Erin Sakai

Bib: 12337F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Masters (Masters Women)
#0 / 6539
Top 11%
Division (F40-44)
#0 / 1878
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:41
Rank: #13617
Start5K
24:41 | 7:57/mi
10K· 6.21 mi
48:30
Rank: #12753 (+864)
5K10K
23:49 | 7:40/mi
15K· 9.32 mi
1:12:36
Rank: #12577 (+176)
10K15K
24:06 | 7:45/mi
20K· 12.43 mi
1:36:42
Rank: #12226 (+351)
15K20K
24:06 | 7:45/mi
Half· 13.11 mi
1:41:55
Rank: #12182 (+44)
20KHalf
5:13 | 7:39/mi
25K· 15.53 mi
2:00:51
Rank: #12004 (+178)
Half25K
18:56 | 7:49/mi
30K· 18.64 mi
2:25:32
Rank: #11679 (+325)
25K30K
24:41 | 7:57/mi
20M
2:36:32
Rank: #11596 (+83)
30K20M
11:00 | 8:06/mi
21M
2:44:57
Rank: #11471 (+125)
20M21M
8:25 | 8:25/mi
35K· 21.75 mi
2:50:52
Rank: #11459 (+12)
21M35K
5:55 | 7:55/mi
23M
3:00:58
Rank: #11374 (+85)
35K23M
10:06 | 8:04/mi
24M
3:08:53
Rank: #11325 (+49)
23M24M
7:55 | 7:55/mi
40K· 24.85 mi
3:15:47
Rank: #11271 (+54)
24M40K
6:54 | 8:04/mi
25.2M
3:18:45
Rank: #11235 (+36)
40K25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:26:31
Rank: #11135 (+100)
25.2MFinish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:55
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2624:417:5724:41
7:57
-
10K
6.21 mi11:39:1548:307:4823:49
7:40
-0:17
15K
9.32 mi12:03:211:12:367:4724:06
7:45
+0:05
20K
12.43 mi12:27:271:36:427:4724:06
7:45
0:00
Half
13.11 mi12:32:401:41:557:465:13
7:39
-0:06
25K
15.53 mi12:51:362:00:517:4718:56
7:49
+0:10
30K
18.64 mi13:16:172:25:327:4824:41
7:57
+0:08
20M
20.00 mi13:27:172:36:327:5011:00
8:06
+0:09
21M
21.00 mi13:35:422:44:577:518:25
8:25
+0:19
35K
21.75 mi13:41:372:50:527:515:55
7:55
-0:30
23M
23.00 mi13:51:433:00:587:5210:06
8:04
+0:09
24M
24.00 mi13:59:383:08:537:527:55
7:55
-0:09
40K
24.85 mi14:06:323:15:477:536:54
8:04
+0:09
25.2M
25.20 mi14:09:303:18:457:532:58
8:36
+0:32
Finish
26.22 mi14:17:163:26:317:537:46
7:37
-0:59

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

7:37 /mi

Average Pace

7:53 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:08

94% of race

Time at Steady Pace

11:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:15:2624:417:5724:41
7:57
#13617
10K
6.21 mi11:39:1548:307:4823:49
7:40
#12753
15K
9.32 mi12:03:211:12:367:4724:06
7:45
#12577
20K
12.43 mi12:27:271:36:427:4724:06
7:45
#12226
Half
13.11 mi12:32:401:41:557:465:13
7:39
#12182
25K
15.53 mi12:51:362:00:517:4718:56
7:49
#12004
30K
18.64 mi13:16:172:25:327:4824:41
7:57
#11679
20M
20.00 mi13:27:172:36:327:5011:00
8:06
#11596
21M
21.00 mi13:35:422:44:577:518:25
8:25
#11471
35K
21.75 mi13:41:372:50:527:515:55
7:55
#11459
23M
23.00 mi13:51:433:00:587:5210:06
8:04
#11374
24M
24.00 mi13:59:383:08:537:527:55
7:55
#11325
40K
24.85 mi14:06:323:15:477:536:54
8:04
#11271
25.2M
25.20 mi14:09:303:18:457:532:58
8:36
#11235
Finish
26.22 mi14:17:163:26:317:537:46
7:37
#11135
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi136173791379112373(Top 46%)3115(Top 27%)3115(Top 166%)
10K6.21 mi3.10 mi12753+8643285+5063285+50611954(Top 45%)2841(Top 25%)2841(Top 151%)
15K9.32 mi3.11 mi12577+1763216+693216+6912373(Top 46%)3115(Top 27%)3115(Top 166%)
20K12.43 mi3.11 mi12226+3513048+1683048+16811379(Top 43%)2617(Top 23%)2617(Top 139%)
Half13.11 mi0.68 mi12182+443027+213027+2111467(Top 43%)2608(Top 23%)2608(Top 139%)
25K15.53 mi2.42 mi12004+1782943+842943+8411173(Top 42%)2575(Top 23%)2575(Top 137%)
30K18.64 mi3.11 mi11679+3252795+1482795+14810485(Top 39%)2383(Top 21%)2383(Top 127%)
20M20.00 mi1.36 mi11596+832766+292766+2911001(Top 41%)2734(Top 24%)2734(Top 146%)
21M21.00 mi1.00 mi11471+1252710+562710+569994(Top 38%)2386(Top 21%)2386(Top 127%)
35K21.75 mi0.75 mi11459+122722-122722-1211480(Top 43%)3120(Top 27%)3120(Top 166%)
23M23.00 mi1.25 mi11374+852703+192703+1910256(Top 39%)2627(Top 23%)2627(Top 140%)
24M24.00 mi1.00 mi11325+492692+112692+1110676(Top 40%)2920(Top 26%)2920(Top 155%)
40K24.85 mi0.85 mi11271+542693-12693-110538(Top 40%)2900(Top 25%)2900(Top 154%)
25.2M25.20 mi0.35 mi11235+362687+62687+610220(Top 38%)2800(Top 25%)2800(Top 149%)
Finish26.22 mi1.02 mi11135+1002657+302657+309450(Top 35%)2455(Top 21%)2455(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12373

Females

3115

F40-44

3115

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11954

Females

2841

F40-44

2841

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12373

Females

3115

F40-44

3115

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11379

Females

2617

F40-44

2617

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11467

Females

2608

F40-44

2608

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11173

Females

2575

F40-44

2575

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10485

Females

2383

F40-44

2383

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11001

Females

2734

F40-44

2734

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9994

Females

2386

F40-44

2386

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11480

Females

3120

F40-44

3120

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10256

Females

2627

F40-44

2627

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10676

Females

2920

F40-44

2920

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10538

Females

2900

F40-44

2900

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10220

Females

2800

F40-44

2800

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9450

Females

2455

F40-44

2455

Passing Analysis

Category:
Athletes Passed
3112
Passed By
630
Net Change
+2482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13617
5K10K93167+864#13617#12753
10K15K301125+176#12753#12577
15K20K39140+351#12577#12226
20KHalf5814+44#12226#12182
Half25K22547+178#12182#12004
25K30K36237+325#12004#11679
30K20M13754+83#11679#11596
20M21M15934+125#11596#11471
21M35K4937+12#11471#11459
35K23M13853+85#11459#11374
23M24M8738+49#11374#11325
24M40K8834+54#11325#11271
40K25.2M5317+36#11271#11235
25.2MFinish13333+100#11235#11135
TOTALS3112630+2482
📊

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