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BOSTON MARATHON 2023

Matthew Antoniou

Bib: 9365•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:46/mi
27:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:46/mi
54:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:20:35
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:46:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:52:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:13:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:39:47
↑ 181↓ 1480.2%
20M
8:17/mi
2:51:02
↑ 64↓ 500.2%
21M
8:41/mi
2:59:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:05:53
↑ 17↓ 861.7%
23M
8:10/mi
3:16:06
↑ 23↓ 630.6%
24M
7:53/mi
3:23:59
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:31:07
↓ 200.3%
25.2M
8:56/mi
3:34:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:41:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:40
Pace8:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:03
Pace8:19 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1527:158:4627:15
8:46
-
10K
6.21 mi11:47:2954:298:4627:14
8:46
0:00
15K
9.32 mi12:13:351:20:358:3926:06
8:24
-0:22
20K
12.43 mi12:39:461:46:468:3526:11
8:26
+0:02
Half
13.11 mi12:45:401:52:408:365:54
8:39
+0:13
25K
15.53 mi13:06:102:13:108:3420:30
8:27
-0:12
30K
18.64 mi13:32:472:39:478:3426:37
8:34
+0:07
20M
20.00 mi13:44:022:51:028:3311:15
8:17
-0:17
21M
21.00 mi13:52:432:59:438:338:41
8:41
+0:24
35K
21.75 mi13:58:533:05:538:336:10
8:15
-0:26
23M
23.00 mi14:09:063:16:068:3210:13
8:10
-0:05
24M
24.00 mi14:16:593:23:598:307:53
7:53
-0:17
40K
24.85 mi14:24:073:31:078:307:08
8:21
+0:28
25.2M
25.20 mi14:27:123:34:128:303:05
8:56
+0:35
Finish
26.22 mi14:34:433:41:438:287:31
7:23
-1:33

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

7:23 /mi

Average Pace

8:28 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:37

12% of race

Time at Steady Pace

2:03:57

56% of race

Time at Slower Pace

1:12:09

33% of race

Average Pace: 8:27 /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 mi11:20:1527:158:4627:15
8:46
#19284
10K
6.21 mi11:47:2954:298:4627:14
8:46
#19491
15K
9.32 mi12:13:351:20:358:3926:06
8:24
#18722
20K
12.43 mi12:39:461:46:468:3526:11
8:26
#18152
Half
13.11 mi12:45:401:52:408:365:54
8:39
#18171
25K
15.53 mi13:06:102:13:108:3420:30
8:27
#17769
30K
18.64 mi13:32:472:39:478:3426:37
8:34
#17186
20M
20.00 mi13:44:022:51:028:3311:15
8:17
#16844
21M
21.00 mi13:52:432:59:438:338:41
8:41
#16540
35K
21.75 mi13:58:533:05:538:336:10
8:15
#16430
23M
23.00 mi14:09:063:16:068:3210:13
8:10
#16116
24M
24.00 mi14:16:593:23:598:307:53
7:53
#15878
40K
24.85 mi14:24:073:31:078:307:08
8:21
#15730
25.2M
25.20 mi14:27:123:34:128:303:05
8:56
#15673
Finish
26.22 mi14:34:433:41:438:287:31
7:23
#15369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi19284118821188217143(Top 64%)11106(Top 73%)11106(Top 541%)
10K6.21 mi3.10 mi19491-20712011-12912011-12919750(Top 74%)12181(Top 80%)12181(Top 594%)
15K9.32 mi3.11 mi18722+76911745+26611745+26617143(Top 64%)11106(Top 73%)11106(Top 541%)
20K12.43 mi3.11 mi18152+57011530+21511530+21516397(Top 62%)10786(Top 71%)10786(Top 526%)
Half13.11 mi0.68 mi18171-1911535-511535-518543(Top 70%)11704(Top 77%)11704(Top 570%)
25K15.53 mi2.42 mi17769+40211352+18311352+18315923(Top 60%)10508(Top 69%)10508(Top 512%)
30K18.64 mi3.11 mi17186+58311096+25611096+25614718(Top 55%)9941(Top 66%)9941(Top 484%)
20M20.00 mi1.36 mi16844+34210938+15810938+15812210(Top 46%)8802(Top 58%)8802(Top 429%)
21M21.00 mi1.00 mi16540+30410789+14910789+14911558(Top 43%)8377(Top 55%)8377(Top 408%)
35K21.75 mi0.75 mi16430+11010733+5610733+5613725(Top 52%)9298(Top 61%)9298(Top 453%)
23M23.00 mi1.25 mi16116+31410577+15610577+15610894(Top 41%)7919(Top 52%)7919(Top 386%)
24M24.00 mi1.00 mi15878+23810452+12510452+12510412(Top 39%)7621(Top 50%)7621(Top 371%)
40K24.85 mi0.85 mi15730+14810389+6310389+6312324(Top 46%)8480(Top 56%)8480(Top 413%)
25.2M25.20 mi0.35 mi15673+5710364+2510364+2512159(Top 46%)8353(Top 55%)8353(Top 407%)
Finish26.22 mi1.02 mi15369+30410222+14210222+1427632(Top 29%)5961(Top 39%)5961(Top 290%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17143

Males

11106

M50-54

11106

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19750

Males

12181

M50-54

12181

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17143

Males

11106

M50-54

11106

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16397

Males

10786

M50-54

10786

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18543

Males

11704

M50-54

11704

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15923

Males

10508

M50-54

10508

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14718

Males

9941

M50-54

9941

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12210

Males

8802

M50-54

8802

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11558

Males

8377

M50-54

8377

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13725

Males

9298

M50-54

9298

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10894

Males

7919

M50-54

7919

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10412

Males

7621

M50-54

7621

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12324

Males

8480

M50-54

8480

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12159

Males

8353

M50-54

8353

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7632

Males

5961

M50-54

5961

Passing Analysis

Category:
Athletes Passed
4469
Passed By
554
Net Change
+3915
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19284
5K → 10K234441-207#19284#19491
10K → 15K78920+769#19491#18722
15K → 20K58313+570#18722#18152
20K → Half2140-19#18152#18171
Half → 25K4086+402#18171#17769
25K → 30K59310+583#17769#17186
30K → 20M3420+342#17186#16844
20M → 21M3062+304#16844#16540
21M → 35K1177+110#16540#16430
35K → 23M3151+314#16430#16116
23M → 24M2402+238#16116#15878
24M → 40K1568+148#15878#15730
40K → 25.2M614+57#15730#15673
25.2M → Finish3040+304#15673#15369
TOTALS4469554+3915
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing