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BOSTON MARATHON 2023

Kevin O'connor

Bib: 29046•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

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
9:08/mi
28:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
55:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:23:17
↑ 67↓ 78
20K· 12.43 mi
8:46/mi
1:50:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:56:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:18:03
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:46:09
↑ 181↓ 1480.2%
20M
9:11/mi
2:58:38
↑ 64↓ 500.2%
21M
9:02/mi
3:07:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
3:13:46
↑ 17↓ 861.7%
23M
8:43/mi
3:24:41
↑ 23↓ 630.6%
24M
8:34/mi
3:33:15
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:40:38
↓ 200.3%
25.2M
9:02/mi
3:43:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:52:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:13
Pace8:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3928:229:0828:22
9:08
-
10K
6.21 mi12:16:5855:418:5827:19
8:48
-0:20
15K
9.32 mi12:44:341:23:178:5627:36
8:53
+0:05
20K
12.43 mi13:11:491:50:328:5427:15
8:46
-0:07
Half
13.11 mi13:17:301:56:138:525:41
8:20
-0:26
25K
15.53 mi13:39:202:18:038:5321:50
9:00
+0:40
30K
18.64 mi14:07:262:46:098:5528:06
9:03
+0:03
20M
20.00 mi14:19:552:58:388:5612:29
9:11
+0:08
21M
21.00 mi14:28:573:07:408:569:02
9:02
-0:09
35K
21.75 mi14:35:033:13:468:556:06
8:09
-0:53
23M
23.00 mi14:45:583:24:418:5410:55
8:43
+0:34
24M
24.00 mi14:54:323:33:158:538:34
8:34
-0:09
40K
24.85 mi15:01:553:40:388:537:23
8:38
+0:04
25.2M
25.20 mi15:05:023:43:458:533:07
9:02
+0:24
Finish
26.22 mi15:13:223:52:058:518:20
8:11
-0:51

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

8:09 /mi

Average Pace

8:51 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:09

56% of race

Time at Steady Pace

1:42:56

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:49:3928:229:0828:22
9:08
#20972
10K
6.21 mi12:16:5855:418:5827:19
8:48
#20465
15K
9.32 mi12:44:341:23:178:5627:36
8:53
#20278
20K
12.43 mi13:11:491:50:328:5427:15
8:46
#19833
Half
13.11 mi13:17:301:56:138:525:41
8:20
#19684
25K
15.53 mi13:39:202:18:038:5321:50
9:00
#19553
30K
18.64 mi14:07:262:46:098:5528:06
9:03
#19171
20M
20.00 mi14:19:552:58:388:5612:29
9:11
#19032
21M
21.00 mi14:28:573:07:408:569:02
9:02
#18726
35K
21.75 mi14:35:033:13:468:556:06
8:09
#18538
23M
23.00 mi14:45:583:24:418:5410:55
8:43
#18304
24M
24.00 mi14:54:323:33:158:538:34
8:34
#18173
40K
24.85 mi15:01:553:40:388:537:23
8:38
#18030
25.2M
25.20 mi15:05:023:43:458:533:07
9:02
#17957
Finish
26.22 mi15:13:223:52:058:518:20
8:11
#17787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20972125951259519944(Top 75%)12268(Top 81%)12268(Top 232%)
10K6.21 mi3.10 mi20465+50712433+16212433+16219877(Top 75%)12228(Top 81%)12228(Top 231%)
15K9.32 mi3.11 mi20278+18712363+7012363+7019944(Top 75%)12268(Top 81%)12268(Top 232%)
20K12.43 mi3.11 mi19833+44512192+17112192+17118506(Top 70%)11688(Top 77%)11688(Top 221%)
Half13.11 mi0.68 mi19684+14912135+5712135+5716644(Top 63%)10946(Top 72%)10946(Top 207%)
25K15.53 mi2.42 mi19553+13112077+5812077+5818964(Top 71%)11830(Top 78%)11830(Top 224%)
30K18.64 mi3.11 mi19171+38211908+16911908+16917403(Top 65%)11081(Top 73%)11081(Top 210%)
20M20.00 mi1.36 mi19032+13911833+7511833+7517470(Top 66%)11015(Top 73%)11015(Top 208%)
21M21.00 mi1.00 mi18726+30611702+13111702+13113599(Top 51%)9326(Top 61%)9326(Top 176%)
35K21.75 mi0.75 mi18538+18811614+8811614+8813143(Top 49%)9058(Top 60%)9058(Top 171%)
23M23.00 mi1.25 mi18304+23411489+12511489+12514497(Top 54%)9585(Top 63%)9585(Top 181%)
24M24.00 mi1.00 mi18173+13111424+6511424+6514861(Top 56%)9702(Top 64%)9702(Top 184%)
40K24.85 mi0.85 mi18030+14311352+7211352+7214159(Top 53%)9317(Top 61%)9317(Top 176%)
25.2M25.20 mi0.35 mi17957+7311321+3111321+3112732(Top 48%)8645(Top 57%)8645(Top 164%)
Finish26.22 mi1.02 mi17787+17011242+7911242+7913277(Top 50%)8922(Top 59%)8922(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19944

Males

12268

M18-39

12268

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19877

Males

12228

M18-39

12228

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19944

Males

12268

M18-39

12268

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18506

Males

11688

M18-39

11688

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16644

Males

10946

M18-39

10946

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18964

Males

11830

M18-39

11830

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17403

Males

11081

M18-39

11081

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17470

Males

11015

M18-39

11015

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13599

Males

9326

M18-39

9326

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13143

Males

9058

M18-39

9058

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14497

Males

9585

M18-39

9585

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14861

Males

9702

M18-39

9702

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14159

Males

9317

M18-39

9317

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12732

Males

8645

M18-39

8645

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13277

Males

8922

M18-39

8922

Passing Analysis

Category:
Athletes Passed
3549
Passed By
364
Net Change
+3185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20972
5K → 10K639132+507#20972#20465
10K → 15K27689+187#20465#20278
15K → 20K46924+445#20278#19833
20K → Half1490+149#19833#19684
Half → 25K18150+131#19684#19553
25K → 30K40826+382#19553#19171
30K → 20M15920+139#19171#19032
20M → 21M3082+306#19032#18726
21M → 35K1880+188#18726#18538
35K → 23M2428+234#18538#18304
23M → 24M1354+131#18304#18173
24M → 40K1463+143#18173#18030
40K → 25.2M730+73#18030#17957
25.2M → Finish1766+170#17957#17787
TOTALS3549364+3185
📊

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