Amber Rollack

Bib: 20424F

SK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F40-44)
#0 / 1878
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:53
Rank: #16364
Start5K
8:20/mi
25:53 split
10K· 6.21 mi
51:09
Rank: #16056 (+308)
5K10K
8:08/mi
25:16 split
15K· 9.32 mi
1:16:21
Rank: #15758 (+298)
10K15K
8:07/mi
25:12 split
20K· 12.43 mi
1:42:13
Rank: #15749 (+9)
15K20K
8:20/mi
25:52 split
Half· 13.11 mi
1:47:48
Rank: #15741 (+8)
20KHalf
8:11/mi
5:35 split
25K· 15.53 mi
2:08:13
Rank: #15715 (+26)
Half25K
8:25/mi
20:25 split
30K· 18.64 mi
2:34:54
Rank: #15549 (+166)
25K30K
8:35/mi
26:41 split
20M
2:46:31
Rank: #15418 (+131)
30K20M
8:33/mi
11:37 split
21M
2:55:23
Rank: #15221 (+197)
20M21M
8:52/mi
8:52 split
35K· 21.75 mi
3:01:32
Rank: #15157 (+64)
21M35K
8:13/mi
6:09 split
23M
3:12:13
Rank: #15032 (+125)
35K23M
8:32/mi
10:41 split
24M
3:20:28
Rank: #14916 (+116)
23M24M
8:15/mi
8:15 split
40K· 24.85 mi
3:27:42
Rank: #14824 (+92)
24M40K
8:28/mi
7:14 split
25.2M
3:30:51
Rank: #14783 (+41)
40K25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:38:53
Rank: #14658 (+125)
25.2MFinish
7:53/mi
8:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:48
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3725:538:2025:53
8:20
-
10K
6.21 mi11:43:5351:098:1425:16
8:08
-0:12
15K
9.32 mi12:09:051:16:218:1125:12
8:07
-0:01
20K
12.43 mi12:34:571:42:138:1425:52
8:20
+0:13
Half
13.11 mi12:40:321:47:488:135:35
8:11
-0:09
25K
15.53 mi13:00:572:08:138:1520:25
8:25
+0:14
30K
18.64 mi13:27:382:34:548:1926:41
8:35
+0:10
20M
20.00 mi13:39:152:46:318:2011:37
8:33
-0:02
21M
21.00 mi13:48:072:55:238:218:52
8:52
+0:19
35K
21.75 mi13:54:163:01:328:216:09
8:13
-0:39
23M
23.00 mi14:04:573:12:138:2110:41
8:32
+0:19
24M
24.00 mi14:13:123:20:288:218:15
8:15
-0:17
40K
24.85 mi14:20:263:27:428:217:14
8:28
+0:13
25.2M
25.20 mi14:23:353:30:518:223:09
9:08
+0:40
Finish
26.22 mi14:31:373:38:538:218:02
7:53
-1:15

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

7:53 /mi

Average Pace

8:21 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:52

95% of race

Time at Steady Pace

12:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:3725:538:2025:53
8:20
#16364
10K
6.21 mi11:43:5351:098:1425:16
8:08
#16056
15K
9.32 mi12:09:051:16:218:1125:12
8:07
#15758
20K
12.43 mi12:34:571:42:138:1425:52
8:20
#15749
Half
13.11 mi12:40:321:47:488:135:35
8:11
#15741
25K
15.53 mi13:00:572:08:138:1520:25
8:25
#15715
30K
18.64 mi13:27:382:34:548:1926:41
8:35
#15549
20M
20.00 mi13:39:152:46:318:2011:37
8:33
#15418
21M
21.00 mi13:48:072:55:238:218:52
8:52
#15221
35K
21.75 mi13:54:163:01:328:216:09
8:13
#15157
23M
23.00 mi14:04:573:12:138:2110:41
8:32
#15032
24M
24.00 mi14:13:123:20:288:218:15
8:15
#14916
40K
24.85 mi14:20:263:27:428:217:14
8:28
#14824
25.2M
25.20 mi14:23:353:30:518:223:09
9:08
#14783
Finish
26.22 mi14:31:373:38:538:218:02
7:53
#14658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi163645507550715250(Top 57%)4824(Top 42%)4824(Top 257%)
10K6.21 mi3.10 mi16056+3085314+1935314+19315767(Top 59%)5122(Top 45%)5122(Top 273%)
15K9.32 mi3.11 mi15758+2985129+1855129+18515250(Top 57%)4824(Top 42%)4824(Top 257%)
20K12.43 mi3.11 mi15749+95147-185147-1815768(Top 59%)5203(Top 46%)5203(Top 277%)
Half13.11 mi0.68 mi15741+85148-15148-115706(Top 59%)5112(Top 45%)5112(Top 272%)
25K15.53 mi2.42 mi15715+265159-115159-1115718(Top 59%)5268(Top 46%)5268(Top 281%)
30K18.64 mi3.11 mi15549+1665098+615098+6114860(Top 56%)4851(Top 42%)4851(Top 258%)
20M20.00 mi1.36 mi15418+1315042+565042+5613947(Top 52%)4381(Top 38%)4381(Top 233%)
21M21.00 mi1.00 mi15221+1974942+1004942+10012699(Top 48%)3795(Top 33%)3795(Top 202%)
35K21.75 mi0.75 mi15157+644917+254917+2513639(Top 51%)4374(Top 38%)4374(Top 233%)
23M23.00 mi1.25 mi15032+1254861+564861+5613454(Top 51%)4317(Top 38%)4317(Top 230%)
24M24.00 mi1.00 mi14916+1164802+594802+5912978(Top 49%)4130(Top 36%)4130(Top 220%)
40K24.85 mi0.85 mi14824+924778+244778+2413113(Top 49%)4269(Top 37%)4269(Top 227%)
25.2M25.20 mi0.35 mi14783+414763+154763+1513342(Top 50%)4413(Top 39%)4413(Top 235%)
Finish26.22 mi1.02 mi14658+1254699+644699+6411335(Top 43%)3373(Top 30%)3373(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15250

Females

4824

F40-44

4824

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15767

Females

5122

F40-44

5122

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15250

Females

4824

F40-44

4824

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15768

Females

5203

F40-44

5203

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15706

Females

5112

F40-44

5112

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15718

Females

5268

F40-44

5268

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14860

Females

4851

F40-44

4851

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13947

Females

4381

F40-44

4381

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12699

Females

3795

F40-44

3795

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13639

Females

4374

F40-44

4374

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13454

Females

4317

F40-44

4317

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12978

Females

4130

F40-44

4130

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13113

Females

4269

F40-44

4269

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13342

Females

4413

F40-44

4413

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11335

Females

3373

F40-44

3373

Passing Analysis

Category:
Athletes Passed
2479
Passed By
773
Net Change
+1706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16364
5K10K468160+308#16364#16056
10K15K38385+298#16056#15758
15K20K184175+9#15758#15749
20KHalf3224+8#15749#15741
Half25K141115+26#15741#15715
25K30K26296+166#15715#15549
30K20M15726+131#15549#15418
20M21M2058+197#15418#15221
21M35K7612+64#15221#15157
35K23M14621+125#15157#15032
23M24M12610+116#15032#14916
24M40K11523+92#14916#14824
40K25.2M498+41#14824#14783
25.2MFinish13510+125#14783#14658
TOTALS2479773+1706
📊

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