John Shepardson

Bib: 27627M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:02/mi
31:10
973451.5%
10K· 6.21 mi
10:16/mi
1:03:03
791380.4%
15K· 9.32 mi
11:22/mi
1:38:21
6778
20K· 12.43 mi
12:38/mi
2:17:36
106860.1%
Half· 13.11 mi
12:35/mi
2:26:11
19370.5%
25K· 15.53 mi
13:47/mi
2:59:37
66880.2%
30K· 18.64 mi
15:32/mi
3:47:54
1811480.2%
20M
14:44/mi
4:07:55
64500.2%
21M
15:33/mi
4:23:28
106241.6%
35K· 21.75 mi
14:01/mi
4:33:57
17861.7%
23M
14:38/mi
4:52:16
23630.6%
24M
13:59/mi
5:06:15
821.3%
40K· 24.85 mi
15:03/mi
5:19:07
200.3%
25.2M
16:49/mi
5:24:55
13160.2%
Finish· 26.22 mi
14:00/mi
5:39:11
2221

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:11
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time3:13:00
Pace14:43 /mi
📊Positive Split: 32.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5731:1010:0231:10
10:02
-
10K
6.21 mi12:21:501:03:0310:0931:53
10:16
+0:14
15K
9.32 mi12:57:081:38:2110:3335:18
11:22
+1:06
20K
12.43 mi13:36:232:17:3611:0439:15
12:38
+1:16
Half
13.11 mi13:44:582:26:1111:098:35
12:35
-0:03
25K
15.53 mi14:18:242:59:3711:3433:26
13:47
+1:12
30K
18.64 mi15:06:413:47:5412:1448:17
15:32
+1:45
20M
20.00 mi15:26:424:07:5512:2420:01
14:44
-0:48
21M
21.00 mi15:42:154:23:2812:3315:33
15:33
+0:49
35K
21.75 mi15:52:444:33:5712:3610:29
14:01
-1:32
23M
23.00 mi16:11:034:52:1612:4218:19
14:38
+0:37
24M
24.00 mi16:25:025:06:1512:4613:59
13:59
-0:39
40K
24.85 mi16:37:545:19:0712:5012:52
15:03
+1:04
25.2M
25.20 mi16:43:425:24:5512:545:48
16:49
+1:46
Finish
26.22 mi16:57:585:39:1112:5714:16
14:00
-2:49

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

10:02 /mi

Average Pace

12:57 /mi

Slowest Pace

16:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:11

43% of race

Time at Steady Pace

1:50:30

33% of race

Time at Slower Pace

1:22:30

24% of race

Average Pace: 12:56 /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 mi11:49:5731:1010:0231:10
10:02
#23055
10K
6.21 mi12:21:501:03:0310:0931:53
10:16
#23082
15K
9.32 mi12:57:081:38:2110:3335:18
11:22
#23552
20K
12.43 mi13:36:232:17:3611:0439:15
12:38
#24004
Half
13.11 mi13:44:582:26:1111:098:35
12:35
#24088
25K
15.53 mi14:18:242:59:3711:3433:26
13:47
#24258
30K
18.64 mi15:06:413:47:5412:1448:17
15:32
#24557
20M
20.00 mi15:26:424:07:5512:2420:01
14:44
#24568
21M
21.00 mi15:42:154:23:2812:3315:33
15:33
#24550
35K
21.75 mi15:52:444:33:5712:3610:29
14:01
#24560
23M
23.00 mi16:11:034:52:1612:4218:19
14:38
#24588
24M
24.00 mi16:25:025:06:1512:4613:59
13:59
#24602
40K
24.85 mi16:37:545:19:0712:5012:52
15:03
#24621
25.2M
25.20 mi16:43:425:24:5512:545:48
16:49
#24645
Finish
26.22 mi16:57:585:39:1112:5714:16
14:00
#24695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23055135881358824147(Top 95%)14045(Top 96%)14045(Top 726%)
10K6.21 mi3.10 mi23082-2713576+1213576+1223090(Top 90%)13566(Top 93%)13566(Top 701%)
15K9.32 mi3.11 mi23552-47013800-22413800-22424147(Top 95%)14045(Top 96%)14045(Top 726%)
20K12.43 mi3.11 mi24004-45213992-19213992-19224589(Top 96%)14196(Top 97%)14196(Top 734%)
Half13.11 mi0.68 mi24088-8414024-3214024-3224954(Top 98%)14310(Top 98%)14310(Top 740%)
25K15.53 mi2.42 mi24258-17014076-5214076-5224800(Top 97%)14230(Top 98%)14230(Top 735%)
30K18.64 mi3.11 mi24557-29914178-10214178-10225192(Top 99%)14367(Top 99%)14367(Top 742%)
20M20.00 mi1.36 mi24568-1114172+614172+624562(Top 96%)14016(Top 96%)14016(Top 724%)
21M21.00 mi1.00 mi24550+1814159+1314159+1324133(Top 94%)13752(Top 94%)13752(Top 711%)
35K21.75 mi0.75 mi24560-1014156+314156+324284(Top 95%)13803(Top 95%)13803(Top 713%)
23M23.00 mi1.25 mi24588-2814155+114155+124384(Top 95%)13871(Top 95%)13871(Top 717%)
24M24.00 mi1.00 mi24602-1414154+114154+124168(Top 95%)13700(Top 94%)13700(Top 708%)
40K24.85 mi0.85 mi24621-1914153+114153+124563(Top 96%)13908(Top 95%)13908(Top 719%)
25.2M25.20 mi0.35 mi24645-2414162-914162-924554(Top 96%)13903(Top 95%)13903(Top 719%)
Finish26.22 mi1.02 mi24695-5014176-1414176-1424928(Top 98%)14128(Top 97%)14128(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

24147

Males

14045

M50-54

14045

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23090

Males

13566

M50-54

13566

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

24147

Males

14045

M50-54

14045

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

24589

Males

14196

M50-54

14196

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

24954

Males

14310

M50-54

14310

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24800

Males

14230

M50-54

14230

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25192

Males

14367

M50-54

14367

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

24562

Males

14016

M50-54

14016

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

24133

Males

13752

M50-54

13752

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

24284

Males

13803

M50-54

13803

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24384

Males

13871

M50-54

13871

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

24168

Males

13700

M50-54

13700

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24563

Males

13908

M50-54

13908

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24554

Males

13903

M50-54

13903

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

24928

Males

14128

M50-54

14128

Passing Analysis

Category:
Athletes Passed
507
Passed By
2147
Net Change
-1640
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23055
5K10K191218-27#23055#23082
10K15K41511-470#23082#23552
15K20K16468-452#23552#24004
20KHalf690-84#24004#24088
Half25K41211-170#24088#24258
25K30K22321-299#24258#24557
30K20M4657-11#24557#24568
20M21M4628+18#24568#24550
21M35K1727-10#24550#24560
35K23M2553-28#24560#24588
23M24M2842-14#24588#24602
24M40K1231-19#24602#24621
40K25.2M428-24#24621#24645
25.2MFinish1262-50#24645#24695
TOTALS5072147-1640
📊

Passing Visuals

Category:
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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