Sally Marrack

Bib: 21441F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 45%
Masters (Masters Women)
#0 / 6263
Top 35%
Division (F50-54)
#0 / 1187
Top 28%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:08
Rank: #17283
Start5K
8:25/mi
26:08 split
10K· 6.21 mi
52:13
Rank: #16941 (+342)
5K10K
8:24/mi
26:05 split
15K· 9.32 mi
1:18:32
Rank: #16657 (+284)
10K15K
8:28/mi
26:19 split
20K· 12.43 mi
1:44:49
Rank: #16039 (+618)
15K20K
8:28/mi
26:17 split
Half· 13.11 mi
1:50:31
Rank: #15976 (+63)
20KHalf
8:21/mi
5:42 split
25K· 15.53 mi
2:11:27
Rank: #15576 (+400)
Half25K
8:38/mi
20:56 split
30K· 18.64 mi
2:39:42
Rank: #15180 (+396)
25K30K
9:06/mi
28:15 split
20M
2:52:00
Rank: #14988 (+192)
30K20M
9:03/mi
12:18 split
21M
3:02:04
Rank: #14865 (+123)
20M21M
10:04/mi
10:04 split
35K· 21.75 mi
3:08:33
Rank: #14725 (+140)
21M35K
8:40/mi
6:29 split
23M
3:19:59
Rank: #14516 (+209)
35K23M
9:08/mi
11:26 split
24M
3:28:49
Rank: #14339 (+177)
23M24M
8:50/mi
8:50 split
40K· 24.85 mi
3:36:44
Rank: #14237 (+102)
24M40K
9:16/mi
7:55 split
25.2M
3:40:37
Rank: #14255 (-18)
40K25.2M
11:16/mi
3:53 split
Finish· 26.22 mi
3:50:02
Rank: #14276 (-21)
25.2MFinish
9:14/mi
9:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:31
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:59:31
Pace9:07 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5226:088:2526:08
8:25
-
10K
6.21 mi11:48:5752:138:2426:05
8:24
-0:01
15K
9.32 mi12:15:161:18:328:2626:19
8:28
+0:04
20K
12.43 mi12:41:331:44:498:2626:17
8:28
0:00
Half
13.11 mi12:47:151:50:318:265:42
8:21
-0:07
25K
15.53 mi13:08:112:11:278:2820:56
8:38
+0:17
30K
18.64 mi13:36:262:39:428:3428:15
9:06
+0:28
20M
20.00 mi13:48:442:52:008:3612:18
9:03
-0:03
21M
21.00 mi13:58:483:02:048:4010:04
10:04
+1:01
35K
21.75 mi14:05:173:08:338:406:29
8:40
-1:24
23M
23.00 mi14:16:433:19:598:4211:26
9:08
+0:28
24M
24.00 mi14:25:333:28:498:428:50
8:50
-0:18
40K
24.85 mi14:33:283:36:448:437:55
9:16
+0:26
25.2M
25.20 mi14:37:213:40:378:453:53
11:16
+2:00
Finish
26.22 mi14:46:463:50:028:479:25
9:14
-2:02

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

8:21 /mi

Average Pace

8:47 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:55

25% of race

Time at Steady Pace

2:20:50

61% of race

Time at Slower Pace

31:17

14% of race

Average Pace: 8:46 /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 mi11:22:5226:088:2526:08
8:25
#17283
10K
6.21 mi11:48:5752:138:2426:05
8:24
#16941
15K
9.32 mi12:15:161:18:328:2626:19
8:28
#16657
20K
12.43 mi12:41:331:44:498:2626:17
8:28
#16039
Half
13.11 mi12:47:151:50:318:265:42
8:21
#15976
25K
15.53 mi13:08:112:11:278:2820:56
8:38
#15576
30K
18.64 mi13:36:262:39:428:3428:15
9:06
#15180
20M
20.00 mi13:48:442:52:008:3612:18
9:03
#14988
21M
21.00 mi13:58:483:02:048:4010:04
10:04
#14865
35K
21.75 mi14:05:173:08:338:406:29
8:40
#14725
23M
23.00 mi14:16:433:19:598:4211:26
9:08
#14516
24M
24.00 mi14:25:333:28:498:428:50
8:50
#14339
40K
24.85 mi14:33:283:36:448:437:55
9:16
#14237
25.2M
25.20 mi14:37:213:40:378:453:53
11:16
#14255
Finish
26.22 mi14:46:463:50:028:479:25
9:14
#14276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi172836324632416243(Top 64%)5705(Top 52%)5705(Top 481%)
10K6.21 mi3.10 mi16941+3426110+2146110+21416671(Top 65%)5929(Top 54%)5929(Top 499%)
15K9.32 mi3.11 mi16657+2845940+1705940+17016243(Top 64%)5705(Top 52%)5705(Top 481%)
20K12.43 mi3.11 mi16039+6185598+3425598+34214608(Top 57%)4783(Top 44%)4783(Top 403%)
Half13.11 mi0.68 mi15976+635569+295569+2914941(Top 58%)5008(Top 46%)5008(Top 422%)
25K15.53 mi2.42 mi15576+4005349+2205349+22013777(Top 54%)4486(Top 41%)4486(Top 378%)
30K18.64 mi3.11 mi15180+3965187+1625187+16213682(Top 54%)4662(Top 43%)4662(Top 393%)
20M20.00 mi1.36 mi14988+1925120+675120+6712431(Top 49%)4259(Top 39%)4259(Top 359%)
21M21.00 mi1.00 mi14865+1235096+245096+2413261(Top 52%)4926(Top 45%)4926(Top 415%)
35K21.75 mi0.75 mi14725+1405049+475049+4711678(Top 46%)4125(Top 38%)4125(Top 348%)
23M23.00 mi1.25 mi14516+2094995+544995+5411859(Top 46%)4334(Top 40%)4334(Top 365%)
24M24.00 mi1.00 mi14339+1774923+724923+7211316(Top 44%)4072(Top 37%)4072(Top 343%)
40K24.85 mi0.85 mi14237+1024899+244899+2412079(Top 47%)4576(Top 42%)4576(Top 386%)
25.2M25.20 mi0.35 mi14255-184931-324931-3215357(Top 60%)6195(Top 57%)6195(Top 522%)
Finish26.22 mi1.02 mi14276-214967-364967-3615327(Top 60%)6159(Top 56%)6159(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16243

Females

5705

F50-54

5705

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16671

Females

5929

F50-54

5929

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16243

Females

5705

F50-54

5705

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14608

Females

4783

F50-54

4783

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14941

Females

5008

F50-54

5008

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13777

Females

4486

F50-54

4486

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13682

Females

4662

F50-54

4662

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12431

Females

4259

F50-54

4259

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13261

Females

4926

F50-54

4926

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

11678

Females

4125

F50-54

4125

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

11859

Females

4334

F50-54

4334

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11316

Females

4072

F50-54

4072

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12079

Females

4576

F50-54

4576

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15357

Females

6195

F50-54

6195

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15327

Females

6159

F50-54

6159

Passing Analysis

Category:
Athletes Passed
3734
Passed By
727
Net Change
+3007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17283
5K10K483141+342#17283#16941
10K15K38197+284#16941#16657
15K20K64123+618#16657#16039
20KHalf7613+63#16039#15976
Half25K42727+400#15976#15576
25K30K46468+396#15576#15180
30K20M22634+192#15180#14988
20M21M19269+123#14988#14865
21M35K15717+140#14865#14725
35K23M24839+209#14725#14516
23M24M19821+177#14516#14339
24M40K12624+102#14339#14237
40K25.2M3553-18#14237#14255
25.2MFinish80101-21#14255#14276
TOTALS3734727+3007
📊

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