Julie Herfkens

Bib: 16134F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Division (F18-39)
#0 / 4660
Top 44%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:03
Rank: #10131
Start5K
7:25/mi
23:03 split
10K· 6.21 mi
47:08
Rank: #11191 (-1060)
5K10K
7:45/mi
24:05 split
15K· 9.32 mi
1:11:46
Rank: #11748 (-557)
10K15K
7:56/mi
24:38 split
20K· 12.43 mi
1:36:40
Rank: #11740 (+8)
15K20K
8:01/mi
24:54 split
Half· 13.11 mi
1:42:08
Rank: #11792 (-52)
20KHalf
8:01/mi
5:28 split
25K· 15.53 mi
2:02:09
Rank: #11707 (+85)
Half25K
8:15/mi
20:01 split
30K· 18.64 mi
2:28:37
Rank: #11464 (+243)
25K30K
8:31/mi
26:28 split
20M
2:40:30
Rank: #11368 (+96)
30K20M
8:45/mi
11:53 split
21M
2:49:41
Rank: #11185 (+183)
20M21M
9:11/mi
9:11 split
35K· 21.75 mi
2:56:04
Rank: #11146 (+39)
21M35K
8:32/mi
6:23 split
23M
3:06:47
Rank: #10942 (+204)
35K23M
8:34/mi
10:43 split
24M
3:15:13
Rank: #10809 (+133)
23M24M
8:26/mi
8:26 split
40K· 24.85 mi
3:22:32
Rank: #10678 (+131)
24M40K
8:33/mi
7:19 split
25.2M
3:25:44
Rank: #10611 (+67)
40K25.2M
9:17/mi
3:12 split
Finish· 26.22 mi
3:34:04
Rank: #10541 (+70)
25.2MFinish
8:11/mi
8:20 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:08
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:51:56
Pace8:32 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0623:037:2523:03
7:25
-
10K
6.21 mi11:37:1147:087:3524:05
7:45
+0:20
15K
9.32 mi12:01:491:11:467:4224:38
7:56
+0:11
20K
12.43 mi12:26:431:36:407:4724:54
8:01
+0:05
Half
13.11 mi12:32:111:42:087:475:28
8:01
0:00
25K
15.53 mi12:52:122:02:097:5220:01
8:15
+0:14
30K
18.64 mi13:18:402:28:377:5826:28
8:31
+0:16
20M
20.00 mi13:30:332:40:308:0111:53
8:45
+0:14
21M
21.00 mi13:39:442:49:418:059:11
9:11
+0:26
35K
21.75 mi13:46:072:56:048:066:23
8:32
-0:39
23M
23.00 mi13:56:503:06:478:0710:43
8:34
+0:02
24M
24.00 mi14:05:163:15:138:088:26
8:26
-0:08
40K
24.85 mi14:12:353:22:328:097:19
8:33
+0:07
25.2M
25.20 mi14:15:473:25:448:103:12
9:17
+0:44
Finish
26.22 mi14:24:073:34:048:108:20
8:11
-1:06

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

7:25 /mi

Average Pace

8:10 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:28

52% of race

Time at Steady Pace

1:19:20

37% of race

Time at Slower Pace

24:16

11% of race

Average Pace: 8:10 /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 mi11:13:0623:037:2523:03
7:25
#10131
10K
6.21 mi11:37:1147:087:3524:05
7:45
#11191
15K
9.32 mi12:01:491:11:467:4224:38
7:56
#11748
20K
12.43 mi12:26:431:36:407:4724:54
8:01
#11740
Half
13.11 mi12:32:111:42:087:475:28
8:01
#11792
25K
15.53 mi12:52:122:02:097:5220:01
8:15
#11707
30K
18.64 mi13:18:402:28:377:5826:28
8:31
#11464
20M
20.00 mi13:30:332:40:308:0111:53
8:45
#11368
21M
21.00 mi13:39:442:49:418:059:11
9:11
#11185
35K
21.75 mi13:46:072:56:048:066:23
8:32
#11146
23M
23.00 mi13:56:503:06:478:0710:43
8:34
#10942
24M
24.00 mi14:05:163:15:138:088:26
8:26
#10809
40K
24.85 mi14:12:353:22:328:097:19
8:33
#10678
25.2M
25.20 mi14:15:473:25:448:103:12
9:17
#10611
Finish
26.22 mi14:24:073:34:048:108:20
8:11
#10541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi101312082208212907(Top 51%)3750(Top 34%)3750(Top 80%)
10K6.21 mi3.10 mi11191-10602707-6252707-62512263(Top 48%)3327(Top 30%)3327(Top 71%)
15K9.32 mi3.11 mi11748-5573064-3573064-35712907(Top 51%)3750(Top 34%)3750(Top 80%)
20K12.43 mi3.11 mi11740+83077-133077-1311941(Top 47%)3285(Top 30%)3285(Top 70%)
Half13.11 mi0.68 mi11792-523111-343111-3412859(Top 50%)3788(Top 35%)3788(Top 81%)
25K15.53 mi2.42 mi11707+853098+133098+1311717(Top 46%)3346(Top 31%)3346(Top 72%)
30K18.64 mi3.11 mi11464+2433076+223076+2210759(Top 42%)3073(Top 28%)3073(Top 66%)
20M20.00 mi1.36 mi11368+963067+93067+910809(Top 42%)3370(Top 31%)3370(Top 72%)
21M21.00 mi1.00 mi11185+1833023+443023+449449(Top 37%)2925(Top 27%)2925(Top 63%)
35K21.75 mi0.75 mi11146+393049-263049-2610937(Top 43%)3705(Top 34%)3705(Top 80%)
23M23.00 mi1.25 mi10942+2043003+463003+468816(Top 35%)2782(Top 25%)2782(Top 60%)
24M24.00 mi1.00 mi10809+1332976+272976+279071(Top 36%)2980(Top 27%)2980(Top 64%)
40K24.85 mi0.85 mi10678+1312970+62970+68685(Top 34%)2917(Top 27%)2917(Top 63%)
25.2M25.20 mi0.35 mi10611+672957+132957+137869(Top 31%)2607(Top 24%)2607(Top 56%)
Finish26.22 mi1.02 mi10541+702955+22955+29669(Top 38%)3355(Top 31%)3355(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

12907

Females

3750

F18-39

3750

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12263

Females

3327

F18-39

3327

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

12907

Females

3750

F18-39

3750

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

11941

Females

3285

F18-39

3285

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12859

Females

3788

F18-39

3788

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

11717

Females

3346

F18-39

3346

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

10759

Females

3073

F18-39

3073

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

10809

Females

3370

F18-39

3370

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9449

Females

2925

F18-39

2925

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

10937

Females

3705

F18-39

3705

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

8816

Females

2782

F18-39

2782

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9071

Females

2980

F18-39

2980

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8685

Females

2917

F18-39

2917

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7869

Females

2607

F18-39

2607

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9669

Females

3355

F18-39

3355

Passing Analysis

Category:
Athletes Passed
2360*
Passed By
2769
Net Change
-410
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10131
5K10K591118-1060#10131#11191
10K15K77634-557#11191#11748
15K20K247239+8#11748#11740
20KHalf2072-52#11740#11792
Half25K258173+85#11792#11707
25K30K413170+243#11707#11464
30K20M18993+96#11464#11368
20M21M23451+183#11368#11185
21M35K10768+39#11185#11146
35K23M24541+204#11146#10942
23M24M16431+133#10942#10809
24M40K160*29+131#10809#10678
40K25.2M725+67#10678#10611
25.2MFinish11545+70#10611#10541
TOTALS2360*2769-410

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Boston Athletic Association

Boston Athletic Association

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Mika Timing