Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sara Cornelius

Bib: 19077FAge: N/A

OK

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 43%
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

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
26:01
3.11 mi
Rank: #19367
Start5K
26:01 | 8:23/mi
10K
51:33
6.21 mi
Rank: #18997 (+370)
5K10K
25:32 | 8:14/mi
15K
1:17:10
9.32 mi
Rank: #18890 (+107)
10K15K
25:37 | 8:15/mi
20K
1:42:59
12.43 mi
Rank: #18687 (+203)
15K20K
25:49 | 8:19/mi
HALF
1:48:35
13.11 mi
Rank: #18669 (+18)
20KHALF
5:36 | 8:13/mi
25K
2:08:42
15.53 mi
Rank: #18440 (+229)
HALF25K
20:07 | 8:18/mi
30K
2:35:46
18.64 mi
Rank: #18371 (+69)
25K30K
27:04 | 8:43/mi
20M
2:47:33
20.00 mi
Rank: #18259 (+112)
30K20M
11:47 | 8:41/mi
21M
2:57:07
21.00 mi
Rank: #18277 (-18)
20M21M
9:34 | 9:34/mi
35K
3:03:23
21.75 mi
Rank: #18225 (+52)
21M35K
6:16 | 8:23/mi
23M
3:14:05
23.00 mi
Rank: #18080 (+145)
35K23M
10:42 | 8:34/mi
24M
3:22:39
24.00 mi
Rank: #18032 (+48)
23M24M
8:34 | 8:34/mi
40K
3:30:25
24.85 mi
Rank: #18059 (-27)
24M40K
7:46 | 9:06/mi
25.2M
3:34:05
25.20 mi
Rank: #18142 (-83)
40K25.2M
3:40 | 10:38/mi
FINISH
3:42:44
26.22 mi
Rank: #18125 (+17)
25.2MFINISH
8:39 | 8:30/mi
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:35
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:54:09
Pace8:43 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:1226:018:2326:01
8:23
-
10K
6.21 mi11:34:4451:338:1825:32
8:14
-0:09
15K
9.32 mi12:00:211:17:108:1725:37
8:15
+0:01
20K
12.43 mi12:26:101:42:598:1825:49
8:19
+0:04
HALF
13.11 mi12:31:461:48:358:175:36
8:13
-0:06
25K
15.53 mi12:51:532:08:428:1820:07
8:18
+0:05
30K
18.64 mi13:18:572:35:468:2227:04
8:43
+0:25
20M
20.00 mi13:30:442:47:338:2311:47
8:41
-0:02
21M
21.00 mi13:40:182:57:078:279:34
9:34
+0:53
35K
21.75 mi13:46:343:03:238:266:16
8:23
-1:11
23M
23.00 mi13:57:163:14:058:2710:42
8:34
+0:11
24M
24.00 mi14:05:503:22:398:278:34
8:34
0:00
40K
24.85 mi14:13:363:30:258:287:46
9:06
+0:32
25.2M
25.20 mi14:17:163:34:058:303:40
10:38
+1:32
FINISH
26.22 mi14:25:553:42:448:318:39
8:30
-2:08

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

8:13 /mi

Average Pace

8:30 /mi

Slowest Pace

10:38 /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

0:00

0% of race

Time at Steady Pace

3:21:44

91% of race

Time at Slower Pace

21:00

9% of race

Average Pace: 8:30 /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 mi11:09:1226:018:2326:01
8:23
#19367
10K
6.21 mi11:34:4451:338:1825:32
8:14
#18997
15K
9.32 mi12:00:211:17:108:1725:37
8:15
#18890
20K
12.43 mi12:26:101:42:598:1825:49
8:19
#18687
HALF
13.11 mi12:31:461:48:358:175:36
8:13
#18669
25K
15.53 mi12:51:532:08:428:1820:07
8:18
#18440
30K
18.64 mi13:18:572:35:468:2227:04
8:43
#18371
20M
20.00 mi13:30:442:47:338:2311:47
8:41
#18259
21M
21.00 mi13:40:182:57:078:279:34
9:34
#18277
35K
21.75 mi13:46:343:03:238:266:16
8:23
#18225
23M
23.00 mi13:57:163:14:058:2710:42
8:34
#18080
24M
24.00 mi14:05:503:22:398:278:34
8:34
#18032
40K
24.85 mi14:13:363:30:258:287:46
9:06
#18059
25.2M
25.20 mi14:17:163:34:058:303:40
10:38
#18142
FINISH
26.22 mi14:25:553:42:448:318:39
8:30
#18125
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi193677287728718659(Top 64%)6847(Top 54%)6847(Top 394%)
10K6.21 mi3.10 mi18997+3707067+2207067+22018685(Top 64%)6843(Top 54%)6843(Top 394%)
15K9.32 mi3.11 mi18890+1076987+806987+8018659(Top 64%)6847(Top 54%)6847(Top 394%)
20K12.43 mi3.11 mi18687+2036879+1086879+10818182(Top 63%)6624(Top 53%)6624(Top 381%)
HALF13.11 mi0.68 mi18669+186873+66873+618534(Top 64%)6783(Top 54%)6783(Top 391%)
25K15.53 mi2.42 mi18440+2296753+1206753+12017418(Top 60%)6240(Top 50%)6240(Top 359%)
30K18.64 mi3.11 mi18371+696747+66747+618092(Top 62%)6725(Top 53%)6725(Top 387%)
20M20.00 mi1.36 mi18259+1126711+366711+3617286(Top 60%)6353(Top 51%)6353(Top 366%)
21M21.00 mi1.00 mi18277-186737-266737-2618809(Top 65%)7221(Top 57%)7221(Top 416%)
35K21.75 mi0.75 mi18225+526714+236714+2316957(Top 58%)6311(Top 50%)6311(Top 363%)
23M23.00 mi1.25 mi18080+1456662+526662+5216032(Top 55%)5868(Top 47%)5868(Top 338%)
24M24.00 mi1.00 mi18032+486653+96653+917289(Top 60%)6627(Top 53%)6627(Top 382%)
40K24.85 mi0.85 mi18059-276687-346687-3418805(Top 65%)7472(Top 59%)7472(Top 430%)
25.2M25.20 mi0.35 mi18142-836732-456732-4521463(Top 74%)8795(Top 70%)8795(Top 506%)
FINISH26.22 mi1.02 mi18125+176733-16733-118121(Top 62%)7110(Top 57%)7110(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18659

Females

6847

F40-44

6847

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18685

Females

6843

F40-44

6843

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18659

Females

6847

F40-44

6847

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18182

Females

6624

F40-44

6624

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18534

Females

6783

F40-44

6783

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17418

Females

6240

F40-44

6240

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18092

Females

6725

F40-44

6725

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17286

Females

6353

F40-44

6353

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18809

Females

7221

F40-44

7221

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16957

Females

6311

F40-44

6311

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

16032

Females

5868

F40-44

5868

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17289

Females

6627

F40-44

6627

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18805

Females

7472

F40-44

7472

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21463

Females

8795

F40-44

8795

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18121

Females

7110

F40-44

7110

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2213*
Passed By
971
Net Change
+1242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19367
5K10K499*129+370#19367#18997
10K15K240*133+107#18997#18890
15K20K264*61+203#18890#18687
20KHALF4123+18#18687#18669
HALF25K250*21+229#18669#18440
25K30K217*148+69#18440#18371
30K20M14836+112#18371#18259
20M21M7290-18#18259#18277
21M35K7624+52#18277#18225
35K23M17429+145#18225#18080
23M24M9042+48#18080#18032
24M40K5986-27#18032#18059
40K25.2M1093-83#18059#18142
25.2MFINISH7356+17#18142#18125
TOTALS2213*971+1242

* 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