Sarah Koons

Bib: 30424F

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:22
Rank: #24085
Start5K
9:27/mi
29:22 split
10K· 6.21 mi
57:20
Rank: #23308 (+777)
5K10K
9:00/mi
27:58 split
15K· 9.32 mi
1:25:29
Rank: #22980 (+328)
10K15K
9:04/mi
28:09 split
20K· 12.43 mi
1:53:51
Rank: #22632 (+348)
15K20K
9:08/mi
28:22 split
Half· 13.11 mi
2:00:02
Rank: #22600 (+32)
20KHalf
9:04/mi
6:11 split
25K· 15.53 mi
2:23:51
Rank: #22653 (-53)
Half25K
9:49/mi
23:49 split
30K· 18.64 mi
2:55:44
Rank: #22588 (+65)
25K30K
10:16/mi
31:53 split
20M
3:10:13
Rank: #22597 (-9)
30K20M
10:39/mi
14:29 split
21M
3:21:55
Rank: #22617 (-20)
20M21M
11:42/mi
11:42 split
35K· 21.75 mi
3:29:58
Rank: #22649 (-32)
21M35K
10:46/mi
8:03 split
23M
3:43:38
Rank: #22662 (-13)
35K23M
10:55/mi
13:40 split
24M
3:54:01
Rank: #22642 (+20)
23M24M
10:23/mi
10:23 split
40K· 24.85 mi
4:03:23
Rank: #22649 (-7)
24M40K
10:57/mi
9:22 split
25.2M
4:07:40
Rank: #22676 (-27)
40K25.2M
12:25/mi
4:17 split
Finish· 26.22 mi
4:17:41
Rank: #22677 (-1)
25.2MFinish
9:50/mi
10:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:02
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:17:39
Pace10:30 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2429:229:2729:22
9:27
-
10K
6.21 mi12:17:2257:209:1427:58
9:00
-0:27
15K
9.32 mi12:45:311:25:299:1028:09
9:04
+0:04
20K
12.43 mi13:13:531:53:519:1028:22
9:08
+0:04
Half
13.11 mi13:20:042:00:029:096:11
9:04
-0:04
25K
15.53 mi13:43:532:23:519:1623:49
9:49
+0:45
30K
18.64 mi14:15:462:55:449:2631:53
10:16
+0:27
20M
20.00 mi14:30:153:10:139:3114:29
10:39
+0:23
21M
21.00 mi14:41:573:21:559:3711:42
11:42
+1:03
35K
21.75 mi14:50:003:29:589:398:03
10:46
-0:56
23M
23.00 mi15:03:403:43:389:4313:40
10:55
+0:09
24M
24.00 mi15:14:033:54:019:4510:23
10:23
-0:32
40K
24.85 mi15:23:254:03:239:489:22
10:57
+0:34
25.2M
25.20 mi15:27:424:07:409:504:17
12:25
+1:28
Finish
26.22 mi15:37:434:17:419:5010:01
9:50
-2:35

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

9:00 /mi

Average Pace

9:50 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:02

47% of race

Time at Steady Pace

1:30:35

35% of race

Time at Slower Pace

47:04

18% of race

Average Pace: 9:50 /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 mi11:49:2429:229:2729:22
9:27
#24085
10K
6.21 mi12:17:2257:209:1427:58
9:00
#23308
15K
9.32 mi12:45:311:25:299:1028:09
9:04
#22980
20K
12.43 mi13:13:531:53:519:1028:22
9:08
#22632
Half
13.11 mi13:20:042:00:029:096:11
9:04
#22600
25K
15.53 mi13:43:532:23:519:1623:49
9:49
#22653
30K
18.64 mi14:15:462:55:449:2631:53
10:16
#22588
20M
20.00 mi14:30:153:10:139:3114:29
10:39
#22597
21M
21.00 mi14:41:573:21:559:3711:42
11:42
#22617
35K
21.75 mi14:50:003:29:589:398:03
10:46
#22649
23M
23.00 mi15:03:403:43:389:4313:40
10:55
#22662
24M
24.00 mi15:14:033:54:019:4510:23
10:23
#22642
40K
24.85 mi15:23:254:03:239:489:22
10:57
#22649
25.2M
25.20 mi15:27:424:07:409:504:17
12:25
#22676
Finish
26.22 mi15:37:434:17:419:5010:01
9:50
#22677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240859739973922309(Top 79%)8732(Top 71%)8732(Top 160%)
10K6.21 mi3.10 mi23308+7779319+4209319+42022404(Top 79%)8818(Top 72%)8818(Top 161%)
15K9.32 mi3.11 mi22980+3289113+2069113+20622309(Top 79%)8732(Top 71%)8732(Top 160%)
20K12.43 mi3.11 mi22632+3488925+1888925+18821610(Top 76%)8377(Top 69%)8377(Top 153%)
Half13.11 mi0.68 mi22600+328908+178908+1722130(Top 78%)8687(Top 71%)8687(Top 159%)
25K15.53 mi2.42 mi22653-538952-448952-4422828(Top 80%)9106(Top 74%)9106(Top 167%)
30K18.64 mi3.11 mi22588+658964-128964-1222351(Top 79%)8971(Top 73%)8971(Top 164%)
20M20.00 mi1.36 mi22597-98987-238987-2322857(Top 80%)9344(Top 76%)9344(Top 171%)
21M21.00 mi1.00 mi22617-209011-249011-2423028(Top 81%)9513(Top 78%)9513(Top 174%)
35K21.75 mi0.75 mi22649-329046-359046-3523729(Top 84%)9906(Top 81%)9906(Top 181%)
23M23.00 mi1.25 mi22662-139082-369082-3623042(Top 81%)9625(Top 79%)9625(Top 176%)
24M24.00 mi1.00 mi22642+209098-169098-1622494(Top 79%)9388(Top 77%)9388(Top 172%)
40K24.85 mi0.85 mi22649-79113-159113-1523052(Top 81%)9732(Top 80%)9732(Top 178%)
25.2M25.20 mi0.35 mi22676-279134-219134-2124069(Top 85%)10198(Top 83%)10198(Top 186%)
Finish26.22 mi1.02 mi22677-19156-229156-2222397(Top 79%)9372(Top 77%)9372(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22309

Females

8732

F18-39

8732

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22404

Females

8818

F18-39

8818

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22309

Females

8732

F18-39

8732

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21610

Females

8377

F18-39

8377

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22130

Females

8687

F18-39

8687

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22828

Females

9106

F18-39

9106

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22351

Females

8971

F18-39

8971

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22857

Females

9344

F18-39

9344

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23028

Females

9513

F18-39

9513

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23729

Females

9906

F18-39

9906

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23042

Females

9625

F18-39

9625

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22494

Females

9388

F18-39

9388

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23052

Females

9732

F18-39

9732

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24069

Females

10198

F18-39

10198

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22397

Females

9372

F18-39

9372

Passing Analysis

Category:
Athletes Passed
2369
Passed By
961
Net Change
+1408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24085
5K10K80932+777#24085#23308
10K15K38254+328#23308#22980
15K20K39345+348#22980#22632
20KHalf4917+32#22632#22600
Half25K131184-53#22600#22653
25K30K203138+65#22653#22588
30K20M6978-9#22588#22597
20M21M7090-20#22597#22617
21M35K3466-32#22617#22649
35K23M7386-13#22649#22662
23M24M6646+20#22662#22642
24M40K3946-7#22642#22649
40K25.2M835-27#22649#22676
25.2MFinish4344-1#22676#22677
TOTALS2369961+1408
📊

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