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BOSTON MARATHON 2023

Vincent Buffa

Bib: 26292•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
8:52/mi
27:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
55:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:57/mi
1:23:10
↑ 67↓ 78
20K· 12.43 mi
9:18/mi
1:52:03
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
1:58:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:49/mi
2:22:08
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
2:54:48
↑ 181↓ 1480.2%
20M
14:23/mi
3:14:21
↑ 64↓ 500.2%
21M
14:06/mi
3:28:27
↑ 106↓ 241.6%
35K· 21.75 mi
13:46/mi
3:38:45
↑ 17↓ 861.7%
23M
11:58/mi
3:53:44
↑ 23↓ 630.6%
24M
11:51/mi
4:05:35
↓ 821.3%
40K· 24.85 mi
14:51/mi
4:18:17
↓ 200.3%
25.2M
11:21/mi
4:22:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
4:30:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:19
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:32:12
Pace11:37 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0827:338:5227:33
8:52
-
10K
6.21 mi12:11:5655:218:5427:48
8:57
+0:05
15K
9.32 mi12:39:451:23:108:5527:49
8:57
0:00
20K
12.43 mi13:08:381:52:039:0128:53
9:18
+0:21
Half
13.11 mi13:14:541:58:199:026:16
9:11
-0:07
25K
15.53 mi13:38:432:22:089:0923:49
9:49
+0:38
30K
18.64 mi14:11:232:54:489:2332:40
10:31
+0:42
20M
20.00 mi14:30:563:14:219:4319:33
14:23
+3:52
21M
21.00 mi14:45:023:28:279:5614:06
14:06
-0:17
35K
21.75 mi14:55:203:38:4510:0410:18
13:46
-0:20
23M
23.00 mi15:10:193:53:4410:1014:59
11:58
-1:48
24M
24.00 mi15:22:104:05:3510:1411:51
11:51
-0:07
40K
24.85 mi15:34:524:18:1710:2412:42
14:51
+3:00
25.2M
25.20 mi15:38:474:22:1210:243:55
11:21
-3:30
Finish
26.22 mi15:47:064:30:3110:208:19
8:10
-3:11

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

8:10 /mi

Average Pace

10:20 /mi

Slowest Pace

14:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:38

47% of race

Time at Steady Pace

1:00:24

22% of race

Time at Slower Pace

1:23:29

31% of race

Average Pace: 10:19 /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 mi11:44:0827:338:5227:33
8:52
#19833
10K
6.21 mi12:11:5655:218:5427:48
8:57
#20243
15K
9.32 mi12:39:451:23:108:5527:49
8:57
#20230
20K
12.43 mi13:08:381:52:039:0128:53
9:18
#20437
Half
13.11 mi13:14:541:58:199:026:16
9:11
#20474
25K
15.53 mi13:38:432:22:089:0923:49
9:49
#20761
30K
18.64 mi14:11:232:54:489:2332:40
10:31
#21100
20M
20.00 mi14:30:563:14:219:4319:33
14:23
#21924
21M
21.00 mi14:45:023:28:279:5614:06
14:06
#22233
35K
21.75 mi14:55:203:38:4510:0410:18
13:46
#22511
23M
23.00 mi15:10:193:53:4410:1014:59
11:58
#22613
24M
24.00 mi15:22:104:05:3510:1411:51
11:51
#22714
40K
24.85 mi15:34:524:18:1710:2412:42
14:51
#22961
25.2M
25.20 mi15:38:474:22:1210:243:55
11:21
#22938
Finish
26.22 mi15:47:064:30:3110:208:19
8:10
#22771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19833121061210620279(Top 76%)12428(Top 82%)12428(Top 235%)
10K6.21 mi3.10 mi20243-41012334-22812334-22820676(Top 78%)12579(Top 83%)12579(Top 238%)
15K9.32 mi3.11 mi20230+1312346-1212346-1220279(Top 76%)12428(Top 82%)12428(Top 235%)
20K12.43 mi3.11 mi20437-20712449-10312449-10320947(Top 79%)12723(Top 84%)12723(Top 241%)
Half13.11 mi0.68 mi20474-3712472-2312472-2321103(Top 79%)12782(Top 84%)12782(Top 242%)
25K15.53 mi2.42 mi20761-28712610-13812610-13821788(Top 82%)13051(Top 86%)13051(Top 247%)
30K18.64 mi3.11 mi21100-33912740-13012740-13022244(Top 84%)13183(Top 87%)13183(Top 249%)
20M20.00 mi1.36 mi21924-82413098-35813098-35826039(Top 98%)14870(Top 98%)14870(Top 281%)
21M21.00 mi1.00 mi22233-30913224-12613224-12625110(Top 94%)14420(Top 95%)14420(Top 273%)
35K21.75 mi0.75 mi22511-27813340-11613340-11626044(Top 98%)14865(Top 98%)14865(Top 281%)
23M23.00 mi1.25 mi22613-10213375-3513375-3523951(Top 90%)13831(Top 91%)13831(Top 262%)
24M24.00 mi1.00 mi22714-10113408-3313408-3324326(Top 91%)13963(Top 92%)13963(Top 264%)
40K24.85 mi0.85 mi22961-24713517-10913517-10926091(Top 98%)14852(Top 98%)14852(Top 281%)
25.2M25.20 mi0.35 mi22938+2313506+1113506+1121240(Top 80%)12506(Top 82%)12506(Top 237%)
Finish26.22 mi1.02 mi22771+16713424+8213424+8213180(Top 50%)8876(Top 58%)8876(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20279

Males

12428

M18-39

12428

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20676

Males

12579

M18-39

12579

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20279

Males

12428

M18-39

12428

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20947

Males

12723

M18-39

12723

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21103

Males

12782

M18-39

12782

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21788

Males

13051

M18-39

13051

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22244

Males

13183

M18-39

13183

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26039

Males

14870

M18-39

14870

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25110

Males

14420

M18-39

14420

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26044

Males

14865

M18-39

14865

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23951

Males

13831

M18-39

13831

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24326

Males

13963

M18-39

13963

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26091

Males

14852

M18-39

14852

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21240

Males

12506

M18-39

12506

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13180

Males

8876

M18-39

8876

Passing Analysis

Category:
Athletes Passed
814
Passed By
3752
Net Change
-2938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19833
5K → 10K150560-410#19833#20243
10K → 15K183170+13#20243#20230
15K → 20K107314-207#20230#20437
20K → Half1754-37#20437#20474
Half → 25K34321-287#20474#20761
25K → 30K62401-339#20761#21100
30K → 20M6830-824#21100#21924
20M → 21M8317-309#21924#22233
21M → 35K6284-278#22233#22511
35K → 23M34136-102#22511#22613
23M → 24M11112-101#22613#22714
24M → 40K3250-247#22714#22961
40K → 25.2M263+23#22961#22938
25.2M → Finish1670+167#22938#22771
TOTALS8143752-2938
📊

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