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BOSTON MARATHON 2023

Kevin O'Connell

Bib: 4360•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
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
22:16
Rank: #7310
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
44:40
Rank: #7681 (-371)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:06
Rank: #7740 (-59)
10K → 15K
22:26 | 7:13/mi
20K· 12.43 mi
1:29:47
Rank: #7733 (+7)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:34:45
Rank: #7753 (-20)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:52:59
Rank: #7885 (-132)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:17:10
Rank: #8071 (-186)
25K → 30K
24:11 | 7:47/mi
20M
2:27:49
Rank: #8104 (-33)
30K → 20M
10:39 | 7:50/mi
21M
2:36:09
Rank: #8156 (-52)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:41:50
Rank: #8179 (-23)
21M → 35K
5:41 | 7:36/mi
23M
2:51:48
Rank: #8222 (-43)
35K → 23M
9:58 | 7:58/mi
24M
2:59:43
Rank: #8318 (-96)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:06:28
Rank: #8331 (-13)
24M → 40K
6:45 | 7:54/mi
25.2M
3:09:31
Rank: #8367 (-36)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:17:41
Rank: #8521 (-154)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:45
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0322:167:1022:16
7:10
-
10K
6.21 mi10:46:2744:407:1122:24
7:13
+0:03
15K
9.32 mi11:08:531:07:067:1222:26
7:13
0:00
20K
12.43 mi11:31:341:29:477:1322:41
7:18
+0:05
Half
13.11 mi11:36:321:34:457:144:58
7:17
-0:01
25K
15.53 mi11:54:461:52:597:1618:14
7:31
+0:14
30K
18.64 mi12:18:572:17:107:2124:11
7:47
+0:16
20M
20.00 mi12:29:362:27:497:2310:39
7:50
+0:03
21M
21.00 mi12:37:562:36:097:268:20
8:20
+0:30
35K
21.75 mi12:43:372:41:507:265:41
7:36
-0:44
23M
23.00 mi12:53:352:51:487:289:58
7:58
+0:22
24M
24.00 mi13:01:302:59:437:297:55
7:55
-0:03
40K
24.85 mi13:08:153:06:287:306:45
7:54
-0:01
25.2M
25.20 mi13:11:183:09:317:313:03
8:51
+0:57
Finish
26.22 mi13:19:283:17:417:338:10
8:01
-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

7:10 /mi

Average Pace

7:33 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:59

57% of race

Time at Steady Pace

1:05:09

33% of race

Time at Slower Pace

19:33

10% of race

Average Pace: 7:32 /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 mi10:24:0322:167:1022:16
7:10
#7310
10K
6.21 mi10:46:2744:407:1122:24
7:13
#7681
15K
9.32 mi11:08:531:07:067:1222:26
7:13
#7740
20K
12.43 mi11:31:341:29:477:1322:41
7:18
#7733
Half
13.11 mi11:36:321:34:457:144:58
7:17
#7753
25K
15.53 mi11:54:461:52:597:1618:14
7:31
#7885
30K
18.64 mi12:18:572:17:107:2124:11
7:47
#8071
20M
20.00 mi12:29:362:27:497:2310:39
7:50
#8104
21M
21.00 mi12:37:562:36:097:268:20
8:20
#8156
35K
21.75 mi12:43:372:41:507:265:41
7:36
#8179
23M
23.00 mi12:53:352:51:487:289:58
7:58
#8222
24M
24.00 mi13:01:302:59:437:297:55
7:55
#8318
40K
24.85 mi13:08:153:06:287:306:45
7:54
#8331
25.2M
25.20 mi13:11:183:09:317:313:03
8:51
#8367
Finish
26.22 mi13:19:283:17:417:338:10
8:01
#8521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7310650865087939(Top 30%)6884(Top 45%)6884(Top 130%)
10K6.21 mi3.10 mi7681-3716758-2506758-2508165(Top 31%)7055(Top 46%)7055(Top 133%)
15K9.32 mi3.11 mi7740-596786-286786-287939(Top 30%)6884(Top 45%)6884(Top 130%)
20K12.43 mi3.11 mi7733+76768+186768+187791(Top 29%)6754(Top 45%)6754(Top 128%)
Half13.11 mi0.68 mi7753-206771-36771-38421(Top 32%)7160(Top 47%)7160(Top 135%)
25K15.53 mi2.42 mi7885-1326840-696840-698907(Top 33%)7372(Top 49%)7372(Top 139%)
30K18.64 mi3.11 mi8071-1866917-776917-779219(Top 35%)7402(Top 49%)7402(Top 140%)
20M20.00 mi1.36 mi8104-336923-66923-69124(Top 34%)7262(Top 48%)7262(Top 137%)
21M21.00 mi1.00 mi8156-526933-106933-109397(Top 35%)7284(Top 48%)7284(Top 138%)
35K21.75 mi0.75 mi8179-236935-26935-29205(Top 35%)7182(Top 47%)7182(Top 136%)
23M23.00 mi1.25 mi8222-436945-106945-109455(Top 36%)7201(Top 47%)7201(Top 136%)
24M24.00 mi1.00 mi8318-966986-416986-4110603(Top 40%)7699(Top 51%)7699(Top 146%)
40K24.85 mi0.85 mi8331-136976+106976+109270(Top 35%)6956(Top 46%)6956(Top 132%)
25.2M25.20 mi0.35 mi8367-366984-86984-811493(Top 43%)8007(Top 53%)8007(Top 152%)
Finish26.22 mi1.02 mi8521-1547063-797063-7912192(Top 46%)8367(Top 55%)8367(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7939

Males

6884

M18-39

6884

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8165

Males

7055

M18-39

7055

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7939

Males

6884

M18-39

6884

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7791

Males

6754

M18-39

6754

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8421

Males

7160

M18-39

7160

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8907

Males

7372

M18-39

7372

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9219

Males

7402

M18-39

7402

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9124

Males

7262

M18-39

7262

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9397

Males

7284

M18-39

7284

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9205

Males

7182

M18-39

7182

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9455

Males

7201

M18-39

7201

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10603

Males

7699

M18-39

7699

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9270

Males

6956

M18-39

6956

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11493

Males

8007

M18-39

8007

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12192

Males

8367

M18-39

8367

Passing Analysis

Category:
Athletes Passed
849
Passed By
2060
Net Change
-1211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7310
5K → 10K96467-371#7310#7681
10K → 15K112171-59#7681#7740
15K → 20K112105+7#7740#7733
20K → Half2242-20#7733#7753
Half → 25K59191-132#7753#7885
25K → 30K65251-186#7885#8071
30K → 20M75108-33#8071#8104
20M → 21M57109-52#8104#8156
21M → 35K4063-23#8156#8179
35K → 23M72115-43#8179#8222
23M → 24M38134-96#8222#8318
24M → 40K5164-13#8318#8331
40K → 25.2M2359-36#8331#8367
25.2M → Finish27181-154#8367#8521
TOTALS8492060-1211
📊

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