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BOSTON MARATHON 2023

Rocky Cianfrocca

Bib: 4007•M

WV

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 12%
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
6:45/mi
20:58
↑ 97↓ 3451.5%
10K· 6.21 mi
6:31/mi
41:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:28/mi
1:01:18
↑ 67↓ 78
20K· 12.43 mi
6:39/mi
1:21:58
↑ 106↓ 860.1%
Half· 13.11 mi
6:17/mi
1:26:15
↑ 19↓ 370.5%
25K· 15.53 mi
6:25/mi
1:41:49
↑ 66↓ 880.2%
30K· 18.64 mi
6:28/mi
2:01:56
↑ 181↓ 1480.2%
20M
6:27/mi
2:10:42
↑ 64↓ 500.2%
21M
6:49/mi
2:17:31
↑ 106↓ 241.6%
35K· 21.75 mi
6:28/mi
2:22:21
↑ 17↓ 861.7%
23M
6:37/mi
2:30:38
↑ 23↓ 630.6%
24M
6:23/mi
2:37:01
↓ 821.3%
40K· 24.85 mi
6:34/mi
2:42:38
↓ 200.3%
25.2M
7:00/mi
2:45:03
↑ 13↓ 160.2%
Finish· 26.22 mi
6:20/mi
2:51:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:15
Pace6:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:15
Pace6:30 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5920:586:4520:58
6:45
-
10K
6.21 mi10:43:1541:146:3820:16
6:31
-0:14
15K
9.32 mi11:03:191:01:186:3520:04
6:28
-0:03
20K
12.43 mi11:23:591:21:586:3620:40
6:39
+0:11
Half
13.11 mi11:28:161:26:156:354:17
6:17
-0:22
25K
15.53 mi11:43:501:41:496:3315:34
6:25
+0:08
30K
18.64 mi12:03:572:01:566:3220:07
6:28
+0:03
20M
20.00 mi12:12:432:10:426:328:46
6:27
-0:01
21M
21.00 mi12:19:322:17:316:336:49
6:49
+0:22
35K
21.75 mi12:24:222:22:216:334:50
6:28
-0:21
23M
23.00 mi12:32:392:30:386:338:17
6:37
+0:09
24M
24.00 mi12:39:022:37:016:336:23
6:23
-0:14
40K
24.85 mi12:44:392:42:386:335:37
6:34
+0:11
25.2M
25.20 mi12:47:042:45:036:332:25
7:00
+0:26
Finish
26.22 mi12:53:312:51:306:336:27
6:20
-0:40

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

6:17 /mi

Average Pace

6:33 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:05

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:22:5920:586:4520:58
6:45
#4090
10K
6.21 mi10:43:1541:146:3820:16
6:31
#3413
15K
9.32 mi11:03:191:01:186:3520:04
6:28
#3018
20K
12.43 mi11:23:591:21:586:3620:40
6:39
#3050
Half
13.11 mi11:28:161:26:156:354:17
6:17
#2942
25K
15.53 mi11:43:501:41:496:3315:34
6:25
#2704
30K
18.64 mi12:03:572:01:566:3220:07
6:28
#2426
20M
20.00 mi12:12:432:10:426:328:46
6:27
#2316
21M
21.00 mi12:19:322:17:316:336:49
6:49
#2250
35K
21.75 mi12:24:222:22:216:334:50
6:28
#2227
23M
23.00 mi12:32:392:30:386:338:17
6:37
#2181
24M
24.00 mi12:39:022:37:016:336:23
6:23
#2126
40K
24.85 mi12:44:392:42:386:335:37
6:34
#2096
25.2M
25.20 mi12:47:042:45:036:332:25
7:00
#2074
Finish
26.22 mi12:53:312:51:306:336:27
6:20
#2017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4090383538352402(Top 9%)2305(Top 15%)2305(Top 103%)
10K6.21 mi3.10 mi3413+6773227+6083227+6082924(Top 11%)2794(Top 18%)2794(Top 125%)
15K9.32 mi3.11 mi3018+3952877+3502877+3502402(Top 9%)2305(Top 15%)2305(Top 103%)
20K12.43 mi3.11 mi3050-322912-352912-353178(Top 12%)3019(Top 20%)3019(Top 135%)
Half13.11 mi0.68 mi2942+1082809+1032809+1031716(Top 6%)1646(Top 11%)1646(Top 73%)
25K15.53 mi2.42 mi2704+2382583+2262583+2261810(Top 7%)1733(Top 11%)1733(Top 77%)
30K18.64 mi3.11 mi2426+2782325+2582325+2581485(Top 6%)1421(Top 9%)1421(Top 63%)
20M20.00 mi1.36 mi2316+1102223+1022223+1021298(Top 5%)1237(Top 8%)1237(Top 55%)
21M21.00 mi1.00 mi2250+662157+662157+661467(Top 6%)1399(Top 9%)1399(Top 62%)
35K21.75 mi0.75 mi2227+232134+232134+232208(Top 8%)2095(Top 14%)2095(Top 93%)
23M23.00 mi1.25 mi2181+462090+442090+441827(Top 7%)1731(Top 11%)1731(Top 77%)
24M24.00 mi1.00 mi2126+552040+502040+501628(Top 6%)1541(Top 10%)1541(Top 69%)
40K24.85 mi0.85 mi2096+302010+302010+301791(Top 7%)1686(Top 11%)1686(Top 75%)
25.2M25.20 mi0.35 mi2074+221988+221988+221759(Top 7%)1652(Top 11%)1652(Top 74%)
Finish26.22 mi1.02 mi2017+571933+551933+551737(Top 7%)1633(Top 11%)1633(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2402

Males

2305

M40-44

2305

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2924

Males

2794

M40-44

2794

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2402

Males

2305

M40-44

2305

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3178

Males

3019

M40-44

3019

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1716

Males

1646

M40-44

1646

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1810

Males

1733

M40-44

1733

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1485

Males

1421

M40-44

1421

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1298

Males

1237

M40-44

1237

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1467

Males

1399

M40-44

1399

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2208

Males

2095

M40-44

2095

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1827

Males

1731

M40-44

1731

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1628

Males

1541

M40-44

1541

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1791

Males

1686

M40-44

1686

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1759

Males

1652

M40-44

1652

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1737

Males

1633

M40-44

1633

Passing Analysis

Category:
Athletes Passed
2274
Passed By
201
Net Change
+2073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4090
5K → 10K70730+677#4090#3413
10K → 15K3994+395#3413#3018
15K → 20K73105-32#3018#3050
20K → Half1091+108#3050#2942
Half → 25K2391+238#2942#2704
25K → 30K2802+278#2704#2426
30K → 20M1111+110#2426#2316
20M → 21M726+66#2316#2250
21M → 35K3411+23#2250#2227
35K → 23M5610+46#2227#2181
23M → 24M583+55#2181#2126
24M → 40K4313+30#2126#2096
40K → 25.2M242+22#2096#2074
25.2M → Finish6912+57#2074#2017
TOTALS2274201+2073
📊

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