Joe Blackford

Bib: 10209M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M45-49)
#0 / 2386
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:46
Rank: #7860
Start5K
21:46 | 7:00/mi
10K· 6.21 mi
43:46
Rank: #8201 (-341)
5K10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:19
Rank: #8608 (-407)
10K15K
22:33 | 7:15/mi
20K· 12.43 mi
1:28:57
Rank: #8612 (-4)
15K20K
22:38 | 7:17/mi
Half· 13.11 mi
1:33:53
Rank: #8643 (-31)
20KHalf
4:56 | 7:14/mi
25K· 15.53 mi
1:51:43
Rank: #8604 (+39)
Half25K
17:50 | 7:21/mi
30K· 18.64 mi
2:15:31
Rank: #8589 (+15)
25K30K
23:48 | 7:40/mi
20M
2:26:13
Rank: #8612 (-23)
30K20M
10:42 | 7:52/mi
21M
2:34:30
Rank: #8613 (-1)
20M21M
8:17 | 8:17/mi
35K· 21.75 mi
2:40:06
Rank: #8577 (+36)
21M35K
5:36 | 7:29/mi
23M
2:49:57
Rank: #8521 (+56)
35K23M
9:51 | 7:52/mi
24M
2:57:52
Rank: #8618 (-97)
23M24M
7:55 | 7:55/mi
40K· 24.85 mi
3:04:48
Rank: #8676 (-58)
24M40K
6:56 | 8:07/mi
25.2M
3:07:39
Rank: #8628 (+48)
40K25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:15:13
Rank: #8625 (+3)
25.2MFinish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:53
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3521:467:0021:46
7:00
-
10K
6.21 mi11:09:3543:467:0322:00
7:05
+0:05
15K
9.32 mi11:32:081:06:197:0722:33
7:15
+0:10
20K
12.43 mi11:54:461:28:577:0922:38
7:17
+0:02
Half
13.11 mi11:59:421:33:537:104:56
7:14
-0:03
25K
15.53 mi12:17:321:51:437:1117:50
7:21
+0:07
30K
18.64 mi12:41:202:15:317:1623:48
7:40
+0:19
20M
20.00 mi12:52:022:26:137:1910:42
7:52
+0:12
21M
21.00 mi13:00:192:34:307:218:17
8:17
+0:25
35K
21.75 mi13:05:552:40:067:225:36
7:29
-0:48
23M
23.00 mi13:15:462:49:577:239:51
7:52
+0:23
24M
24.00 mi13:23:412:57:527:257:55
7:55
+0:03
40K
24.85 mi13:30:373:04:487:266:56
8:07
+0:12
25.2M
25.20 mi13:33:283:07:397:272:51
8:16
+0:09
Finish
26.22 mi13:41:023:15:137:277:34
7:26
-0:50

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

7:00 /mi

Average Pace

7:27 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:41

76% of race

Time at Steady Pace

35:24

18% of race

Time at Slower Pace

11:08

6% of race

Average Pace: 7:27 /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 mi10:47:3521:467:0021:46
7:00
#7860
10K
6.21 mi11:09:3543:467:0322:00
7:05
#8201
15K
9.32 mi11:32:081:06:197:0722:33
7:15
#8608
20K
12.43 mi11:54:461:28:577:0922:38
7:17
#8612
Half
13.11 mi11:59:421:33:537:104:56
7:14
#8643
25K
15.53 mi12:17:321:51:437:1117:50
7:21
#8604
30K
18.64 mi12:41:202:15:317:1623:48
7:40
#8589
20M
20.00 mi12:52:022:26:137:1910:42
7:52
#8612
21M
21.00 mi13:00:192:34:307:218:17
8:17
#8613
35K
21.75 mi13:05:552:40:067:225:36
7:29
#8577
23M
23.00 mi13:15:462:49:577:239:51
7:52
#8521
24M
24.00 mi13:23:412:57:527:257:55
7:55
#8618
40K
24.85 mi13:30:373:04:487:266:56
8:07
#8676
25.2M
25.20 mi13:33:283:07:397:272:51
8:16
#8628
Finish
26.22 mi13:41:023:15:137:277:34
7:26
#8625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7860690869089616(Top 34%)7877(Top 49%)7877(Top 330%)
10K6.21 mi3.10 mi8201-3417114-2067114-2068512(Top 30%)7305(Top 45%)7305(Top 306%)
15K9.32 mi3.11 mi8608-4077349-2357349-2359616(Top 34%)7877(Top 49%)7877(Top 330%)
20K12.43 mi3.11 mi8612-47332+177332+178915(Top 31%)7397(Top 46%)7397(Top 310%)
Half13.11 mi0.68 mi8643-317339-77339-79293(Top 33%)7636(Top 47%)7636(Top 320%)
25K15.53 mi2.42 mi8604+397303+367303+368771(Top 31%)7206(Top 45%)7206(Top 302%)
30K18.64 mi3.11 mi8589+157233+707233+708896(Top 31%)7083(Top 44%)7083(Top 297%)
20M20.00 mi1.36 mi8612-237208+257208+259508(Top 33%)7260(Top 45%)7260(Top 304%)
21M21.00 mi1.00 mi8613-17178+307178+309102(Top 32%)6870(Top 43%)6870(Top 288%)
35K21.75 mi0.75 mi8577+367135+437135+438491(Top 30%)6583(Top 41%)6583(Top 276%)
23M23.00 mi1.25 mi8521+567059+767059+769030(Top 32%)6730(Top 42%)6730(Top 282%)
24M24.00 mi1.00 mi8618-977085-267085-2610627(Top 37%)7483(Top 46%)7483(Top 314%)
40K24.85 mi0.85 mi8676-587075+107075+1010884(Top 38%)7494(Top 47%)7494(Top 314%)
25.2M25.20 mi0.35 mi8628+487032+437032+437425(Top 26%)5590(Top 35%)5590(Top 234%)
Finish26.22 mi1.02 mi8625+37003+297003+298655(Top 30%)6261(Top 39%)6261(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9616

Males

7877

M45-49

7877

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8512

Males

7305

M45-49

7305

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9616

Males

7877

M45-49

7877

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8915

Males

7397

M45-49

7397

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9293

Males

7636

M45-49

7636

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8771

Males

7206

M45-49

7206

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8896

Males

7083

M45-49

7083

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9508

Males

7260

M45-49

7260

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9102

Males

6870

M45-49

6870

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8491

Males

6583

M45-49

6583

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9030

Males

6730

M45-49

6730

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10627

Males

7483

M45-49

7483

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10884

Males

7494

M45-49

7494

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7425

Males

5590

M45-49

5590

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8655

Males

6261

M45-49

6261

Passing Analysis

Category:
Athletes Passed
1390
Passed By
2155
Net Change
-765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7860
5K10K99440-341#7860#8201
10K15K54461-407#8201#8608
15K20K178182-4#8608#8612
20KHalf2354-31#8612#8643
Half25K156117+39#8643#8604
25K30K220205+15#8604#8589
30K20M89112-23#8589#8612
20M21M9596-1#8612#8613
21M35K7842+36#8613#8577
35K23M13882+56#8577#8521
23M24M52149-97#8521#8618
24M40K71129-58#8618#8676
40K25.2M6315+48#8676#8628
25.2MFinish7471+3#8628#8625
TOTALS13902155-765
📊

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