Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sara Cornish

Bib: 19183FAge: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 50%
Gender (Female)
#0 / 12578
Top 37%
Age Group (F18-39)
#0 / 5716
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
26:24
3.11 mi
Rank: #20065
Start5K
26:24 | 8:30/mi
10K
50:42
6.21 mi
Rank: #18161 (+1904)
5K10K
24:18 | 7:50/mi
15K
1:14:59
9.32 mi
Rank: #17388 (+773)
10K15K
24:17 | 7:49/mi
20K
1:39:15
12.43 mi
Rank: #16699 (+689)
15K20K
24:16 | 7:49/mi
HALF
1:44:33
13.11 mi
Rank: #16635 (+64)
20KHALF
5:18 | 7:47/mi
25K
2:03:37
15.53 mi
Rank: #16237 (+398)
HALF25K
19:04 | 7:52/mi
30K
2:28:06
18.64 mi
Rank: #15560 (+677)
25K30K
24:29 | 7:53/mi
20M
2:38:58
20.00 mi
Rank: #15330 (+230)
30K20M
10:52 | 8:01/mi
21M
2:47:14
21.00 mi
Rank: #15061 (+269)
20M21M
8:16 | 8:16/mi
35K
2:53:07
21.75 mi
Rank: #14983 (+78)
21M35K
5:53 | 7:52/mi
23M
3:03:12
23.00 mi
Rank: #14846 (+137)
35K23M
10:05 | 8:04/mi
24M
3:11:06
24.00 mi
Rank: #14754 (+92)
23M24M
7:54 | 7:54/mi
40K
3:17:57
24.85 mi
Rank: #14667 (+87)
24M40K
6:51 | 8:01/mi
25.2M
3:20:52
25.20 mi
Rank: #14604 (+63)
40K25.2M
2:55 | 8:28/mi
FINISH
3:28:27
26.22 mi
Rank: #14480 (+124)
25.2MFINISH
7:35 | 7:27/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 Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:54
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4726:248:3026:24
8:30
-
10K
6.21 mi12:13:0550:428:1024:18
7:50
-0:40
15K
9.32 mi12:37:221:14:598:0324:17
7:49
-0:01
20K
12.43 mi13:01:381:39:158:0024:16
7:49
0:00
HALF
13.11 mi13:06:561:44:337:595:18
7:47
-0:02
25K
15.53 mi13:26:002:03:377:5819:04
7:52
+0:05
30K
18.64 mi13:50:292:28:067:5724:29
7:53
+0:01
20M
20.00 mi14:01:212:38:587:5710:52
8:01
+0:08
21M
21.00 mi14:09:372:47:147:588:16
8:16
+0:15
35K
21.75 mi14:15:302:53:077:585:53
7:52
-0:24
23M
23.00 mi14:25:353:03:127:5810:05
8:04
+0:12
24M
24.00 mi14:33:293:11:067:587:54
7:54
-0:10
40K
24.85 mi14:40:203:17:577:586:51
8:01
+0:07
25.2M
25.20 mi14:43:153:20:527:592:55
8:28
+0:27
FINISH
26.22 mi14:50:503:28:277:587:35
7:27
-1:01

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

7:27 /mi

Average Pace

7:57 /mi

Slowest Pace

8:30 /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

2:50:52

82% of race

Time at Steady Pace

37:35

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:48:4726:248:3026:24
8:30
#20065
10K
6.21 mi12:13:0550:428:1024:18
7:50
#18161
15K
9.32 mi12:37:221:14:598:0324:17
7:49
#17388
20K
12.43 mi13:01:381:39:158:0024:16
7:49
#16699
HALF
13.11 mi13:06:561:44:337:595:18
7:47
#16635
25K
15.53 mi13:26:002:03:377:5819:04
7:52
#16237
30K
18.64 mi13:50:292:28:067:5724:29
7:53
#15560
20M
20.00 mi14:01:212:38:587:5710:52
8:01
#15330
21M
21.00 mi14:09:372:47:147:588:16
8:16
#15061
35K
21.75 mi14:15:302:53:077:585:53
7:52
#14983
23M
23.00 mi14:25:353:03:127:5810:05
8:04
#14846
24M
24.00 mi14:33:293:11:067:587:54
7:54
#14754
40K
24.85 mi14:40:203:17:577:586:51
8:01
#14667
25.2M
25.20 mi14:43:153:20:527:592:55
8:28
#14604
FINISH
26.22 mi14:50:503:28:277:587:35
7:27
#14480
Faster pace
Steady pace
Slower pace

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 mi200657671767115481(Top 53%)5032(Top 40%)5032(Top 88%)
10K6.21 mi3.10 mi18161+19046586+10856586+108515843(Top 55%)5216(Top 41%)5216(Top 91%)
15K9.32 mi3.11 mi17388+7736155+4316155+43115481(Top 53%)5032(Top 40%)5032(Top 88%)
20K12.43 mi3.11 mi16699+6895752+4035752+40314626(Top 50%)4572(Top 36%)4572(Top 80%)
HALF13.11 mi0.68 mi16635+645720+325720+3215394(Top 53%)4960(Top 39%)4960(Top 87%)
25K15.53 mi2.42 mi16237+3985506+2145506+21414345(Top 49%)4491(Top 36%)4491(Top 79%)
30K18.64 mi3.11 mi15560+6775135+3715135+37112608(Top 43%)3636(Top 29%)3636(Top 64%)
20M20.00 mi1.36 mi15330+2305016+1195016+11912877(Top 44%)3881(Top 31%)3881(Top 68%)
21M21.00 mi1.00 mi15061+2694894+1224894+12211692(Top 40%)3374(Top 27%)3374(Top 59%)
35K21.75 mi0.75 mi14983+784861+334861+3313586(Top 47%)4418(Top 35%)4418(Top 77%)
23M23.00 mi1.25 mi14846+1374807+544807+5412878(Top 44%)4083(Top 32%)4083(Top 71%)
24M24.00 mi1.00 mi14754+924774+334774+3313061(Top 45%)4289(Top 34%)4289(Top 75%)
40K24.85 mi0.85 mi14667+874742+324742+3212613(Top 43%)4128(Top 33%)4128(Top 72%)
25.2M25.20 mi0.35 mi14604+634711+314711+3111453(Top 39%)3609(Top 29%)3609(Top 63%)
FINISH26.22 mi1.02 mi14480+1244658+534658+5311013(Top 38%)3366(Top 27%)3366(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15481

Females

5032

F18-39

5032

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15843

Females

5216

F18-39

5216

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15481

Females

5032

F18-39

5032

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14626

Females

4572

F18-39

4572

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15394

Females

4960

F18-39

4960

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14345

Females

4491

F18-39

4491

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12608

Females

3636

F18-39

3636

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12877

Females

3881

F18-39

3881

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11692

Females

3374

F18-39

3374

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13586

Females

4418

F18-39

4418

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12878

Females

4083

F18-39

4083

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13061

Females

4289

F18-39

4289

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12613

Females

4128

F18-39

4128

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11453

Females

3609

F18-39

3609

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11013

Females

3366

F18-39

3366

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5771*
Passed By
186
Net Change
+5585
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20065
5K10K1912*8+1904#20065#18161
10K15K788*15+773#18161#17388
15K20K698*9+689#17388#16699
20KHALF739+64#16699#16635
HALF25K405*7+398#16635#16237
25K30K680*3+677#16237#15560
30K20M233*3+230#15560#15330
20M21M276*7+269#15330#15061
21M35K9315+78#15061#14983
35K23M17841+137#14983#14846
23M24M12129+92#14846#14754
24M40K10215+87#14754#14667
40K25.2M7411+63#14667#14604
25.2MFINISH13814+124#14604#14480
TOTALS5771*186+5585

* 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