Sarah Gretczko

Bib: 21208F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F45-49)
#0 / 1813
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #14736
Start5K
7:47/mi
24:12 split
10K· 6.21 mi
48:10
Rank: #14347 (+389)
5K10K
7:43/mi
23:58 split
15K· 9.32 mi
1:12:12
Rank: #14175 (+172)
10K15K
7:44/mi
24:02 split
20K· 12.43 mi
1:36:30
Rank: #13955 (+220)
15K20K
7:49/mi
24:18 split
Half· 13.11 mi
1:41:56
Rank: #14044 (-89)
20KHalf
7:58/mi
5:26 split
25K· 15.53 mi
2:01:23
Rank: #13998 (+46)
Half25K
8:01/mi
19:27 split
30K· 18.64 mi
2:28:00
Rank: #14190 (-192)
25K30K
8:34/mi
26:37 split
20M
2:40:13
Rank: #14420 (-230)
30K20M
8:59/mi
12:13 split
21M
2:49:41
Rank: #14505 (-85)
20M21M
9:28/mi
9:28 split
35K· 21.75 mi
2:56:44
Rank: #14759 (-254)
21M35K
9:25/mi
7:03 split
23M
3:09:01
Rank: #15166 (-407)
35K23M
9:49/mi
12:17 split
24M
3:19:10
Rank: #15577 (-411)
23M24M
10:09/mi
10:09 split
40K· 24.85 mi
3:27:41
Rank: #15790 (-213)
24M40K
9:58/mi
8:31 split
25.2M
3:31:37
Rank: #15933 (-143)
40K25.2M
11:24/mi
3:56 split
Finish· 26.22 mi
3:40:44
Rank: #16046 (-113)
25.2MFinish
8:57/mi
9:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:56
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:58:48
Pace9:04 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3824:127:4724:12
7:47
-
10K
6.21 mi11:40:3648:107:4523:58
7:43
-0:04
15K
9.32 mi12:04:381:12:127:4524:02
7:44
+0:01
20K
12.43 mi12:28:561:36:307:4624:18
7:49
+0:05
Half
13.11 mi12:34:221:41:567:475:26
7:58
+0:09
25K
15.53 mi12:53:492:01:237:4919:27
8:01
+0:03
30K
18.64 mi13:20:262:28:007:5626:37
8:34
+0:33
20M
20.00 mi13:32:392:40:138:0112:13
8:59
+0:25
21M
21.00 mi13:42:072:49:418:059:28
9:28
+0:29
35K
21.75 mi13:49:102:56:448:087:03
9:25
-0:03
23M
23.00 mi14:01:273:09:018:1312:17
9:49
+0:24
24M
24.00 mi14:11:363:19:108:1810:09
10:09
+0:20
40K
24.85 mi14:20:073:27:418:218:31
9:58
-0:11
25.2M
25.20 mi14:24:033:31:378:243:56
11:24
+1:26
Finish
26.22 mi14:33:103:40:448:259:07
8:57
-2:27

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

7:43 /mi

Average Pace

8:25 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:23

55% of race

Time at Steady Pace

1:04:28

29% of race

Time at Slower Pace

34:53

16% of race

Average Pace: 8:25 /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 mi11:16:3824:127:4724:12
7:47
#14736
10K
6.21 mi11:40:3648:107:4523:58
7:43
#14347
15K
9.32 mi12:04:381:12:127:4524:02
7:44
#14175
20K
12.43 mi12:28:561:36:307:4624:18
7:49
#13955
Half
13.11 mi12:34:221:41:567:475:26
7:58
#14044
25K
15.53 mi12:53:492:01:237:4919:27
8:01
#13998
30K
18.64 mi13:20:262:28:007:5626:37
8:34
#14190
20M
20.00 mi13:32:392:40:138:0112:13
8:59
#14420
21M
21.00 mi13:42:072:49:418:059:28
9:28
#14505
35K
21.75 mi13:49:102:56:448:087:03
9:25
#14759
23M
23.00 mi14:01:273:09:018:1312:17
9:49
#15166
24M
24.00 mi14:11:363:19:108:1810:09
10:09
#15577
40K
24.85 mi14:20:073:27:418:218:31
9:58
#15790
25.2M
25.20 mi14:24:033:31:378:243:56
11:24
#15933
Finish
26.22 mi14:33:103:40:448:259:07
8:57
#16046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi147364373437313836(Top 49%)3922(Top 32%)3922(Top 216%)
10K6.21 mi3.10 mi14347+3894151+2224151+22214044(Top 49%)3984(Top 33%)3984(Top 220%)
15K9.32 mi3.11 mi14175+1724076+754076+7513836(Top 49%)3922(Top 32%)3922(Top 216%)
20K12.43 mi3.11 mi13955+2203979+973979+9713468(Top 47%)3801(Top 31%)3801(Top 210%)
Half13.11 mi0.68 mi14044-894028-494028-4915685(Top 55%)5005(Top 41%)5005(Top 276%)
25K15.53 mi2.42 mi13998+464045-174045-1714090(Top 50%)4250(Top 35%)4250(Top 234%)
30K18.64 mi3.11 mi14190-1924218-1734218-17315199(Top 54%)5018(Top 41%)5018(Top 277%)
20M20.00 mi1.36 mi14420-2304380-1624380-16216743(Top 59%)5996(Top 49%)5996(Top 331%)
21M21.00 mi1.00 mi14505-854442-624442-6215946(Top 56%)5679(Top 46%)5679(Top 313%)
35K21.75 mi0.75 mi14759-2544604-1624604-16220050(Top 71%)8000(Top 65%)8000(Top 441%)
23M23.00 mi1.25 mi15166-4074867-2634867-26319826(Top 70%)7952(Top 65%)7952(Top 439%)
24M24.00 mi1.00 mi15577-4115135-2685135-26821800(Top 77%)9032(Top 74%)9032(Top 498%)
40K24.85 mi0.85 mi15790-2135285-1505285-15020352(Top 72%)8332(Top 68%)8332(Top 460%)
25.2M25.20 mi0.35 mi15933-1435380-955380-9521811(Top 77%)9049(Top 74%)9049(Top 499%)
Finish26.22 mi1.02 mi16046-1135457-775457-7718773(Top 66%)7469(Top 61%)7469(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13836

Females

3922

F45-49

3922

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

14044

Females

3984

F45-49

3984

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13836

Females

3922

F45-49

3922

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13468

Females

3801

F45-49

3801

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15685

Females

5005

F45-49

5005

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14090

Females

4250

F45-49

4250

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15199

Females

5018

F45-49

5018

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16743

Females

5996

F45-49

5996

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15946

Females

5679

F45-49

5679

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20050

Females

8000

F45-49

8000

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19826

Females

7952

F45-49

7952

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21800

Females

9032

F45-49

9032

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20352

Females

8332

F45-49

8332

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21811

Females

9049

F45-49

9049

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18773

Females

7469

F45-49

7469

Passing Analysis

Category:
Athletes Passed
1823
Passed By
3133
Net Change
-1310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14736
5K10K524135+389#14736#14347
10K15K289117+172#14347#14175
15K20K31797+220#14175#13955
20KHalf15104-89#13955#14044
Half25K184138+46#14044#13998
25K30K208400-192#13998#14190
30K20M59289-230#14190#14420
20M21M86171-85#14420#14505
21M35K21275-254#14505#14759
35K23M34441-407#14759#15166
23M24M12423-411#15166#15577
24M40K31244-213#15577#15790
40K25.2M11154-143#15790#15933
25.2MFinish32145-113#15933#16046
TOTALS18233133-1310
📊

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