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BOSTON MARATHON 2024

Ken Roznowski

Bib: 17889•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
Division (M60-64)
#0 / 1173
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:27
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:39:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:44:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:04:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:31:44
↑ 181↓ 1480.2%
20M
8:33/mi
2:43:21
↑ 64↓ 500.2%
21M
9:31/mi
2:52:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
2:59:13
↑ 17↓ 861.7%
23M
8:55/mi
3:10:23
↑ 23↓ 630.6%
24M
8:46/mi
3:19:09
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:26:37
↓ 200.3%
25.2M
9:52/mi
3:30:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:38:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:53:47
Pace8:41 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0224:538:0124:53
8:01
-
10K
6.21 mi11:40:4649:377:5924:44
7:58
-0:03
15K
9.32 mi12:05:361:14:277:5924:50
8:00
+0:02
20K
12.43 mi12:30:351:39:268:0024:59
8:02
+0:02
Half
13.11 mi12:36:051:44:568:005:30
8:04
+0:02
25K
15.53 mi12:56:022:04:538:0219:57
8:14
+0:10
30K
18.64 mi13:22:532:31:448:0826:51
8:39
+0:25
20M
20.00 mi13:34:302:43:218:1011:37
8:33
-0:06
21M
21.00 mi13:44:012:52:528:149:31
9:31
+0:58
35K
21.75 mi13:50:222:59:138:146:21
8:29
-1:02
23M
23.00 mi14:01:323:10:238:1711:10
8:55
+0:26
24M
24.00 mi14:10:183:19:098:188:46
8:46
-0:09
40K
24.85 mi14:17:463:26:378:197:28
8:44
-0:02
25.2M
25.20 mi14:21:103:30:018:203:24
9:52
+1:08
Finish
26.22 mi14:29:523:38:438:218:42
8:32
-1:20

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

7:58 /mi

Average Pace

8:21 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:53

57% of race

Time at Steady Pace

1:09:45

32% of race

Time at Slower Pace

24:05

11% of race

Average Pace: 8:20 /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 mi11:16:0224:538:0124:53
8:01
#14696
10K
6.21 mi11:40:4649:377:5924:44
7:58
#14288
15K
9.32 mi12:05:361:14:277:5924:50
8:00
#13978
20K
12.43 mi12:30:351:39:268:0024:59
8:02
#13436
Half
13.11 mi12:36:051:44:568:005:30
8:04
#13411
25K
15.53 mi12:56:022:04:538:0219:57
8:14
#13004
30K
18.64 mi13:22:532:31:448:0826:51
8:39
#12594
20M
20.00 mi13:34:302:43:218:1011:37
8:33
#12311
21M
21.00 mi13:44:012:52:528:149:31
9:31
#12189
35K
21.75 mi13:50:222:59:138:146:21
8:29
#12096
23M
23.00 mi14:01:323:10:238:1711:10
8:55
#11971
24M
24.00 mi14:10:183:19:098:188:46
8:46
#11900
40K
24.85 mi14:17:463:26:378:197:28
8:44
#11749
25.2M
25.20 mi14:21:103:30:018:203:24
9:52
#11712
Finish
26.22 mi14:29:523:38:438:218:42
8:32
#11671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi146969903990313406(Top 52%)9341(Top 64%)9341(Top 796%)
10K6.21 mi3.10 mi14288+4089746+1579746+15713898(Top 54%)9572(Top 66%)9572(Top 816%)
15K9.32 mi3.11 mi13978+3109616+1309616+13013406(Top 52%)9341(Top 64%)9341(Top 796%)
20K12.43 mi3.11 mi13436+5429369+2479369+24712120(Top 47%)8708(Top 60%)8708(Top 742%)
Half13.11 mi0.68 mi13411+259353+169353+1613101(Top 51%)9108(Top 62%)9108(Top 776%)
25K15.53 mi2.42 mi13004+4079163+1909163+19011529(Top 45%)8255(Top 57%)8255(Top 704%)
30K18.64 mi3.11 mi12594+4108897+2668897+26611392(Top 45%)7976(Top 55%)7976(Top 680%)
20M20.00 mi1.36 mi12311+2838710+1878710+1879700(Top 38%)6884(Top 47%)6884(Top 587%)
21M21.00 mi1.00 mi12189+1228588+1228588+12210903(Top 43%)7180(Top 49%)7180(Top 612%)
35K21.75 mi0.75 mi12096+938510+788510+7810658(Top 42%)7067(Top 48%)7067(Top 602%)
23M23.00 mi1.25 mi11971+1258390+1208390+12010733(Top 42%)6946(Top 48%)6946(Top 592%)
24M24.00 mi1.00 mi11900+718311+798311+7910937(Top 43%)7018(Top 48%)7018(Top 598%)
40K24.85 mi0.85 mi11749+1518190+1218190+1219552(Top 37%)6190(Top 42%)6190(Top 528%)
25.2M25.20 mi0.35 mi11712+378152+388152+3810329(Top 40%)6532(Top 45%)6532(Top 557%)
Finish26.22 mi1.02 mi11671+418095+578095+5711694(Top 46%)7348(Top 50%)7348(Top 626%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13406

Males

9341

M60-64

9341

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13898

Males

9572

M60-64

9572

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13406

Males

9341

M60-64

9341

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12120

Males

8708

M60-64

8708

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13101

Males

9108

M60-64

9108

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11529

Males

8255

M60-64

8255

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11392

Males

7976

M60-64

7976

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9700

Males

6884

M60-64

6884

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10903

Males

7180

M60-64

7180

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10658

Males

7067

M60-64

7067

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

10733

Males

6946

M60-64

6946

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

10937

Males

7018

M60-64

7018

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9552

Males

6190

M60-64

6190

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10329

Males

6532

M60-64

6532

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11694

Males

7348

M60-64

7348

Passing Analysis

Category:
Athletes Passed
3770
Passed By
745
Net Change
+3025
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14696
5K → 10K534126+408#14696#14288
10K → 15K39484+310#14288#13978
15K → 20K57331+542#13978#13436
20K → Half5631+25#13436#13411
Half → 25K45851+407#13411#13004
25K → 30K50292+410#13004#12594
30K → 20M29613+283#12594#12311
20M → 21M19068+122#12311#12189
21M → 35K12027+93#12189#12096
35K → 23M19267+125#12096#11971
23M → 24M11948+71#11971#11900
24M → 40K17524+151#11900#11749
40K → 25.2M6225+37#11749#11712
25.2M → Finish9958+41#11712#11671
TOTALS3770745+3025
📊

Passing Visuals

Category:
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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