Justin Grissom

Bib: 6345M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
Masters (Masters Men)
#0 / 9729
Top 17%
Division (M40-44)
#0 / 2009
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #6507
Start5K
21:30 | 6:55/mi
10K· 6.21 mi
43:08
Rank: #6437 (+70)
5K10K
21:38 | 6:58/mi
15K· 9.32 mi
1:04:50
Rank: #6297 (+140)
10K15K
21:42 | 6:59/mi
20K· 12.43 mi
1:27:10
Rank: #6253 (+44)
15K20K
22:20 | 7:11/mi
Half· 13.11 mi
1:32:00
Rank: #6244 (+9)
20KHalf
4:50 | 7:05/mi
25K· 15.53 mi
1:49:19
Rank: #5938 (+306)
Half25K
17:19 | 7:09/mi
30K· 18.64 mi
2:12:24
Rank: #5594 (+344)
25K30K
23:05 | 7:26/mi
20M
2:22:35
Rank: #5407 (+187)
30K20M
10:11 | 7:30/mi
21M
2:30:26
Rank: #5199 (+208)
20M21M
7:51 | 7:51/mi
35K· 21.75 mi
2:35:56
Rank: #5098 (+101)
21M35K
5:30 | 7:21/mi
23M
2:45:39
Rank: #4972 (+126)
35K23M
9:43 | 7:46/mi
24M
2:53:23
Rank: #4900 (+72)
23M24M
7:44 | 7:44/mi
40K· 24.85 mi
3:00:09
Rank: #4828 (+72)
24M40K
6:46 | 7:55/mi
25.2M
3:03:15
Rank: #4838 (-10)
40K25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:11:06
Rank: #4842 (-4)
25.2MFinish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:00
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2321:306:5521:30
6:55
-
10K
6.21 mi10:49:0143:086:5621:38
6:58
+0:03
15K
9.32 mi11:10:431:04:506:5721:42
6:59
+0:01
20K
12.43 mi11:33:031:27:107:0122:20
7:11
+0:12
Half
13.11 mi11:37:531:32:007:014:50
7:05
-0:06
25K
15.53 mi11:55:121:49:197:0217:19
7:09
+0:04
30K
18.64 mi12:18:172:12:247:0623:05
7:26
+0:17
20M
20.00 mi12:28:282:22:357:0810:11
7:30
+0:04
21M
21.00 mi12:36:192:30:267:107:51
7:51
+0:21
35K
21.75 mi12:41:492:35:567:105:30
7:21
-0:30
23M
23.00 mi12:51:322:45:397:129:43
7:46
+0:25
24M
24.00 mi12:59:162:53:237:137:44
7:44
-0:02
40K
24.85 mi13:06:023:00:097:156:46
7:55
+0:11
25.2M
25.20 mi13:09:083:03:157:163:06
8:59
+1:04
Finish
26.22 mi13:16:593:11:067:187:51
7:42
-1:17

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

6:55 /mi

Average Pace

7:18 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:59

46% of race

Time at Steady Pace

1:01:06

32% of race

Time at Slower Pace

43:01

23% of race

Average Pace: 7:17 /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 mi10:27:2321:306:5521:30
6:55
#6507
10K
6.21 mi10:49:0143:086:5621:38
6:58
#6437
15K
9.32 mi11:10:431:04:506:5721:42
6:59
#6297
20K
12.43 mi11:33:031:27:107:0122:20
7:11
#6253
Half
13.11 mi11:37:531:32:007:014:50
7:05
#6244
25K
15.53 mi11:55:121:49:197:0217:19
7:09
#5938
30K
18.64 mi12:18:172:12:247:0623:05
7:26
#5594
20M
20.00 mi12:28:282:22:357:0810:11
7:30
#5407
21M
21.00 mi12:36:192:30:267:107:51
7:51
#5199
35K
21.75 mi12:41:492:35:567:105:30
7:21
#5098
23M
23.00 mi12:51:322:45:397:129:43
7:46
#4972
24M
24.00 mi12:59:162:53:237:137:44
7:44
#4900
40K
24.85 mi13:06:023:00:097:156:46
7:55
#4828
25.2M
25.20 mi13:09:083:03:157:163:06
8:59
#4838
Finish
26.22 mi13:16:593:11:067:187:51
7:42
#4842
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6507580358036120(Top 24%)5465(Top 37%)5465(Top 272%)
10K6.21 mi3.10 mi6437+705746+575746+576426(Top 25%)5712(Top 39%)5712(Top 284%)
15K9.32 mi3.11 mi6297+1405639+1075639+1076120(Top 24%)5465(Top 37%)5465(Top 272%)
20K12.43 mi3.11 mi6253+445577+625577+626290(Top 25%)5513(Top 38%)5513(Top 274%)
Half13.11 mi0.68 mi6244+95565+125565+126203(Top 24%)5451(Top 37%)5451(Top 271%)
25K15.53 mi2.42 mi5938+3065316+2495316+2495015(Top 20%)4490(Top 31%)4490(Top 223%)
30K18.64 mi3.11 mi5594+3444996+3204996+3204763(Top 19%)4186(Top 29%)4186(Top 208%)
20M20.00 mi1.36 mi5407+1874842+1544842+1544287(Top 17%)3759(Top 26%)3759(Top 187%)
21M21.00 mi1.00 mi5199+2084662+1804662+1803638(Top 14%)3201(Top 22%)3201(Top 159%)
35K21.75 mi0.75 mi5098+1014562+1004562+1004388(Top 17%)3725(Top 26%)3725(Top 185%)
23M23.00 mi1.25 mi4972+1264440+1224440+1224623(Top 18%)3763(Top 26%)3763(Top 187%)
24M24.00 mi1.00 mi4900+724361+794361+795192(Top 20%)4016(Top 28%)4016(Top 200%)
40K24.85 mi0.85 mi4828+724282+794282+795339(Top 21%)3970(Top 27%)3970(Top 198%)
25.2M25.20 mi0.35 mi4838-104276+64276+66450(Top 25%)4505(Top 31%)4505(Top 224%)
Finish26.22 mi1.02 mi4842-44256+204256+206723(Top 26%)4715(Top 32%)4715(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6120

Males

5465

M40-44

5465

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6426

Males

5712

M40-44

5712

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6120

Males

5465

M40-44

5465

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6290

Males

5513

M40-44

5513

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6203

Males

5451

M40-44

5451

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5015

Males

4490

M40-44

4490

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4763

Males

4186

M40-44

4186

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4287

Males

3759

M40-44

3759

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3638

Males

3201

M40-44

3201

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4388

Males

3725

M40-44

3725

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4623

Males

3763

M40-44

3763

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5192

Males

4016

M40-44

4016

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5339

Males

3970

M40-44

3970

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6450

Males

4505

M40-44

4505

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6723

Males

4715

M40-44

4715

Passing Analysis

Category:
Athletes Passed
2363
Passed By
698
Net Change
+1665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6507
5K10K231161+70#6507#6437
10K15K20767+140#6437#6297
15K20K184140+44#6297#6253
20KHalf3829+9#6253#6244
Half25K32620+306#6244#5938
25K30K39349+344#5938#5594
30K20M20215+187#5594#5407
20M21M2146+208#5407#5199
21M35K11716+101#5199#5098
35K23M15529+126#5098#4972
23M24M10836+72#4972#4900
24M40K9725+72#4900#4828
40K25.2M2939-10#4828#4838
25.2MFinish6266-4#4838#4842
TOTALS2363698+1665
📊

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