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BOSTON MARATHON 2023

Tom Dinzeo

Bib: 11516•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:06
Rank: #11959
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
47:05
Rank: #10698 (+1261)
5K → 10K
22:59 | 7:24/mi
15K· 9.32 mi
1:10:20
Rank: #10457 (+241)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:33:44
Rank: #10210 (+247)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:38:51
Rank: #10195 (+15)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:57:20
Rank: #10070 (+125)
Half → 25K
18:29 | 7:37/mi
30K· 18.64 mi
2:21:33
Rank: #9924 (+146)
25K → 30K
24:13 | 7:48/mi
20M
2:31:58
Rank: #9717 (+207)
30K → 20M
10:25 | 7:40/mi
21M
2:39:53
Rank: #9535 (+182)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:45:32
Rank: #9501 (+34)
21M → 35K
5:39 | 7:33/mi
23M
2:55:05
Rank: #9298 (+203)
35K → 23M
9:33 | 7:38/mi
24M
3:02:30
Rank: #9183 (+115)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
3:09:02
Rank: #9101 (+82)
24M → 40K
6:32 | 7:38/mi
25.2M
3:11:50
Rank: #9066 (+35)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:19:02
Rank: #8891 (+175)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:51
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:40:11
Pace7:39 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5924:067:4524:06
7:45
-
10K
6.21 mi11:13:5847:057:3522:59
7:24
-0:21
15K
9.32 mi11:37:131:10:207:3323:15
7:29
+0:05
20K
12.43 mi12:00:371:33:447:3323:24
7:32
+0:03
Half
13.11 mi12:05:441:38:517:325:07
7:30
-0:02
25K
15.53 mi12:24:131:57:207:3318:29
7:37
+0:07
30K
18.64 mi12:48:262:21:337:3624:13
7:48
+0:11
20M
20.00 mi12:58:512:31:587:3610:25
7:40
-0:08
21M
21.00 mi13:06:462:39:537:377:55
7:55
+0:15
35K
21.75 mi13:12:252:45:327:375:39
7:33
-0:22
23M
23.00 mi13:21:582:55:057:379:33
7:38
+0:05
24M
24.00 mi13:29:233:02:307:367:25
7:25
-0:13
40K
24.85 mi13:35:553:09:027:366:32
7:38
+0:13
25.2M
25.20 mi13:38:433:11:507:372:48
8:07
+0:29
Finish
26.22 mi13:45:553:19:027:367:12
7:04
-1:03

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

7:04 /mi

Average Pace

7:36 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:06

82% of race

Time at Steady Pace

34:56

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:50:5924:067:4524:06
7:45
#11959
10K
6.21 mi11:13:5847:057:3522:59
7:24
#10698
15K
9.32 mi11:37:131:10:207:3323:15
7:29
#10457
20K
12.43 mi12:00:371:33:447:3323:24
7:32
#10210
Half
13.11 mi12:05:441:38:517:325:07
7:30
#10195
25K
15.53 mi12:24:131:57:207:3318:29
7:37
#10070
30K
18.64 mi12:48:262:21:337:3624:13
7:48
#9924
20M
20.00 mi12:58:512:31:587:3610:25
7:40
#9717
21M
21.00 mi13:06:462:39:537:377:55
7:55
#9535
35K
21.75 mi13:12:252:45:327:375:39
7:33
#9501
23M
23.00 mi13:21:582:55:057:379:33
7:38
#9298
24M
24.00 mi13:29:233:02:307:367:25
7:25
#9183
40K
24.85 mi13:35:553:09:027:366:32
7:38
#9101
25.2M
25.20 mi13:38:433:11:507:372:48
8:07
#9066
Finish
26.22 mi13:45:553:19:027:367:12
7:04
#8891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119599091909110033(Top 38%)8159(Top 54%)8159(Top 362%)
10K6.21 mi3.10 mi10698+12618509+5828509+5829590(Top 36%)7918(Top 52%)7918(Top 352%)
15K9.32 mi3.11 mi10457+2418399+1108399+11010033(Top 38%)8159(Top 54%)8159(Top 362%)
20K12.43 mi3.11 mi10210+2478265+1348265+1349545(Top 36%)7822(Top 52%)7822(Top 347%)
Half13.11 mi0.68 mi10195+158252+138252+1310155(Top 38%)8167(Top 54%)8167(Top 363%)
25K15.53 mi2.42 mi10070+1258163+898163+899703(Top 36%)7816(Top 52%)7816(Top 347%)
30K18.64 mi3.11 mi9924+1468050+1138050+1139304(Top 35%)7453(Top 49%)7453(Top 331%)
20M20.00 mi1.36 mi9717+2077906+1447906+1447927(Top 30%)6553(Top 43%)6553(Top 291%)
21M21.00 mi1.00 mi9535+1827777+1297777+1296833(Top 26%)5767(Top 38%)5767(Top 256%)
35K21.75 mi0.75 mi9501+347739+387739+388887(Top 33%)7011(Top 46%)7011(Top 311%)
23M23.00 mi1.25 mi9298+2037593+1467593+1467261(Top 27%)5988(Top 39%)5988(Top 266%)
24M24.00 mi1.00 mi9183+1157504+897504+897165(Top 27%)5815(Top 38%)5815(Top 258%)
40K24.85 mi0.85 mi9101+827434+707434+707560(Top 28%)5972(Top 39%)5972(Top 265%)
25.2M25.20 mi0.35 mi9066+357409+257409+257200(Top 27%)5714(Top 38%)5714(Top 254%)
Finish26.22 mi1.02 mi8891+1757279+1307279+1305623(Top 21%)4677(Top 31%)4677(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10033

Males

8159

M45-49

8159

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9590

Males

7918

M45-49

7918

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10033

Males

8159

M45-49

8159

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9545

Males

7822

M45-49

7822

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10155

Males

8167

M45-49

8167

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9703

Males

7816

M45-49

7816

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9304

Males

7453

M45-49

7453

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7927

Males

6553

M45-49

6553

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6833

Males

5767

M45-49

5767

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8887

Males

7011

M45-49

7011

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7261

Males

5988

M45-49

5988

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7165

Males

5815

M45-49

5815

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7560

Males

5972

M45-49

5972

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7200

Males

5714

M45-49

5714

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5623

Males

4677

M45-49

4677

Passing Analysis

Category:
Athletes Passed
3503*
Passed By
435
Net Change
+3068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11959
5K → 10K129231+1261#11959#10698
10K → 15K33695+241#10698#10457
15K → 20K286*39+247#10457#10210
20K → Half4025+15#10210#10195
Half → 25K19065+125#10195#10070
25K → 30K234*88+146#10070#9924
30K → 20M2147+207#9924#9717
20M → 21M1908+182#9717#9535
21M → 35K6531+34#9535#9501
35K → 23M2129+203#9501#9298
23M → 24M12611+115#9298#9183
24M → 40K9614+82#9183#9101
40K → 25.2M405+35#9101#9066
25.2M → Finish1827+175#9066#8891
TOTALS3503*435+3068

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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