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BOSTON MARATHON 2023

Samuel Fromkin

Bib: 4070•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #3511
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:20
Rank: #3548 (-37)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:42
Rank: #3341 (+207)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:22:08
Rank: #3139 (+202)
15K → 20K
20:26 | 6:35/mi
Half· 13.11 mi
1:26:35
Rank: #3121 (+18)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:42:56
Rank: #3179 (-58)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:04:23
Rank: #3220 (-41)
25K → 30K
21:27 | 6:54/mi
20M
2:13:50
Rank: #3220
30K → 20M
9:27 | 6:57/mi
21M
2:21:07
Rank: #3221 (-1)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:26:12
Rank: #3246 (-25)
21M → 35K
5:05 | 6:48/mi
23M
2:34:52
Rank: #3226 (+20)
35K → 23M
8:40 | 6:55/mi
24M
2:41:36
Rank: #3205 (+21)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:47:22
Rank: #3148 (+57)
24M → 40K
5:46 | 6:44/mi
25.2M
2:49:54
Rank: #3140 (+8)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:56:44
Rank: #3126 (+14)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:35
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:30:09
Pace6:53 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0220:466:4120:46
6:41
-
10K
6.21 mi10:43:3641:206:3920:34
6:37
-0:04
15K
9.32 mi11:03:581:01:426:3720:22
6:33
-0:04
20K
12.43 mi11:24:241:22:086:3720:26
6:35
+0:02
Half
13.11 mi11:28:511:26:356:364:27
6:31
-0:04
25K
15.53 mi11:45:121:42:566:3816:21
6:45
+0:14
30K
18.64 mi12:06:392:04:236:4021:27
6:54
+0:09
20M
20.00 mi12:16:062:13:506:419:27
6:57
+0:03
21M
21.00 mi12:23:232:21:076:437:17
7:17
+0:20
35K
21.75 mi12:28:282:26:126:435:05
6:48
-0:29
23M
23.00 mi12:37:082:34:526:448:40
6:55
+0:07
24M
24.00 mi12:43:522:41:366:446:44
6:44
-0:11
40K
24.85 mi12:49:382:47:226:445:46
6:44
0:00
25.2M
25.20 mi12:52:102:49:546:452:32
7:21
+0:37
Finish
26.22 mi12:59:002:56:446:456:50
6:42
-0:39

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

6:31 /mi

Average Pace

6:45 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:55

94% of race

Time at Steady Pace

9:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:23:0220:466:4120:46
6:41
#3511
10K
6.21 mi10:43:3641:206:3920:34
6:37
#3548
15K
9.32 mi11:03:581:01:426:3720:22
6:33
#3341
20K
12.43 mi11:24:241:22:086:3720:26
6:35
#3139
Half
13.11 mi11:28:511:26:356:364:27
6:31
#3121
25K
15.53 mi11:45:121:42:566:3816:21
6:45
#3179
30K
18.64 mi12:06:392:04:236:4021:27
6:54
#3220
20M
20.00 mi12:16:062:13:506:419:27
6:57
#3220
21M
21.00 mi12:23:232:21:076:437:17
7:17
#3221
35K
21.75 mi12:28:282:26:126:435:05
6:48
#3246
23M
23.00 mi12:37:082:34:526:448:40
6:55
#3226
24M
24.00 mi12:43:522:41:366:446:44
6:44
#3205
40K
24.85 mi12:49:382:47:226:445:46
6:44
#3148
25.2M
25.20 mi12:52:102:49:546:452:32
7:21
#3140
Finish
26.22 mi12:59:002:56:446:456:50
6:42
#3126
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3511330933092964(Top 11%)2830(Top 19%)2830(Top 54%)
10K6.21 mi3.10 mi3548-373349-403349-403632(Top 14%)3429(Top 23%)3429(Top 65%)
15K9.32 mi3.11 mi3341+2073169+1803169+1802964(Top 11%)2830(Top 19%)2830(Top 54%)
20K12.43 mi3.11 mi3139+2022989+1802989+1802705(Top 10%)2587(Top 17%)2587(Top 49%)
Half13.11 mi0.68 mi3121+182974+152974+152934(Top 11%)2809(Top 19%)2809(Top 53%)
25K15.53 mi2.42 mi3179-583027-533027-533680(Top 14%)3465(Top 23%)3465(Top 66%)
30K18.64 mi3.11 mi3220-413064-373064-373668(Top 14%)3442(Top 23%)3442(Top 65%)
20M20.00 mi1.36 mi32203059+53059+53713(Top 14%)3457(Top 23%)3457(Top 65%)
21M21.00 mi1.00 mi3221-13055+43055+43505(Top 13%)3256(Top 21%)3256(Top 62%)
35K21.75 mi0.75 mi3246-253074-193074-194112(Top 15%)3762(Top 25%)3762(Top 71%)
23M23.00 mi1.25 mi3226+203056+183056+183353(Top 13%)3106(Top 20%)3106(Top 59%)
24M24.00 mi1.00 mi3205+213035+213035+213338(Top 13%)3075(Top 20%)3075(Top 58%)
40K24.85 mi0.85 mi3148+572982+532982+532514(Top 9%)2328(Top 15%)2328(Top 44%)
25.2M25.20 mi0.35 mi3140+82974+82974+83128(Top 12%)2851(Top 19%)2851(Top 54%)
Finish26.22 mi1.02 mi3126+142959+152959+153534(Top 13%)3159(Top 21%)3159(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2964

Males

2830

M18-39

2830

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3632

Males

3429

M18-39

3429

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2964

Males

2830

M18-39

2830

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2705

Males

2587

M18-39

2587

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2934

Males

2809

M18-39

2809

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3680

Males

3465

M18-39

3465

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3668

Males

3442

M18-39

3442

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3713

Males

3457

M18-39

3457

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3505

Males

3256

M18-39

3256

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4112

Males

3762

M18-39

3762

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3353

Males

3106

M18-39

3106

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3338

Males

3075

M18-39

3075

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2514

Males

2328

M18-39

2328

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3128

Males

2851

M18-39

2851

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3534

Males

3159

M18-39

3159

Passing Analysis

Category:
Athletes Passed
1177
Passed By
792
Net Change
+385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3511
5K → 10K176213-37#3511#3548
10K → 15K23427+207#3548#3341
15K → 20K21816+202#3341#3139
20K → Half279+18#3139#3121
Half → 25K45103-58#3121#3179
25K → 30K82123-41#3179#3220
30K → 20M61610#3220#3220
20M → 21M4647-1#3220#3221
21M → 35K2045-25#3221#3246
35K → 23M6646+20#3246#3226
23M → 24M4726+21#3226#3205
24M → 40K669+57#3205#3148
40K → 25.2M2719+8#3148#3140
25.2M → Finish6248+14#3140#3126
TOTALS1177792+385
📊

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