Joanna Duncan

Bib: 21644F

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:59
Rank: #21225
Start5K
28:59 | 9:20/mi
10K· 6.21 mi
59:25
Rank: #21711 (-486)
5K10K
30:26 | 9:48/mi
15K· 9.32 mi
1:31:13
Rank: #21969 (-258)
10K15K
31:48 | 10:14/mi
20K· 12.43 mi
2:04:33
Rank: #22011 (-42)
15K20K
33:20 | 10:44/mi
Half· 13.11 mi
2:12:18
Rank: #22162 (-151)
20KHalf
7:45 | 11:22/mi
25K· 15.53 mi
2:41:54
Rank: #22462 (-300)
Half25K
29:36 | 12:12/mi
30K· 18.64 mi
3:19:37
Rank: #22404 (+58)
25K30K
37:43 | 12:08/mi
20M
3:36:10
Rank: #22347 (+57)
30K20M
16:33 | 12:11/mi
21M
3:48:21
Rank: #22178 (+169)
20M21M
12:11 | 12:11/mi
35K· 21.75 mi
3:57:10
Rank: #22155 (+23)
21M35K
8:49 | 11:47/mi
23M
4:12:43
Rank: #22136 (+19)
35K23M
15:33 | 12:25/mi
24M
4:26:32
Rank: #22259 (-123)
23M24M
13:49 | 13:49/mi
40K· 24.85 mi
4:40:44
Rank: #22536 (-277)
24M40K
14:12 | 16:36/mi
25.2M
4:52:35
Rank: #23033 (-497)
40K25.2M
11:51 | 34:22/mi
Finish· 26.22 mi
5:13:38
Rank: #23531 (-498)
25.2MFinish
21:03 | 20:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:18
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time3:01:20
Pace13:50 /mi
📊Positive Split: 37.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0628:599:2028:59
9:20
-
10K
6.21 mi11:56:3259:259:3430:26
9:48
+0:28
15K
9.32 mi12:28:201:31:139:4731:48
10:14
+0:26
20K
12.43 mi13:01:402:04:3310:0133:20
10:44
+0:30
Half
13.11 mi13:09:252:12:1810:067:45
11:22
+0:38
25K
15.53 mi13:39:012:41:5410:2529:36
12:12
+0:50
30K
18.64 mi14:16:443:19:3710:4337:43
12:08
-0:04
20M
20.00 mi14:33:173:36:1010:4916:33
12:11
+0:03
21M
21.00 mi14:45:283:48:2110:5212:11
12:11
0:00
35K
21.75 mi14:54:173:57:1010:548:49
11:47
-0:24
23M
23.00 mi15:09:504:12:4310:5915:33
12:25
+0:38
24M
24.00 mi15:23:394:26:3211:0613:49
13:49
+1:24
40K
24.85 mi15:37:514:40:4411:1814:12
16:36
+2:47
25.2M
25.20 mi15:49:424:52:3511:3711:51
34:22
+17:46
Finish
26.22 mi16:10:455:13:3811:5821:03
20:39
-13:43

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

9:20 /mi

Average Pace

11:58 /mi

Slowest Pace

34:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:26:32

85% of race

Time at Slower Pace

47:06

15% of race

Average Pace: 11:58 /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 mi11:26:0628:599:2028:59
9:20
#21225
10K
6.21 mi11:56:3259:259:3430:26
9:48
#21711
15K
9.32 mi12:28:201:31:139:4731:48
10:14
#21969
20K
12.43 mi13:01:402:04:3310:0133:20
10:44
#22011
Half
13.11 mi13:09:252:12:1810:067:45
11:22
#22162
25K
15.53 mi13:39:012:41:5410:2529:36
12:12
#22462
30K
18.64 mi14:16:443:19:3710:4337:43
12:08
#22404
20M
20.00 mi14:33:173:36:1010:4916:33
12:11
#22347
21M
21.00 mi14:45:283:48:2110:5212:11
12:11
#22178
35K
21.75 mi14:54:173:57:1010:548:49
11:47
#22155
23M
23.00 mi15:09:504:12:4310:5915:33
12:25
#22136
24M
24.00 mi15:23:394:26:3211:0613:49
13:49
#22259
40K
24.85 mi15:37:514:40:4411:1814:12
16:36
#22536
25.2M
25.20 mi15:49:424:52:3511:3711:51
34:22
#23033
Finish
26.22 mi16:10:455:13:3811:5821:03
20:39
#23531
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi212258529852922415(Top 88%)9103(Top 83%)9103(Top 767%)
10K6.21 mi3.10 mi21711-4868757-2288757-22822092(Top 86%)8969(Top 82%)8969(Top 756%)
15K9.32 mi3.11 mi21969-2588883-1268883-12622415(Top 88%)9103(Top 83%)9103(Top 767%)
20K12.43 mi3.11 mi22011-428912-298912-2922143(Top 87%)8987(Top 82%)8987(Top 757%)
Half13.11 mi0.68 mi22162-1518989-778989-7723965(Top 94%)10032(Top 92%)10032(Top 845%)
25K15.53 mi2.42 mi22462-3009150-1619150-16123421(Top 92%)9769(Top 89%)9769(Top 823%)
30K18.64 mi3.11 mi22404+589175-259175-2522189(Top 87%)9247(Top 85%)9247(Top 779%)
20M20.00 mi1.36 mi22347+579161+149161+1421666(Top 85%)9096(Top 83%)9096(Top 766%)
21M21.00 mi1.00 mi22178+1699094+679094+6719202(Top 75%)7917(Top 72%)7917(Top 667%)
35K21.75 mi0.75 mi22155+239096-29096-221426(Top 84%)9064(Top 83%)9064(Top 764%)
23M23.00 mi1.25 mi22136+199106-109106-1021555(Top 84%)9154(Top 84%)9154(Top 771%)
24M24.00 mi1.00 mi22259-1239188-829188-8224002(Top 94%)10350(Top 95%)10350(Top 872%)
40K24.85 mi0.85 mi22536-2779351-1639351-16325148(Top 98%)10815(Top 99%)10815(Top 911%)
25.2M25.20 mi0.35 mi23033-4979602-2519602-25125535(Top 100%)10919(Top 100%)10919(Top 920%)
Finish26.22 mi1.02 mi23531-4989861-2599861-25925510(Top 100%)10914(Top 100%)10914(Top 919%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22415

Females

9103

F50-54

9103

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22092

Females

8969

F50-54

8969

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22415

Females

9103

F50-54

9103

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

22143

Females

8987

F50-54

8987

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

23965

Females

10032

F50-54

10032

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

23421

Females

9769

F50-54

9769

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

22189

Females

9247

F50-54

9247

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

21666

Females

9096

F50-54

9096

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19202

Females

7917

F50-54

7917

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

21426

Females

9064

F50-54

9064

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

21555

Females

9154

F50-54

9154

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

24002

Females

10350

F50-54

10350

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25148

Females

10815

F50-54

10815

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25535

Females

10919

F50-54

10919

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

25510

Females

10914

F50-54

10914

Passing Analysis

Category:
Athletes Passed
1051
Passed By
3357
Net Change
-2306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21225
5K10K87573-486#21225#21711
10K15K111369-258#21711#21969
15K20K165207-42#21969#22011
20KHalf7158-151#22011#22162
Half25K45345-300#22162#22462
25K30K183125+58#22462#22404
30K20M10346+57#22404#22347
20M21M1756+169#22347#22178
21M35K5431+23#22178#22155
35K23M7758+19#22155#22136
23M24M28151-123#22136#22259
24M40K11288-277#22259#22536
40K25.2M0497-497#22536#23033
25.2MFinish5503-498#23033#23531
TOTALS10513357-2306
📊

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