Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Colleen Jacoby

Bib: 14459FAge: N/A

SC

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Colleen

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:06/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:02
3.11 mi
Rank: #9308
Start5K
22:02 | 7:06/mi
10K
44:04
6.21 mi
Rank: #9295 (+13)
5K10K
22:02 | 7:06/mi
15K
1:06:06
9.32 mi
Rank: #9226 (+69)
10K15K
22:02 | 7:06/mi
20K
1:33:00
12.43 mi
Rank: #12456 (-3230)
15K20K
26:54 | 8:40/mi
HALF
1:39:18
13.11 mi
Rank: #13260 (-804)
20KHALF
6:18 | 9:15/mi
25K
2:02:15
15.53 mi
Rank: #15516 (-2256)
HALF25K
22:57 | 9:28/mi
30K
2:34:35
18.64 mi
Rank: #17977 (-2461)
25K30K
32:20 | 10:25/mi
20M
2:49:56
20.00 mi
Rank: #18957 (-980)
30K20M
15:21 | 11:19/mi
21M
3:03:36
21.00 mi
Rank: #20051 (-1094)
20M21M
13:40 | 13:40/mi
35K
3:12:02
21.75 mi
Rank: #20435 (-384)
21M35K
8:26 | 11:17/mi
23M
3:28:51
23.00 mi
Rank: #21435 (-1000)
35K23M
16:49 | 13:27/mi
24M
3:38:24
24.00 mi
Rank: #21463 (-28)
23M24M
9:33 | 9:33/mi
40K
3:48:33
24.85 mi
Rank: #21788 (-325)
24M40K
10:09 | 11:53/mi
25.2M
3:52:43
25.20 mi
Rank: #21864 (-76)
40K25.2M
4:10 | 12:05/mi
FINISH
4:02:58
26.22 mi
Rank: #21952 (-88)
25.2MFINISH
10:15 | 10:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:18
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time2:23:40
Pace10:58 /mi
📊Positive Split: 44.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0422:027:0622:02
7:06
-
10K
6.21 mi11:12:0644:047:0622:02
7:06
0:00
15K
9.32 mi11:34:081:06:067:0622:02
7:06
0:00
20K
12.43 mi12:01:021:33:007:3026:54
8:40
+1:34
HALF
13.11 mi12:07:201:39:187:356:18
9:15
+0:35
25K
15.53 mi12:30:172:02:157:5322:57
9:28
+0:13
30K
18.64 mi13:02:372:34:358:1832:20
10:25
+0:57
20M
20.00 mi13:17:582:49:568:3015:21
11:19
+0:54
21M
21.00 mi13:31:383:03:368:4513:40
13:40
+2:21
35K
21.75 mi13:40:043:12:028:508:26
11:17
-2:23
23M
23.00 mi13:56:533:28:519:0516:49
13:27
+2:10
24M
24.00 mi14:06:263:38:249:079:33
9:33
-3:54
40K
24.85 mi14:16:353:48:339:1210:09
11:53
+2:20
25.2M
25.20 mi14:20:453:52:439:154:10
12:05
+0:12
FINISH
26.22 mi14:31:004:02:589:1710:15
10:04
-2:01

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:06 /mi

Average Pace

9:16 /mi

Slowest Pace

13:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:33:00

38% of race

Time at Steady Pace

1:21:23

33% of race

Time at Slower Pace

1:08:35

28% of race

Average Pace: 9:16 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:0422:027:0622:02
7:06
#9308
10K
6.21 mi11:12:0644:047:0622:02
7:06
#9295
15K
9.32 mi11:34:081:06:067:0622:02
7:06
#9226
20K
12.43 mi12:01:021:33:007:3026:54
8:40
#12456
HALF
13.11 mi12:07:201:39:187:356:18
9:15
#13260
25K
15.53 mi12:30:172:02:157:5322:57
9:28
#15516
30K
18.64 mi13:02:372:34:358:1832:20
10:25
#17977
20M
20.00 mi13:17:582:49:568:3015:21
11:19
#18957
21M
21.00 mi13:31:383:03:368:4513:40
13:40
#20051
35K
21.75 mi13:40:043:12:028:508:26
11:17
#20435
23M
23.00 mi13:56:533:28:519:0516:49
13:27
#21435
24M
24.00 mi14:06:263:38:249:079:33
9:33
#21463
40K
24.85 mi14:16:353:48:339:1210:09
11:53
#21788
25.2M
25.20 mi14:20:453:52:439:154:10
12:05
#21864
FINISH
26.22 mi14:31:004:02:589:1710:15
10:04
#21952
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9308155915599230(Top 32%)1587(Top 13%)1587(Top 28%)
10K6.21 mi3.10 mi9295+131551+81551+89373(Top 32%)1629(Top 13%)1629(Top 28%)
15K9.32 mi3.11 mi9226+691550+11550+19230(Top 32%)1587(Top 13%)1587(Top 28%)
20K12.43 mi3.11 mi12456-32303251-17013251-170120226(Top 70%)7760(Top 62%)7760(Top 136%)
HALF13.11 mi0.68 mi13260-8043728-4773728-47723622(Top 81%)9481(Top 75%)9481(Top 166%)
25K15.53 mi2.42 mi15516-22565083-13555083-135522915(Top 79%)9160(Top 73%)9160(Top 160%)
30K18.64 mi3.11 mi17977-24616526-14436526-144324109(Top 83%)9889(Top 79%)9889(Top 173%)
20M20.00 mi1.36 mi18957-9807095-5697095-56925424(Top 88%)10668(Top 85%)10668(Top 187%)
21M21.00 mi1.00 mi20051-10947710-6157710-61527037(Top 93%)11574(Top 92%)11574(Top 202%)
35K21.75 mi0.75 mi20435-3847922-2127922-21225720(Top 89%)10889(Top 87%)10889(Top 191%)
23M23.00 mi1.25 mi21435-10008430-5088430-50827750(Top 96%)11940(Top 95%)11940(Top 209%)
24M24.00 mi1.00 mi21463-288467-378467-3721520(Top 74%)8807(Top 70%)8807(Top 154%)
40K24.85 mi0.85 mi21788-3258657-1908657-19025687(Top 89%)10983(Top 87%)10983(Top 192%)
25.2M25.20 mi0.35 mi21864-768696-398696-3924596(Top 85%)10429(Top 83%)10429(Top 182%)
FINISH26.22 mi1.02 mi21952-888756-608756-6023999(Top 83%)10118(Top 80%)10118(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21
+97ft-345ft

Overall

9230

Females

1587

F18-39

1587

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9373

Females

1629

F18-39

1629

10K→15K

6.2 - 9.3 mi

Top 32%
×3
+67ft-78ft

Overall

9230

Females

1587

F18-39

1587

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20226

Females

7760

F18-39

7760

20K→HALF

12.4 - 13.1 mi

Top 81%
×2
+19ft-37ft

Overall

23622

Females

9481

F18-39

9481

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22915

Females

9160

F18-39

9160

25K→30K

15.5 - 18.6 mi

Top 83%
×9
+181ft-148ft

Overall

24109

Females

9889

F18-39

9889

30K→20M

18.6 - 20.0 mi

Top 88%
×5
+64ft-50ft

Overall

25424

Females

10668

F18-39

10668

20M→21M

20.0 - 21.0 mi

Top 93%
×8
+106ft-24ft

Overall

27037

Females

11574

F18-39

11574

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25720

Females

10889

F18-39

10889

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27750

Females

11940

F18-39

11940

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21520

Females

8807

F18-39

8807

24M→40K

24.0 - 24.9 mi

Top 89%
×1
+6ft-20ft

Overall

25687

Females

10983

F18-39

10983

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24596

Females

10429

F18-39

10429

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

23999

Females

10118

F18-39

10118

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
511*
Passed By
2368
Net Change
-12644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9308
5K10K213*200+13#9308#9295
10K15K180111+69#9295#9226
15K20K3200-3230#9226#12456
20KHALF1200-804#12456#13260
HALF25K6200-2256#13260#15516
25K30K11200-2461#15516#17977
30K20M8200-980#17977#18957
20M21M6200-1094#18957#20051
21M35K5200-384#20051#20435
35K23M4200-1000#20435#21435
23M24M4371-28#21435#21463
24M40K9200-325#21463#21788
40K25.2M480-76#21788#21864
25.2MFINISH18106-88#21864#21952
TOTALS511*2368-12644

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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