Justine Briggs

Bib: 17462F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 18%
Masters (Masters Women)
#0 / 6263
Top 8%
Division (F50-54)
#0 / 1187
Top 3%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #11883
Start5K
7:39/mi
23:45 split
10K· 6.21 mi
47:26
Rank: #11520 (+363)
5K10K
7:37/mi
23:41 split
15K· 9.32 mi
1:11:13
Rank: #11276 (+244)
10K15K
7:39/mi
23:47 split
20K· 12.43 mi
1:35:23
Rank: #10992 (+284)
15K20K
7:47/mi
24:10 split
Half· 13.11 mi
1:40:40
Rank: #10986 (+6)
20KHalf
7:45/mi
5:17 split
25K· 15.53 mi
1:59:53
Rank: #10665 (+321)
Half25K
7:56/mi
19:13 split
30K· 18.64 mi
2:25:10
Rank: #10150 (+515)
25K30K
8:08/mi
25:17 split
20M
2:36:18
Rank: #9896 (+254)
30K20M
8:12/mi
11:08 split
21M
2:45:07
Rank: #9678 (+218)
20M21M
8:49/mi
8:49 split
35K· 21.75 mi
2:50:59
Rank: #9500 (+178)
21M35K
7:51/mi
5:52 split
23M
3:01:05
Rank: #9206 (+294)
35K23M
8:04/mi
10:06 split
24M
3:08:52
Rank: #8981 (+225)
23M24M
7:47/mi
7:47 split
40K· 24.85 mi
3:15:30
Rank: #8735 (+246)
24M40K
7:45/mi
6:38 split
25.2M
3:18:30
Rank: #8629 (+106)
40K25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:26:17
Rank: #8485 (+144)
25.2MFinish
7:38/mi
7:47 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3723:457:3923:45
7:39
-
10K
6.21 mi11:38:1847:267:3823:41
7:37
-0:02
15K
9.32 mi12:02:051:11:137:3823:47
7:39
+0:02
20K
12.43 mi12:26:151:35:237:4124:10
7:47
+0:08
Half
13.11 mi12:31:321:40:407:415:17
7:45
-0:02
25K
15.53 mi12:50:451:59:537:4319:13
7:56
+0:11
30K
18.64 mi13:16:022:25:107:4725:17
8:08
+0:12
20M
20.00 mi13:27:102:36:187:4911:08
8:12
+0:04
21M
21.00 mi13:35:592:45:077:528:49
8:49
+0:37
35K
21.75 mi13:41:512:50:597:525:52
7:51
-0:58
23M
23.00 mi13:51:573:01:057:5210:06
8:04
+0:13
24M
24.00 mi13:59:443:08:527:527:47
7:47
-0:17
40K
24.85 mi14:06:223:15:307:526:38
7:45
-0:02
25.2M
25.20 mi14:09:223:18:307:533:00
8:42
+0:57
Finish
26.22 mi14:17:093:26:177:527:47
7:38
-1:04

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

7:37 /mi

Average Pace

7:52 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:28

94% of race

Time at Steady Pace

11:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi11:14:3723:457:3923:45
7:39
#11883
10K
6.21 mi11:38:1847:267:3823:41
7:37
#11520
15K
9.32 mi12:02:051:11:137:3823:47
7:39
#11276
20K
12.43 mi12:26:151:35:237:4124:10
7:47
#10992
Half
13.11 mi12:31:321:40:407:415:17
7:45
#10986
25K
15.53 mi12:50:451:59:537:4319:13
7:56
#10665
30K
18.64 mi13:16:022:25:107:4725:17
8:08
#10150
20M
20.00 mi13:27:102:36:187:4911:08
8:12
#9896
21M
21.00 mi13:35:592:45:077:528:49
8:49
#9678
35K
21.75 mi13:41:512:50:597:525:52
7:51
#9500
23M
23.00 mi13:51:573:01:057:5210:06
8:04
#9206
24M
24.00 mi13:59:443:08:527:527:47
7:47
#8981
40K
24.85 mi14:06:223:15:307:526:38
7:45
#8735
25.2M
25.20 mi14:09:223:18:307:533:00
8:42
#8629
Finish
26.22 mi14:17:093:26:177:527:47
7:38
#8485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi118833059305910864(Top 43%)2612(Top 24%)2612(Top 220%)
10K6.21 mi3.10 mi11520+3632890+1692890+16911240(Top 44%)2781(Top 25%)2781(Top 234%)
15K9.32 mi3.11 mi11276+2442787+1032787+10310864(Top 43%)2612(Top 24%)2612(Top 220%)
20K12.43 mi3.11 mi10992+2842659+1282659+12810283(Top 40%)2474(Top 23%)2474(Top 208%)
Half13.11 mi0.68 mi10986+62662-32662-310922(Top 43%)2742(Top 25%)2742(Top 231%)
25K15.53 mi2.42 mi10665+3212557+1052557+1059716(Top 38%)2341(Top 21%)2341(Top 197%)
30K18.64 mi3.11 mi10150+5152396+1612396+1618656(Top 34%)2047(Top 19%)2047(Top 172%)
20M20.00 mi1.36 mi9896+2542318+782318+787812(Top 31%)1895(Top 17%)1895(Top 160%)
21M21.00 mi1.00 mi9678+2182262+562262+567715(Top 30%)2042(Top 19%)2042(Top 172%)
35K21.75 mi0.75 mi9500+1782216+462216+466862(Top 27%)1686(Top 15%)1686(Top 142%)
23M23.00 mi1.25 mi9206+2942135+812135+816107(Top 24%)1498(Top 14%)1498(Top 126%)
24M24.00 mi1.00 mi8981+2252068+672068+675495(Top 22%)1308(Top 12%)1308(Top 110%)
40K24.85 mi0.85 mi8735+2461997+711997+714613(Top 18%)1041(Top 10%)1041(Top 88%)
25.2M25.20 mi0.35 mi8629+1061984+131984+135319(Top 21%)1422(Top 13%)1422(Top 120%)
Finish26.22 mi1.02 mi8485+1441956+281956+286402(Top 25%)1831(Top 17%)1831(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

10864

Females

2612

F50-54

2612

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11240

Females

2781

F50-54

2781

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

10864

Females

2612

F50-54

2612

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10283

Females

2474

F50-54

2474

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

10922

Females

2742

F50-54

2742

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9716

Females

2341

F50-54

2341

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8656

Females

2047

F50-54

2047

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

7812

Females

1895

F50-54

1895

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

7715

Females

2042

F50-54

2042

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6862

Females

1686

F50-54

1686

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6107

Females

1498

F50-54

1498

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5495

Females

1308

F50-54

1308

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4613

Females

1041

F50-54

1041

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5319

Females

1422

F50-54

1422

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6402

Females

1831

F50-54

1831

Passing Analysis

Category:
Athletes Passed
3984
Passed By
586
Net Change
+3398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11883
5K10K487124+363#11883#11520
10K15K347103+244#11520#11276
15K20K36480+284#11276#10992
20KHalf4135+6#10992#10986
Half25K39069+321#10986#10665
25K30K57459+515#10665#10150
30K20M27723+254#10150#9896
20M21M25436+218#9896#9678
21M35K18911+178#9678#9500
35K23M30814+294#9500#9206
23M24M2294+225#9206#8981
24M40K2482+246#8981#8735
40K25.2M1082+106#8735#8629
25.2MFinish16824+144#8629#8485
TOTALS3984586+3398
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing