Zachary Kellogg

Bib: 9686M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:40
Rank: #13566
Start5K
24:40 | 7:56/mi
10K· 6.21 mi
49:20
Rank: #13894 (-328)
5K10K
24:40 | 7:56/mi
15K· 9.32 mi
1:14:10
Rank: #14025 (-131)
10K15K
24:50 | 8:00/mi
20K· 12.43 mi
1:38:50
Rank: #13716 (+309)
15K20K
24:40 | 7:56/mi
Half· 13.11 mi
1:44:10
Rank: #13671 (+45)
20KHalf
5:20 | 7:49/mi
25K· 15.53 mi
2:03:57
Rank: #13706 (-35)
Half25K
19:47 | 8:10/mi
30K· 18.64 mi
2:28:50
Rank: #13162 (+544)
25K30K
24:53 | 8:01/mi
20M
2:39:46
Rank: #12943 (+219)
30K20M
10:56 | 8:03/mi
21M
2:47:56
Rank: #12633 (+310)
20M21M
8:10 | 8:10/mi
35K· 21.75 mi
2:53:47
Rank: #12551 (+82)
21M35K
5:51 | 7:49/mi
23M
3:03:58
Rank: #12435 (+116)
35K23M
10:11 | 8:08/mi
24M
3:11:49
Rank: #12326 (+109)
23M24M
7:51 | 7:51/mi
40K· 24.85 mi
3:18:33
Rank: #12182 (+144)
24M40K
6:44 | 7:53/mi
25.2M
3:21:23
Rank: #12106 (+76)
40K25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:28:48
Rank: #11889 (+217)
25.2MFinish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:38
Pace7:59 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0024:407:5624:40
7:56
-
10K
6.21 mi11:15:4049:207:5624:40
7:56
0:00
15K
9.32 mi11:40:301:14:107:5724:50
8:00
+0:04
20K
12.43 mi12:05:101:38:507:5724:40
7:56
-0:04
Half
13.11 mi12:10:301:44:107:575:20
7:49
-0:07
25K
15.53 mi12:30:172:03:577:5919:47
8:10
+0:21
30K
18.64 mi12:55:102:28:507:5924:53
8:01
-0:09
20M
20.00 mi13:06:062:39:467:5910:56
8:03
+0:02
21M
21.00 mi13:14:162:47:568:008:10
8:10
+0:07
35K
21.75 mi13:20:072:53:477:595:51
7:49
-0:21
23M
23.00 mi13:30:183:03:588:0010:11
8:08
+0:19
24M
24.00 mi13:38:093:11:498:007:51
7:51
-0:17
40K
24.85 mi13:44:533:18:337:596:44
7:53
+0:02
25.2M
25.20 mi13:47:433:21:237:592:50
8:13
+0:20
Finish
26.22 mi13:55:083:28:487:587:25
7:17
-0:56

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

7:17 /mi

Average Pace

7:58 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:01

63% of race

Time at Steady Pace

1:16:47

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:51:0024:407:5624:40
7:56
#13566
10K
6.21 mi11:15:4049:207:5624:40
7:56
#13894
15K
9.32 mi11:40:301:14:107:5724:50
8:00
#14025
20K
12.43 mi12:05:101:38:507:5724:40
7:56
#13716
Half
13.11 mi12:10:301:44:107:575:20
7:49
#13671
25K
15.53 mi12:30:172:03:577:5919:47
8:10
#13706
30K
18.64 mi12:55:102:28:507:5924:53
8:01
#13162
20M
20.00 mi13:06:062:39:467:5910:56
8:03
#12943
21M
21.00 mi13:14:162:47:568:008:10
8:10
#12633
35K
21.75 mi13:20:072:53:477:595:51
7:49
#12551
23M
23.00 mi13:30:183:03:588:0010:11
8:08
#12435
24M
24.00 mi13:38:093:11:498:007:51
7:51
#12326
40K
24.85 mi13:44:533:18:337:596:44
7:53
#12182
25.2M
25.20 mi13:47:433:21:237:592:50
8:13
#12106
Finish
26.22 mi13:55:083:28:487:587:25
7:17
#11889
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi135669786978614323(Top 54%)10028(Top 66%)10028(Top 447%)
10K6.21 mi3.10 mi13894-3289894-1089894-10814311(Top 54%)10046(Top 66%)10046(Top 448%)
15K9.32 mi3.11 mi14025-1319931-379931-3714323(Top 54%)10028(Top 66%)10028(Top 447%)
20K12.43 mi3.11 mi13716+3099781+1509781+15012927(Top 49%)9404(Top 62%)9404(Top 420%)
Half13.11 mi0.68 mi13671+459763+189763+1812804(Top 48%)9397(Top 62%)9397(Top 419%)
25K15.53 mi2.42 mi13706-359758+59758+513918(Top 52%)9728(Top 64%)9728(Top 434%)
30K18.64 mi3.11 mi13162+5449499+2599499+25910976(Top 41%)8339(Top 55%)8339(Top 372%)
20M20.00 mi1.36 mi12943+2199390+1099390+10910591(Top 40%)8047(Top 53%)8047(Top 359%)
21M21.00 mi1.00 mi12633+3109241+1499241+1498424(Top 32%)6730(Top 44%)6730(Top 300%)
35K21.75 mi0.75 mi12551+829194+479194+4710784(Top 41%)8007(Top 53%)8007(Top 357%)
23M23.00 mi1.25 mi12435+1169125+699125+6910696(Top 40%)7820(Top 52%)7820(Top 349%)
24M24.00 mi1.00 mi12326+1099053+729053+7210148(Top 38%)7482(Top 49%)7482(Top 334%)
40K24.85 mi0.85 mi12182+1448964+898964+899165(Top 34%)6911(Top 46%)6911(Top 308%)
25.2M25.20 mi0.35 mi12106+768921+438921+437788(Top 29%)6064(Top 40%)6064(Top 271%)
Finish26.22 mi1.02 mi11889+2178812+1098812+1096976(Top 26%)5559(Top 37%)5559(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14323

Males

10028

M40-44

10028

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14311

Males

10046

M40-44

10046

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14323

Males

10028

M40-44

10028

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12927

Males

9404

M40-44

9404

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12804

Males

9397

M40-44

9397

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13918

Males

9728

M40-44

9728

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10976

Males

8339

M40-44

8339

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10591

Males

8047

M40-44

8047

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8424

Males

6730

M40-44

6730

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10784

Males

8007

M40-44

8007

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10696

Males

7820

M40-44

7820

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10148

Males

7482

M40-44

7482

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9165

Males

6911

M40-44

6911

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7788

Males

6064

M40-44

6064

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6976

Males

5559

M40-44

5559

Passing Analysis

Category:
Athletes Passed
2733
Passed By
1056
Net Change
+1677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13566
5K10K160488-328#13566#13894
10K15K131262-131#13894#14025
15K20K35142+309#14025#13716
20KHalf538+45#13716#13671
Half25K128163-35#13671#13706
25K30K55511+544#13706#13162
30K20M23112+219#13162#12943
20M21M3155+310#12943#12633
21M35K9311+82#12633#12551
35K23M14630+116#12551#12435
23M24M12112+109#12435#12326
24M40K1484+144#12326#12182
40K25.2M815+76#12182#12106
25.2MFinish2203+217#12106#11889
TOTALS27331056+1677
📊

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