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BOSTON MARATHON 2023

Sam Renikoff

Bib: 3233•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3890
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:06
Rank: #3256 (+634)
5K → 10K
20:12 | 6:30/mi
15K· 9.32 mi
1:01:20
Rank: #3047 (+209)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:44
Rank: #2909 (+138)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:26:12
Rank: #2911 (-2)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:07
Rank: #2815 (+96)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:02:47
Rank: #2678 (+137)
25K → 30K
20:40 | 6:39/mi
20M
2:11:45
Rank: #2581 (+97)
30K → 20M
8:58 | 6:36/mi
21M
2:18:35
Rank: #2480 (+101)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:23:15
Rank: #2409 (+71)
21M → 35K
4:40 | 6:14/mi
23M
2:31:16
Rank: #2302 (+107)
35K → 23M
8:01 | 6:24/mi
24M
2:37:29
Rank: #2222 (+80)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:42:54
Rank: #2144 (+78)
24M → 40K
5:25 | 6:20/mi
25.2M
2:45:12
Rank: #2102 (+42)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:51:16
Rank: #1977 (+125)
25.2M → Finish
6:04 | 5:57/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:12
Pace6:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:04
Pace6:29 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2920:546:4420:54
6:44
-
10K
6.21 mi10:42:4141:066:3720:12
6:30
-0:14
15K
9.32 mi11:02:551:01:206:3520:14
6:31
+0:01
20K
12.43 mi11:23:191:21:446:3520:24
6:34
+0:03
Half
13.11 mi11:27:471:26:126:354:28
6:33
-0:01
25K
15.53 mi11:43:421:42:076:3415:55
6:34
+0:01
30K
18.64 mi12:04:222:02:476:3520:40
6:39
+0:05
20M
20.00 mi12:13:202:11:456:358:58
6:36
-0:03
21M
21.00 mi12:20:102:18:356:366:50
6:50
+0:14
35K
21.75 mi12:24:502:23:156:354:40
6:14
-0:36
23M
23.00 mi12:32:512:31:166:358:01
6:24
+0:10
24M
24.00 mi12:39:042:37:296:346:13
6:13
-0:11
40K
24.85 mi12:44:292:42:546:335:25
6:20
+0:07
25.2M
25.20 mi12:46:472:45:126:332:18
6:40
+0:20
Finish
26.22 mi12:52:512:51:166:326:04
5:57
-0:43

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

5:57 /mi

Average Pace

6:32 /mi

Slowest Pace

6:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:49

41% of race

Time at Steady Pace

1:40:27

59% 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 mi10:22:2920:546:4420:54
6:44
#3890
10K
6.21 mi10:42:4141:066:3720:12
6:30
#3256
15K
9.32 mi11:02:551:01:206:3520:14
6:31
#3047
20K
12.43 mi11:23:191:21:446:3520:24
6:34
#2909
Half
13.11 mi11:27:471:26:126:354:28
6:33
#2911
25K
15.53 mi11:43:421:42:076:3415:55
6:34
#2815
30K
18.64 mi12:04:222:02:476:3520:40
6:39
#2678
20M
20.00 mi12:13:202:11:456:358:58
6:36
#2581
21M
21.00 mi12:20:102:18:356:366:50
6:50
#2480
35K
21.75 mi12:24:502:23:156:354:40
6:14
#2409
23M
23.00 mi12:32:512:31:166:358:01
6:24
#2302
24M
24.00 mi12:39:042:37:296:346:13
6:13
#2222
40K
24.85 mi12:44:292:42:546:335:25
6:20
#2144
25.2M
25.20 mi12:46:472:45:126:332:18
6:40
#2102
Finish
26.22 mi12:52:512:51:166:326:04
5:57
#1977
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3890365136512699(Top 10%)2578(Top 17%)2578(Top 49%)
10K6.21 mi3.10 mi3256+6343086+5653086+5652788(Top 10%)2664(Top 18%)2664(Top 50%)
15K9.32 mi3.11 mi3047+2092904+1822904+1822699(Top 10%)2578(Top 17%)2578(Top 49%)
20K12.43 mi3.11 mi2909+1382779+1252779+1252636(Top 10%)2520(Top 17%)2520(Top 48%)
Half13.11 mi0.68 mi2911-2277927793015(Top 11%)2880(Top 19%)2880(Top 54%)
25K15.53 mi2.42 mi2815+962691+882691+882496(Top 9%)2387(Top 16%)2387(Top 45%)
30K18.64 mi3.11 mi2678+1372558+1332558+1332178(Top 8%)2079(Top 14%)2079(Top 39%)
20M20.00 mi1.36 mi2581+972465+932465+931847(Top 7%)1760(Top 12%)1760(Top 33%)
21M21.00 mi1.00 mi2480+1012375+902375+901524(Top 6%)1453(Top 10%)1453(Top 27%)
35K21.75 mi0.75 mi2409+712307+682307+681380(Top 5%)1310(Top 9%)1310(Top 25%)
23M23.00 mi1.25 mi2302+1072206+1012206+1011122(Top 4%)1062(Top 7%)1062(Top 20%)
24M24.00 mi1.00 mi2222+802132+742132+741086(Top 4%)1028(Top 7%)1028(Top 19%)
40K24.85 mi0.85 mi2144+782058+742058+741017(Top 4%)964(Top 6%)964(Top 18%)
25.2M25.20 mi0.35 mi2102+422016+422016+42858(Top 3%)819(Top 5%)819(Top 15%)
Finish26.22 mi1.02 mi1977+1251893+1231893+123641(Top 2%)610(Top 4%)610(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2699

Males

2578

M18-39

2578

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2788

Males

2664

M18-39

2664

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2699

Males

2578

M18-39

2578

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2636

Males

2520

M18-39

2520

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3015

Males

2880

M18-39

2880

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2496

Males

2387

M18-39

2387

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2178

Males

2079

M18-39

2079

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1847

Males

1760

M18-39

1760

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1524

Males

1453

M18-39

1453

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1380

Males

1310

M18-39

1310

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1122

Males

1062

M18-39

1062

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1086

Males

1028

M18-39

1028

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1017

Males

964

M18-39

964

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

858

Males

819

M18-39

819

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

641

Males

610

M18-39

610

Passing Analysis

Category:
Athletes Passed
2052
Passed By
139
Net Change
+1913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3890
5K → 10K65925+634#3890#3256
10K → 15K23728+209#3256#3047
15K → 20K16325+138#3047#2909
20K → Half1214-2#2909#2911
Half → 25K11115+96#2911#2815
25K → 30K15316+137#2815#2678
30K → 20M1025+97#2678#2581
20M → 21M1065+101#2581#2480
21M → 35K710+71#2480#2409
35K → 23M1081+107#2409#2302
23M → 24M844+80#2302#2222
24M → 40K780+78#2222#2144
40K → 25.2M420+42#2144#2102
25.2M → Finish1261+125#2102#1977
TOTALS2052139+1913
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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