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BOSTON MARATHON 2023

Scott Krizek

Bib: 27232•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:25
Rank: #22883
Start → 5K
30:25 | 9:47/mi
10K· 6.21 mi
58:35
Rank: #22137 (+746)
5K → 10K
28:10 | 9:04/mi
15K· 9.32 mi
1:26:14
Rank: #21535 (+602)
10K → 15K
27:39 | 8:54/mi
20K· 12.43 mi
1:56:28
Rank: #21722 (-187)
15K → 20K
30:14 | 9:44/mi
Half· 13.11 mi
2:02:46
Rank: #21713 (+9)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:26:23
Rank: #21647 (+66)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
2:58:28
Rank: #21674 (-27)
25K → 30K
32:05 | 10:20/mi
20M
3:12:39
Rank: #21679 (-5)
30K → 20M
14:11 | 10:26/mi
21M
3:23:49
Rank: #21665 (+14)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:31:54
Rank: #21730 (-65)
21M → 35K
8:05 | 10:48/mi
23M
3:46:37
Rank: #21882 (-152)
35K → 23M
14:43 | 11:45/mi
24M
3:57:14
Rank: #21909 (-27)
23M → 24M
10:37 | 10:37/mi
40K· 24.85 mi
4:06:36
Rank: #21917 (-8)
24M → 40K
9:22 | 10:57/mi
25.2M
4:11:11
Rank: #21969 (-52)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
4:22:59
Rank: #22103 (-134)
25.2M → Finish
11:48 | 11:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:46
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:20:13
Pace10:42 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4230:259:4730:25
9:47
-
10K
6.21 mi12:15:5258:359:2628:10
9:04
-0:43
15K
9.32 mi12:43:311:26:149:1527:39
8:54
-0:10
20K
12.43 mi13:13:451:56:289:2230:14
9:44
+0:50
Half
13.11 mi13:20:032:02:469:226:18
9:14
-0:30
25K
15.53 mi13:43:402:26:239:2523:37
9:44
+0:30
30K
18.64 mi14:15:452:58:289:3432:05
10:20
+0:36
20M
20.00 mi14:29:563:12:399:3814:11
10:26
+0:06
21M
21.00 mi14:41:063:23:499:4211:10
11:10
+0:44
35K
21.75 mi14:49:113:31:549:458:05
10:48
-0:22
23M
23.00 mi15:03:543:46:379:5114:43
11:45
+0:57
24M
24.00 mi15:14:313:57:149:5310:37
10:37
-1:08
40K
24.85 mi15:23:534:06:369:559:22
10:57
+0:20
25.2M
25.20 mi15:28:284:11:119:584:35
13:17
+2:20
Finish
26.22 mi15:40:164:22:5910:0211:48
11:35
-1:42

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

8:54 /mi

Average Pace

10:02 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:23

56% of race

Time at Steady Pace

1:14:20

28% of race

Time at Slower Pace

42:16

16% of race

Average Pace: 10:02 /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 mi11:47:4230:259:4730:25
9:47
#22883
10K
6.21 mi12:15:5258:359:2628:10
9:04
#22137
15K
9.32 mi12:43:311:26:149:1527:39
8:54
#21535
20K
12.43 mi13:13:451:56:289:2230:14
9:44
#21722
Half
13.11 mi13:20:032:02:469:226:18
9:14
#21713
25K
15.53 mi13:43:402:26:239:2523:37
9:44
#21647
30K
18.64 mi14:15:452:58:289:3432:05
10:20
#21674
20M
20.00 mi14:29:563:12:399:3814:11
10:26
#21679
21M
21.00 mi14:41:063:23:499:4211:10
11:10
#21665
35K
21.75 mi14:49:113:31:549:458:05
10:48
#21730
23M
23.00 mi15:03:543:46:379:5114:43
11:45
#21882
24M
24.00 mi15:14:313:57:149:5310:37
10:37
#21909
40K
24.85 mi15:23:534:06:369:559:22
10:57
#21917
25.2M
25.20 mi15:28:284:11:119:584:35
13:17
#21969
Finish
26.22 mi15:40:164:22:5910:0211:48
11:35
#22103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22883135411354120041(Top 75%)12317(Top 81%)12317(Top 600%)
10K6.21 mi3.10 mi22137+74613192+34913192+34921140(Top 79%)12773(Top 84%)12773(Top 622%)
15K9.32 mi3.11 mi21535+60212938+25412938+25420041(Top 75%)12317(Top 81%)12317(Top 600%)
20K12.43 mi3.11 mi21722-18713033-9513033-9522242(Top 84%)13292(Top 88%)13292(Top 648%)
Half13.11 mi0.68 mi21713+913027+613027+621265(Top 80%)12858(Top 85%)12858(Top 627%)
25K15.53 mi2.42 mi21647+6613002+2513002+2521579(Top 81%)12954(Top 85%)12954(Top 631%)
30K18.64 mi3.11 mi21674-2712999+312999+321835(Top 82%)13005(Top 86%)13005(Top 634%)
20M20.00 mi1.36 mi21679-512992+712992+721584(Top 81%)12818(Top 84%)12818(Top 625%)
21M21.00 mi1.00 mi21665+1412975+1712975+1721185(Top 80%)12604(Top 83%)12604(Top 614%)
35K21.75 mi0.75 mi21730-6512999-2412999-2422933(Top 86%)13349(Top 88%)13349(Top 651%)
23M23.00 mi1.25 mi21882-15213055-5613055-5623646(Top 89%)13696(Top 90%)13696(Top 667%)
24M24.00 mi1.00 mi21909-2713061-613061-622259(Top 84%)12995(Top 86%)12995(Top 633%)
40K24.85 mi0.85 mi21917-813049+1213049+1222253(Top 84%)12964(Top 85%)12964(Top 632%)
25.2M25.20 mi0.35 mi21969-5213070-2113070-2124278(Top 91%)13928(Top 92%)13928(Top 679%)
Finish26.22 mi1.02 mi22103-13413118-4813118-4824774(Top 93%)14205(Top 94%)14205(Top 692%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20041

Males

12317

M50-54

12317

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

21140

Males

12773

M50-54

12773

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20041

Males

12317

M50-54

12317

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22242

Males

13292

M50-54

13292

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21265

Males

12858

M50-54

12858

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21579

Males

12954

M50-54

12954

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21835

Males

13005

M50-54

13005

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21584

Males

12818

M50-54

12818

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21185

Males

12604

M50-54

12604

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22933

Males

13349

M50-54

13349

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23646

Males

13696

M50-54

13696

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22259

Males

12995

M50-54

12995

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22253

Males

12964

M50-54

12964

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24278

Males

13928

M50-54

13928

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24774

Males

14205

M50-54

14205

Passing Analysis

Category:
Athletes Passed
1978
Passed By
1198
Net Change
+780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22883
5K → 10K77731+746#22883#22137
10K → 15K6108+602#22137#21535
15K → 20K60247-187#21535#21722
20K → Half2415+9#21722#21713
Half → 25K13569+66#21713#21647
25K → 30K129156-27#21647#21674
30K → 20M5863-5#21674#21679
20M → 21M6551+14#21679#21665
21M → 35K2085-65#21665#21730
35K → 23M25177-152#21730#21882
23M → 24M2653-27#21882#21909
24M → 40K3442-8#21909#21917
40K → 25.2M355-52#21917#21969
25.2M → Finish12146-134#21969#22103
TOTALS19781198+780
📊

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