Jacob Nailor

Bib: 6442M

AZ

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 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #5840
Start5K
20:57 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #5799 (+41)
5K10K
20:58 | 6:45/mi
15K· 9.32 mi
1:03:07
Rank: #5924 (-125)
10K15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:51
Rank: #6206 (-282)
15K20K
21:44 | 7:00/mi
Half· 13.11 mi
1:29:41
Rank: #6326 (-120)
20KHalf
4:50 | 7:05/mi
25K· 15.53 mi
1:47:42
Rank: #6814 (-488)
Half25K
18:01 | 7:26/mi
30K· 18.64 mi
2:14:38
Rank: #8203 (-1389)
25K30K
26:56 | 8:40/mi
20M
2:26:09
Rank: #8587 (-384)
30K20M
11:31 | 8:28/mi
21M
2:36:12
Rank: #9294 (-707)
20M21M
10:03 | 10:03/mi
35K· 21.75 mi
2:42:20
Rank: #9438 (-144)
21M35K
6:08 | 8:12/mi
23M
2:52:47
Rank: #9603 (-165)
35K23M
10:27 | 8:21/mi
24M
3:00:44
Rank: #9634 (-31)
23M24M
7:57 | 7:57/mi
40K· 24.85 mi
3:07:36
Rank: #9630 (+4)
24M40K
6:52 | 8:02/mi
25.2M
3:10:44
Rank: #9675 (-45)
40K25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:18:32
Rank: #9694 (-19)
25.2MFinish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:41
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:48:51
Pace8:18 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4020:576:4520:57
6:45
-
10K
6.21 mi10:46:3841:556:4520:58
6:45
0:00
15K
9.32 mi11:07:501:03:076:4621:12
6:49
+0:04
20K
12.43 mi11:29:341:24:516:5021:44
7:00
+0:11
Half
13.11 mi11:34:241:29:416:504:50
7:05
+0:05
25K
15.53 mi11:52:251:47:426:5618:01
7:26
+0:21
30K
18.64 mi12:19:212:14:387:1326:56
8:40
+1:14
20M
20.00 mi12:30:522:26:097:1811:31
8:28
-0:12
21M
21.00 mi12:40:552:36:127:2610:03
10:03
+1:35
35K
21.75 mi12:47:032:42:207:286:08
8:12
-1:51
23M
23.00 mi12:57:302:52:477:3110:27
8:21
+0:09
24M
24.00 mi13:05:273:00:447:327:57
7:57
-0:24
40K
24.85 mi13:12:193:07:367:336:52
8:02
+0:05
25.2M
25.20 mi13:15:273:10:447:343:08
9:05
+1:03
Finish
26.22 mi13:23:153:18:327:357:48
7:39
-1:26

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

6:45 /mi

Average Pace

7:35 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:42

54% of race

Time at Steady Pace

39:12

20% of race

Time at Slower Pace

51:38

26% 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 mi10:25:4020:576:4520:57
6:45
#5840
10K
6.21 mi10:46:3841:556:4520:58
6:45
#5799
15K
9.32 mi11:07:501:03:076:4621:12
6:49
#5924
20K
12.43 mi11:29:341:24:516:5021:44
7:00
#6206
Half
13.11 mi11:34:241:29:416:504:50
7:05
#6326
25K
15.53 mi11:52:251:47:426:5618:01
7:26
#6814
30K
18.64 mi12:19:212:14:387:1326:56
8:40
#8203
20M
20.00 mi12:30:522:26:097:1811:31
8:28
#8587
21M
21.00 mi12:40:552:36:127:2610:03
10:03
#9294
35K
21.75 mi12:47:032:42:207:286:08
8:12
#9438
23M
23.00 mi12:57:302:52:477:3110:27
8:21
#9603
24M
24.00 mi13:05:273:00:447:327:57
7:57
#9634
40K
24.85 mi13:12:193:07:367:336:52
8:02
#9630
25.2M
25.20 mi13:15:273:10:447:343:08
9:05
#9675
Finish
26.22 mi13:23:153:18:327:357:48
7:39
#9694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5840538553856339(Top 22%)5740(Top 36%)5740(Top 241%)
10K6.21 mi3.10 mi5799+415345+405345+405841(Top 21%)5349(Top 33%)5349(Top 224%)
15K9.32 mi3.11 mi5924-1255433-885433-886339(Top 22%)5740(Top 36%)5740(Top 241%)
20K12.43 mi3.11 mi6206-2825651-2185651-2186857(Top 24%)6100(Top 38%)6100(Top 256%)
Half13.11 mi0.68 mi6326-1205740-895740-898178(Top 29%)7017(Top 44%)7017(Top 294%)
25K15.53 mi2.42 mi6814-4886109-3696109-3699377(Top 33%)7544(Top 47%)7544(Top 316%)
30K18.64 mi3.11 mi8203-13896996-8876996-88715809(Top 56%)10417(Top 65%)10417(Top 437%)
20M20.00 mi1.36 mi8587-3847195-1997195-19913587(Top 48%)9250(Top 57%)9250(Top 388%)
21M21.00 mi1.00 mi9294-7077558-3637558-36318463(Top 65%)11367(Top 71%)11367(Top 476%)
35K21.75 mi0.75 mi9438-1447627-697627-6913551(Top 48%)9044(Top 56%)9044(Top 379%)
23M23.00 mi1.25 mi9603-1657669-427669-4212290(Top 43%)8360(Top 52%)8360(Top 350%)
24M24.00 mi1.00 mi9634-317648+217648+2110859(Top 38%)7595(Top 47%)7595(Top 318%)
40K24.85 mi0.85 mi9630+47611+377611+3710396(Top 37%)7242(Top 45%)7242(Top 304%)
25.2M25.20 mi0.35 mi9675-457619-87619-812194(Top 43%)8078(Top 50%)8078(Top 339%)
Finish26.22 mi1.02 mi9694-197581+387581+3810319(Top 36%)7149(Top 44%)7149(Top 300%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6339

Males

5740

M45-49

5740

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5841

Males

5349

M45-49

5349

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6339

Males

5740

M45-49

5740

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6857

Males

6100

M45-49

6100

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8178

Males

7017

M45-49

7017

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9377

Males

7544

M45-49

7544

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15809

Males

10417

M45-49

10417

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13587

Males

9250

M45-49

9250

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18463

Males

11367

M45-49

11367

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13551

Males

9044

M45-49

9044

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12290

Males

8360

M45-49

8360

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10859

Males

7595

M45-49

7595

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10396

Males

7242

M45-49

7242

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12194

Males

8078

M45-49

8078

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10319

Males

7149

M45-49

7149

Passing Analysis

Category:
Athletes Passed
817
Passed By
4671
Net Change
-3854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5840
5K10K195154+41#5840#5799
10K15K93218-125#5799#5924
15K20K83365-282#5924#6206
20KHalf4124-120#6206#6326
Half25K42530-488#6326#6814
25K30K221411-1389#6814#8203
30K20M35419-384#8203#8587
20M21M10717-707#8587#9294
21M35K29173-144#9294#9438
35K23M65230-165#9438#9603
23M24M75106-31#9603#9634
24M40K7874+4#9634#9630
40K25.2M2671-45#9630#9675
25.2MFinish6079-19#9675#9694
TOTALS8174671-3854
📊

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