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BOSTON MARATHON 2023

Nicholas Morrow

Bib: 2472•M

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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
21:06
Rank: #4619
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
43:05
Rank: #6076 (-1457)
5K → 10K
21:59 | 7:05/mi
15K· 9.32 mi
1:05:28
Rank: #6646 (-570)
10K → 15K
22:23 | 7:12/mi
20K· 12.43 mi
1:29:56
Rank: #7810 (-1164)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:34:55
Rank: #7839 (-29)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:34
Rank: #9138 (-1299)
Half → 25K
20:39 | 8:31/mi
30K· 18.64 mi
2:27:39
Rank: #12640 (-3502)
25K → 30K
32:05 | 10:20/mi
20M
2:44:10
Rank: #14617 (-1977)
30K → 20M
16:31 | 12:09/mi
21M
2:55:56
Rank: #15377 (-760)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:03:36
Rank: #15758 (-381)
21M → 35K
7:40 | 10:15/mi
23M
3:15:20
Rank: #15905 (-147)
35K → 23M
11:44 | 9:22/mi
24M
3:24:28
Rank: #16002 (-97)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:34:20
Rank: #16538 (-536)
24M → 40K
9:52 | 11:32/mi
25.2M
3:37:53
Rank: #16577 (-39)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:48:10
Rank: #16900 (-323)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:55
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time2:13:15
Pace10:10 /mi
📊Positive Split: 40.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0721:066:4721:06
6:47
-
10K
6.21 mi10:44:0643:056:5621:59
7:05
+0:18
15K
9.32 mi11:06:291:05:287:0122:23
7:12
+0:07
20K
12.43 mi11:30:571:29:567:1424:28
7:53
+0:41
Half
13.11 mi11:35:561:34:557:144:59
7:18
-0:35
25K
15.53 mi11:56:351:55:347:2620:39
8:31
+1:13
30K
18.64 mi12:28:402:27:397:5532:05
10:20
+1:49
20M
20.00 mi12:45:112:44:108:1216:31
12:09
+1:49
21M
21.00 mi12:56:572:55:568:2311:46
11:46
-0:23
35K
21.75 mi13:04:373:03:368:277:40
10:15
-1:31
23M
23.00 mi13:16:213:15:208:3011:44
9:22
-0:53
24M
24.00 mi13:25:293:24:288:319:08
9:08
-0:14
40K
24.85 mi13:35:213:34:208:379:52
11:32
+2:24
25.2M
25.20 mi13:38:543:37:538:393:33
10:18
-1:14
Finish
26.22 mi13:49:113:48:108:4310:17
10:05
-0:13

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

6:47 /mi

Average Pace

8:43 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:55

42% of race

Time at Steady Pace

51:48

23% of race

Time at Slower Pace

1:21:27

36% of race

Average Pace: 8:42 /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 mi10:22:0721:066:4721:06
6:47
#4619
10K
6.21 mi10:44:0643:056:5621:59
7:05
#6076
15K
9.32 mi11:06:291:05:287:0122:23
7:12
#6646
20K
12.43 mi11:30:571:29:567:1424:28
7:53
#7810
Half
13.11 mi11:35:561:34:557:144:59
7:18
#7839
25K
15.53 mi11:56:351:55:347:2620:39
8:31
#9138
30K
18.64 mi12:28:402:27:397:5532:05
10:20
#12640
20M
20.00 mi12:45:112:44:108:1216:31
12:09
#14617
21M
21.00 mi12:56:572:55:568:2311:46
11:46
#15377
35K
21.75 mi13:04:373:03:368:277:40
10:15
#15758
23M
23.00 mi13:16:213:15:208:3011:44
9:22
#15905
24M
24.00 mi13:25:293:24:288:319:08
9:08
#16002
40K
24.85 mi13:35:213:34:208:379:52
11:32
#16538
25.2M
25.20 mi13:38:543:37:538:393:33
10:18
#16577
Finish
26.22 mi13:49:113:48:108:4310:17
10:05
#16900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4619430743077838(Top 29%)6815(Top 45%)6815(Top 129%)
10K6.21 mi3.10 mi6076-14575548-12415548-12417295(Top 27%)6451(Top 43%)6451(Top 122%)
15K9.32 mi3.11 mi6646-5705989-4415989-4417838(Top 29%)6815(Top 45%)6815(Top 129%)
20K12.43 mi3.11 mi7810-11646817-8286817-82812393(Top 47%)9189(Top 61%)9189(Top 174%)
Half13.11 mi0.68 mi7839-296835-186835-188664(Top 33%)7328(Top 48%)7328(Top 139%)
25K15.53 mi2.42 mi9138-12997633-7987633-79816293(Top 61%)10666(Top 70%)10666(Top 202%)
30K18.64 mi3.11 mi12640-35029282-16499282-164921832(Top 82%)13002(Top 86%)13002(Top 246%)
20M20.00 mi1.36 mi14617-197710063-78110063-78124377(Top 92%)14078(Top 93%)14078(Top 266%)
21M21.00 mi1.00 mi15377-76010314-25110314-25122340(Top 84%)13129(Top 87%)13129(Top 248%)
35K21.75 mi0.75 mi15758-38110450-13610450-13621861(Top 82%)12864(Top 85%)12864(Top 243%)
23M23.00 mi1.25 mi15905-14710481-3110481-3117801(Top 67%)11029(Top 73%)11029(Top 209%)
24M24.00 mi1.00 mi16002-9710511-3010511-3017792(Top 67%)10974(Top 72%)10974(Top 208%)
40K24.85 mi0.85 mi16538-53610730-21910730-21923258(Top 87%)13430(Top 88%)13430(Top 254%)
25.2M25.20 mi0.35 mi16577-3910742-1210742-1218413(Top 69%)11205(Top 74%)11205(Top 212%)
Finish26.22 mi1.02 mi16900-32310858-11610858-11621992(Top 83%)12854(Top 85%)12854(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7838

Males

6815

M18-39

6815

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7295

Males

6451

M18-39

6451

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7838

Males

6815

M18-39

6815

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12393

Males

9189

M18-39

9189

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8664

Males

7328

M18-39

7328

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16293

Males

10666

M18-39

10666

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21832

Males

13002

M18-39

13002

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24377

Males

14078

M18-39

14078

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22340

Males

13129

M18-39

13129

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21861

Males

12864

M18-39

12864

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17801

Males

11029

M18-39

11029

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17792

Males

10974

M18-39

10974

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23258

Males

13430

M18-39

13430

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18413

Males

11205

M18-39

11205

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21992

Males

12854

M18-39

12854

Passing Analysis

Category:
Athletes Passed
192
Passed By
12471
Net Change
-12281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4619
5K → 10K81465-1457#4619#6076
10K → 15K18588-570#6076#6646
15K → 20K51169-1164#6646#7810
20K → Half1544-29#7810#7839
Half → 25K41303-1299#7839#9138
25K → 30K23502-3502#9138#12640
30K → 20M51982-1977#12640#14617
20M → 21M7767-760#14617#15377
21M → 35K1382-381#15377#15758
35K → 23M38185-147#15758#15905
23M → 24M47144-97#15905#16002
24M → 40K5541-536#16002#16538
40K → 25.2M2261-39#16538#16577
25.2M → Finish15338-323#16577#16900
TOTALS19212471-12281
📊

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