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BOSTON MARATHON 2023

Joel Nilles

Bib: 7225•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
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
20:49
Rank: #3676
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
42:02
Rank: #4642 (-966)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:03:09
Rank: #4749 (-107)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:27
Rank: #4798 (-49)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:29:02
Rank: #4779 (+19)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:42
Rank: #4736 (+43)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:07:24
Rank: #4618 (+118)
25K → 30K
21:42 | 6:59/mi
20M
2:16:55
Rank: #4547 (+71)
30K → 20M
9:31 | 7:00/mi
21M
2:24:07
Rank: #4433 (+114)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:29:10
Rank: #4392 (+41)
21M → 35K
5:03 | 6:45/mi
23M
2:37:59
Rank: #4346 (+46)
35K → 23M
8:49 | 7:03/mi
24M
2:45:00
Rank: #4375 (-29)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:51:16
Rank: #4424 (-49)
24M → 40K
6:16 | 7:20/mi
25.2M
2:53:56
Rank: #4422 (+2)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:01:04
Rank: #4429 (-7)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0620:496:4220:49
6:42
-
10K
6.21 mi10:47:1942:026:4621:13
6:50
+0:08
15K
9.32 mi11:08:261:03:096:4721:07
6:48
-0:02
20K
12.43 mi11:29:441:24:276:4821:18
6:51
+0:03
Half
13.11 mi11:34:191:29:026:474:35
6:43
-0:08
25K
15.53 mi11:50:591:45:426:4816:40
6:52
+0:09
30K
18.64 mi12:12:412:07:246:5021:42
6:59
+0:07
20M
20.00 mi12:22:122:16:556:519:31
7:00
+0:01
21M
21.00 mi12:29:242:24:076:527:12
7:12
+0:12
35K
21.75 mi12:34:272:29:106:525:03
6:45
-0:27
23M
23.00 mi12:43:162:37:596:528:49
7:03
+0:18
24M
24.00 mi12:50:172:45:006:537:01
7:01
-0:02
40K
24.85 mi12:56:332:51:166:536:16
7:20
+0:19
25.2M
25.20 mi12:59:132:53:566:542:40
7:44
+0:24
Finish
26.22 mi13:06:213:01:046:557:08
7:00
-0:44

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

6:42 /mi

Average Pace

6:55 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:24

99% of race

Time at Steady Pace

2:40

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:26:0620:496:4220:49
6:42
#3676
10K
6.21 mi10:47:1942:026:4621:13
6:50
#4642
15K
9.32 mi11:08:261:03:096:4721:07
6:48
#4749
20K
12.43 mi11:29:441:24:276:4821:18
6:51
#4798
Half
13.11 mi11:34:191:29:026:474:35
6:43
#4779
25K
15.53 mi11:50:591:45:426:4816:40
6:52
#4736
30K
18.64 mi12:12:412:07:246:5021:42
6:59
#4618
20M
20.00 mi12:22:122:16:556:519:31
7:00
#4547
21M
21.00 mi12:29:242:24:076:527:12
7:12
#4433
35K
21.75 mi12:34:272:29:106:525:03
6:45
#4392
23M
23.00 mi12:43:162:37:596:528:49
7:03
#4346
24M
24.00 mi12:50:172:45:006:537:01
7:01
#4375
40K
24.85 mi12:56:332:51:166:536:16
7:20
#4424
25.2M
25.20 mi12:59:132:53:566:542:40
7:44
#4422
Finish
26.22 mi13:06:213:01:046:557:08
7:00
#4429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3676346034605072(Top 19%)4699(Top 31%)4699(Top 89%)
10K6.21 mi3.10 mi4642-9664330-8704330-8705557(Top 21%)5107(Top 34%)5107(Top 97%)
15K9.32 mi3.11 mi4749-1074421-914421-915072(Top 19%)4699(Top 31%)4699(Top 89%)
20K12.43 mi3.11 mi4798-494471-504471-504958(Top 19%)4600(Top 30%)4600(Top 87%)
Half13.11 mi0.68 mi4779+194453+184453+184523(Top 17%)4215(Top 28%)4215(Top 80%)
25K15.53 mi2.42 mi4736+434411+424411+424760(Top 18%)4417(Top 29%)4417(Top 84%)
30K18.64 mi3.11 mi4618+1184307+1044307+1044250(Top 16%)3960(Top 26%)3960(Top 75%)
20M20.00 mi1.36 mi4547+714240+674240+674062(Top 15%)3762(Top 25%)3762(Top 71%)
21M21.00 mi1.00 mi4433+1144139+1014139+1013120(Top 12%)2924(Top 19%)2924(Top 55%)
35K21.75 mi0.75 mi4392+414099+404099+403878(Top 15%)3572(Top 24%)3572(Top 68%)
23M23.00 mi1.25 mi4346+464062+374062+373995(Top 15%)3676(Top 24%)3676(Top 70%)
24M24.00 mi1.00 mi4375-294090-284090-284739(Top 18%)4230(Top 28%)4230(Top 80%)
40K24.85 mi0.85 mi4424-494128-384128-385602(Top 21%)4749(Top 31%)4749(Top 90%)
25.2M25.20 mi0.35 mi4422+24124+44124+44974(Top 19%)4251(Top 28%)4251(Top 80%)
Finish26.22 mi1.02 mi4429-74127-34127-35185(Top 19%)4393(Top 29%)4393(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5072

Males

4699

M18-39

4699

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5557

Males

5107

M18-39

5107

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5072

Males

4699

M18-39

4699

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4958

Males

4600

M18-39

4600

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4523

Males

4215

M18-39

4215

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4760

Males

4417

M18-39

4417

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4250

Males

3960

M18-39

3960

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4062

Males

3762

M18-39

3762

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3120

Males

2924

M18-39

2924

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3878

Males

3572

M18-39

3572

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3995

Males

3676

M18-39

3676

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4739

Males

4230

M18-39

4230

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5602

Males

4749

M18-39

4749

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4974

Males

4251

M18-39

4251

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5185

Males

4393

M18-39

4393

Passing Analysis

Category:
Athletes Passed
1037
Passed By
1790
Net Change
-753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3676
5K → 10K16982-966#3676#4642
10K → 15K79186-107#4642#4749
15K → 20K79128-49#4749#4798
20K → Half4021+19#4798#4779
Half → 25K11875+43#4779#4736
25K → 30K19072+118#4736#4618
30K → 20M9625+71#4618#4547
20M → 21M12612+114#4547#4433
21M → 35K6221+41#4433#4392
35K → 23M9549+46#4392#4346
23M → 24M4473-29#4346#4375
24M → 40K2877-49#4375#4424
40K → 25.2M1715+2#4424#4422
25.2M → Finish4754-7#4422#4429
TOTALS10371790-753
📊

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