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BOSTON MARATHON 2023

Jeremy Kaminer

Bib: 2770•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #2194
Start → 5K
20:09 | 6:29/mi
10K· 6.21 mi
40:20
Rank: #2446 (-252)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:00:32
Rank: #2498 (-52)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:20:46
Rank: #2442 (+56)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:25:09
Rank: #2436 (+6)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:52
Rank: #2378 (+58)
Half → 25K
15:43 | 6:29/mi
30K· 18.64 mi
2:01:32
Rank: #2321 (+57)
25K → 30K
20:40 | 6:39/mi
20M
2:10:32
Rank: #2275 (+46)
30K → 20M
9:00 | 6:37/mi
21M
2:17:21
Rank: #2202 (+73)
20M → 21M
6:49 | 6:49/mi
35K· 21.75 mi
2:22:02
Rank: #2158 (+44)
21M → 35K
4:41 | 6:16/mi
23M
2:30:03
Rank: #2050 (+108)
35K → 23M
8:01 | 6:24/mi
24M
2:36:17
Rank: #1981 (+69)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:41:46
Rank: #1930 (+51)
24M → 40K
5:29 | 6:25/mi
25.2M
2:43:59
Rank: #1882 (+48)
40K → 25.2M
2:13 | 6:25/mi
Finish· 26.22 mi
2:50:00
Rank: #1781 (+101)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:09
Pace6:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4820:096:2920:09
6:29
-
10K
6.21 mi10:40:5940:206:2920:11
6:30
+0:01
15K
9.32 mi11:01:111:00:326:3020:12
6:30
0:00
20K
12.43 mi11:21:251:20:466:3020:14
6:31
+0:01
Half
13.11 mi11:25:481:25:096:304:23
6:25
-0:06
25K
15.53 mi11:41:311:40:526:3015:43
6:29
+0:04
30K
18.64 mi12:02:112:01:326:3120:40
6:39
+0:10
20M
20.00 mi12:11:112:10:326:329:00
6:37
-0:02
21M
21.00 mi12:18:002:17:216:326:49
6:49
+0:12
35K
21.75 mi12:22:412:22:026:324:41
6:16
-0:33
23M
23.00 mi12:30:422:30:036:318:01
6:24
+0:08
24M
24.00 mi12:36:562:36:176:316:14
6:14
-0:10
40K
24.85 mi12:42:252:41:466:315:29
6:25
+0:11
25.2M
25.20 mi12:44:382:43:596:302:13
6:25
0:00
Finish
26.22 mi12:50:392:50:006:296:01
5:54
-0:31

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

5:54 /mi

Average Pace

6:29 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:54

43% of race

Time at Steady Pace

1:37:06

57% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:20:4820:096:2920:09
6:29
#2194
10K
6.21 mi10:40:5940:206:2920:11
6:30
#2446
15K
9.32 mi11:01:111:00:326:3020:12
6:30
#2498
20K
12.43 mi11:21:251:20:466:3020:14
6:31
#2442
Half
13.11 mi11:25:481:25:096:304:23
6:25
#2436
25K
15.53 mi11:41:311:40:526:3015:43
6:29
#2378
30K
18.64 mi12:02:112:01:326:3120:40
6:39
#2321
20M
20.00 mi12:11:112:10:326:329:00
6:37
#2275
21M
21.00 mi12:18:002:17:216:326:49
6:49
#2202
35K
21.75 mi12:22:412:22:026:324:41
6:16
#2158
23M
23.00 mi12:30:422:30:036:318:01
6:24
#2050
24M
24.00 mi12:36:562:36:176:316:14
6:14
#1981
40K
24.85 mi12:42:252:41:466:315:29
6:25
#1930
25.2M
25.20 mi12:44:382:43:596:302:13
6:25
#1882
Finish
26.22 mi12:50:392:50:006:296:01
5:54
#1781
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 mi2194209320932631(Top 10%)2516(Top 17%)2516(Top 48%)
10K6.21 mi3.10 mi2446-2522336-2432336-2432752(Top 10%)2630(Top 17%)2630(Top 50%)
15K9.32 mi3.11 mi2498-522386-502386-502631(Top 10%)2516(Top 17%)2516(Top 48%)
20K12.43 mi3.11 mi2442+562339+472339+472343(Top 9%)2245(Top 15%)2245(Top 42%)
Half13.11 mi0.68 mi2436+62335+42335+42305(Top 9%)2210(Top 15%)2210(Top 42%)
25K15.53 mi2.42 mi2378+582280+552280+552077(Top 8%)1991(Top 13%)1991(Top 38%)
30K18.64 mi3.11 mi2321+572225+552225+552175(Top 8%)2076(Top 14%)2076(Top 39%)
20M20.00 mi1.36 mi2275+462182+432182+431948(Top 7%)1858(Top 12%)1858(Top 35%)
21M21.00 mi1.00 mi2202+732111+712111+711460(Top 5%)1392(Top 9%)1392(Top 26%)
35K21.75 mi0.75 mi2158+442067+442067+441447(Top 5%)1373(Top 9%)1373(Top 26%)
23M23.00 mi1.25 mi2050+1081966+1011966+1011118(Top 4%)1058(Top 7%)1058(Top 20%)
24M24.00 mi1.00 mi1981+691898+681898+681132(Top 4%)1073(Top 7%)1073(Top 20%)
40K24.85 mi0.85 mi1930+511846+521846+521283(Top 5%)1210(Top 8%)1210(Top 23%)
25.2M25.20 mi0.35 mi1882+481799+471799+47365(Top 1%)343(Top 2%)343(Top 6%)
Finish26.22 mi1.02 mi1781+1011701+981701+98547(Top 2%)521(Top 3%)521(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2631

Males

2516

M18-39

2516

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2752

Males

2630

M18-39

2630

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2631

Males

2516

M18-39

2516

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2343

Males

2245

M18-39

2245

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2305

Males

2210

M18-39

2210

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2077

Males

1991

M18-39

1991

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2175

Males

2076

M18-39

2076

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1948

Males

1858

M18-39

1858

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1460

Males

1392

M18-39

1392

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1447

Males

1373

M18-39

1373

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1118

Males

1058

M18-39

1058

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1132

Males

1073

M18-39

1073

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1283

Males

1210

M18-39

1210

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

365

Males

343

M18-39

343

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

547

Males

521

M18-39

521

Passing Analysis

Category:
Athletes Passed
930
Passed By
517
Net Change
+413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2194
5K → 10K41293-252#2194#2446
10K → 15K4698-52#2446#2498
15K → 20K9034+56#2498#2442
20K → Half1610+6#2442#2436
Half → 25K7416+58#2436#2378
25K → 30K9639+57#2378#2321
30K → 20M548+46#2321#2275
20M → 21M796+73#2275#2202
21M → 35K462+44#2202#2158
35K → 23M1102+108#2158#2050
23M → 24M712+69#2050#1981
24M → 40K576+51#1981#1930
40K → 25.2M480+48#1930#1882
25.2M → Finish1021+101#1882#1781
TOTALS930517+413
📊

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