Mary Rosenkrance

Bib: 16642F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 45%
Division (F55-59)
#0 / 876
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:37
Rank: #16319
Start5K
25:37 | 8:15/mi
10K· 6.21 mi
50:16
Rank: #15043 (+1276)
5K10K
24:39 | 7:56/mi
15K· 9.32 mi
1:15:30
Rank: #14714 (+329)
10K15K
25:14 | 8:07/mi
20K· 12.43 mi
1:41:43
Rank: #14643 (+71)
15K20K
26:13 | 8:26/mi
Half· 13.11 mi
1:47:22
Rank: #14622 (+21)
20KHalf
5:39 | 8:17/mi
25K· 15.53 mi
2:10:06
Rank: #15069 (-447)
Half25K
22:44 | 9:23/mi
30K· 18.64 mi
2:39:14
Rank: #15052 (+17)
25K30K
29:08 | 9:23/mi
20M
2:52:40
Rank: #15155 (-103)
30K20M
13:26 | 9:53/mi
21M
3:04:41
Rank: #15502 (-347)
20M21M
12:01 | 12:01/mi
35K· 21.75 mi
3:12:38
Rank: #15727 (-225)
21M35K
7:57 | 10:38/mi
23M
3:24:36
Rank: #15599 (+128)
35K23M
11:58 | 9:33/mi
24M
3:34:33
Rank: #15643 (-44)
23M24M
9:57 | 9:57/mi
40K· 24.85 mi
3:43:28
Rank: #15669 (-26)
24M40K
8:55 | 10:26/mi
25.2M
3:47:29
Rank: #15678 (-9)
40K25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
3:57:25
Rank: #15730 (-52)
25.2MFinish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5625:378:1525:37
8:15
-
10K
6.21 mi11:40:3550:168:0524:39
7:56
-0:19
15K
9.32 mi12:05:491:15:308:0625:14
8:07
+0:11
20K
12.43 mi12:32:021:41:438:1126:13
8:26
+0:19
Half
13.11 mi12:37:411:47:228:115:39
8:17
-0:09
25K
15.53 mi13:00:252:10:068:2322:44
9:23
+1:06
30K
18.64 mi13:29:332:39:148:3329:08
9:23
0:00
20M
20.00 mi13:42:592:52:408:3813:26
9:53
+0:30
21M
21.00 mi13:55:003:04:418:4812:01
12:01
+2:08
35K
21.75 mi14:02:573:12:388:517:57
10:38
-1:23
23M
23.00 mi14:14:553:24:368:5411:58
9:33
-1:05
24M
24.00 mi14:24:523:34:338:569:57
9:57
+0:24
40K
24.85 mi14:33:473:43:288:598:55
10:26
+0:29
25.2M
25.20 mi14:37:483:47:299:024:01
11:39
+1:13
Finish
26.22 mi14:47:443:57:259:049:56
9:45
-1:54

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

7:56 /mi

Average Pace

9:04 /mi

Slowest Pace

12:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:22

45% of race

Time at Steady Pace

1:37:09

41% of race

Time at Slower Pace

32:54

14% of race

Average Pace: 9:03 /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 mi11:15:5625:378:1525:37
8:15
#16319
10K
6.21 mi11:40:3550:168:0524:39
7:56
#15043
15K
9.32 mi12:05:491:15:308:0625:14
8:07
#14714
20K
12.43 mi12:32:021:41:438:1126:13
8:26
#14643
Half
13.11 mi12:37:411:47:228:115:39
8:17
#14622
25K
15.53 mi13:00:252:10:068:2322:44
9:23
#15069
30K
18.64 mi13:29:332:39:148:3329:08
9:23
#15052
20M
20.00 mi13:42:592:52:408:3813:26
9:53
#15155
21M
21.00 mi13:55:003:04:418:4812:01
12:01
#15502
35K
21.75 mi14:02:573:12:388:517:57
10:38
#15727
23M
23.00 mi14:14:553:24:368:5411:58
9:33
#15599
24M
24.00 mi14:24:523:34:338:569:57
9:57
#15643
40K
24.85 mi14:33:473:43:288:598:55
10:26
#15669
25.2M
25.20 mi14:37:483:47:299:024:01
11:39
#15678
Finish
26.22 mi14:47:443:57:259:049:56
9:45
#15730
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi163195754575414239(Top 56%)4517(Top 41%)4517(Top 516%)
10K6.21 mi3.10 mi15043+12764961+7934961+79313728(Top 54%)4186(Top 38%)4186(Top 478%)
15K9.32 mi3.11 mi14714+3294771+1904771+19014239(Top 56%)4517(Top 41%)4517(Top 516%)
20K12.43 mi3.11 mi14643+714743+284743+2814491(Top 57%)4716(Top 43%)4716(Top 538%)
Half13.11 mi0.68 mi14622+214743474314544(Top 57%)4789(Top 44%)4789(Top 547%)
25K15.53 mi2.42 mi15069-4475040-2975040-29717106(Top 67%)6332(Top 58%)6332(Top 723%)
30K18.64 mi3.11 mi15052+175116-765116-7614960(Top 59%)5394(Top 49%)5394(Top 616%)
20M20.00 mi1.36 mi15155-1035222-1065222-10616082(Top 63%)6249(Top 57%)6249(Top 713%)
21M21.00 mi1.00 mi15502-3475462-2405462-24018848(Top 74%)7748(Top 71%)7748(Top 884%)
35K21.75 mi0.75 mi15727-2255622-1605622-16018906(Top 74%)7777(Top 71%)7777(Top 888%)
23M23.00 mi1.25 mi15599+1285597+255597+2513768(Top 54%)5301(Top 49%)5301(Top 605%)
24M24.00 mi1.00 mi15643-445647-505647-5016156(Top 63%)6524(Top 60%)6524(Top 745%)
40K24.85 mi0.85 mi15669-265689-425689-4216483(Top 65%)6741(Top 62%)6741(Top 770%)
25.2M25.20 mi0.35 mi15678-95712-235712-2316468(Top 64%)6766(Top 62%)6766(Top 772%)
Finish26.22 mi1.02 mi15730-525758-465758-4617537(Top 69%)7276(Top 67%)7276(Top 831%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14239

Females

4517

F55-59

4517

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

13728

Females

4186

F55-59

4186

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14239

Females

4517

F55-59

4517

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

14491

Females

4716

F55-59

4716

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14544

Females

4789

F55-59

4789

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17106

Females

6332

F55-59

6332

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

14960

Females

5394

F55-59

5394

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16082

Females

6249

F55-59

6249

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

18848

Females

7748

F55-59

7748

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

18906

Females

7777

F55-59

7777

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

13768

Females

5301

F55-59

5301

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16156

Females

6524

F55-59

6524

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

16483

Females

6741

F55-59

6741

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16468

Females

6766

F55-59

6766

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

17537

Females

7276

F55-59

7276

Passing Analysis

Category:
Athletes Passed
2999
Passed By
2410
Net Change
+589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16319
5K10K130428+1276#16319#15043
10K15K41081+329#15043#14714
15K20K276205+71#14714#14643
20KHalf5231+21#14643#14622
Half25K100547-447#14622#15069
25K30K281264+17#15069#15052
30K20M86189-103#15052#15155
20M21M44391-347#15155#15502
21M35K32257-225#15502#15727
35K23M18254+128#15727#15599
23M24M71115-44#15599#15643
24M40K6692-26#15643#15669
40K25.2M3847-9#15669#15678
25.2MFinish57109-52#15678#15730
TOTALS29992410+589
📊

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