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BOSTON MARATHON 2023

Kal Kseib

Bib: 8038•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M40-44)
#0 / 2241
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #1899
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
39:38
Rank: #1892 (+7)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:23
Rank: #1876 (+16)
10K → 15K
19:45 | 6:21/mi
20K· 12.43 mi
1:19:27
Rank: #1900 (-24)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:23:46
Rank: #1892 (+8)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:39:28
Rank: #1897 (-5)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
1:59:49
Rank: #1861 (+36)
25K → 30K
20:21 | 6:33/mi
20M
2:08:46
Rank: #1847 (+14)
30K → 20M
8:57 | 6:35/mi
21M
2:15:41
Rank: #1825 (+22)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:20:26
Rank: #1811 (+14)
21M → 35K
4:45 | 6:21/mi
23M
2:28:42
Rank: #1782 (+29)
35K → 23M
8:16 | 6:36/mi
24M
2:35:09
Rank: #1766 (+16)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:40:44
Rank: #1737 (+29)
24M → 40K
5:35 | 6:32/mi
25.2M
2:43:10
Rank: #1735 (+2)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:49:53
Rank: #1760 (-25)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:46
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0819:576:2519:57
6:25
-
10K
6.21 mi11:04:4939:386:2319:41
6:20
-0:05
15K
9.32 mi11:24:3459:236:2219:45
6:21
+0:01
20K
12.43 mi11:44:381:19:276:2420:04
6:28
+0:07
Half
13.11 mi11:48:571:23:466:234:19
6:20
-0:08
25K
15.53 mi12:04:391:39:286:2415:42
6:29
+0:09
30K
18.64 mi12:25:001:59:496:2620:21
6:33
+0:04
20M
20.00 mi12:33:572:08:466:268:57
6:35
+0:02
21M
21.00 mi12:40:522:15:416:286:55
6:55
+0:20
35K
21.75 mi12:45:372:20:266:274:45
6:21
-0:34
23M
23.00 mi12:53:532:28:426:288:16
6:36
+0:15
24M
24.00 mi13:00:202:35:096:286:27
6:27
-0:09
40K
24.85 mi13:05:552:40:446:285:35
6:32
+0:05
25.2M
25.20 mi13:08:212:43:106:282:26
7:03
+0:31
Finish
26.22 mi13:15:042:49:536:296:43
6:35
-0:28

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

6:20 /mi

Average Pace

6:29 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:27

99% of race

Time at Steady Pace

2:26

1% 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 mi10:45:0819:576:2519:57
6:25
#1899
10K
6.21 mi11:04:4939:386:2319:41
6:20
#1892
15K
9.32 mi11:24:3459:236:2219:45
6:21
#1876
20K
12.43 mi11:44:381:19:276:2420:04
6:28
#1900
Half
13.11 mi11:48:571:23:466:234:19
6:20
#1892
25K
15.53 mi12:04:391:39:286:2415:42
6:29
#1897
30K
18.64 mi12:25:001:59:496:2620:21
6:33
#1861
20M
20.00 mi12:33:572:08:466:268:57
6:35
#1847
21M
21.00 mi12:40:522:15:416:286:55
6:55
#1825
35K
21.75 mi12:45:372:20:266:274:45
6:21
#1811
23M
23.00 mi12:53:532:28:426:288:16
6:36
#1782
24M
24.00 mi13:00:202:35:096:286:27
6:27
#1766
40K
24.85 mi13:05:552:40:446:285:35
6:32
#1737
25.2M
25.20 mi13:08:212:43:106:282:26
7:03
#1735
Finish
26.22 mi13:15:042:49:536:296:43
6:35
#1760
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1899181018101898(Top 7%)1818(Top 12%)1818(Top 81%)
10K6.21 mi3.10 mi1892+71812-21812-21913(Top 7%)1832(Top 12%)1832(Top 82%)
15K9.32 mi3.11 mi1876+161795+171795+171898(Top 7%)1818(Top 12%)1818(Top 81%)
20K12.43 mi3.11 mi1900-241819-241819-242076(Top 8%)1993(Top 13%)1993(Top 89%)
Half13.11 mi0.68 mi1892+81812+71812+71876(Top 7%)1801(Top 12%)1801(Top 80%)
25K15.53 mi2.42 mi1897-51815-31815-32042(Top 8%)1956(Top 13%)1956(Top 87%)
30K18.64 mi3.11 mi1861+361781+341781+341755(Top 7%)1679(Top 11%)1679(Top 75%)
20M20.00 mi1.36 mi1847+141766+151766+151791(Top 7%)1707(Top 11%)1707(Top 76%)
21M21.00 mi1.00 mi1825+221747+191747+191812(Top 7%)1724(Top 11%)1724(Top 77%)
35K21.75 mi0.75 mi1811+141732+151732+151747(Top 7%)1660(Top 11%)1660(Top 74%)
23M23.00 mi1.25 mi1782+291704+281704+281773(Top 7%)1682(Top 11%)1682(Top 75%)
24M24.00 mi1.00 mi1766+161690+141690+141883(Top 7%)1769(Top 12%)1769(Top 79%)
40K24.85 mi0.85 mi1737+291661+291661+291647(Top 6%)1550(Top 10%)1550(Top 69%)
25.2M25.20 mi0.35 mi1735+21658+31658+31893(Top 7%)1776(Top 12%)1776(Top 79%)
Finish26.22 mi1.02 mi1760-251681-231681-232910(Top 11%)2635(Top 17%)2635(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1898

Males

1818

M40-44

1818

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1913

Males

1832

M40-44

1832

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1898

Males

1818

M40-44

1818

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2076

Males

1993

M40-44

1993

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1876

Males

1801

M40-44

1801

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2042

Males

1956

M40-44

1956

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1755

Males

1679

M40-44

1679

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1791

Males

1707

M40-44

1707

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1812

Males

1724

M40-44

1724

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1747

Males

1660

M40-44

1660

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1773

Males

1682

M40-44

1682

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1883

Males

1769

M40-44

1769

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1647

Males

1550

M40-44

1550

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1893

Males

1776

M40-44

1776

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2910

Males

2635

M40-44

2635

Passing Analysis

Category:
Athletes Passed
597
Passed By
458
Net Change
+139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1899
5K → 10K10497+7#1899#1892
10K → 15K7357+16#1892#1876
15K → 20K4468-24#1876#1900
20K → Half135+8#1900#1892
Half → 25K3843-5#1892#1897
25K → 30K6933+36#1897#1861
30K → 20M4026+14#1861#1847
20M → 21M4119+22#1847#1825
21M → 35K2612+14#1825#1811
35K → 23M4516+29#1811#1782
23M → 24M3115+16#1782#1766
24M → 40K378+29#1766#1737
40K → 25.2M119+2#1737#1735
25.2M → Finish2550-25#1735#1760
TOTALS597458+139
📊

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