Katie Shaffer

Bib: 18007F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Masters (Masters Women)
#0 / 6539
Top 13%
Division (F45-49)
#0 / 1817
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:06
Rank: #14556
Start5K
25:06 | 8:05/mi
10K· 6.21 mi
49:35
Rank: #14241 (+315)
5K10K
24:29 | 7:53/mi
15K· 9.32 mi
1:14:14
Rank: #14090 (+151)
10K15K
24:39 | 7:56/mi
20K· 12.43 mi
1:39:01
Rank: #13843 (+247)
15K20K
24:47 | 7:59/mi
Half· 13.11 mi
1:44:28
Rank: #13856 (-13)
20KHalf
5:27 | 7:59/mi
25K· 15.53 mi
2:03:42
Rank: #13581 (+275)
Half25K
19:14 | 7:56/mi
30K· 18.64 mi
2:29:06
Rank: #13290 (+291)
25K30K
25:24 | 8:11/mi
20M
2:39:58
Rank: #13039 (+251)
30K20M
10:52 | 8:00/mi
21M
2:48:19
Rank: #12773 (+266)
20M21M
8:21 | 8:21/mi
35K· 21.75 mi
2:54:01
Rank: #12643 (+130)
21M35K
5:42 | 7:37/mi
23M
3:03:51
Rank: #12402 (+241)
35K23M
9:50 | 7:51/mi
24M
3:11:33
Rank: #12251 (+151)
23M24M
7:42 | 7:42/mi
40K· 24.85 mi
3:18:07
Rank: #12060 (+191)
24M40K
6:34 | 7:41/mi
25.2M
3:20:58
Rank: #11982 (+78)
40K25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:28:33
Rank: #11803 (+179)
25.2MFinish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:05
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2225:068:0525:06
8:05
-
10K
6.21 mi11:40:5149:357:5924:29
7:53
-0:12
15K
9.32 mi12:05:301:14:147:5824:39
7:56
+0:03
20K
12.43 mi12:30:171:39:017:5824:47
7:59
+0:03
Half
13.11 mi12:35:441:44:287:585:27
7:59
0:00
25K
15.53 mi12:54:582:03:427:5819:14
7:56
-0:03
30K
18.64 mi13:20:222:29:068:0025:24
8:11
+0:15
20M
20.00 mi13:31:142:39:588:0010:52
8:00
-0:11
21M
21.00 mi13:39:352:48:198:018:21
8:21
+0:21
35K
21.75 mi13:45:172:54:018:005:42
7:37
-0:44
23M
23.00 mi13:55:073:03:518:009:50
7:51
+0:14
24M
24.00 mi14:02:493:11:337:597:42
7:42
-0:09
40K
24.85 mi14:09:233:18:077:586:34
7:41
-0:01
25.2M
25.20 mi14:12:143:20:587:582:51
8:16
+0:35
Finish
26.22 mi14:19:493:28:337:587:35
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

7:26 /mi

Average Pace

7:58 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:57

82% of race

Time at Steady Pace

36:36

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:16:2225:068:0525:06
8:05
#14556
10K
6.21 mi11:40:5149:357:5924:29
7:53
#14241
15K
9.32 mi12:05:301:14:147:5824:39
7:56
#14090
20K
12.43 mi12:30:171:39:017:5824:47
7:59
#13843
Half
13.11 mi12:35:441:44:287:585:27
7:59
#13856
25K
15.53 mi12:54:582:03:427:5819:14
7:56
#13581
30K
18.64 mi13:20:222:29:068:0025:24
8:11
#13290
20M
20.00 mi13:31:142:39:588:0010:52
8:00
#13039
21M
21.00 mi13:39:352:48:198:018:21
8:21
#12773
35K
21.75 mi13:45:172:54:018:005:42
7:37
#12643
23M
23.00 mi13:55:073:03:518:009:50
7:51
#12402
24M
24.00 mi14:02:493:11:337:597:42
7:42
#12251
40K
24.85 mi14:09:233:18:077:586:34
7:41
#12060
25.2M
25.20 mi14:12:143:20:587:582:51
8:16
#11982
Finish
26.22 mi14:19:493:28:337:587:35
7:26
#11803
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi145564356435613857(Top 52%)3997(Top 35%)3997(Top 220%)
10K6.21 mi3.10 mi14241+3154190+1664190+16613815(Top 52%)3931(Top 34%)3931(Top 216%)
15K9.32 mi3.11 mi14090+1514110+804110+8013857(Top 52%)3997(Top 35%)3997(Top 220%)
20K12.43 mi3.11 mi13843+2473986+1243986+12413246(Top 50%)3678(Top 32%)3678(Top 202%)
Half13.11 mi0.68 mi13856-133999-133999-1314272(Top 54%)4216(Top 37%)4216(Top 232%)
25K15.53 mi2.42 mi13581+2753850+1493850+14912174(Top 46%)3176(Top 28%)3176(Top 175%)
30K18.64 mi3.11 mi13290+2913721+1293721+12912166(Top 46%)3280(Top 29%)3280(Top 181%)
20M20.00 mi1.36 mi13039+2513591+1303591+13010276(Top 39%)2369(Top 21%)2369(Top 130%)
21M21.00 mi1.00 mi12773+2663455+1363455+1369571(Top 36%)2185(Top 19%)2185(Top 120%)
35K21.75 mi0.75 mi12643+1303392+633392+639464(Top 36%)2141(Top 19%)2141(Top 118%)
23M23.00 mi1.25 mi12402+2413277+1153277+1158795(Top 33%)1942(Top 17%)1942(Top 107%)
24M24.00 mi1.00 mi12251+1513217+603217+609131(Top 34%)2175(Top 19%)2175(Top 120%)
40K24.85 mi0.85 mi12060+1913135+823135+827896(Top 30%)1726(Top 15%)1726(Top 95%)
25.2M25.20 mi0.35 mi11982+783092+433092+438208(Top 31%)1935(Top 17%)1935(Top 106%)
Finish26.22 mi1.02 mi11803+1793012+803012+808145(Top 31%)1909(Top 17%)1909(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13857

Females

3997

F45-49

3997

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13815

Females

3931

F45-49

3931

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13857

Females

3997

F45-49

3997

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13246

Females

3678

F45-49

3678

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14272

Females

4216

F45-49

4216

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12174

Females

3176

F45-49

3176

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12166

Females

3280

F45-49

3280

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10276

Females

2369

F45-49

2369

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9571

Females

2185

F45-49

2185

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9464

Females

2141

F45-49

2141

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8795

Females

1942

F45-49

1942

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9131

Females

2175

F45-49

2175

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7896

Females

1726

F45-49

1726

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8208

Females

1935

F45-49

1935

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8145

Females

1909

F45-49

1909

Passing Analysis

Category:
Athletes Passed
3273
Passed By
520
Net Change
+2753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14556
5K10K489174+315#14556#14241
10K15K268117+151#14241#14090
15K20K30457+247#14090#13843
20KHalf2942-13#13843#13856
Half25K29722+275#13856#13581
25K30K36271+291#13581#13290
30K20M2576+251#13290#13039
20M21M2704+266#13039#12773
21M35K1322+130#12773#12643
35K23M2509+241#12643#12402
23M24M1565+151#12402#12251
24M40K1932+191#12251#12060
40K25.2M802+78#12060#11982
25.2MFinish1867+179#11982#11803
TOTALS3273520+2753
📊

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