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BOSTON MARATHON 2023

Joseph Kalnay

Bib: 21836•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:14
Rank: #17157
Start → 5K
26:14 | 8:27/mi
10K· 6.21 mi
51:39
Rank: #16591 (+566)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:16:43
Rank: #16042 (+549)
10K → 15K
25:04 | 8:04/mi
20K· 12.43 mi
1:43:12
Rank: #16308 (-266)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:48:33
Rank: #16128 (+180)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:07:53
Rank: #15557 (+571)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:33:39
Rank: #15085 (+472)
25K → 30K
25:46 | 8:18/mi
20M
2:45:19
Rank: #15005 (+80)
30K → 20M
11:40 | 8:35/mi
21M
2:55:26
Rank: #15236 (-231)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:01:48
Rank: #15211 (+25)
21M → 35K
6:22 | 8:31/mi
23M
3:12:44
Rank: #15158 (+53)
35K → 23M
10:56 | 8:44/mi
24M
3:21:30
Rank: #15177 (-19)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:29:16
Rank: #15247 (-70)
24M → 40K
7:46 | 9:05/mi
25.2M
3:32:28
Rank: #15216 (+31)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:41:03
Rank: #15196 (+20)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:52:30
Pace8:35 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0626:148:2726:14
8:27
-
10K
6.21 mi11:45:3151:398:1925:25
8:11
-0:16
15K
9.32 mi12:10:351:16:438:1425:04
8:04
-0:07
20K
12.43 mi12:37:041:43:128:1826:29
8:31
+0:27
Half
13.11 mi12:42:251:48:338:175:21
7:50
-0:41
25K
15.53 mi13:01:452:07:538:1419:20
7:58
+0:08
30K
18.64 mi13:27:312:33:398:1525:46
8:18
+0:20
20M
20.00 mi13:39:112:45:198:1611:40
8:35
+0:17
21M
21.00 mi13:49:182:55:268:2110:07
10:07
+1:32
35K
21.75 mi13:55:403:01:488:226:22
8:31
-1:36
23M
23.00 mi14:06:363:12:448:2310:56
8:44
+0:13
24M
24.00 mi14:15:223:21:308:248:46
8:46
+0:02
40K
24.85 mi14:23:083:29:168:257:46
9:05
+0:19
25.2M
25.20 mi14:26:203:32:288:263:12
9:17
+0:12
Finish
26.22 mi14:34:553:41:038:268:35
8:25
-0:52

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

7:50 /mi

Average Pace

8:26 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:10

34% of race

Time at Steady Pace

2:04:48

56% of race

Time at Slower Pace

21:05

10% of race

Average Pace: 8:26 /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 mi11:20:0626:148:2726:14
8:27
#17157
10K
6.21 mi11:45:3151:398:1925:25
8:11
#16591
15K
9.32 mi12:10:351:16:438:1425:04
8:04
#16042
20K
12.43 mi12:37:041:43:128:1826:29
8:31
#16308
Half
13.11 mi12:42:251:48:338:175:21
7:50
#16128
25K
15.53 mi13:01:452:07:538:1419:20
7:58
#15557
30K
18.64 mi13:27:312:33:398:1525:46
8:18
#15085
20M
20.00 mi13:39:112:45:198:1611:40
8:35
#15005
21M
21.00 mi13:49:182:55:268:2110:07
10:07
#15236
35K
21.75 mi13:55:403:01:488:226:22
8:31
#15211
23M
23.00 mi14:06:363:12:448:2310:56
8:44
#15158
24M
24.00 mi14:15:223:21:308:248:46
8:46
#15177
40K
24.85 mi14:23:083:29:168:257:46
9:05
#15247
25.2M
25.20 mi14:26:203:32:288:263:12
9:17
#15216
Finish
26.22 mi14:34:553:41:038:268:35
8:25
#15196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17157110991109914939(Top 56%)10277(Top 68%)10277(Top 926%)
10K6.21 mi3.10 mi16591+56610934+16510934+16516105(Top 60%)10745(Top 71%)10745(Top 968%)
15K9.32 mi3.11 mi16042+54910712+22210712+22214939(Top 56%)10277(Top 68%)10277(Top 926%)
20K12.43 mi3.11 mi16308-26610796-8410796-8416995(Top 64%)11050(Top 73%)11050(Top 995%)
Half13.11 mi0.68 mi16128+18010718+7810718+7813077(Top 49%)9534(Top 63%)9534(Top 859%)
25K15.53 mi2.42 mi15557+57110474+24410474+24412521(Top 47%)9140(Top 60%)9140(Top 823%)
30K18.64 mi3.11 mi15085+47210256+21810256+21812983(Top 49%)9225(Top 61%)9225(Top 831%)
20M20.00 mi1.36 mi15005+8010209+4710209+4714146(Top 53%)9628(Top 63%)9628(Top 867%)
21M21.00 mi1.00 mi15236-23110262-5310262-5318433(Top 69%)11393(Top 75%)11393(Top 1026%)
35K21.75 mi0.75 mi15211+2510236+2610236+2615355(Top 58%)10008(Top 66%)10008(Top 902%)
23M23.00 mi1.25 mi15158+5310204+3210204+3214576(Top 55%)9617(Top 63%)9617(Top 866%)
24M24.00 mi1.00 mi15177-1910195+910195+916007(Top 60%)10175(Top 67%)10175(Top 917%)
40K24.85 mi0.85 mi15247-7010207-1210207-1216544(Top 62%)10369(Top 68%)10369(Top 934%)
25.2M25.20 mi0.35 mi15216+3110181+2610181+2614039(Top 53%)9257(Top 61%)9257(Top 834%)
Finish26.22 mi1.02 mi15196+2010153+2810153+2814874(Top 56%)9669(Top 64%)9669(Top 871%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14939

Males

10277

M60-64

10277

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16105

Males

10745

M60-64

10745

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14939

Males

10277

M60-64

10277

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16995

Males

11050

M60-64

11050

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13077

Males

9534

M60-64

9534

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12521

Males

9140

M60-64

9140

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12983

Males

9225

M60-64

9225

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14146

Males

9628

M60-64

9628

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18433

Males

11393

M60-64

11393

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15355

Males

10008

M60-64

10008

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14576

Males

9617

M60-64

9617

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16007

Males

10175

M60-64

10175

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16544

Males

10369

M60-64

10369

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14039

Males

9257

M60-64

9257

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14874

Males

9669

M60-64

9669

Passing Analysis

Category:
Athletes Passed
3151
Passed By
1190
Net Change
+1961
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17157
5K → 10K682116+566#17157#16591
10K → 15K59142+549#16591#16042
15K → 20K98364-266#16042#16308
20K → Half1822+180#16308#16128
Half → 25K5721+571#16128#15557
25K → 30K48816+472#15557#15085
30K → 20M12040+80#15085#15005
20M → 21M38269-231#15005#15236
21M → 35K5530+25#15236#15211
35K → 23M9946+53#15211#15158
23M → 24M6382-19#15158#15177
24M → 40K40110-70#15177#15247
40K → 25.2M5120+31#15247#15216
25.2M → Finish7252+20#15216#15196
TOTALS31511190+1961
📊

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