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BOSTON MARATHON 2023

Paul Izzo

Bib: 8134•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Masters (Masters Men)
#0 / 9891
Top 22%
Division (M40-44)
#0 / 2241
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:00
Rank: #6752
Start → 5K
22:00 | 7:05/mi
10K· 6.21 mi
44:22
Rank: #7359 (-607)
5K → 10K
22:22 | 7:12/mi
15K· 9.32 mi
1:06:52
Rank: #7575 (-216)
10K → 15K
22:30 | 7:15/mi
20K· 12.43 mi
1:29:41
Rank: #7662 (-87)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:34:38
Rank: #7688 (-26)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:52:33
Rank: #7688
Half → 25K
17:55 | 7:23/mi
30K· 18.64 mi
2:15:09
Rank: #7290 (+398)
25K → 30K
22:36 | 7:16/mi
20M
2:24:58
Rank: #7105 (+185)
30K → 20M
9:49 | 7:13/mi
21M
2:32:31
Rank: #6934 (+171)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:37:37
Rank: #6826 (+108)
21M → 35K
5:06 | 6:49/mi
23M
2:46:10
Rank: #6551 (+275)
35K → 23M
8:33 | 6:50/mi
24M
2:52:58
Rank: #6364 (+187)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:59:11
Rank: #6286 (+78)
24M → 40K
6:13 | 7:16/mi
25.2M
3:01:56
Rank: #6277 (+9)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:08:56
Rank: #6173 (+104)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:38
Pace7:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:18
Pace7:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1822:007:0522:00
7:05
-
10K
6.21 mi11:09:4044:227:0822:22
7:12
+0:07
15K
9.32 mi11:32:101:06:527:1022:30
7:15
+0:03
20K
12.43 mi11:54:591:29:417:1322:49
7:21
+0:06
Half
13.11 mi11:59:561:34:387:134:57
7:15
-0:06
25K
15.53 mi12:17:511:52:337:1517:55
7:23
+0:08
30K
18.64 mi12:40:272:15:097:1522:36
7:16
-0:07
20M
20.00 mi12:50:162:24:587:159:49
7:13
-0:03
21M
21.00 mi12:57:492:32:317:167:33
7:33
+0:20
35K
21.75 mi13:02:552:37:377:155:06
6:49
-0:44
23M
23.00 mi13:11:282:46:107:138:33
6:50
+0:01
24M
24.00 mi13:18:162:52:587:126:48
6:48
-0:02
40K
24.85 mi13:24:292:59:117:136:13
7:16
+0:28
25.2M
25.20 mi13:27:143:01:567:132:45
7:58
+0:42
Finish
26.22 mi13:34:143:08:567:137:00
6:52
-1:06

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

6:48 /mi

Average Pace

7:13 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:38

95% of race

Time at Steady Pace

10:18

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:47:1822:007:0522:00
7:05
#6752
10K
6.21 mi11:09:4044:227:0822:22
7:12
#7359
15K
9.32 mi11:32:101:06:527:1022:30
7:15
#7575
20K
12.43 mi11:54:591:29:417:1322:49
7:21
#7662
Half
13.11 mi11:59:561:34:387:134:57
7:15
#7688
25K
15.53 mi12:17:511:52:337:1517:55
7:23
#7688
30K
18.64 mi12:40:272:15:097:1522:36
7:16
#7290
20M
20.00 mi12:50:162:24:587:159:49
7:13
#7105
21M
21.00 mi12:57:492:32:317:167:33
7:33
#6934
35K
21.75 mi13:02:552:37:377:155:06
6:49
#6826
23M
23.00 mi13:11:282:46:107:138:33
6:50
#6551
24M
24.00 mi13:18:162:52:587:126:48
6:48
#6364
40K
24.85 mi13:24:292:59:117:136:13
7:16
#6286
25.2M
25.20 mi13:27:143:01:567:132:45
7:58
#6277
Finish
26.22 mi13:34:143:08:567:137:00
6:52
#6173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6752608960898081(Top 30%)6968(Top 46%)6968(Top 311%)
10K6.21 mi3.10 mi7359-6076526-4376526-4378071(Top 30%)6987(Top 46%)6987(Top 312%)
15K9.32 mi3.11 mi7575-2166670-1446670-1448081(Top 30%)6968(Top 46%)6968(Top 311%)
20K12.43 mi3.11 mi7662-876715-456715-458093(Top 30%)6945(Top 46%)6945(Top 310%)
Half13.11 mi0.68 mi7688-266734-196734-198178(Top 31%)6992(Top 46%)6992(Top 312%)
25K15.53 mi2.42 mi76886716+186716+187905(Top 30%)6734(Top 44%)6734(Top 300%)
30K18.64 mi3.11 mi7290+3986420+2966420+2965894(Top 22%)5299(Top 35%)5299(Top 236%)
20M20.00 mi1.36 mi7105+1856284+1366284+1365247(Top 20%)4739(Top 31%)4739(Top 211%)
21M21.00 mi1.00 mi6934+1716143+1416143+1414834(Top 18%)4361(Top 29%)4361(Top 195%)
35K21.75 mi0.75 mi6826+1086058+856058+854346(Top 16%)3981(Top 26%)3981(Top 178%)
23M23.00 mi1.25 mi6551+2755835+2235835+2232847(Top 11%)2663(Top 18%)2663(Top 119%)
24M24.00 mi1.00 mi6364+1875684+1515684+1513677(Top 14%)3376(Top 22%)3376(Top 151%)
40K24.85 mi0.85 mi6286+785614+705614+705246(Top 20%)4507(Top 30%)4507(Top 201%)
25.2M25.20 mi0.35 mi6277+95600+145600+146295(Top 24%)5131(Top 34%)5131(Top 229%)
Finish26.22 mi1.02 mi6173+1045508+925508+924454(Top 17%)3887(Top 26%)3887(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8081

Males

6968

M40-44

6968

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8071

Males

6987

M40-44

6987

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8081

Males

6968

M40-44

6968

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8093

Males

6945

M40-44

6945

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8178

Males

6992

M40-44

6992

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7905

Males

6734

M40-44

6734

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5894

Males

5299

M40-44

5299

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5247

Males

4739

M40-44

4739

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4834

Males

4361

M40-44

4361

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4346

Males

3981

M40-44

3981

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2847

Males

2663

M40-44

2663

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3677

Males

3376

M40-44

3376

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5246

Males

4507

M40-44

4507

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6295

Males

5131

M40-44

5131

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4454

Males

3887

M40-44

3887

Passing Analysis

Category:
Athletes Passed
1863
Passed By
1284
Net Change
+579
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6752
5K → 10K40647-607#6752#7359
10K → 15K61277-216#7359#7575
15K → 20K83170-87#7575#7662
20K → Half1642-26#7662#7688
Half → 25K93930#7688#7688
25K → 30K4046+398#7688#7290
30K → 20M1850+185#7290#7105
20M → 21M1787+171#7105#6934
21M → 35K1080+108#6934#6826
35K → 23M2761+275#6826#6551
23M → 24M1881+187#6551#6364
24M → 40K9113+78#6364#6286
40K → 25.2M2819+9#6286#6277
25.2M → Finish1128+104#6277#6173
TOTALS18631284+579
📊

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