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BOSTON MARATHON 2023

Ian Knox

Bib: 1074•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1015
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
38:13
Rank: #1077 (-62)
5K → 10K
19:07 | 6:09/mi
15K· 9.32 mi
57:17
Rank: #1069 (+8)
10K → 15K
19:04 | 6:08/mi
20K· 12.43 mi
1:16:30
Rank: #1048 (+21)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:20:39
Rank: #1041 (+7)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:46
Rank: #1031 (+10)
Half → 25K
15:07 | 6:14/mi
30K· 18.64 mi
1:55:02
Rank: #943 (+88)
25K → 30K
19:16 | 6:12/mi
20M
2:03:21
Rank: #900 (+43)
30K → 20M
8:19 | 6:07/mi
21M
2:09:35
Rank: #834 (+66)
20M → 21M
6:14 | 6:14/mi
35K· 21.75 mi
2:14:00
Rank: #817 (+17)
21M → 35K
4:25 | 5:54/mi
23M
2:21:22
Rank: #765 (+52)
35K → 23M
7:22 | 5:53/mi
24M
2:27:12
Rank: #731 (+34)
23M → 24M
5:50 | 5:50/mi
40K· 24.85 mi
2:32:27
Rank: #713 (+18)
24M → 40K
5:15 | 6:08/mi
25.2M
2:34:44
Rank: #702 (+11)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:40:38
Rank: #674 (+28)
25.2M → Finish
5:54 | 5:47/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:20:39
Pace6:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:59
Pace6:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3919:076:0919:07
6:09
-
10K
6.21 mi10:38:4538:136:0919:07
6:09
0:00
15K
9.32 mi10:57:4957:176:0919:04
6:08
-0:01
20K
12.43 mi11:17:021:16:306:0919:13
6:11
+0:03
Half
13.11 mi11:21:111:20:396:094:09
6:05
-0:06
25K
15.53 mi11:36:181:35:466:1015:07
6:14
+0:09
30K
18.64 mi11:55:341:55:026:1019:16
6:12
-0:02
20M
20.00 mi12:03:532:03:216:108:19
6:07
-0:05
21M
21.00 mi12:10:072:09:356:106:14
6:14
+0:07
35K
21.75 mi12:14:322:14:006:104:25
5:54
-0:20
23M
23.00 mi12:21:542:21:226:097:22
5:53
-0:01
24M
24.00 mi12:27:442:27:126:085:50
5:50
-0:03
40K
24.85 mi12:32:592:32:276:085:15
6:08
+0:18
25.2M
25.20 mi12:35:162:34:446:082:17
6:37
+0:29
Finish
26.22 mi12:41:102:40:386:085:54
5:47
-0:50

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

5:47 /mi

Average Pace

6:08 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:21

99% of race

Time at Steady Pace

2:17

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:08 /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 mi10:19:3919:076:0919:07
6:09
#1015
10K
6.21 mi10:38:4538:136:0919:07
6:09
#1077
15K
9.32 mi10:57:4957:176:0919:04
6:08
#1069
20K
12.43 mi11:17:021:16:306:0919:13
6:11
#1048
Half
13.11 mi11:21:111:20:396:094:09
6:05
#1041
25K
15.53 mi11:36:181:35:466:1015:07
6:14
#1031
30K
18.64 mi11:55:341:55:026:1019:16
6:12
#943
20M
20.00 mi12:03:532:03:216:108:19
6:07
#900
21M
21.00 mi12:10:072:09:356:106:14
6:14
#834
35K
21.75 mi12:14:322:14:006:104:25
5:54
#817
23M
23.00 mi12:21:542:21:226:097:22
5:53
#765
24M
24.00 mi12:27:442:27:126:085:50
5:50
#731
40K
24.85 mi12:32:592:32:276:085:15
6:08
#713
25.2M
25.20 mi12:35:162:34:446:082:17
6:37
#702
Finish
26.22 mi12:41:102:40:386:085:54
5:47
#674
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 mi10159599591059(Top 4%)1006(Top 7%)1006(Top 19%)
10K6.21 mi3.10 mi1077-621020-611020-611181(Top 4%)1120(Top 7%)1120(Top 21%)
15K9.32 mi3.11 mi1069+81013+71013+71059(Top 4%)1006(Top 7%)1006(Top 19%)
20K12.43 mi3.11 mi1048+21995+18995+181005(Top 4%)955(Top 6%)955(Top 18%)
Half13.11 mi0.68 mi1041+7989+6989+6943(Top 4%)897(Top 6%)897(Top 17%)
25K15.53 mi2.42 mi1031+10979+10979+101080(Top 4%)1028(Top 7%)1028(Top 19%)
30K18.64 mi3.11 mi943+88895+84895+84684(Top 3%)647(Top 4%)647(Top 12%)
20M20.00 mi1.36 mi900+43853+42853+42517(Top 2%)483(Top 3%)483(Top 9%)
21M21.00 mi1.00 mi834+66789+64789+64284(Top 1%)260(Top 2%)260(Top 5%)
35K21.75 mi0.75 mi817+17773+16773+16520(Top 2%)484(Top 3%)484(Top 9%)
23M23.00 mi1.25 mi765+52722+51722+51202(Top 0.8%)179(Top 1%)179(Top 3%)
24M24.00 mi1.00 mi731+34688+34688+34304(Top 1%)278(Top 2%)278(Top 5%)
40K24.85 mi0.85 mi713+18671+17671+17556(Top 2%)525(Top 3%)525(Top 10%)
25.2M25.20 mi0.35 mi702+11660+11660+11689(Top 3%)654(Top 4%)654(Top 12%)
Finish26.22 mi1.02 mi674+28632+28632+28353(Top 1%)335(Top 2%)335(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1059

Males

1006

M18-39

1006

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1181

Males

1120

M18-39

1120

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1059

Males

1006

M18-39

1006

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1005

Males

955

M18-39

955

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

943

Males

897

M18-39

897

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1080

Males

1028

M18-39

1028

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

684

Males

647

M18-39

647

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

517

Males

483

M18-39

483

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

284

Males

260

M18-39

260

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

520

Males

484

M18-39

484

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5stories
+23ft-63ft

Overall

202

Males

179

M18-39

179

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

304

Males

278

M18-39

278

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

556

Males

525

M18-39

525

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

689

Males

654

M18-39

654

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

353

Males

335

M18-39

335

Passing Analysis

Category:
Athletes Passed
501
Passed By
160
Net Change
+341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1015
5K → 10K2789-62#1015#1077
10K → 15K3224+8#1077#1069
15K → 20K3817+21#1069#1048
20K → Half70+7#1048#1041
Half → 25K2717+10#1041#1031
25K → 30K924+88#1031#943
30K → 20M452+43#943#900
20M → 21M671+66#900#834
21M → 35K181+17#834#817
35K → 23M520+52#817#765
23M → 24M340+34#765#731
24M → 40K202+18#731#713
40K → 25.2M121+11#713#702
25.2M → Finish302+28#702#674
TOTALS501160+341
📊

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