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BOSTON MARATHON 2023

Doug Kells

Bib: 9585•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M50-54)
#0 / 2052
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #7011
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
43:31
Rank: #6511 (+500)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:59
Rank: #6330 (+181)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:26:41
Rank: #6189 (+141)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:31:27
Rank: #6215 (-26)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:25
Rank: #6079 (+136)
Half → 25K
16:58 | 7:00/mi
30K· 18.64 mi
2:10:33
Rank: #5831 (+248)
25K → 30K
22:08 | 7:07/mi
20M
2:20:20
Rank: #5746 (+85)
30K → 20M
9:47 | 7:12/mi
21M
2:27:47
Rank: #5634 (+112)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:32:50
Rank: #5549 (+85)
21M → 35K
5:03 | 6:45/mi
23M
2:41:33
Rank: #5361 (+188)
35K → 23M
8:43 | 6:58/mi
24M
2:48:23
Rank: #5243 (+118)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:54:22
Rank: #5146 (+97)
24M → 40K
5:59 | 7:00/mi
25.2M
2:56:56
Rank: #5097 (+49)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:03:39
Rank: #4982 (+115)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:27
Pace6:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:12
Pace7:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3922:087:0722:08
7:07
-
10K
6.21 mi11:09:0243:317:0021:23
6:53
-0:14
15K
9.32 mi11:30:301:04:596:5821:28
6:55
+0:02
20K
12.43 mi11:52:121:26:416:5921:42
6:59
+0:04
Half
13.11 mi11:56:581:31:276:594:46
6:59
0:00
25K
15.53 mi12:13:561:48:256:5916:58
7:00
+0:01
30K
18.64 mi12:36:042:10:337:0022:08
7:07
+0:07
20M
20.00 mi12:45:512:20:207:019:47
7:12
+0:05
21M
21.00 mi12:53:182:27:477:027:27
7:27
+0:15
35K
21.75 mi12:58:212:32:507:025:03
6:45
-0:42
23M
23.00 mi13:07:042:41:337:018:43
6:58
+0:13
24M
24.00 mi13:13:542:48:237:016:50
6:50
-0:08
40K
24.85 mi13:19:532:54:227:015:59
7:00
+0:10
25.2M
25.20 mi13:22:272:56:567:012:34
7:27
+0:27
Finish
26.22 mi13:29:103:03:397:016:43
6:35
-0:52

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

6:35 /mi

Average Pace

7:01 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:38

95% of race

Time at Steady Pace

10:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:47:3922:087:0722:08
7:07
#7011
10K
6.21 mi11:09:0243:317:0021:23
6:53
#6511
15K
9.32 mi11:30:301:04:596:5821:28
6:55
#6330
20K
12.43 mi11:52:121:26:416:5921:42
6:59
#6189
Half
13.11 mi11:56:581:31:276:594:46
6:59
#6215
25K
15.53 mi12:13:561:48:256:5916:58
7:00
#6079
30K
18.64 mi12:36:042:10:337:0022:08
7:07
#5831
20M
20.00 mi12:45:512:20:207:019:47
7:12
#5746
21M
21.00 mi12:53:182:27:477:027:27
7:27
#5634
35K
21.75 mi12:58:212:32:507:025:03
6:45
#5549
23M
23.00 mi13:07:042:41:337:018:43
6:58
#5361
24M
24.00 mi13:13:542:48:237:016:50
6:50
#5243
40K
24.85 mi13:19:532:54:227:015:59
7:00
#5146
25.2M
25.20 mi13:22:272:56:567:012:34
7:27
#5097
Finish
26.22 mi13:29:103:03:397:016:43
6:35
#4982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7011627662766006(Top 23%)5466(Top 36%)5466(Top 266%)
10K6.21 mi3.10 mi6511+5005877+3995877+3995993(Top 23%)5456(Top 36%)5456(Top 266%)
15K9.32 mi3.11 mi6330+1815731+1465731+1466006(Top 23%)5466(Top 36%)5466(Top 266%)
20K12.43 mi3.11 mi6189+1415619+1125619+1125880(Top 22%)5376(Top 35%)5376(Top 262%)
Half13.11 mi0.68 mi6215-265644-255644-256415(Top 24%)5791(Top 38%)5791(Top 282%)
25K15.53 mi2.42 mi6079+1365541+1035541+1035551(Top 21%)5106(Top 34%)5106(Top 249%)
30K18.64 mi3.11 mi5831+2485335+2065335+2065062(Top 19%)4651(Top 31%)4651(Top 227%)
20M20.00 mi1.36 mi5746+855257+785257+785097(Top 19%)4619(Top 30%)4619(Top 225%)
21M21.00 mi1.00 mi5634+1125163+945163+944356(Top 16%)3982(Top 26%)3982(Top 194%)
35K21.75 mi0.75 mi5549+855091+725091+723903(Top 15%)3597(Top 24%)3597(Top 175%)
23M23.00 mi1.25 mi5361+1884919+1724919+1723599(Top 14%)3338(Top 22%)3338(Top 163%)
24M24.00 mi1.00 mi5243+1184811+1084811+1083853(Top 14%)3525(Top 23%)3525(Top 172%)
40K24.85 mi0.85 mi5146+974725+864725+863862(Top 15%)3479(Top 23%)3479(Top 170%)
25.2M25.20 mi0.35 mi5097+494684+414684+413661(Top 14%)3289(Top 22%)3289(Top 160%)
Finish26.22 mi1.02 mi4982+1154579+1054579+1052957(Top 11%)2682(Top 18%)2682(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6006

Males

5466

M50-54

5466

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5993

Males

5456

M50-54

5456

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6006

Males

5466

M50-54

5466

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5880

Males

5376

M50-54

5376

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6415

Males

5791

M50-54

5791

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5551

Males

5106

M50-54

5106

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5062

Males

4651

M50-54

4651

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5097

Males

4619

M50-54

4619

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4356

Males

3982

M50-54

3982

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3903

Males

3597

M50-54

3597

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3599

Males

3338

M50-54

3338

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3853

Males

3525

M50-54

3525

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3862

Males

3479

M50-54

3479

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3661

Males

3289

M50-54

3289

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2957

Males

2682

M50-54

2682

Passing Analysis

Category:
Athletes Passed
2278
Passed By
249
Net Change
+2029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7011
5K → 10K52929+500#7011#6511
10K → 15K22544+181#6511#6330
15K → 20K17837+141#6330#6189
20K → Half1238-26#6189#6215
Half → 25K15923+136#6215#6079
25K → 30K26719+248#6079#5831
30K → 20M11025+85#5831#5746
20M → 21M1197+112#5746#5634
21M → 35K894+85#5634#5549
35K → 23M1913+188#5549#5361
23M → 24M1235+118#5361#5243
24M → 40K1058+97#5243#5146
40K → 25.2M501+49#5146#5097
25.2M → Finish1216+115#5097#4982
TOTALS2278249+2029
📊

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