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BOSTON MARATHON 2023

Davis Clarke

Bib: 4400•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #2389
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
39:43
Rank: #1943 (+446)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:39
Rank: #1550 (+393)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:17:27
Rank: #1245 (+305)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:21:30
Rank: #1206 (+39)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:36:11
Rank: #1100 (+106)
Half → 25K
14:41 | 6:03/mi
30K· 18.64 mi
1:55:27
Rank: #999 (+101)
25K → 30K
19:16 | 6:12/mi
20M
2:04:06
Rank: #993 (+6)
30K → 20M
8:39 | 6:22/mi
21M
2:10:59
Rank: #1002 (-9)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:15:38
Rank: #993 (+9)
21M → 35K
4:39 | 6:13/mi
23M
2:23:49
Rank: #1008 (-15)
35K → 23M
8:11 | 6:32/mi
24M
2:30:16
Rank: #1026 (-18)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:36:03
Rank: #1065 (-39)
24M → 40K
5:47 | 6:46/mi
25.2M
2:38:36
Rank: #1078 (-13)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:45:35
Rank: #1151 (-73)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:30
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:24:05
Pace6:25 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1720:166:3120:16
6:31
-
10K
6.21 mi10:41:4439:436:2419:27
6:16
-0:15
15K
9.32 mi11:00:4058:396:1818:56
6:06
-0:10
20K
12.43 mi11:19:281:17:276:1418:48
6:03
-0:03
Half
13.11 mi11:23:311:21:306:134:03
5:56
-0:07
25K
15.53 mi11:38:121:36:116:1214:41
6:03
+0:07
30K
18.64 mi11:57:281:55:276:1219:16
6:12
+0:09
20M
20.00 mi12:06:072:04:066:128:39
6:22
+0:10
21M
21.00 mi12:13:002:10:596:146:53
6:53
+0:31
35K
21.75 mi12:17:392:15:386:144:39
6:13
-0:40
23M
23.00 mi12:25:502:23:496:158:11
6:32
+0:19
24M
24.00 mi12:32:172:30:166:166:27
6:27
-0:05
40K
24.85 mi12:38:042:36:036:175:47
6:46
+0:19
25.2M
25.20 mi12:40:372:38:366:182:33
7:24
+0:38
Finish
26.22 mi12:47:362:45:356:196:59
6:51
-0:33

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

5:56 /mi

Average Pace

6:19 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:28

34% of race

Time at Steady Pace

1:26:55

52% of race

Time at Slower Pace

22:12

13% of race

Average Pace: 6:19 /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 mi10:22:1720:166:3120:16
6:31
#2389
10K
6.21 mi10:41:4439:436:2419:27
6:16
#1943
15K
9.32 mi11:00:4058:396:1818:56
6:06
#1550
20K
12.43 mi11:19:281:17:276:1418:48
6:03
#1245
Half
13.11 mi11:23:311:21:306:134:03
5:56
#1206
25K
15.53 mi11:38:121:36:116:1214:41
6:03
#1100
30K
18.64 mi11:57:281:55:276:1219:16
6:12
#999
20M
20.00 mi12:06:072:04:066:128:39
6:22
#993
21M
21.00 mi12:13:002:10:596:146:53
6:53
#1002
35K
21.75 mi12:17:392:15:386:144:39
6:13
#993
23M
23.00 mi12:25:502:23:496:158:11
6:32
#1008
24M
24.00 mi12:32:172:30:166:166:27
6:27
#1026
40K
24.85 mi12:38:042:36:036:175:47
6:46
#1065
25.2M
25.20 mi12:40:372:38:366:182:33
7:24
#1078
Finish
26.22 mi12:47:362:45:356:196:59
6:51
#1151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi238922772277957(Top 4%)908(Top 6%)908(Top 17%)
10K6.21 mi3.10 mi1943+4461860+4171860+4171592(Top 6%)1522(Top 10%)1522(Top 29%)
15K9.32 mi3.11 mi1550+3931480+3801480+380957(Top 4%)908(Top 6%)908(Top 17%)
20K12.43 mi3.11 mi1245+3051185+2951185+295662(Top 2%)620(Top 4%)620(Top 12%)
Half13.11 mi0.68 mi1206+391148+371148+37638(Top 2%)600(Top 4%)600(Top 11%)
25K15.53 mi2.42 mi1100+1061045+1031045+103642(Top 2%)601(Top 4%)601(Top 11%)
30K18.64 mi3.11 mi999+101949+96949+96689(Top 3%)652(Top 4%)652(Top 12%)
20M20.00 mi1.36 mi993+6943+6943+61035(Top 4%)991(Top 7%)991(Top 19%)
21M21.00 mi1.00 mi1002-9952-9952-91680(Top 6%)1596(Top 11%)1596(Top 30%)
35K21.75 mi0.75 mi993+9945+7945+71284(Top 5%)1221(Top 8%)1221(Top 23%)
23M23.00 mi1.25 mi1008-15959-14959-141539(Top 6%)1461(Top 10%)1461(Top 28%)
24M24.00 mi1.00 mi1026-18976-17976-171868(Top 7%)1754(Top 12%)1754(Top 33%)
40K24.85 mi0.85 mi1065-391013-371013-372613(Top 10%)2412(Top 16%)2412(Top 46%)
25.2M25.20 mi0.35 mi1078-131026-131026-133297(Top 12%)2980(Top 20%)2980(Top 56%)
Finish26.22 mi1.02 mi1151-731097-711097-714326(Top 16%)3784(Top 25%)3784(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

957

Males

908

M18-39

908

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1592

Males

1522

M18-39

1522

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

957

Males

908

M18-39

908

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

662

Males

620

M18-39

620

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

638

Males

600

M18-39

600

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

642

Males

601

M18-39

601

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

689

Males

652

M18-39

652

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1035

Males

991

M18-39

991

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1680

Males

1596

M18-39

1596

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1284

Males

1221

M18-39

1221

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1539

Males

1461

M18-39

1461

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1868

Males

1754

M18-39

1754

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2613

Males

2412

M18-39

2412

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3297

Males

2980

M18-39

2980

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4326

Males

3784

M18-39

3784

Passing Analysis

Category:
Athletes Passed
1487
Passed By
249
Net Change
+1238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2389
5K → 10K4515+446#2389#1943
10K → 15K3930+393#1943#1550
15K → 20K3061+305#1550#1245
20K → Half390+39#1245#1206
Half → 25K1060+106#1206#1100
25K → 30K1065+101#1100#999
30K → 20M1711+6#999#993
20M → 21M1726-9#993#1002
21M → 35K145+9#1002#993
35K → 23M1227-15#993#1008
23M → 24M1028-18#1008#1026
24M → 40K948-39#1026#1065
40K → 25.2M215-13#1065#1078
25.2M → Finish578-73#1078#1151
TOTALS1487249+1238
📊

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