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BOSTON MARATHON 2023

Colin Connolly

Bib: 30321•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
9:38/mi
29:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:40/mi
56:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:23:27
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:50:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:56:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:17:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:45:06
↑ 181↓ 1480.2%
20M
9:02/mi
2:57:23
↑ 64↓ 500.2%
21M
9:26/mi
3:06:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:13:35
↑ 17↓ 861.7%
23M
9:28/mi
3:25:26
↑ 23↓ 630.6%
24M
9:29/mi
3:34:55
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:43:01
↓ 200.3%
25.2M
10:00/mi
3:46:28
↑ 13↓ 160.2%
Finish· 26.22 mi
9:07/mi
3:55:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:06
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time1:59:39
Pace9:08 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5229:559:3829:55
9:38
-
10K
6.21 mi12:17:4756:509:0926:55
8:40
-0:58
15K
9.32 mi12:44:241:23:278:5726:37
8:34
-0:06
20K
12.43 mi13:11:121:50:158:5226:48
8:38
+0:04
Half
13.11 mi13:17:031:56:068:515:51
8:34
-0:04
25K
15.53 mi13:38:062:17:098:5021:03
8:41
+0:07
30K
18.64 mi14:06:032:45:068:5127:57
9:00
+0:19
20M
20.00 mi14:18:202:57:238:5212:17
9:02
+0:02
21M
21.00 mi14:27:463:06:498:549:26
9:26
+0:24
35K
21.75 mi14:34:323:13:358:546:46
9:03
-0:23
23M
23.00 mi14:46:233:25:268:5611:51
9:28
+0:25
24M
24.00 mi14:55:523:34:558:579:29
9:29
+0:01
40K
24.85 mi15:03:583:43:018:588:06
9:28
-0:01
25.2M
25.20 mi15:07:253:46:288:593:27
10:00
+0:32
Finish
26.22 mi15:16:423:55:459:009:17
9:07
-0:53

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

8:34 /mi

Average Pace

9:00 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:31

69% of race

Time at Steady Pace

1:12:14

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:50:5229:559:3829:55
9:38
#22452
10K
6.21 mi12:17:4756:509:0926:55
8:40
#21231
15K
9.32 mi12:44:241:23:278:5726:37
8:34
#20353
20K
12.43 mi13:11:121:50:158:5226:48
8:38
#19706
Half
13.11 mi13:17:031:56:068:515:51
8:34
#19633
25K
15.53 mi13:38:062:17:098:5021:03
8:41
#19253
30K
18.64 mi14:06:032:45:068:5127:57
9:00
#18866
20M
20.00 mi14:18:202:57:238:5212:17
9:02
#18728
21M
21.00 mi14:27:463:06:498:549:26
9:26
#18524
35K
21.75 mi14:34:323:13:358:546:46
9:03
#18497
23M
23.00 mi14:46:233:25:268:5611:51
9:28
#18471
24M
24.00 mi14:55:523:34:558:579:29
9:29
#18519
40K
24.85 mi15:03:583:43:018:588:06
9:28
#18513
25.2M
25.20 mi15:07:253:46:288:593:27
10:00
#18492
Finish
26.22 mi15:16:423:55:459:009:17
9:07
#18506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22452133201332018237(Top 69%)11580(Top 76%)11580(Top 219%)
10K6.21 mi3.10 mi21231+122112774+54612774+54619206(Top 72%)11980(Top 79%)11980(Top 227%)
15K9.32 mi3.11 mi20353+87812398+37612398+37618237(Top 69%)11580(Top 76%)11580(Top 219%)
20K12.43 mi3.11 mi19706+64712136+26212136+26217655(Top 66%)11313(Top 75%)11313(Top 214%)
Half13.11 mi0.68 mi19633+7312110+2612110+2618147(Top 68%)11553(Top 76%)11553(Top 219%)
25K15.53 mi2.42 mi19253+38011961+14911961+14917278(Top 65%)11103(Top 73%)11103(Top 210%)
30K18.64 mi3.11 mi18866+38711785+17611785+17617147(Top 64%)10971(Top 72%)10971(Top 208%)
20M20.00 mi1.36 mi18728+13811708+7711708+7716743(Top 63%)10725(Top 71%)10725(Top 203%)
21M21.00 mi1.00 mi18524+20411614+9411614+9415645(Top 59%)10206(Top 67%)10206(Top 193%)
35K21.75 mi0.75 mi18497+2711590+2411590+2418069(Top 68%)11171(Top 74%)11171(Top 211%)
23M23.00 mi1.25 mi18471+2611567+2311567+2318177(Top 68%)11195(Top 74%)11195(Top 212%)
24M24.00 mi1.00 mi18519-4811580-1311580-1319140(Top 72%)11593(Top 76%)11593(Top 219%)
40K24.85 mi0.85 mi18513+611570+1011570+1018238(Top 69%)11149(Top 73%)11149(Top 211%)
25.2M25.20 mi0.35 mi18492+2111552+1811552+1817371(Top 65%)10724(Top 71%)10724(Top 203%)
Finish26.22 mi1.02 mi18506-1411548+411548+418495(Top 69%)11308(Top 75%)11308(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18237

Males

11580

M18-39

11580

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19206

Males

11980

M18-39

11980

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18237

Males

11580

M18-39

11580

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17655

Males

11313

M18-39

11313

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18147

Males

11553

M18-39

11553

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17278

Males

11103

M18-39

11103

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

17147

Males

10971

M18-39

10971

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16743

Males

10725

M18-39

10725

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15645

Males

10206

M18-39

10206

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18069

Males

11171

M18-39

11171

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18177

Males

11195

M18-39

11195

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19140

Males

11593

M18-39

11593

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18238

Males

11149

M18-39

11149

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17371

Males

10724

M18-39

10724

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18495

Males

11308

M18-39

11308

Passing Analysis

Category:
Athletes Passed
4342
Passed By
396
Net Change
+3946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22452
5K → 10K12309+1221#22452#21231
10K → 15K8824+878#21231#20353
15K → 20K6525+647#20353#19706
20K → Half829+73#19706#19633
Half → 25K3888+380#19633#19253
25K → 30K41427+387#19253#18866
30K → 20M16022+138#18866#18728
20M → 21M21713+204#18728#18524
21M → 35K5730+27#18524#18497
35K → 23M8963+26#18497#18471
23M → 24M4088-48#18471#18519
24M → 40K5549+6#18519#18513
40K → 25.2M3413+21#18513#18492
25.2M → Finish4256-14#18492#18506
TOTALS4342396+3946
📊

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