Stacey Korsbrek

Bib: 17417F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F40-44)
#0 / 1718
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:41
Rank: #16153
Start5K
7:57/mi
24:41 split
10K· 6.21 mi
49:23
Rank: #16090 (+63)
5K10K
7:57/mi
24:42 split
15K· 9.32 mi
1:14:19
Rank: #16110 (-20)
10K15K
8:02/mi
24:56 split
20K· 12.43 mi
1:38:44
Rank: #15501 (+609)
15K20K
7:52/mi
24:25 split
Half· 13.11 mi
1:44:09
Rank: #15492 (+9)
20KHalf
7:56/mi
5:25 split
25K· 15.53 mi
2:03:39
Rank: #15252 (+240)
Half25K
8:03/mi
19:30 split
30K· 18.64 mi
2:29:26
Rank: #14868 (+384)
25K30K
8:18/mi
25:47 split
20M
2:40:54
Rank: #14708 (+160)
30K20M
8:26/mi
11:28 split
21M
2:49:37
Rank: #14477 (+231)
20M21M
8:43/mi
8:43 split
35K· 21.75 mi
2:55:40
Rank: #14419 (+58)
21M35K
8:05/mi
6:03 split
23M
3:06:07
Rank: #14280 (+139)
35K23M
8:21/mi
10:27 split
24M
3:14:20
Rank: #14186 (+94)
23M24M
8:13/mi
8:13 split
40K· 24.85 mi
3:21:30
Rank: #14098 (+88)
24M40K
8:23/mi
7:10 split
25.2M
3:24:40
Rank: #14066 (+32)
40K25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:32:47
Rank: #13969 (+97)
25.2MFinish
7:58/mi
8:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:48:38
Pace8:17 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3224:417:5724:41
7:57
-
10K
6.21 mi11:45:1449:237:5724:42
7:57
0:00
15K
9.32 mi12:10:101:14:197:5824:56
8:02
+0:05
20K
12.43 mi12:34:351:38:447:5724:25
7:52
-0:10
Half
13.11 mi12:40:001:44:097:575:25
7:56
+0:04
25K
15.53 mi12:59:302:03:397:5819:30
8:03
+0:07
30K
18.64 mi13:25:172:29:268:0125:47
8:18
+0:15
20M
20.00 mi13:36:452:40:548:0311:28
8:26
+0:08
21M
21.00 mi13:45:282:49:378:058:43
8:43
+0:17
35K
21.75 mi13:51:312:55:408:056:03
8:05
-0:38
23M
23.00 mi14:01:583:06:078:0610:27
8:21
+0:16
24M
24.00 mi14:10:113:14:208:068:13
8:13
-0:08
40K
24.85 mi14:17:213:21:308:067:10
8:23
+0:10
25.2M
25.20 mi14:20:313:24:408:073:10
9:11
+0:48
Finish
26.22 mi14:28:383:32:478:078:07
7:58
-1:13

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

7:52 /mi

Average Pace

8:07 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:54

94% of race

Time at Steady Pace

11:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:20:3224:417:5724:41
7:57
#16153
10K
6.21 mi11:45:1449:237:5724:42
7:57
#16090
15K
9.32 mi12:10:101:14:197:5824:56
8:02
#16110
20K
12.43 mi12:34:351:38:447:5724:25
7:52
#15501
Half
13.11 mi12:40:001:44:097:575:25
7:56
#15492
25K
15.53 mi12:59:302:03:397:5819:30
8:03
#15252
30K
18.64 mi13:25:172:29:268:0125:47
8:18
#14868
20M
20.00 mi13:36:452:40:548:0311:28
8:26
#14708
21M
21.00 mi13:45:282:49:378:058:43
8:43
#14477
35K
21.75 mi13:51:312:55:408:056:03
8:05
#14419
23M
23.00 mi14:01:583:06:078:0610:27
8:21
#14280
24M
24.00 mi14:10:113:14:208:068:13
8:13
#14186
40K
24.85 mi14:17:213:21:308:067:10
8:23
#14098
25.2M
25.20 mi14:20:313:24:408:073:10
9:11
#14066
Finish
26.22 mi14:28:383:32:478:078:07
7:58
#13969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi161535231523116238(Top 57%)5272(Top 43%)5272(Top 307%)
10K6.21 mi3.10 mi16090+635197+345197+3416074(Top 57%)5162(Top 42%)5162(Top 300%)
15K9.32 mi3.11 mi16110-205202-55202-516238(Top 57%)5272(Top 43%)5272(Top 307%)
20K12.43 mi3.11 mi15501+6094858+3444858+34413769(Top 48%)3968(Top 32%)3968(Top 231%)
Half13.11 mi0.68 mi15492+94858485815444(Top 54%)4844(Top 40%)4844(Top 282%)
25K15.53 mi2.42 mi15252+2404749+1094749+10914238(Top 50%)4331(Top 35%)4331(Top 252%)
30K18.64 mi3.11 mi14868+3844597+1524597+15213509(Top 48%)4110(Top 34%)4110(Top 239%)
20M20.00 mi1.36 mi14708+1604533+644533+6413415(Top 47%)4201(Top 34%)4201(Top 245%)
21M21.00 mi1.00 mi14477+2314423+1104423+11011827(Top 42%)3512(Top 29%)3512(Top 204%)
35K21.75 mi0.75 mi14419+584404+194404+1912875(Top 45%)4094(Top 33%)4094(Top 238%)
23M23.00 mi1.25 mi14280+1394374+304374+3012347(Top 43%)3930(Top 32%)3930(Top 229%)
24M24.00 mi1.00 mi14186+944358+164358+1612717(Top 45%)4172(Top 34%)4172(Top 243%)
40K24.85 mi0.85 mi14098+884333+254333+2512715(Top 45%)4289(Top 35%)4289(Top 250%)
25.2M25.20 mi0.35 mi14066+324326+74326+712877(Top 45%)4435(Top 36%)4435(Top 258%)
Finish26.22 mi1.02 mi13969+974301+254301+2512679(Top 45%)4272(Top 35%)4272(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16238

Females

5272

F40-44

5272

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16074

Females

5162

F40-44

5162

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16238

Females

5272

F40-44

5272

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13769

Females

3968

F40-44

3968

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15444

Females

4844

F40-44

4844

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14238

Females

4331

F40-44

4331

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13509

Females

4110

F40-44

4110

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13415

Females

4201

F40-44

4201

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11827

Females

3512

F40-44

3512

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12875

Females

4094

F40-44

4094

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12347

Females

3930

F40-44

3930

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12717

Females

4172

F40-44

4172

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12715

Females

4289

F40-44

4289

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12877

Females

4435

F40-44

4435

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12679

Females

4272

F40-44

4272

Passing Analysis

Category:
Athletes Passed
3074
Passed By
890
Net Change
+2184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16153
5K10K327264+63#16153#16090
10K15K201221-20#16090#16110
15K20K62213+609#16110#15501
20KHalf3829+9#15501#15492
Half25K29050+240#15492#15252
25K30K45268+384#15252#14868
30K20M21050+160#14868#14708
20M21M24918+231#14708#14477
21M35K8628+58#14477#14419
35K23M18142+139#14419#14280
23M24M12733+94#14280#14186
24M40K11325+88#14186#14098
40K25.2M5018+32#14098#14066
25.2MFinish12831+97#14066#13969
TOTALS3074890+2184
📊

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