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BOSTON MARATHON 2023

Andrew Quam

Bib: 3635•M

SD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
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
20:51
Rank: #3783
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:30
Rank: #3771 (+12)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:17
Rank: #3852 (-81)
10K → 15K
20:47 | 6:41/mi
20K· 12.43 mi
1:23:22
Rank: #3952 (-100)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:27:58
Rank: #3987 (-35)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:48
Rank: #4183 (-196)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:07:40
Rank: #4741 (-558)
25K → 30K
22:52 | 7:22/mi
20M
2:18:00
Rank: #4985 (-244)
30K → 20M
10:20 | 7:36/mi
21M
2:26:14
Rank: #5180 (-195)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:31:59
Rank: #5313 (-133)
21M → 35K
5:45 | 7:41/mi
23M
2:42:22
Rank: #5583 (-270)
35K → 23M
10:23 | 8:18/mi
24M
2:50:45
Rank: #5815 (-232)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
2:58:28
Rank: #6113 (-298)
24M → 40K
7:43 | 9:02/mi
25.2M
3:01:30
Rank: #6161 (-48)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:09:34
Rank: #6320 (-159)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:41:36
Pace7:45 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0920:516:4320:51
6:43
-
10K
6.21 mi10:42:4841:306:4120:39
6:39
-0:04
15K
9.32 mi11:03:351:02:176:4120:47
6:41
+0:02
20K
12.43 mi11:24:401:23:226:4221:05
6:47
+0:06
Half
13.11 mi11:29:161:27:586:434:36
6:45
-0:02
25K
15.53 mi11:46:061:44:486:4516:50
6:57
+0:12
30K
18.64 mi12:08:582:07:406:5122:52
7:22
+0:25
20M
20.00 mi12:19:182:18:006:5410:20
7:36
+0:14
21M
21.00 mi12:27:322:26:146:588:14
8:14
+0:38
35K
21.75 mi12:33:172:31:596:595:45
7:41
-0:33
23M
23.00 mi12:43:402:42:227:0410:23
8:18
+0:37
24M
24.00 mi12:52:032:50:457:078:23
8:23
+0:05
40K
24.85 mi12:59:462:58:287:117:43
9:02
+0:39
25.2M
25.20 mi13:02:483:01:307:123:02
8:48
-0:14
Finish
26.22 mi13:10:523:09:347:148:04
7:55
-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

6:39 /mi

Average Pace

7:14 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:48

55% of race

Time at Steady Pace

47:01

25% of race

Time at Slower Pace

37:45

20% of race

Average Pace: 7:14 /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 mi10:22:0920:516:4320:51
6:43
#3783
10K
6.21 mi10:42:4841:306:4120:39
6:39
#3771
15K
9.32 mi11:03:351:02:176:4120:47
6:41
#3852
20K
12.43 mi11:24:401:23:226:4221:05
6:47
#3952
Half
13.11 mi11:29:161:27:586:434:36
6:45
#3987
25K
15.53 mi11:46:061:44:486:4516:50
6:57
#4183
30K
18.64 mi12:08:582:07:406:5122:52
7:22
#4741
20M
20.00 mi12:19:182:18:006:5410:20
7:36
#4985
21M
21.00 mi12:27:322:26:146:588:14
8:14
#5180
35K
21.75 mi12:33:172:31:596:595:45
7:41
#5313
23M
23.00 mi12:43:402:42:227:0410:23
8:18
#5583
24M
24.00 mi12:52:032:50:457:078:23
8:23
#5815
40K
24.85 mi12:59:462:58:287:117:43
9:02
#6113
25.2M
25.20 mi13:02:483:01:307:123:02
8:48
#6161
Finish
26.22 mi13:10:523:09:347:148:04
7:55
#6320
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3783355735574042(Top 15%)3798(Top 25%)3798(Top 72%)
10K6.21 mi3.10 mi3771+123554+33554+33873(Top 15%)3650(Top 24%)3650(Top 69%)
15K9.32 mi3.11 mi3852-813630-763630-764042(Top 15%)3798(Top 25%)3798(Top 72%)
20K12.43 mi3.11 mi3952-1003718-883718-884329(Top 16%)4046(Top 27%)4046(Top 77%)
Half13.11 mi0.68 mi3987-353750-323750-324817(Top 18%)4479(Top 30%)4479(Top 85%)
25K15.53 mi2.42 mi4183-1963921-1713921-1715256(Top 20%)4848(Top 32%)4848(Top 92%)
30K18.64 mi3.11 mi4741-5584417-4964417-4966365(Top 24%)5632(Top 37%)5632(Top 107%)
20M20.00 mi1.36 mi4985-2444623-2064623-2067487(Top 28%)6263(Top 41%)6263(Top 119%)
21M21.00 mi1.00 mi5180-1954782-1594782-1598762(Top 33%)6917(Top 46%)6917(Top 131%)
35K21.75 mi0.75 mi5313-1334886-1044886-1049783(Top 37%)7496(Top 49%)7496(Top 142%)
23M23.00 mi1.25 mi5583-2705105-2195105-21911800(Top 44%)8365(Top 55%)8365(Top 158%)
24M24.00 mi1.00 mi5815-2325268-1635268-16313707(Top 51%)9166(Top 60%)9166(Top 173%)
40K24.85 mi0.85 mi6113-2985488-2205488-22016231(Top 61%)10212(Top 67%)10212(Top 193%)
25.2M25.20 mi0.35 mi6161-485518-305518-3011200(Top 42%)7863(Top 52%)7863(Top 149%)
Finish26.22 mi1.02 mi6320-1595627-1095627-10911464(Top 43%)8012(Top 53%)8012(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4042

Males

3798

M18-39

3798

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3873

Males

3650

M18-39

3650

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4042

Males

3798

M18-39

3798

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4329

Males

4046

M18-39

4046

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4817

Males

4479

M18-39

4479

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5256

Males

4848

M18-39

4848

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6365

Males

5632

M18-39

5632

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7487

Males

6263

M18-39

6263

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8762

Males

6917

M18-39

6917

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9783

Males

7496

M18-39

7496

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11800

Males

8365

M18-39

8365

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13707

Males

9166

M18-39

9166

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16231

Males

10212

M18-39

10212

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11200

Males

7863

M18-39

7863

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11464

Males

8012

M18-39

8012

Passing Analysis

Category:
Athletes Passed
558
Passed By
3095
Net Change
-2537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3783
5K → 10K215203+12#3783#3771
10K → 15K72153-81#3771#3852
15K → 20K82182-100#3852#3952
20K → Half843-35#3952#3987
Half → 25K32228-196#3987#4183
25K → 30K29587-558#4183#4741
30K → 20M20264-244#4741#4985
20M → 21M17212-195#4985#5180
21M → 35K12145-133#5180#5313
35K → 23M23293-270#5313#5583
23M → 24M10242-232#5583#5815
24M → 40K10308-298#5815#6113
40K → 25.2M856-48#6113#6161
25.2M → Finish20179-159#6161#6320
TOTALS5583095-2537
📊

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