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BOSTON MARATHON 2023

Obi Uzoma

Bib: 26328•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:02
Rank: #18895
Start → 5K
27:02 | 8:42/mi
10K· 6.21 mi
53:26
Rank: #18525 (+370)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:19:54
Rank: #18308 (+217)
10K → 15K
26:28 | 8:31/mi
20K· 12.43 mi
1:46:06
Rank: #17806 (+502)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:51:49
Rank: #17744 (+62)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:13:04
Rank: #17723 (+21)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:41:59
Rank: #17915 (-192)
25K → 30K
28:55 | 9:18/mi
20M
2:55:08
Rank: #18078 (-163)
30K → 20M
13:09 | 9:41/mi
21M
3:05:36
Rank: #18211 (-133)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:12:51
Rank: #18318 (-107)
21M → 35K
7:15 | 9:41/mi
23M
3:26:18
Rank: #18671 (-353)
35K → 23M
13:27 | 10:45/mi
24M
3:37:36
Rank: #19071 (-400)
23M → 24M
11:18 | 11:18/mi
40K· 24.85 mi
3:46:24
Rank: #19181 (-110)
24M → 40K
8:48 | 10:18/mi
25.2M
3:50:02
Rank: #19181
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:59:56
Rank: #19302 (-121)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:08:07
Pace9:46 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3627:028:4227:02
8:42
-
10K
6.21 mi12:10:0053:268:3626:24
8:30
-0:12
15K
9.32 mi12:36:281:19:548:3426:28
8:31
+0:01
20K
12.43 mi13:02:401:46:068:3226:12
8:26
-0:05
Half
13.11 mi13:08:231:51:498:325:43
8:23
-0:03
25K
15.53 mi13:29:382:13:048:3421:15
8:46
+0:23
30K
18.64 mi13:58:332:41:598:4128:55
9:18
+0:32
20M
20.00 mi14:11:422:55:088:4513:09
9:41
+0:23
21M
21.00 mi14:22:103:05:368:5010:28
10:28
+0:47
35K
21.75 mi14:29:253:12:518:527:15
9:41
-0:47
23M
23.00 mi14:42:523:26:188:5813:27
10:45
+1:04
24M
24.00 mi14:54:103:37:369:0411:18
11:18
+0:33
40K
24.85 mi15:02:583:46:249:078:48
10:18
-1:00
25.2M
25.20 mi15:06:363:50:029:083:38
10:32
+0:14
Finish
26.22 mi15:16:303:59:569:099:54
9:43
-0:49

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

8:23 /mi

Average Pace

9:09 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:04

55% of race

Time at Steady Pace

59:13

25% of race

Time at Slower Pace

47:39

20% of race

Average Pace: 9:09 /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 mi11:43:3627:028:4227:02
8:42
#18895
10K
6.21 mi12:10:0053:268:3626:24
8:30
#18525
15K
9.32 mi12:36:281:19:548:3426:28
8:31
#18308
20K
12.43 mi13:02:401:46:068:3226:12
8:26
#17806
Half
13.11 mi13:08:231:51:498:325:43
8:23
#17744
25K
15.53 mi13:29:382:13:048:3421:15
8:46
#17723
30K
18.64 mi13:58:332:41:598:4128:55
9:18
#17915
20M
20.00 mi14:11:422:55:088:4513:09
9:41
#18078
21M
21.00 mi14:22:103:05:368:5010:28
10:28
#18211
35K
21.75 mi14:29:253:12:518:527:15
9:41
#18318
23M
23.00 mi14:42:523:26:188:5813:27
10:45
#18671
24M
24.00 mi14:54:103:37:369:0411:18
11:18
#19071
40K
24.85 mi15:02:583:46:249:078:48
10:18
#19181
25.2M
25.20 mi15:06:363:50:029:083:38
10:32
#19181
Finish
26.22 mi15:16:303:59:569:099:54
9:43
#19302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18895117391173917932(Top 67%)11459(Top 76%)11459(Top 217%)
10K6.21 mi3.10 mi18525+37011660+7911660+7918227(Top 68%)11599(Top 76%)11599(Top 219%)
15K9.32 mi3.11 mi18308+21711593+6711593+6717932(Top 67%)11459(Top 76%)11459(Top 217%)
20K12.43 mi3.11 mi17806+50211377+21611377+21616445(Top 62%)10815(Top 71%)10815(Top 205%)
Half13.11 mi0.68 mi17744+6211350+2711350+2716996(Top 64%)11094(Top 73%)11094(Top 210%)
25K15.53 mi2.42 mi17723+2111336+1411336+1417744(Top 67%)11300(Top 74%)11300(Top 214%)
30K18.64 mi3.11 mi17915-19211381-4511381-4518658(Top 70%)11630(Top 77%)11630(Top 220%)
20M20.00 mi1.36 mi18078-16311424-4311424-4319484(Top 73%)11896(Top 78%)11896(Top 225%)
21M21.00 mi1.00 mi18211-13311465-4111465-4119474(Top 73%)11829(Top 78%)11829(Top 224%)
35K21.75 mi0.75 mi18318-10711510-4511510-4520425(Top 77%)12216(Top 80%)12216(Top 231%)
23M23.00 mi1.25 mi18671-35311652-14211652-14221855(Top 82%)12835(Top 85%)12835(Top 243%)
24M24.00 mi1.00 mi19071-40011813-16111813-16123575(Top 89%)13619(Top 90%)13619(Top 258%)
40K24.85 mi0.85 mi19181-11011859-4611859-4620697(Top 78%)12232(Top 81%)12232(Top 231%)
25.2M25.20 mi0.35 mi1918111858+111858+119188(Top 72%)11560(Top 76%)11560(Top 219%)
Finish26.22 mi1.02 mi19302-12111898-4011898-4020829(Top 78%)12328(Top 81%)12328(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17932

Males

11459

M18-39

11459

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18227

Males

11599

M18-39

11599

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17932

Males

11459

M18-39

11459

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16445

Males

10815

M18-39

10815

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16996

Males

11094

M18-39

11094

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17744

Males

11300

M18-39

11300

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18658

Males

11630

M18-39

11630

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19484

Males

11896

M18-39

11896

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19474

Males

11829

M18-39

11829

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20425

Males

12216

M18-39

12216

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21855

Males

12835

M18-39

12835

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23575

Males

13619

M18-39

13619

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20697

Males

12232

M18-39

12232

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19188

Males

11560

M18-39

11560

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20829

Males

12328

M18-39

12328

Passing Analysis

Category:
Athletes Passed
1951
Passed By
2358
Net Change
-407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18895
5K → 10K587217+370#18895#18525
10K → 15K30285+217#18525#18308
15K → 20K52018+502#18308#17806
20K → Half708+62#17806#17744
Half → 25K128107+21#17744#17723
25K → 30K129321-192#17723#17915
30K → 20M45208-163#17915#18078
20M → 21M55188-133#18078#18211
21M → 35K21128-107#18211#18318
35K → 23M22375-353#18318#18671
23M → 24M9409-400#18671#19071
24M → 40K22132-110#19071#19181
40K → 25.2M20200#19181#19181
25.2M → Finish21142-121#19181#19302
TOTALS19512358-407
📊

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