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BOSTON MARATHON 2023

Nicholas Clark

Bib: 27580•M

NH

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:50
Rank: #13968
Start → 5K
8:00/mi
24:50 split
10K· 6.21 mi
50:17
Rank: #15055 (-1087)
5K → 10K
8:11/mi
25:27 split
15K· 9.32 mi
1:17:21
Rank: #16505 (-1450)
10K → 15K
8:43/mi
27:04 split
20K· 12.43 mi
1:45:58
Rank: #17741 (-1236)
15K → 20K
9:13/mi
28:37 split
Half· 13.11 mi
1:52:44
Rank: #18206 (-465)
20K → Half
9:55/mi
6:46 split
25K· 15.53 mi
2:17:44
Rank: #19438 (-1232)
Half → 25K
10:19/mi
25:00 split
30K· 18.64 mi
2:55:23
Rank: #21199 (-1761)
25K → 30K
12:07/mi
37:39 split
20M
3:12:12
Rank: #21606 (-407)
30K → 20M
12:22/mi
16:49 split
21M
3:24:26
Rank: #21751 (-145)
20M → 21M
12:14/mi
12:14 split
35K· 21.75 mi
3:32:58
Rank: #21870 (-119)
21M → 35K
11:24/mi
8:32 split
23M
3:46:43
Rank: #21896 (-26)
35K → 23M
10:59/mi
13:45 split
24M
3:57:15
Rank: #21910 (-14)
23M → 24M
10:32/mi
10:32 split
40K· 24.85 mi
4:08:25
Rank: #22097 (-187)
24M → 40K
13:04/mi
11:10 split
25.2M
4:13:25
Rank: #22188 (-91)
40K → 25.2M
14:30/mi
5:00 split
Finish· 26.22 mi
4:24:13
Rank: #22240 (-52)
25.2M → Finish
10:36/mi
10:48 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:44
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:31:29
Pace11:33 /mi
📊Positive Split: 34.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5024:508:0024:50
8:00
-
10K
6.21 mi12:07:1750:178:0625:27
8:11
+0:11
15K
9.32 mi12:34:211:17:218:1827:04
8:43
+0:32
20K
12.43 mi13:02:581:45:588:3228:37
9:13
+0:30
Half
13.11 mi13:09:441:52:448:366:46
9:55
+0:42
25K
15.53 mi13:34:442:17:448:5225:00
10:19
+0:24
30K
18.64 mi14:12:232:55:239:2537:39
12:07
+1:48
20M
20.00 mi14:29:123:12:129:3716:49
12:22
+0:15
21M
21.00 mi14:41:263:24:269:4412:14
12:14
-0:08
35K
21.75 mi14:49:583:32:589:488:32
11:24
-0:50
23M
23.00 mi15:03:433:46:439:5113:45
10:59
-0:25
24M
24.00 mi15:14:153:57:159:5310:32
10:32
-0:27
40K
24.85 mi15:25:254:08:2510:0011:10
13:04
+2:32
25.2M
25.20 mi15:30:254:13:2510:035:00
14:30
+1:26
Finish
26.22 mi15:41:134:24:1310:0510:48
10:36
-3:54

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

8:00 /mi

Average Pace

10:05 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:58

40% of race

Time at Steady Pace

1:15:23

29% of race

Time at Slower Pace

1:22:52

31% of race

Average Pace: 10:05 /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 mi11:41:5024:508:0024:50
8:00
#13968
10K
6.21 mi12:07:1750:178:0625:27
8:11
#15055
15K
9.32 mi12:34:211:17:218:1827:04
8:43
#16505
20K
12.43 mi13:02:581:45:588:3228:37
9:13
#17741
Half
13.11 mi13:09:441:52:448:366:46
9:55
#18206
25K
15.53 mi13:34:442:17:448:5225:00
10:19
#19438
30K
18.64 mi14:12:232:55:239:2537:39
12:07
#21199
20M
20.00 mi14:29:123:12:129:3716:49
12:22
#21606
21M
21.00 mi14:41:263:24:269:4412:14
12:14
#21751
35K
21.75 mi14:49:583:32:589:488:32
11:24
#21870
23M
23.00 mi15:03:433:46:439:5113:45
10:59
#21896
24M
24.00 mi15:14:153:57:159:5310:32
10:32
#21910
40K
24.85 mi15:25:254:08:2510:0011:10
13:04
#22097
25.2M
25.20 mi15:30:254:13:2510:035:00
14:30
#22188
Finish
26.22 mi15:41:134:24:1310:0510:48
10:36
#22240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi139689942994219043(Top 72%)11896(Top 78%)11896(Top 225%)
10K6.21 mi3.10 mi15055-108710357-41510357-41516193(Top 61%)10782(Top 71%)10782(Top 204%)
15K9.32 mi3.11 mi16505-145010889-53210889-53219043(Top 72%)11896(Top 78%)11896(Top 225%)
20K12.43 mi3.11 mi17741-123611352-46311352-46320621(Top 77%)12585(Top 83%)12585(Top 238%)
Half13.11 mi0.68 mi18206-46511549-19711549-19723098(Top 87%)13666(Top 90%)13666(Top 259%)
25K15.53 mi2.42 mi19438-123212037-48812037-48822862(Top 86%)13533(Top 89%)13533(Top 256%)
30K18.64 mi3.11 mi21199-176112785-74812785-74824621(Top 92%)14247(Top 94%)14247(Top 270%)
20M20.00 mi1.36 mi21606-40712961-17612961-17624603(Top 92%)14188(Top 93%)14188(Top 268%)
21M21.00 mi1.00 mi21751-14513012-5113012-5123090(Top 87%)13474(Top 89%)13474(Top 255%)
35K21.75 mi0.75 mi21870-11913060-4813060-4823964(Top 90%)13827(Top 91%)13827(Top 262%)
23M23.00 mi1.25 mi21896-2613062-213062-222300(Top 84%)13060(Top 86%)13060(Top 247%)
24M24.00 mi1.00 mi21910-14130621306222098(Top 83%)12923(Top 85%)12923(Top 245%)
40K24.85 mi0.85 mi22097-18713131-6913131-6924981(Top 94%)14292(Top 94%)14292(Top 270%)
25.2M25.20 mi0.35 mi22188-9113172-4113172-4125390(Top 95%)14490(Top 95%)14490(Top 274%)
Finish26.22 mi1.02 mi22240-5213189-1713189-1723201(Top 87%)13430(Top 88%)13430(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19043

Males

11896

M18-39

11896

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16193

Males

10782

M18-39

10782

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19043

Males

11896

M18-39

11896

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20621

Males

12585

M18-39

12585

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23098

Males

13666

M18-39

13666

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22862

Males

13533

M18-39

13533

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24621

Males

14247

M18-39

14247

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24603

Males

14188

M18-39

14188

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23090

Males

13474

M18-39

13474

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23964

Males

13827

M18-39

13827

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22300

Males

13060

M18-39

13060

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22098

Males

12923

M18-39

12923

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24981

Males

14292

M18-39

14292

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25390

Males

14490

M18-39

14490

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23201

Males

13430

M18-39

13430

Passing Analysis

Category:
Athletes Passed
250
Passed By
8522
Net Change
-8272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13968
5K → 10K451132-1087#13968#15055
10K → 15K121462-1450#15055#16505
15K → 20K201256-1236#16505#17741
20K → Half2467-465#17741#18206
Half → 25K61238-1232#18206#19438
25K → 30K61767-1761#19438#21199
30K → 20M16423-407#21199#21606
20M → 21M22167-145#21606#21751
21M → 35K10129-119#21751#21870
35K → 23M4874-26#21870#21896
23M → 24M3549-14#21896#21910
24M → 40K8195-187#21910#22097
40K → 25.2M394-91#22097#22188
25.2M → Finish1769-52#22188#22240
TOTALS2508522-8272
📊

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