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BOSTON MARATHON 2023

Ary Carlos Santos

Bib: P109•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M45-49)
#0 / 2252
Top 2%
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
6:00/mi
18:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:00/mi
37:18
↑ 79↓ 1380.4%
15K· 9.32 mi
6:04/mi
56:10
↑ 67↓ 78
20K· 12.43 mi
6:11/mi
1:15:22
↑ 106↓ 860.1%
Half· 13.11 mi
5:59/mi
1:19:27
↑ 19↓ 370.5%
25K· 15.53 mi
6:15/mi
1:34:37
↑ 66↓ 880.2%
30K· 18.64 mi
6:27/mi
1:54:40
↑ 181↓ 1480.2%
20M
6:32/mi
2:03:33
↑ 64↓ 500.2%
21M
7:03/mi
2:10:36
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:15:29
↑ 17↓ 861.7%
23M
6:49/mi
2:24:01
↑ 23↓ 630.6%
24M
6:39/mi
2:30:40
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:36:29
↓ 200.3%
25.2M
7:53/mi
2:39:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
2:46:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:27
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:26:48
Pace6:37 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:08:3918:386:0018:38
6:00
-
10K
6.21 mi10:27:1937:186:0018:40
6:00
0:00
15K
9.32 mi10:46:1156:106:0218:52
6:04
+0:04
20K
12.43 mi11:05:231:15:226:0419:12
6:11
+0:07
Half
13.11 mi11:09:281:19:276:044:05
5:59
-0:12
25K
15.53 mi11:24:381:34:376:0515:10
6:15
+0:16
30K
18.64 mi11:44:411:54:406:0920:03
6:27
+0:12
20M
20.00 mi11:53:342:03:336:118:53
6:32
+0:05
21M
21.00 mi12:00:372:10:366:137:03
7:03
+0:31
35K
21.75 mi12:05:302:15:296:144:53
6:32
-0:31
23M
23.00 mi12:14:022:24:016:168:32
6:49
+0:17
24M
24.00 mi12:20:412:30:406:176:39
6:39
-0:10
40K
24.85 mi12:26:302:36:296:185:49
6:48
+0:09
25.2M
25.20 mi12:29:132:39:126:192:43
7:53
+1:05
Finish
26.22 mi12:36:162:46:156:217:03
6:55
-0:58

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

5:59 /mi

Average Pace

6:21 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:37

57% of race

Time at Steady Pace

40:28

24% of race

Time at Slower Pace

31:10

19% of race

Average Pace: 6:20 /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 mi10:08:3918:386:0018:38
6:00
#688
10K
6.21 mi10:27:1937:186:0018:40
6:00
#740
15K
9.32 mi10:46:1156:106:0218:52
6:04
#775
20K
12.43 mi11:05:231:15:226:0419:12
6:11
#809
Half
13.11 mi11:09:281:19:276:044:05
5:59
#802
25K
15.53 mi11:24:381:34:376:0515:10
6:15
#843
30K
18.64 mi11:44:411:54:406:0920:03
6:27
#900
20M
20.00 mi11:53:342:03:336:118:53
6:32
#922
21M
21.00 mi12:00:372:10:366:137:03
7:03
#955
35K
21.75 mi12:05:302:15:296:144:53
6:32
#980
23M
23.00 mi12:14:022:24:016:168:32
6:49
#1030
24M
24.00 mi12:20:412:30:406:176:39
6:39
#1079
40K
24.85 mi12:26:302:36:296:185:49
6:48
#1114
25.2M
25.20 mi12:29:132:39:126:192:43
7:53
#1150
Finish
26.22 mi12:36:162:46:156:217:03
6:55
#1235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi688643643893(Top 3%)845(Top 6%)845(Top 38%)
10K6.21 mi3.10 mi740-52696-53696-53820(Top 3%)774(Top 5%)774(Top 34%)
15K9.32 mi3.11 mi775-35731-35731-35893(Top 3%)845(Top 6%)845(Top 38%)
20K12.43 mi3.11 mi809-34764-33764-33998(Top 4%)948(Top 6%)948(Top 42%)
Half13.11 mi0.68 mi802+7757+7757+7745(Top 3%)704(Top 5%)704(Top 31%)
25K15.53 mi2.42 mi843-41796-39796-391167(Top 4%)1113(Top 7%)1113(Top 49%)
30K18.64 mi3.11 mi900-57852-56852-561387(Top 5%)1328(Top 9%)1328(Top 59%)
20M20.00 mi1.36 mi922-22875-23875-231570(Top 6%)1498(Top 10%)1498(Top 67%)
21M21.00 mi1.00 mi955-33908-33908-332347(Top 9%)2216(Top 15%)2216(Top 98%)
35K21.75 mi0.75 mi980-25933-25933-252504(Top 9%)2363(Top 16%)2363(Top 105%)
23M23.00 mi1.25 mi1030-50979-46979-462711(Top 10%)2537(Top 17%)2537(Top 113%)
24M24.00 mi1.00 mi1079-491027-481027-482800(Top 11%)2601(Top 17%)2601(Top 115%)
40K24.85 mi0.85 mi1114-351062-351062-352795(Top 10%)2569(Top 17%)2569(Top 114%)
25.2M25.20 mi0.35 mi1150-361096-341096-345674(Top 21%)4694(Top 31%)4694(Top 208%)
Finish26.22 mi1.02 mi1235-851178-821178-824697(Top 18%)4052(Top 27%)4052(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

893

Males

845

M45-49

845

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

820

Males

774

M45-49

774

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

893

Males

845

M45-49

845

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

998

Males

948

M45-49

948

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

745

Males

704

M45-49

704

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1167

Males

1113

M45-49

1113

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1387

Males

1328

M45-49

1328

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1570

Males

1498

M45-49

1498

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2347

Males

2216

M45-49

2216

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2504

Males

2363

M45-49

2363

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2711

Males

2537

M45-49

2537

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2800

Males

2601

M45-49

2601

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2795

Males

2569

M45-49

2569

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5674

Males

4694

M45-49

4694

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4697

Males

4052

M45-49

4052

Passing Analysis

Category:
Athletes Passed
112
Passed By
659
Net Change
-547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#688
5K → 10K1365-52#688#740
10K → 15K742-35#740#775
15K → 20K1549-34#775#809
20K → Half70+7#809#802
Half → 25K1960-41#802#843
25K → 30K1168-57#843#900
30K → 20M931-22#900#922
20M → 21M639-33#922#955
21M → 35K429-25#955#980
35K → 23M757-50#980#1030
23M → 24M352-49#1030#1079
24M → 40K843-35#1079#1114
40K → 25.2M137-36#1114#1150
25.2M → Finish287-85#1150#1235
TOTALS112659-547
📊

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