Rosalyn Cooper

Bib: 14770F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:15
Rank: #20849
Start5K
28:15 | 9:06/mi
10K· 6.21 mi
57:08
Rank: #21378 (-529)
5K10K
28:53 | 9:18/mi
15K· 9.32 mi
1:30:49
Rank: #23001 (-1623)
10K15K
33:41 | 10:50/mi
20K· 12.43 mi
2:09:19
Rank: #24239 (-1238)
15K20K
38:30 | 12:24/mi
Half· 13.11 mi
2:17:45
Rank: #24419 (-180)
20KHalf
8:26 | 12:22/mi
25K· 15.53 mi
2:59:47
Rank: #25672 (-1253)
Half25K
42:02 | 17:20/mi
30K· 18.64 mi
4:27:47
Rank: #26612 (-940)
25K30K
1:28:00 | 28:19/mi
20M
5:06:16
Rank: #26618 (-6)
30K20M
38:29 | 28:19/mi
21M
5:18:59
Rank: #26617 (+1)
20M21M
12:43 | 12:43/mi
35K· 21.75 mi
5:27:11
Rank: #26616 (+1)
21M35K
8:12 | 10:58/mi
23M
5:42:30
Rank: #26614 (+2)
35K23M
15:19 | 12:14/mi
24M
5:54:06
Rank: #26610 (+4)
23M24M
11:36 | 11:36/mi
40K· 24.85 mi
6:07:18
Rank: #26609 (+1)
24M40K
13:12 | 15:26/mi
25.2M
6:14:43
Rank: #26611 (-2)
40K25.2M
7:25 | 21:30/mi
Finish· 26.22 mi
6:26:09
Rank: #26609 (+2)
25.2MFinish
11:26 | 11:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:45
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time4:08:24
Pace18:57 /mi
📊Positive Split: 80.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4628:159:0628:15
9:06
-
10K
6.21 mi11:53:3957:089:1228:53
9:18
+0:12
15K
9.32 mi12:27:201:30:499:4533:41
10:50
+1:32
20K
12.43 mi13:05:502:09:1910:2438:30
12:24
+1:34
Half
13.11 mi13:14:162:17:4510:308:26
12:22
-0:02
25K
15.53 mi13:56:182:59:4711:3442:02
17:20
+4:58
30K
18.64 mi15:24:184:27:4714:221:28:00
28:19
+10:59
20M
20.00 mi16:02:475:06:1615:1938:29
28:19
0:00
21M
21.00 mi16:15:305:18:5915:1112:43
12:43
-15:36
35K
21.75 mi16:23:425:27:1115:038:12
10:58
-1:45
23M
23.00 mi16:39:015:42:3014:5315:19
12:14
+1:16
24M
24.00 mi16:50:375:54:0614:4511:36
11:36
-0:38
40K
24.85 mi17:03:496:07:1814:4713:12
15:26
+3:50
25.2M
25.20 mi17:11:146:14:4314:527:25
21:30
+6:04
Finish
26.22 mi17:22:406:26:0914:4411:26
11:13
-10:17

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

9:06 /mi

Average Pace

14:44 /mi

Slowest Pace

28:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:08

15% of race

Time at Steady Pace

2:19:53

36% of race

Time at Slower Pace

3:09:08

49% of race

Average Pace: 14:44 /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 mi11:24:4628:159:0628:15
9:06
#20849
10K
6.21 mi11:53:3957:089:1228:53
9:18
#21378
15K
9.32 mi12:27:201:30:499:4533:41
10:50
#23001
20K
12.43 mi13:05:502:09:1910:2438:30
12:24
#24239
Half
13.11 mi13:14:162:17:4510:308:26
12:22
#24419
25K
15.53 mi13:56:182:59:4711:3442:02
17:20
#25672
30K
18.64 mi15:24:184:27:4714:221:28:00
28:19
#26612
20M
20.00 mi16:02:475:06:1615:1938:29
28:19
#26618
21M
21.00 mi16:15:305:18:5915:1112:43
12:43
#26617
35K
21.75 mi16:23:425:27:1115:038:12
10:58
#26616
23M
23.00 mi16:39:015:42:3014:5315:19
12:14
#26614
24M
24.00 mi16:50:375:54:0614:4511:36
11:36
#26610
40K
24.85 mi17:03:496:07:1814:4713:12
15:26
#26609
25.2M
25.20 mi17:11:146:14:4314:527:25
21:30
#26611
Finish
26.22 mi17:22:406:26:0914:4411:26
11:13
#26609
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi208498299829925001(Top 94%)10462(Top 92%)10462(Top 214%)
10K6.21 mi3.10 mi21378-5298520-2218520-22121932(Top 82%)8788(Top 77%)8788(Top 180%)
15K9.32 mi3.11 mi23001-16239359-8399359-83925001(Top 94%)10462(Top 92%)10462(Top 214%)
20K12.43 mi3.11 mi24239-123810023-66410023-66425899(Top 97%)10995(Top 96%)10995(Top 225%)
Half13.11 mi0.68 mi24419-18010130-10710130-10726093(Top 98%)11119(Top 97%)11119(Top 228%)
25K15.53 mi2.42 mi25672-125310860-73010860-73026617(Top 100%)11419(Top 100%)11419(Top 234%)
30K18.64 mi3.11 mi26612-94011421-56111421-56126622(Top 100%)11423(Top 100%)11423(Top 234%)
20M20.00 mi1.36 mi26618-6114211142126616(Top 100%)11421(Top 100%)11421(Top 234%)
21M21.00 mi1.00 mi26617+1114211142123743(Top 89%)9951(Top 87%)9951(Top 204%)
35K21.75 mi0.75 mi26616+1114211142123266(Top 87%)9743(Top 85%)9743(Top 199%)
23M23.00 mi1.25 mi26614+2114211142124289(Top 91%)10284(Top 90%)10284(Top 211%)
24M24.00 mi1.00 mi26610+4114211142124016(Top 90%)10174(Top 89%)10174(Top 208%)
40K24.85 mi0.85 mi26609+111420+111420+126293(Top 99%)11303(Top 99%)11303(Top 231%)
25.2M25.20 mi0.35 mi26611-211421-111421-126610(Top 100%)11420(Top 100%)11420(Top 234%)
Finish26.22 mi1.02 mi26609+211420+111420+124336(Top 91%)10325(Top 90%)10325(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25001

Females

10462

F18-39

10462

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21932

Females

8788

F18-39

8788

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25001

Females

10462

F18-39

10462

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25899

Females

10995

F18-39

10995

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26093

Females

11119

F18-39

11119

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

26617

Females

11419

F18-39

11419

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

26622

Females

11423

F18-39

11423

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

26616

Females

11421

F18-39

11421

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23743

Females

9951

F18-39

9951

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23266

Females

9743

F18-39

9743

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24289

Females

10284

F18-39

10284

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

24016

Females

10174

F18-39

10174

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26293

Females

11303

F18-39

11303

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26610

Females

11420

F18-39

11420

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24336

Females

10325

F18-39

10325

Passing Analysis

Category:
Athletes Passed
125
Passed By
5885
Net Change
-5760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20849
5K10K102631-529#20849#21378
10K15K41627-1623#21378#23001
15K20K41242-1238#23001#24239
20KHalf3183-180#24239#24419
Half25K11254-1253#24419#25672
25K30K0940-940#25672#26612
30K20M06-6#26612#26618
20M21M10+1#26618#26617
21M35K10+1#26617#26616
35K23M20+2#26616#26614
23M24M40+4#26614#26610
24M40K10+1#26610#26609
40K25.2M02-2#26609#26611
25.2MFinish20+2#26611#26609
TOTALS1255885-5760
📊

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