Eric Shaff

Bib: 27622M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
30:34
Rank: #25177
Start5K
30:34 | 9:50/mi
10K· 6.21 mi
1:02:08
Rank: #25439 (-262)
5K10K
31:34 | 10:10/mi
15K· 9.32 mi
1:35:06
Rank: #25722 (-283)
10K15K
32:58 | 10:37/mi
20K· 12.43 mi
2:09:26
Rank: #25828 (-106)
15K20K
34:20 | 11:03/mi
Half· 13.11 mi
2:16:26
Rank: #25812 (+16)
20KHalf
7:00 | 10:16/mi
25K· 15.53 mi
2:46:10
Rank: #26031 (-219)
Half25K
29:44 | 12:16/mi
30K· 18.64 mi
3:24:12
Rank: #25987 (+44)
25K30K
38:02 | 12:15/mi
20M
3:41:56
Rank: #26063 (-76)
30K20M
17:44 | 13:03/mi
21M
3:57:01
Rank: #26177 (-114)
20M21M
15:05 | 15:05/mi
35K· 21.75 mi
4:06:26
Rank: #26204 (-27)
21M35K
9:25 | 12:35/mi
23M
4:25:33
Rank: #26398 (-194)
35K23M
19:07 | 15:16/mi
24M
4:41:26
Rank: #26599 (-201)
23M24M
15:53 | 15:53/mi
40K· 24.85 mi
4:55:29
Rank: #26748 (-149)
24M40K
14:03 | 16:26/mi
25.2M
5:01:22
Rank: #26785 (-37)
40K25.2M
5:53 | 17:04/mi
Finish· 26.22 mi
5:14:52
Rank: #26838 (-53)
25.2MFinish
13:30 | 13:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:26
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:58:26
Pace13:37 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1830:349:5030:34
9:50
-
10K
6.21 mi12:18:521:02:0810:0031:34
10:10
+0:20
15K
9.32 mi12:51:501:35:0610:1232:58
10:37
+0:27
20K
12.43 mi13:26:102:09:2610:2534:20
11:03
+0:26
Half
13.11 mi13:33:102:16:2610:247:00
10:16
-0:47
25K
15.53 mi14:02:542:46:1010:4229:44
12:16
+2:00
30K
18.64 mi14:40:563:24:1210:5738:02
12:15
-0:01
20M
20.00 mi14:58:403:41:5611:0617:44
13:03
+0:48
21M
21.00 mi15:13:453:57:0111:1715:05
15:05
+2:02
35K
21.75 mi15:23:104:06:2611:209:25
12:35
-2:30
23M
23.00 mi15:42:174:25:3311:3319:07
15:16
+2:41
24M
24.00 mi15:58:104:41:2611:4415:53
15:53
+0:37
40K
24.85 mi16:12:134:55:2911:5314:03
16:26
+0:33
25.2M
25.20 mi16:18:065:01:2211:585:53
17:04
+0:38
Finish
26.22 mi16:31:365:14:5212:0113:30
13:15
-3:49

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

9:50 /mi

Average Pace

12:01 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:26

43% of race

Time at Steady Pace

1:48:25

34% of race

Time at Slower Pace

1:10:01

22% of race

Average Pace: 12:01 /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 mi11:47:1830:349:5030:34
9:50
#25177
10K
6.21 mi12:18:521:02:0810:0031:34
10:10
#25439
15K
9.32 mi12:51:501:35:0610:1232:58
10:37
#25722
20K
12.43 mi13:26:102:09:2610:2534:20
11:03
#25828
Half
13.11 mi13:33:102:16:2610:247:00
10:16
#25812
25K
15.53 mi14:02:542:46:1010:4229:44
12:16
#26031
30K
18.64 mi14:40:563:24:1210:5738:02
12:15
#25987
20M
20.00 mi14:58:403:41:5611:0617:44
13:03
#26063
21M
21.00 mi15:13:453:57:0111:1715:05
15:05
#26177
35K
21.75 mi15:23:104:06:2611:209:25
12:35
#26204
23M
23.00 mi15:42:174:25:3311:3319:07
15:16
#26398
24M
24.00 mi15:58:104:41:2611:4415:53
15:53
#26599
40K
24.85 mi16:12:134:55:2911:5314:03
16:26
#26748
25.2M
25.20 mi16:18:065:01:2211:585:53
17:04
#26785
Finish
26.22 mi16:31:365:14:5212:0113:30
13:15
#26838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25177148131481326127(Top 92%)15202(Top 94%)15202(Top 637%)
10K6.21 mi3.10 mi25439-26214905-9214905-9225656(Top 90%)14985(Top 93%)14985(Top 628%)
15K9.32 mi3.11 mi25722-28315032-12715032-12726127(Top 92%)15202(Top 94%)15202(Top 637%)
20K12.43 mi3.11 mi25828-10615072-4015072-4026082(Top 92%)15162(Top 94%)15162(Top 635%)
Half13.11 mi0.68 mi25812+1615070+215070+225384(Top 89%)14842(Top 92%)14842(Top 622%)
25K15.53 mi2.42 mi26031-21915148-7815148-7826706(Top 94%)15385(Top 96%)15385(Top 645%)
30K18.64 mi3.11 mi25987+4415102+4615102+4625873(Top 91%)14932(Top 93%)14932(Top 626%)
20M20.00 mi1.36 mi26063-7615124-2215124-2226497(Top 93%)15146(Top 94%)15146(Top 635%)
21M21.00 mi1.00 mi26177-11415163-3915163-3927226(Top 96%)15472(Top 96%)15472(Top 648%)
35K21.75 mi0.75 mi26204-2715167-415167-426554(Top 93%)15121(Top 94%)15121(Top 634%)
23M23.00 mi1.25 mi26398-19415244-7715244-7728012(Top 99%)15849(Top 98%)15849(Top 664%)
24M24.00 mi1.00 mi26599-20115315-7115315-7128211(Top 99%)15963(Top 99%)15963(Top 669%)
40K24.85 mi0.85 mi26748-14915378-6315378-6328185(Top 99%)15954(Top 99%)15954(Top 669%)
25.2M25.20 mi0.35 mi26785-3715391-1315391-1328078(Top 99%)15871(Top 99%)15871(Top 665%)
Finish26.22 mi1.02 mi26838-5315413-2215413-2227738(Top 98%)15699(Top 97%)15699(Top 658%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26127

Males

15202

M45-49

15202

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25656

Males

14985

M45-49

14985

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26127

Males

15202

M45-49

15202

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26082

Males

15162

M45-49

15162

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25384

Males

14842

M45-49

14842

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26706

Males

15385

M45-49

15385

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25873

Males

14932

M45-49

14932

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26497

Males

15146

M45-49

15146

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27226

Males

15472

M45-49

15472

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26554

Males

15121

M45-49

15121

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28012

Males

15849

M45-49

15849

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28211

Males

15963

M45-49

15963

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28185

Males

15954

M45-49

15954

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28078

Males

15871

M45-49

15871

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27738

Males

15699

M45-49

15699

Passing Analysis

Category:
Athletes Passed
517
Passed By
2178
Net Change
-1661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25177
5K10K104366-262#25177#25439
10K15K45328-283#25439#25722
15K20K94200-106#25722#25828
20KHalf2913+16#25828#25812
Half25K21240-219#25812#26031
25K30K13288+44#26031#25987
30K20M37113-76#25987#26063
20M21M14128-114#26063#26177
21M35K2350-27#26177#26204
35K23M4198-194#26204#26398
23M24M4205-201#26398#26599
24M40K2151-149#26599#26748
40K25.2M239-37#26748#26785
25.2MFinish659-53#26785#26838
TOTALS5172178-1661
📊

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