Barbara Sheffield

Bib: 23567F

MS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:17
Rank: #19376
Start5K
27:17 | 8:47/mi
10K· 6.21 mi
54:44
Rank: #19738 (-362)
5K10K
27:27 | 8:50/mi
15K· 9.32 mi
1:22:38
Rank: #19952 (-214)
10K15K
27:54 | 8:59/mi
20K· 12.43 mi
1:50:38
Rank: #19873 (+79)
15K20K
28:00 | 9:01/mi
Half· 13.11 mi
1:56:37
Rank: #19832 (+41)
20KHalf
5:59 | 8:46/mi
25K· 15.53 mi
2:19:08
Rank: #19918 (-86)
Half25K
22:31 | 9:17/mi
30K· 18.64 mi
2:50:01
Rank: #20155 (-237)
25K30K
30:53 | 9:56/mi
20M
3:04:12
Rank: #20287 (-132)
30K20M
14:11 | 10:26/mi
21M
3:15:49
Rank: #20433 (-146)
20M21M
11:37 | 11:37/mi
35K· 21.75 mi
3:23:25
Rank: #20471 (-38)
21M35K
7:36 | 10:10/mi
23M
3:37:06
Rank: #20589 (-118)
35K23M
13:41 | 10:56/mi
24M
3:47:32
Rank: #20669 (-80)
23M24M
10:26 | 10:26/mi
40K· 24.85 mi
3:57:27
Rank: #20808 (-139)
24M40K
9:55 | 11:36/mi
25.2M
4:01:39
Rank: #20839 (-31)
40K25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:12:35
Rank: #20964 (-125)
25.2MFinish
10:56 | 10:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:37
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:15:58
Pace10:22 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4927:178:4727:17
8:47
-
10K
6.21 mi11:50:1654:448:4927:27
8:50
+0:03
15K
9.32 mi12:18:101:22:388:5227:54
8:59
+0:09
20K
12.43 mi12:46:101:50:388:5428:00
9:01
+0:02
Half
13.11 mi12:52:091:56:378:545:59
8:46
-0:15
25K
15.53 mi13:14:402:19:088:5722:31
9:17
+0:31
30K
18.64 mi13:45:332:50:019:0730:53
9:56
+0:39
20M
20.00 mi13:59:443:04:129:1314:11
10:26
+0:30
21M
21.00 mi14:11:213:15:499:1911:37
11:37
+1:11
35K
21.75 mi14:18:573:23:259:217:36
10:10
-1:27
23M
23.00 mi14:32:383:37:069:2613:41
10:56
+0:46
24M
24.00 mi14:43:043:47:329:2910:26
10:26
-0:30
40K
24.85 mi14:52:593:57:279:339:55
11:36
+1:10
25.2M
25.20 mi14:57:114:01:399:354:12
12:11
+0:35
Finish
26.22 mi15:08:074:12:359:3810:56
10:44
-1:27

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

8:46 /mi

Average Pace

9:38 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:08

55% of race

Time at Steady Pace

1:03:06

25% of race

Time at Slower Pace

50:21

20% of race

Average Pace: 9:38 /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 mi11:22:4927:178:4727:17
8:47
#19376
10K
6.21 mi11:50:1654:448:4927:27
8:50
#19738
15K
9.32 mi12:18:101:22:388:5227:54
8:59
#19952
20K
12.43 mi12:46:101:50:388:5428:00
9:01
#19873
Half
13.11 mi12:52:091:56:378:545:59
8:46
#19832
25K
15.53 mi13:14:402:19:088:5722:31
9:17
#19918
30K
18.64 mi13:45:332:50:019:0730:53
9:56
#20155
20M
20.00 mi13:59:443:04:129:1314:11
10:26
#20287
21M
21.00 mi14:11:213:15:499:1911:37
11:37
#20433
35K
21.75 mi14:18:573:23:259:217:36
10:10
#20471
23M
23.00 mi14:32:383:37:069:2613:41
10:56
#20589
24M
24.00 mi14:43:043:47:329:2910:26
10:26
#20669
40K
24.85 mi14:52:593:57:279:339:55
11:36
#20808
25.2M
25.20 mi14:57:114:01:399:354:12
12:11
#20839
Finish
26.22 mi15:08:074:12:359:3810:56
10:44
#20964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193767427742720423(Top 77%)7914(Top 69%)7914(Top 971%)
10K6.21 mi3.10 mi19738-3627618-1917618-19120124(Top 76%)7771(Top 68%)7771(Top 953%)
15K9.32 mi3.11 mi19952-2147708-907708-9020423(Top 77%)7914(Top 69%)7914(Top 971%)
20K12.43 mi3.11 mi19873+797645+637645+6319772(Top 74%)7541(Top 66%)7541(Top 925%)
Half13.11 mi0.68 mi19832+417619+267619+2619398(Top 73%)7331(Top 64%)7331(Top 900%)
25K15.53 mi2.42 mi19918-867665-467665-4620168(Top 76%)7793(Top 68%)7793(Top 956%)
30K18.64 mi3.11 mi20155-2377818-1537818-15320858(Top 78%)8262(Top 72%)8262(Top 1014%)
20M20.00 mi1.36 mi20287-1327909-917909-9121593(Top 81%)8749(Top 77%)8749(Top 1073%)
21M21.00 mi1.00 mi20433-1467989-807989-8022089(Top 83%)9044(Top 79%)9044(Top 1110%)
35K21.75 mi0.75 mi20471-388025-368025-3621685(Top 81%)8871(Top 78%)8871(Top 1088%)
23M23.00 mi1.25 mi20589-1188098-738098-7322210(Top 83%)9173(Top 80%)9173(Top 1126%)
24M24.00 mi1.00 mi20669-808160-628160-6221877(Top 82%)9036(Top 79%)9036(Top 1109%)
40K24.85 mi0.85 mi20808-1398244-848244-8423358(Top 88%)9854(Top 86%)9854(Top 1209%)
25.2M25.20 mi0.35 mi20839-318271-278271-2722813(Top 86%)9551(Top 84%)9551(Top 1172%)
Finish26.22 mi1.02 mi20964-1258348-778348-7723464(Top 88%)9888(Top 87%)9888(Top 1213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20423

Females

7914

F55-59

7914

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20124

Females

7771

F55-59

7771

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20423

Females

7914

F55-59

7914

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19772

Females

7541

F55-59

7541

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19398

Females

7331

F55-59

7331

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20168

Females

7793

F55-59

7793

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20858

Females

8262

F55-59

8262

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21593

Females

8749

F55-59

8749

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22089

Females

9044

F55-59

9044

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21685

Females

8871

F55-59

8871

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22210

Females

9173

F55-59

9173

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21877

Females

9036

F55-59

9036

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23358

Females

9854

F55-59

9854

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22813

Females

9551

F55-59

9551

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23464

Females

9888

F55-59

9888

Passing Analysis

Category:
Athletes Passed
920
Passed By
2508
Net Change
-1588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19376
5K10K174536-362#19376#19738
10K15K99313-214#19738#19952
15K20K214135+79#19952#19873
20KHalf5110+41#19873#19832
Half25K95181-86#19832#19918
25K30K85322-237#19918#20155
30K20M50182-132#20155#20287
20M21M27173-146#20287#20433
21M35K3270-38#20433#20471
35K23M36154-118#20471#20589
23M24M23103-80#20589#20669
24M40K11150-139#20669#20808
40K25.2M637-31#20808#20839
25.2MFinish17142-125#20839#20964
TOTALS9202508-1588
📊

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