John Fielder

Bib: 8552M

DC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #5713
Start5K
21:30 | 6:55/mi
10K· 6.21 mi
42:42
Rank: #5596 (+117)
5K10K
21:12 | 6:49/mi
15K· 9.32 mi
1:03:54
Rank: #5517 (+79)
10K15K
21:12 | 6:49/mi
20K· 12.43 mi
1:25:44
Rank: #5694 (-177)
15K20K
21:50 | 7:02/mi
Half· 13.11 mi
1:30:25
Rank: #5697 (-3)
20KHalf
4:41 | 6:52/mi
25K· 15.53 mi
1:47:07
Rank: #5550 (+147)
Half25K
16:42 | 6:53/mi
30K· 18.64 mi
2:08:54
Rank: #5292 (+258)
25K30K
21:47 | 7:01/mi
20M
2:18:24
Rank: #5144 (+148)
30K20M
9:30 | 6:59/mi
21M
2:25:33
Rank: #4957 (+187)
20M21M
7:09 | 7:09/mi
35K· 21.75 mi
2:30:23
Rank: #4826 (+131)
21M35K
4:50 | 6:28/mi
23M
2:38:45
Rank: #4603 (+223)
35K23M
8:22 | 6:41/mi
24M
2:45:23
Rank: #4495 (+108)
23M24M
6:38 | 6:38/mi
40K· 24.85 mi
2:50:51
Rank: #4304 (+191)
24M40K
5:28 | 6:24/mi
25.2M
2:53:08
Rank: #4202 (+102)
40K25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:59:18
Rank: #3957 (+245)
25.2MFinish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:25
Pace6:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:53
Pace6:47 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4821:306:5521:30
6:55
-
10K
6.21 mi11:08:0042:426:5221:12
6:49
-0:06
15K
9.32 mi11:29:121:03:546:5121:12
6:49
0:00
20K
12.43 mi11:51:021:25:446:5421:50
7:02
+0:13
Half
13.11 mi11:55:431:30:256:544:41
6:52
-0:10
25K
15.53 mi12:12:251:47:076:5416:42
6:53
+0:01
30K
18.64 mi12:34:122:08:546:5521:47
7:01
+0:08
20M
20.00 mi12:43:422:18:246:559:30
6:59
-0:02
21M
21.00 mi12:50:512:25:336:567:09
7:09
+0:10
35K
21.75 mi12:55:412:30:236:554:50
6:28
-0:41
23M
23.00 mi13:04:032:38:456:548:22
6:41
+0:13
24M
24.00 mi13:10:412:45:236:536:38
6:38
-0:03
40K
24.85 mi13:16:092:50:516:525:28
6:24
-0:14
25.2M
25.20 mi13:18:262:53:086:522:17
6:37
+0:13
Finish
26.22 mi13:24:362:59:186:516:10
6:03
-0:34

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

6:03 /mi

Average Pace

6:51 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:23

14% of race

Time at Steady Pace

2:26:46

82% of race

Time at Slower Pace

7:09

4% of race

Average Pace: 6:50 /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 mi10:46:4821:306:5521:30
6:55
#5713
10K
6.21 mi11:08:0042:426:5221:12
6:49
#5596
15K
9.32 mi11:29:121:03:546:5121:12
6:49
#5517
20K
12.43 mi11:51:021:25:446:5421:50
7:02
#5694
Half
13.11 mi11:55:431:30:256:544:41
6:52
#5697
25K
15.53 mi12:12:251:47:076:5416:42
6:53
#5550
30K
18.64 mi12:34:122:08:546:5521:47
7:01
#5292
20M
20.00 mi12:43:422:18:246:559:30
6:59
#5144
21M
21.00 mi12:50:512:25:336:567:09
7:09
#4957
35K
21.75 mi12:55:412:30:236:554:50
6:28
#4826
23M
23.00 mi13:04:032:38:456:548:22
6:41
#4603
24M
24.00 mi13:10:412:45:236:536:38
6:38
#4495
40K
24.85 mi13:16:092:50:516:525:28
6:24
#4304
25.2M
25.20 mi13:18:262:53:086:522:17
6:37
#4202
Finish
26.22 mi13:24:362:59:186:516:10
6:03
#3957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5713524952495318(Top 20%)4910(Top 32%)4910(Top 219%)
10K6.21 mi3.10 mi5596+1175154+955154+955509(Top 21%)5069(Top 33%)5069(Top 226%)
15K9.32 mi3.11 mi5517+795085+695085+695318(Top 20%)4910(Top 32%)4910(Top 219%)
20K12.43 mi3.11 mi5694-1775240-1555240-1556132(Top 23%)5568(Top 37%)5568(Top 248%)
Half13.11 mi0.68 mi5697-35243-35243-35699(Top 21%)5231(Top 34%)5231(Top 233%)
25K15.53 mi2.42 mi5550+1475118+1255118+1254851(Top 18%)4490(Top 30%)4490(Top 200%)
30K18.64 mi3.11 mi5292+2584890+2284890+2284406(Top 17%)4089(Top 27%)4089(Top 182%)
20M20.00 mi1.36 mi5144+1484757+1334757+1333968(Top 15%)3684(Top 24%)3684(Top 164%)
21M21.00 mi1.00 mi4957+1874591+1664591+1662861(Top 11%)2686(Top 18%)2686(Top 120%)
35K21.75 mi0.75 mi4826+1314482+1094482+1092267(Top 9%)2154(Top 14%)2154(Top 96%)
23M23.00 mi1.25 mi4603+2234282+2004282+2002123(Top 8%)2012(Top 13%)2012(Top 90%)
24M24.00 mi1.00 mi4495+1084193+894193+892775(Top 10%)2584(Top 17%)2584(Top 115%)
40K24.85 mi0.85 mi4304+1914021+1724021+1721203(Top 5%)1138(Top 7%)1138(Top 51%)
25.2M25.20 mi0.35 mi4202+1023932+893932+89755(Top 3%)720(Top 5%)720(Top 32%)
Finish26.22 mi1.02 mi3957+2453702+2303702+230872(Top 3%)836(Top 6%)836(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5318

Males

4910

M40-44

4910

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5509

Males

5069

M40-44

5069

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5318

Males

4910

M40-44

4910

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6132

Males

5568

M40-44

5568

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5699

Males

5231

M40-44

5231

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4851

Males

4490

M40-44

4490

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4406

Males

4089

M40-44

4089

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3968

Males

3684

M40-44

3684

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2861

Males

2686

M40-44

2686

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2267

Males

2154

M40-44

2154

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2123

Males

2012

M40-44

2012

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2775

Males

2584

M40-44

2584

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1203

Males

1138

M40-44

1138

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

755

Males

720

M40-44

720

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

872

Males

836

M40-44

836

Passing Analysis

Category:
Athletes Passed
2300
Passed By
544
Net Change
+1756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5713
5K10K263146+117#5713#5596
10K15K16384+79#5596#5517
15K20K57234-177#5517#5694
20KHalf1417-3#5694#5697
Half25K16316+147#5697#5550
25K30K28123+258#5550#5292
30K20M16315+148#5292#5144
20M21M1870+187#5144#4957
21M35K1310+131#4957#4826
35K23M2252+223#4826#4603
23M24M1157+108#4603#4495
24M40K1910+191#4495#4304
40K25.2M1020+102#4304#4202
25.2MFinish2450+245#4202#3957
TOTALS2300544+1756
📊

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