Laura Duff

Bib: 22734F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F50-54)
#0 / 1207
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16808
Start5K
26:04 | 8:23/mi
10K· 6.21 mi
51:47
Rank: #16742 (+66)
5K10K
25:43 | 8:17/mi
15K· 9.32 mi
1:17:36
Rank: #16700 (+42)
10K15K
25:49 | 8:19/mi
20K· 12.43 mi
1:43:38
Rank: #16539 (+161)
15K20K
26:02 | 8:23/mi
Half· 13.11 mi
1:49:13
Rank: #16507 (+32)
20KHalf
5:35 | 8:11/mi
25K· 15.53 mi
2:09:18
Rank: #16203 (+304)
Half25K
20:05 | 8:17/mi
30K· 18.64 mi
2:36:08
Rank: #15985 (+218)
25K30K
26:50 | 8:38/mi
20M
2:48:12
Rank: #15963 (+22)
30K20M
12:04 | 8:53/mi
21M
2:57:23
Rank: #15845 (+118)
20M21M
9:11 | 9:11/mi
35K· 21.75 mi
3:03:39
Rank: #15773 (+72)
21M35K
6:16 | 8:23/mi
23M
3:14:20
Rank: #15619 (+154)
35K23M
10:41 | 8:32/mi
24M
3:22:47
Rank: #15546 (+73)
23M24M
8:27 | 8:27/mi
40K· 24.85 mi
3:30:07
Rank: #15482 (+64)
24M40K
7:20 | 8:35/mi
25.2M
3:33:22
Rank: #15466 (+16)
40K25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:41:55
Rank: #15427 (+39)
25.2MFinish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1526:048:2326:04
8:23
-
10K
6.21 mi11:45:5851:478:2025:43
8:17
-0:06
15K
9.32 mi12:11:471:17:368:2025:49
8:19
+0:02
20K
12.43 mi12:37:491:43:388:2026:02
8:23
+0:04
Half
13.11 mi12:43:241:49:138:205:35
8:11
-0:12
25K
15.53 mi13:03:292:09:188:1920:05
8:17
+0:06
30K
18.64 mi13:30:192:36:088:2326:50
8:38
+0:21
20M
20.00 mi13:42:232:48:128:2512:04
8:53
+0:15
21M
21.00 mi13:51:342:57:238:279:11
9:11
+0:18
35K
21.75 mi13:57:503:03:398:276:16
8:23
-0:48
23M
23.00 mi14:08:313:14:208:2710:41
8:32
+0:09
24M
24.00 mi14:16:583:22:478:278:27
8:27
-0:05
40K
24.85 mi14:24:183:30:078:277:20
8:35
+0:08
25.2M
25.20 mi14:27:333:33:228:283:15
9:25
+0:50
Finish
26.22 mi14:36:063:41:558:288:33
8:23
-1:02

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

8:11 /mi

Average Pace

8:28 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:29

94% of race

Time at Steady Pace

12:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:20:1526:048:2326:04
8:23
#16808
10K
6.21 mi11:45:5851:478:2025:43
8:17
#16742
15K
9.32 mi12:11:471:17:368:2025:49
8:19
#16700
20K
12.43 mi12:37:491:43:388:2026:02
8:23
#16539
Half
13.11 mi12:43:241:49:138:205:35
8:11
#16507
25K
15.53 mi13:03:292:09:188:1920:05
8:17
#16203
30K
18.64 mi13:30:192:36:088:2326:50
8:38
#15985
20M
20.00 mi13:42:232:48:128:2512:04
8:53
#15963
21M
21.00 mi13:51:342:57:238:279:11
9:11
#15845
35K
21.75 mi13:57:503:03:398:276:16
8:23
#15773
23M
23.00 mi14:08:313:14:208:2710:41
8:32
#15619
24M
24.00 mi14:16:583:22:478:278:27
8:27
#15546
40K
24.85 mi14:24:183:30:078:277:20
8:35
#15482
25.2M
25.20 mi14:27:333:33:228:283:15
9:25
#15466
Finish
26.22 mi14:36:063:41:558:288:33
8:23
#15427
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi168085798579816597(Top 62%)5663(Top 50%)5663(Top 469%)
10K6.21 mi3.10 mi16742+665740+585740+5816777(Top 63%)5734(Top 50%)5734(Top 475%)
15K9.32 mi3.11 mi16700+425730+105730+1016597(Top 62%)5663(Top 50%)5663(Top 469%)
20K12.43 mi3.11 mi16539+1615638+925638+9216123(Top 61%)5425(Top 47%)5425(Top 449%)
Half13.11 mi0.68 mi16507+325618+205618+2015739(Top 59%)5145(Top 45%)5145(Top 426%)
25K15.53 mi2.42 mi16203+3045455+1635455+16314866(Top 56%)4748(Top 42%)4748(Top 393%)
30K18.64 mi3.11 mi15985+2185364+915364+9115155(Top 57%)5034(Top 44%)5034(Top 417%)
20M20.00 mi1.36 mi15963+225374-105374-1015902(Top 60%)5509(Top 48%)5509(Top 456%)
21M21.00 mi1.00 mi15845+1185326+485326+4814420(Top 54%)4725(Top 41%)4725(Top 391%)
35K21.75 mi0.75 mi15773+725299+275299+2714615(Top 55%)4897(Top 43%)4897(Top 406%)
23M23.00 mi1.25 mi15619+1545237+625237+6213462(Top 51%)4325(Top 38%)4325(Top 358%)
24M24.00 mi1.00 mi15546+735210+275210+2714211(Top 53%)4797(Top 42%)4797(Top 397%)
40K24.85 mi0.85 mi15482+645181+295181+2913849(Top 52%)4662(Top 41%)4662(Top 386%)
25.2M25.20 mi0.35 mi15466+165173+85173+814872(Top 56%)5230(Top 46%)5230(Top 433%)
Finish26.22 mi1.02 mi15427+395164+95164+914701(Top 55%)5098(Top 45%)5098(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16597

Females

5663

F50-54

5663

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16777

Females

5734

F50-54

5734

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16597

Females

5663

F50-54

5663

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16123

Females

5425

F50-54

5425

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15739

Females

5145

F50-54

5145

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14866

Females

4748

F50-54

4748

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15155

Females

5034

F50-54

5034

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15902

Females

5509

F50-54

5509

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14420

Females

4725

F50-54

4725

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14615

Females

4897

F50-54

4897

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13462

Females

4325

F50-54

4325

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14211

Females

4797

F50-54

4797

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13849

Females

4662

F50-54

4662

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14872

Females

5230

F50-54

5230

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14701

Females

5098

F50-54

5098

Passing Analysis

Category:
Athletes Passed
2304
Passed By
923
Net Change
+1381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16808
5K10K337271+66#16808#16742
10K15K228186+42#16742#16700
15K20K25089+161#16700#16539
20KHalf4816+32#16539#16507
Half25K33228+304#16507#16203
25K30K28466+218#16203#15985
30K20M9876+22#15985#15963
20M21M15032+118#15963#15845
21M35K9220+72#15845#15773
35K23M1628+154#15773#15619
23M24M10835+73#15619#15546
24M40K7915+64#15546#15482
40K25.2M4327+16#15482#15466
25.2MFinish9354+39#15466#15427
TOTALS2304923+1381
📊

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