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BOSTON MARATHON 2023

Kitwana John

Bib: 30637•M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:17
Rank: #24448
Start → 5K
32:17 | 10:23/mi
10K· 6.21 mi
1:05:39
Rank: #24838 (-390)
5K → 10K
33:22 | 10:44/mi
15K· 9.32 mi
1:39:49
Rank: #24994 (-156)
10K → 15K
34:10 | 11:00/mi
20K· 12.43 mi
2:14:51
Rank: #24994
15K → 20K
35:02 | 11:17/mi
Half· 13.11 mi
2:23:04
Rank: #25071 (-77)
20K → Half
8:13 | 12:03/mi
25K· 15.53 mi
2:53:40
Rank: #25246 (-175)
Half → 25K
30:36 | 12:37/mi
30K· 18.64 mi
3:31:26
Rank: #25156 (+90)
25K → 30K
37:46 | 12:09/mi
20M
3:47:42
Rank: #25083 (+73)
30K → 20M
16:16 | 11:58/mi
21M
4:01:27
Rank: #25100 (-17)
20M → 21M
13:45 | 13:45/mi
35K· 21.75 mi
4:09:41
Rank: #25046 (+54)
21M → 35K
8:14 | 11:00/mi
23M
4:24:53
Rank: #25009 (+37)
35K → 23M
15:12 | 12:08/mi
24M
4:36:17
Rank: #24975 (+34)
23M → 24M
11:24 | 11:24/mi
40K· 24.85 mi
4:45:52
Rank: #24910 (+65)
24M → 40K
9:35 | 11:13/mi
25.2M
4:50:04
Rank: #24890 (+20)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
5:00:01
Rank: #24819 (+71)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:04
Pace10:55 /mi
2nd Half
Distance13.11 mi
Time2:36:57
Pace11:58 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0432:1710:2332:17
10:23
-
10K
6.21 mi12:27:261:05:3910:3433:22
10:44
+0:21
15K
9.32 mi13:01:361:39:4910:4334:10
11:00
+0:16
20K
12.43 mi13:36:382:14:5110:5135:02
11:17
+0:17
Half
13.11 mi13:44:512:23:0410:558:13
12:03
+0:46
25K
15.53 mi14:15:272:53:4011:1130:36
12:37
+0:34
30K
18.64 mi14:53:133:31:2611:2137:46
12:09
-0:28
20M
20.00 mi15:09:293:47:4211:2316:16
11:58
-0:11
21M
21.00 mi15:23:144:01:2711:3013:45
13:45
+1:47
35K
21.75 mi15:31:284:09:4111:298:14
11:00
-2:45
23M
23.00 mi15:46:404:24:5311:3115:12
12:08
+1:08
24M
24.00 mi15:58:044:36:1711:3111:24
11:24
-0:44
40K
24.85 mi16:07:394:45:5211:309:35
11:13
-0:11
25.2M
25.20 mi16:11:514:50:0411:314:12
12:11
+0:58
Finish
26.22 mi16:21:485:00:0111:279:57
9:46
-2:25

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

9:46 /mi

Average Pace

11:27 /mi

Slowest Pace

13:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:36

25% of race

Time at Steady Pace

1:38:25

33% of race

Time at Slower Pace

2:06:00

42% of race

Average Pace: 11:27 /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 mi11:54:0432:1710:2332:17
10:23
#24448
10K
6.21 mi12:27:261:05:3910:3433:22
10:44
#24838
15K
9.32 mi13:01:361:39:4910:4334:10
11:00
#24994
20K
12.43 mi13:36:382:14:5110:5135:02
11:17
#24994
Half
13.11 mi13:44:512:23:0410:558:13
12:03
#25071
25K
15.53 mi14:15:272:53:4011:1130:36
12:37
#25246
30K
18.64 mi14:53:133:31:2611:2137:46
12:09
#25156
20M
20.00 mi15:09:293:47:4211:2316:16
11:58
#25083
21M
21.00 mi15:23:144:01:2711:3013:45
13:45
#25100
35K
21.75 mi15:31:284:09:4111:298:14
11:00
#25046
23M
23.00 mi15:46:404:24:5311:3115:12
12:08
#25009
24M
24.00 mi15:58:044:36:1711:3111:24
11:24
#24975
40K
24.85 mi16:07:394:45:5211:309:35
11:13
#24910
25.2M
25.20 mi16:11:514:50:0411:314:12
12:11
#24890
Finish
26.22 mi16:21:485:00:0111:279:57
9:46
#24819
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24448143001430025159(Top 95%)14590(Top 96%)14590(Top 651%)
10K6.21 mi3.10 mi24838-39014472-17214472-17225070(Top 94%)14566(Top 96%)14566(Top 650%)
15K9.32 mi3.11 mi24994-15614541-6914541-6925159(Top 95%)14590(Top 96%)14590(Top 651%)
20K12.43 mi3.11 mi2499414521+2014521+2024972(Top 94%)14487(Top 95%)14487(Top 646%)
Half13.11 mi0.68 mi25071-7714555-3414555-3425899(Top 97%)14873(Top 98%)14873(Top 664%)
25K15.53 mi2.42 mi25246-17514613-5814613-5825639(Top 96%)14749(Top 97%)14749(Top 658%)
30K18.64 mi3.11 mi25156+9014559+5414559+5424665(Top 93%)14262(Top 94%)14262(Top 636%)
20M20.00 mi1.36 mi25083+7314520+3914520+3924168(Top 91%)13981(Top 92%)13981(Top 624%)
21M21.00 mi1.00 mi25100-1714518+214518+224823(Top 93%)14286(Top 94%)14286(Top 637%)
35K21.75 mi0.75 mi25046+5414485+3314485+3323318(Top 88%)13527(Top 89%)13527(Top 604%)
23M23.00 mi1.25 mi25009+3714459+2614459+2624169(Top 91%)13929(Top 92%)13929(Top 622%)
24M24.00 mi1.00 mi24975+3414439+2014439+2023739(Top 89%)13694(Top 90%)13694(Top 611%)
40K24.85 mi0.85 mi24910+6514404+3514404+3522750(Top 85%)13209(Top 87%)13209(Top 589%)
25.2M25.20 mi0.35 mi24890+2014394+1014394+1022805(Top 86%)13238(Top 87%)13238(Top 591%)
Finish26.22 mi1.02 mi24819+7114356+3814356+3821031(Top 79%)12438(Top 82%)12438(Top 555%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25159

Males

14590

M40-44

14590

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

25070

Males

14566

M40-44

14566

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25159

Males

14590

M40-44

14590

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24972

Males

14487

M40-44

14487

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25899

Males

14873

M40-44

14873

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25639

Males

14749

M40-44

14749

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24665

Males

14262

M40-44

14262

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24168

Males

13981

M40-44

13981

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24823

Males

14286

M40-44

14286

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23318

Males

13527

M40-44

13527

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24169

Males

13929

M40-44

13929

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23739

Males

13694

M40-44

13694

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22750

Males

13209

M40-44

13209

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22805

Males

13238

M40-44

13238

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21031

Males

12438

M40-44

12438

Passing Analysis

Category:
Athletes Passed
792
Passed By
1163
Net Change
-371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24448
5K → 10K55445-390#24448#24838
10K → 15K59215-156#24838#24994
15K → 20K1051050#24994#24994
20K → Half683-77#24994#25071
Half → 25K22197-175#25071#25246
25K → 30K12535+90#25246#25156
30K → 20M8411+73#25156#25083
20M → 21M2542-17#25083#25100
21M → 35K551+54#25100#25046
35K → 23M458+37#25046#25009
23M → 24M4511+34#25009#24975
24M → 40K705+65#24975#24910
40K → 25.2M233+20#24910#24890
25.2M → Finish732+71#24890#24819
TOTALS7921163-371
📊

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