9112326+9119692(Top 74%)12167(Top 80%)12167(Top 230%)
20K12.43 mi3.11 mi19881+30112211+11512211+11519100(Top 72%)11930(Top 79%)11930(Top 226%)
Half13.11 mi0.68 mi19814+6712186+2512186+2518579(Top 70%)11740(Top 77%)11740(Top 222%)
25K15.53 mi2.42 mi19678+13612132+5412132+5419039(Top 72%)11862(Top 78%)11862(Top 224%)
30K18.64 mi3.11 mi19671+712117+1512117+1519602(Top 74%)12045(Top 79%)12045(Top 228%)
20M20.00 mi1.36 mi19591+8012073+4412073+4418685(Top 70%)11540(Top 76%)11540(Top 218%)
21M21.00 mi1.00 mi19481+11012011+6212011+6217959(Top 67%)11205(Top 74%)11205(Top 212%)
35K21.75 mi0.75 mi19368+11311961+5011961+5016702(Top 63%)10588(Top 70%)10588(Top 200%)
23M23.00 mi1.25 mi19305+6311928+3311928+3318130(Top 68%)11174(Top 74%)11174(Top 211%)
24M24.00 mi1.00 mi19204+10111877+5111877+5116918(Top 64%)10595(Top 70%)10595(Top 200%)
40K24.85 mi0.85 mi19110+9411825+5211825+5216565(Top 62%)10390(Top 68%)10390(Top 197%)
25.2M25.20 mi0.35 mi19078+3211810+1511810+1516989(Top 64%)10566(Top 70%)10566(Top 200%)
Finish26.22 mi1.02 mi19023+5511778+3211778+3217100(Top 64%)10657(Top 70%)10657(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19692

Males

12167

M18-39

12167

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20131

Males

12335

M18-39

12335

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19692

Males

12167

M18-39

12167

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19100

Males

11930

M18-39

11930

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18579

Males

11740

M18-39

11740

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19039

Males

11862

M18-39

11862

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19602

Males

12045

M18-39

12045

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18685

Males

11540

M18-39

11540

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17959

Males

11205

M18-39

11205

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16702

Males

10588

M18-39

10588

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18130

Males

11174

M18-39

11174

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16918

Males

10595

M18-39

10595

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16565

Males

10390

M18-39

10390

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16989

Males

10566

M18-39

10566

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17100

Males

10657

M18-39

10657

Passing Analysis

Category:
Athletes Passed
2410
Passed By
709
Net Change
+1701
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20724
5K → 10K493199+294#20724#20430
10K → 15K32880+248#20430#20182
15K → 20K34443+301#20182#19881
20K → Half692+67#19881#19814
Half → 25K19357+136#19814#19678
25K → 30K170163+7#19678#19671
30K → 20M11737+80#19671#19591
20M → 21M13222+110#19591#19481
21M → 35K1196+113#19481#19368
35K → 23M9835+63#19368#19305
23M → 24M11817+101#19305#19204
24M → 40K10915+94#19204#19110
40K → 25.2M408+32#19110#19078
25.2M → Finish8025+55#19078#19023
TOTALS2410709+1701
📊

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