Justin Chaisson

Bib: 9152M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7609
Start5K
21:40 | 6:58/mi
10K· 6.21 mi
43:04
Rank: #7376 (+233)
5K10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:22
Rank: #7122 (+254)
10K15K
21:18 | 6:51/mi
20K· 12.43 mi
1:25:53
Rank: #6905 (+217)
15K20K
21:31 | 6:56/mi
Half· 13.11 mi
1:30:34
Rank: #6898 (+7)
20KHalf
4:41 | 6:52/mi
25K· 15.53 mi
1:47:23
Rank: #6672 (+226)
Half25K
16:49 | 6:56/mi
30K· 18.64 mi
2:10:09
Rank: #6551 (+121)
25K30K
22:46 | 7:20/mi
20M
2:20:41
Rank: #6601 (-50)
30K20M
10:32 | 7:45/mi
21M
2:30:33
Rank: #7193 (-592)
20M21M
9:52 | 9:52/mi
35K· 21.75 mi
2:36:55
Rank: #7416 (-223)
21M35K
6:22 | 8:31/mi
23M
2:46:54
Rank: #7506 (-90)
35K23M
9:59 | 7:58/mi
24M
2:56:14
Rank: #8052 (-546)
23M24M
9:20 | 9:20/mi
40K· 24.85 mi
3:04:09
Rank: #8448 (-396)
24M40K
7:55 | 9:16/mi
25.2M
3:08:01
Rank: #8753 (-305)
40K25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:18:13
Rank: #9586 (-833)
25.2MFinish
10:12 | 10:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0921:406:5821:40
6:58
-
10K
6.21 mi11:08:3343:046:5621:24
6:53
-0:05
15K
9.32 mi11:29:511:04:226:5421:18
6:51
-0:02
20K
12.43 mi11:51:221:25:536:5521:31
6:56
+0:05
Half
13.11 mi11:56:031:30:346:554:41
6:52
-0:04
25K
15.53 mi12:12:521:47:236:5516:49
6:56
+0:04
30K
18.64 mi12:35:382:10:096:5922:46
7:20
+0:24
20M
20.00 mi12:46:102:20:417:0210:32
7:45
+0:25
21M
21.00 mi12:56:022:30:337:109:52
9:52
+2:07
35K
21.75 mi13:02:242:36:557:136:22
8:31
-1:21
23M
23.00 mi13:12:232:46:547:159:59
7:58
-0:33
24M
24.00 mi13:21:432:56:147:219:20
9:20
+1:22
40K
24.85 mi13:29:383:04:097:257:55
9:16
-0:04
25.2M
25.20 mi13:33:303:08:017:283:52
11:13
+1:57
Finish
26.22 mi13:43:423:18:137:3410:12
10:01
-1:12

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

6:51 /mi

Average Pace

7:34 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:23

54% of race

Time at Steady Pace

43:17

22% of race

Time at Slower Pace

47:33

24% of race

Average Pace: 7:34 /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 mi10:47:0921:406:5821:40
6:58
#7609
10K
6.21 mi11:08:3343:046:5621:24
6:53
#7376
15K
9.32 mi11:29:511:04:226:5421:18
6:51
#7122
20K
12.43 mi11:51:221:25:536:5521:31
6:56
#6905
Half
13.11 mi11:56:031:30:346:554:41
6:52
#6898
25K
15.53 mi12:12:521:47:236:5516:49
6:56
#6672
30K
18.64 mi12:35:382:10:096:5922:46
7:20
#6551
20M
20.00 mi12:46:102:20:417:0210:32
7:45
#6601
21M
21.00 mi12:56:022:30:337:109:52
9:52
#7193
35K
21.75 mi13:02:242:36:557:136:22
8:31
#7416
23M
23.00 mi13:12:232:46:547:159:59
7:58
#7506
24M
24.00 mi13:21:432:56:147:219:20
9:20
#8052
40K
24.85 mi13:29:383:04:097:257:55
9:16
#8448
25.2M
25.20 mi13:33:303:08:017:283:52
11:13
#8753
Finish
26.22 mi13:43:423:18:137:3410:12
10:01
#9586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7609674567456652(Top 23%)5990(Top 37%)5990(Top 267%)
10K6.21 mi3.10 mi7376+2336572+1736572+1737150(Top 25%)6393(Top 40%)6393(Top 285%)
15K9.32 mi3.11 mi7122+2546379+1936379+1936652(Top 23%)5990(Top 37%)5990(Top 267%)
20K12.43 mi3.11 mi6905+2176208+1716208+1716395(Top 23%)5741(Top 36%)5741(Top 255%)
Half13.11 mi0.68 mi6898+76198+106198+106697(Top 24%)5993(Top 37%)5993(Top 267%)
25K15.53 mi2.42 mi6672+2266000+1986000+1985904(Top 21%)5323(Top 33%)5323(Top 237%)
30K18.64 mi3.11 mi6551+1215877+1235877+1236619(Top 23%)5724(Top 36%)5724(Top 255%)
20M20.00 mi1.36 mi6601-505885-85885-88714(Top 31%)6855(Top 43%)6855(Top 305%)
21M21.00 mi1.00 mi7193-5926284-3996284-39917736(Top 62%)11022(Top 68%)11022(Top 491%)
35K21.75 mi0.75 mi7416-2236409-1256409-12515479(Top 54%)9910(Top 62%)9910(Top 441%)
23M23.00 mi1.25 mi7506-906428-196428-199826(Top 35%)7144(Top 44%)7144(Top 318%)
24M24.00 mi1.00 mi8052-5466732-3046732-30418928(Top 67%)11364(Top 71%)11364(Top 506%)
40K24.85 mi0.85 mi8448-3966949-2176949-21717609(Top 62%)10630(Top 66%)10630(Top 473%)
25.2M25.20 mi0.35 mi8753-3057105-1567105-15621206(Top 75%)12368(Top 77%)12368(Top 550%)
Finish26.22 mi1.02 mi9586-8337521-4167521-41622947(Top 81%)13242(Top 82%)13242(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6652

Males

5990

M40-44

5990

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7150

Males

6393

M40-44

6393

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6652

Males

5990

M40-44

5990

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6395

Males

5741

M40-44

5741

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6697

Males

5993

M40-44

5993

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5904

Males

5323

M40-44

5323

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6619

Males

5724

M40-44

5724

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8714

Males

6855

M40-44

6855

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17736

Males

11022

M40-44

11022

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15479

Males

9910

M40-44

9910

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9826

Males

7144

M40-44

7144

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

18928

Males

11364

M40-44

11364

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17609

Males

10630

M40-44

10630

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21206

Males

12368

M40-44

12368

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22947

Males

13242

M40-44

13242

Passing Analysis

Category:
Athletes Passed
1588
Passed By
3565
Net Change
-1977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7609
5K10K32996+233#7609#7376
10K15K29036+254#7376#7122
15K20K26952+217#7122#6905
20KHalf3326+7#6905#6898
Half25K24519+226#6898#6672
25K30K231110+121#6672#6551
30K20M71121-50#6551#6601
20M21M6598-592#6601#7193
21M35K12235-223#7193#7416
35K23M70160-90#7416#7506
23M24M11557-546#7506#8052
24M40K17413-396#8052#8448
40K25.2M3308-305#8448#8753
25.2MFinish1834-833#8753#9586
TOTALS15883565-1977
📊

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