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BOSTON MARATHON 2023

Shane Buzza

CA

Bib: 16835 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:50/mi
24:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:10/mi
49:44
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:02/mi
1:14:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:12/mi
1:40:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:45/mi
1:45:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:56/mi
2:04:42
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:29/mi
2:31:04
↑ 181↓ 1480.2%
138 ft elev
20M
8:51/mi
2:43:06
↑ 64↓ 500.2%
148 ft elev
21M
9:23/mi
2:52:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:35/mi
2:58:54
↑ 17↓ 861.7%
156 ft elev
23M
9:03/mi
3:10:14
↑ 23↓ 630.6%
116 ft elev
24M
9:24/mi
3:19:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:40/mi
3:27:54
↓ 200.3%
20 ft elev
25.2M
10:47/mi
3:31:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
15:43/mi
3:47:38
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:02:09
Pace9:19 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3924:217:5024:21
7:50
-
10K
6.21 mi11:47:0249:448:0025:23
8:10
+0:20
15K
9.32 mi12:12:001:14:428:0124:58
8:02
-0:08
20K
12.43 mi12:37:301:40:128:0425:30
8:12
+0:10
Half
13.11 mi12:42:471:45:298:035:17
7:45
-0:27
25K
15.53 mi13:02:002:04:428:0219:13
7:56
+0:11
30K
18.64 mi13:28:222:31:048:0626:22
8:29
+0:33
20M
20.00 mi13:40:242:43:068:0912:02
8:51
+0:22
21M
21.00 mi13:49:472:52:298:139:23
9:23
+0:32
35K
21.75 mi13:56:122:58:548:146:25
8:35
-0:48
23M
23.00 mi14:07:323:10:148:1611:20
9:03
+0:28
24M
24.00 mi14:16:563:19:388:199:24
9:24
+0:21
40K
24.85 mi14:25:123:27:548:228:16
9:40
+0:16
25.2M
25.20 mi14:28:553:31:378:243:43
10:47
+1:07
Finish
26.22 mi14:44:563:47:388:4116:01
15:43
+4:56

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

7:45 /mi

Average Pace

8:41 /mi

Slowest Pace

15:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:19:38

88% of race

Time at Slower Pace

28:00

12% of race

Average Pace: 8:41 /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 mi11:21:3924:217:5024:21
7:50
#12720
10K
6.21 mi11:47:0249:448:0025:23
8:10
#14417
15K
9.32 mi12:12:001:14:428:0124:58
8:02
#14452
20K
12.43 mi12:37:301:40:128:0425:30
8:12
#14575
Half
13.11 mi12:42:471:45:298:035:17
7:45
#14476
25K
15.53 mi13:02:002:04:428:0219:13
7:56
#14075
30K
18.64 mi13:28:222:31:048:0626:22
8:29
#14136
20M
20.00 mi13:40:242:43:068:0912:02
8:51
#14247
21M
21.00 mi13:49:472:52:298:139:23
9:23
#14301
35K
21.75 mi13:56:122:58:548:146:25
8:35
#14353
23M
23.00 mi14:07:323:10:148:1611:20
9:03
#14478
24M
24.00 mi14:16:563:19:388:199:24
9:24
#14704
40K
24.85 mi14:25:123:27:548:228:16
9:40
#14881
25.2M
25.20 mi14:28:553:31:378:243:43
10:47
#14993
Finish
26.22 mi14:44:563:47:388:4116:01
15:43
#16780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127209419941914687(Top 55%)10174(Top 67%)10174(Top 715%)
10K6.21 mi3.10 mi14417-169710106-68710106-68716039(Top 60%)10724(Top 71%)10724(Top 754%)
15K9.32 mi3.11 mi14452-35101061010614687(Top 55%)10174(Top 67%)10174(Top 715%)
20K12.43 mi3.11 mi14575-12310141-3510141-3515004(Top 56%)10272(Top 68%)10272(Top 722%)
Half13.11 mi0.68 mi14476+9910099+4210099+4212233(Top 46%)9187(Top 61%)9187(Top 646%)
25K15.53 mi2.42 mi14075+4019903+1969903+19612103(Top 45%)8955(Top 59%)8955(Top 630%)
30K18.64 mi3.11 mi14136-619896+79896+714228(Top 53%)9744(Top 64%)9744(Top 685%)
20M20.00 mi1.36 mi14247-1119906-109906-1015740(Top 59%)10311(Top 68%)10311(Top 725%)
21M21.00 mi1.00 mi14301-549901+59901+515389(Top 58%)10096(Top 67%)10096(Top 710%)
35K21.75 mi0.75 mi14353-529916-159916-1515709(Top 59%)10164(Top 67%)10164(Top 715%)
23M23.00 mi1.25 mi14478-1259946-309946-3016301(Top 61%)10370(Top 68%)10370(Top 729%)
24M24.00 mi1.00 mi14704-22610008-6210008-6218834(Top 71%)11458(Top 76%)11458(Top 806%)
40K24.85 mi0.85 mi14881-17710054-4610054-4618895(Top 71%)11433(Top 75%)11433(Top 804%)
25.2M25.20 mi0.35 mi14993-11210089-3510089-3519872(Top 75%)11851(Top 78%)11851(Top 833%)
Finish26.22 mi1.02 mi16780-178710810-72110810-72126547(Top 100%)15124(Top 100%)15124(Top 1064%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14687

Males

10174

M55-59

10174

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16039

Males

10724

M55-59

10724

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14687

Males

10174

M55-59

10174

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15004

Males

10272

M55-59

10272

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12233

Males

9187

M55-59

9187

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12103

Males

8955

M55-59

8955

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14228

Males

9744

M55-59

9744

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15740

Males

10311

M55-59

10311

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15389

Males

10096

M55-59

10096

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15709

Males

10164

M55-59

10164

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16301

Males

10370

M55-59

10370

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18834

Males

11458

M55-59

11458

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18895

Males

11433

M55-59

11433

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19872

Males

11851

M55-59

11851

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26547

Males

15124

M55-59

15124

Passing Analysis

Category:
Athletes Passed
1287
Passed By
5347
Net Change
-4060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12720
5K → 10K171714-1697#12720#14417
10K → 15K180215-35#14417#14452
15K → 20K147270-123#14452#14575
20K → Half1056+99#14575#14476
Half → 25K41110+401#14476#14075
25K → 30K170231-61#14075#14136
30K → 20M58169-111#14136#14247
20M → 21M56110-54#14247#14301
21M → 35K3284-52#14301#14353
35K → 23M44169-125#14353#14478
23M → 24M26252-226#14478#14704
24M → 40K29206-177#14704#14881
40K → 25.2M11123-112#14881#14993
25.2M → Finish11788-1787#14993#16780
TOTALS12875347-4060
📊

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