Erin Leaf

Bib: 21252F

WY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:10
Rank: #17055
Start5K
26:10 | 8:25/mi
10K· 6.21 mi
53:06
Rank: #18177 (-1122)
5K10K
26:56 | 8:40/mi
15K· 9.32 mi
1:21:24
Rank: #19232 (-1055)
10K15K
28:18 | 9:07/mi
20K· 12.43 mi
1:50:08
Rank: #19648 (-416)
15K20K
28:44 | 9:15/mi
Half· 13.11 mi
1:56:12
Rank: #19683 (-35)
20KHalf
6:04 | 8:54/mi
25K· 15.53 mi
2:18:23
Rank: #19667 (+16)
Half25K
22:11 | 9:09/mi
30K· 18.64 mi
2:49:52
Rank: #20117 (-450)
25K30K
31:29 | 10:08/mi
20M
3:02:50
Rank: #20008 (+109)
30K20M
12:58 | 9:33/mi
21M
3:13:41
Rank: #20042 (-34)
20M21M
10:51 | 10:51/mi
35K· 21.75 mi
3:20:52
Rank: #20049 (-7)
21M35K
7:11 | 9:36/mi
23M
3:34:17
Rank: #20187 (-138)
35K23M
13:25 | 10:43/mi
24M
3:43:48
Rank: #20145 (+42)
23M24M
9:31 | 9:31/mi
40K· 24.85 mi
3:52:07
Rank: #20114 (+31)
24M40K
8:19 | 9:44/mi
25.2M
3:55:54
Rank: #20115 (-1)
40K25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:05:39
Rank: #20106 (+9)
25.2MFinish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:09:27
Pace9:52 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0526:108:2526:10
8:25
-
10K
6.21 mi11:48:0153:068:3326:56
8:40
+0:15
15K
9.32 mi12:16:191:21:248:4428:18
9:07
+0:27
20K
12.43 mi12:45:031:50:088:5228:44
9:15
+0:08
Half
13.11 mi12:51:071:56:128:526:04
8:54
-0:21
25K
15.53 mi13:13:182:18:238:5422:11
9:09
+0:15
30K
18.64 mi13:44:472:49:529:0731:29
10:08
+0:59
20M
20.00 mi13:57:453:02:509:0812:58
9:33
-0:35
21M
21.00 mi14:08:363:13:419:1310:51
10:51
+1:18
35K
21.75 mi14:15:473:20:529:147:11
9:36
-1:15
23M
23.00 mi14:29:123:34:179:1913:25
10:43
+1:07
24M
24.00 mi14:38:433:43:489:209:31
9:31
-1:12
40K
24.85 mi14:47:023:52:079:208:19
9:44
+0:13
25.2M
25.20 mi14:50:493:55:549:223:47
10:58
+1:14
Finish
26.22 mi15:00:344:05:399:239:45
9:34
-1:24

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

8:25 /mi

Average Pace

9:23 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:39

45% of race

Time at Steady Pace

1:16:28

31% of race

Time at Slower Pace

59:32

24% of race

Average Pace: 9:22 /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 mi11:21:0526:108:2526:10
8:25
#17055
10K
6.21 mi11:48:0153:068:3326:56
8:40
#18177
15K
9.32 mi12:16:191:21:248:4428:18
9:07
#19232
20K
12.43 mi12:45:031:50:088:5228:44
9:15
#19648
Half
13.11 mi12:51:071:56:128:526:04
8:54
#19683
25K
15.53 mi13:13:182:18:238:5422:11
9:09
#19667
30K
18.64 mi13:44:472:49:529:0731:29
10:08
#20117
20M
20.00 mi13:57:453:02:509:0812:58
9:33
#20008
21M
21.00 mi14:08:363:13:419:1310:51
10:51
#20042
35K
21.75 mi14:15:473:20:529:147:11
9:36
#20049
23M
23.00 mi14:29:123:34:179:1913:25
10:43
#20187
24M
24.00 mi14:38:433:43:489:209:31
9:31
#20145
40K
24.85 mi14:47:023:52:079:208:19
9:44
#20114
25.2M
25.20 mi14:50:493:55:549:223:47
10:58
#20115
Finish
26.22 mi15:00:344:05:399:239:45
9:34
#20106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi170555969596920980(Top 79%)8223(Top 72%)8223(Top 453%)
10K6.21 mi3.10 mi18177-11226634-6656634-66519258(Top 72%)7240(Top 63%)7240(Top 398%)
15K9.32 mi3.11 mi19232-10557272-6387272-63820980(Top 79%)8223(Top 72%)8223(Top 453%)
20K12.43 mi3.11 mi19648-4167512-2407512-24020780(Top 78%)8102(Top 71%)8102(Top 446%)
Half13.11 mi0.68 mi19683-357528-167528-1619989(Top 75%)7662(Top 67%)7662(Top 422%)
25K15.53 mi2.42 mi19667+167520+87520+819625(Top 74%)7489(Top 66%)7489(Top 412%)
30K18.64 mi3.11 mi20117-4507792-2727792-27221374(Top 80%)8556(Top 75%)8556(Top 471%)
20M20.00 mi1.36 mi20008+1097749+437749+4319040(Top 72%)7323(Top 64%)7323(Top 403%)
21M21.00 mi1.00 mi20042-347770-217770-2120505(Top 77%)8193(Top 72%)8193(Top 451%)
35K21.75 mi0.75 mi20049-77784-147784-1420180(Top 76%)8037(Top 70%)8037(Top 442%)
23M23.00 mi1.25 mi20187-1387873-897873-8921795(Top 82%)8961(Top 78%)8961(Top 493%)
24M24.00 mi1.00 mi20145+427861+127861+1219286(Top 72%)7611(Top 67%)7611(Top 419%)
40K24.85 mi0.85 mi20114+317852+97852+919135(Top 72%)7562(Top 66%)7562(Top 416%)
25.2M25.20 mi0.35 mi20115-17861-97861-920410(Top 77%)8267(Top 72%)8267(Top 455%)
Finish26.22 mi1.02 mi20106+97863-27863-220368(Top 77%)8225(Top 72%)8225(Top 453%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20980

Females

8223

F45-49

8223

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19258

Females

7240

F45-49

7240

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20980

Females

8223

F45-49

8223

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20780

Females

8102

F45-49

8102

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19989

Females

7662

F45-49

7662

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19625

Females

7489

F45-49

7489

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21374

Females

8556

F45-49

8556

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19040

Females

7323

F45-49

7323

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20505

Females

8193

F45-49

8193

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20180

Females

8037

F45-49

8037

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21795

Females

8961

F45-49

8961

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19286

Females

7611

F45-49

7611

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19135

Females

7562

F45-49

7562

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20410

Females

8267

F45-49

8267

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20368

Females

8225

F45-49

8225

Passing Analysis

Category:
Athletes Passed
813
Passed By
3864
Net Change
-3051
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17055
5K10K491171-1122#17055#18177
10K15K171072-1055#18177#19232
15K20K66482-416#19232#19648
20KHalf2257-35#19648#19683
Half25K123107+16#19683#19667
25K30K62512-450#19667#20117
30K20M13930+109#20117#20008
20M21M68102-34#20008#20042
21M35K4451-7#20042#20049
35K23M36174-138#20049#20187
23M24M6624+42#20187#20145
24M40K6231+31#20145#20114
40K25.2M2122-1#20114#20115
25.2MFinish3829+9#20115#20106
TOTALS8133864-3051
📊

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