Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Marni Sanders

Bib: 20673 β€’F β€’Age: N/A

TX

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
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°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
24:35
3.11 mi
Rank: #16310
Start β†’ 5K
24:35 | 7:55/mi
10K
49:37
6.21 mi
Rank: #16975 (-665)
5K β†’ 10K
25:02 | 8:04/mi
15K
1:15:22
9.32 mi
Rank: #17682 (-707)
10K β†’ 15K
25:45 | 8:18/mi
20K
1:41:53
12.43 mi
Rank: #18160 (-478)
15K β†’ 20K
26:31 | 8:33/mi
HALF
1:47:44
13.11 mi
Rank: #18279 (-119)
20K β†’ HALF
5:51 | 8:35/mi
25K
2:09:32
15.53 mi
Rank: #18772 (-493)
HALF β†’ 25K
21:48 | 9:00/mi
30K
2:42:10
18.64 mi
Rank: #20336 (-1564)
25K β†’ 30K
32:38 | 10:31/mi
20M
2:58:56
20.00 mi
Rank: #21305 (-969)
30K β†’ 20M
16:46 | 12:21/mi
21M
3:11:43
21.00 mi
Rank: #21829 (-524)
20M β†’ 21M
12:47 | 12:47/mi
35K
3:19:56
21.75 mi
Rank: #22031 (-202)
21M β†’ 35K
8:13 | 10:59/mi
23M
3:35:12
23.00 mi
Rank: #22496 (-465)
35K β†’ 23M
15:16 | 12:12/mi
24M
3:45:28
24.00 mi
Rank: #22559 (-63)
23M β†’ 24M
10:16 | 10:16/mi
40K
3:57:06
24.85 mi
Rank: #22898 (-339)
24M β†’ 40K
11:38 | 13:37/mi
25.2M
4:01:02
25.20 mi
Rank: #22894 (+4)
40K β†’ 25.2M
3:56 | 11:25/mi
FINISH
4:10:56
26.22 mi
Rank: #22904 (-10)
25.2M β†’ FINISH
9:54 | 9:43/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 β€” 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
Time1:47:44
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:23:12
Pace10:56 /mi
πŸ“ŠPositive Split: 32.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:4424:357:5524:35
7:55
-
10K
6.21 mi11:34:4649:378:0025:02
8:04
+0:09
15K
9.32 mi12:00:311:15:228:0625:45
8:18
+0:14
20K
12.43 mi12:27:021:41:538:1226:31
8:33
+0:15
HALF
13.11 mi12:32:531:47:448:145:51
8:35
+0:02
25K
15.53 mi12:54:412:09:328:2121:48
9:00
+0:25
30K
18.64 mi13:27:192:42:108:4232:38
10:31
+1:31
20M
20.00 mi13:44:052:58:568:5716:46
12:21
+1:50
21M
21.00 mi13:56:523:11:439:0812:47
12:47
+0:26
35K
21.75 mi14:05:053:19:569:128:13
10:59
-1:48
23M
23.00 mi14:20:213:35:129:2215:16
12:12
+1:13
24M
24.00 mi14:30:373:45:289:2410:16
10:16
-1:56
40K
24.85 mi14:42:153:57:069:3311:38
13:37
+3:21
25.2M
25.20 mi14:46:114:01:029:343:56
11:25
-2:12
FINISH
26.22 mi14:56:054:10:569:359:54
9:43
-1:42

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:55 /mi

Average Pace

9:35 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:09:32

52% of race

Time at Steady Pace

1:01:01

24% of race

Time at Slower Pace

1:00:23

24% of race

Average Pace: 9:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:09:4424:357:5524:35
7:55
#16310
10K
6.21 mi11:34:4649:378:0025:02
8:04
#16975
15K
9.32 mi12:00:311:15:228:0625:45
8:18
#17682
20K
12.43 mi12:27:021:41:538:1226:31
8:33
#18160
HALF
13.11 mi12:32:531:47:448:145:51
8:35
#18279
25K
15.53 mi12:54:412:09:328:2121:48
9:00
#18772
30K
18.64 mi13:27:192:42:108:4232:38
10:31
#20336
20M
20.00 mi13:44:052:58:568:5716:46
12:21
#21305
21M
21.00 mi13:56:523:11:439:0812:47
12:47
#21829
35K
21.75 mi14:05:053:19:569:128:13
10:59
#22031
23M
23.00 mi14:20:213:35:129:2215:16
12:12
#22496
24M
24.00 mi14:30:373:45:289:2410:16
10:16
#22559
40K
24.85 mi14:42:153:57:069:3311:38
13:37
#22898
25.2M
25.20 mi14:46:114:01:029:343:56
11:25
#22894
FINISH
26.22 mi14:56:054:10:569:359:54
9:43
#22904
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 mi163105513551318929(Top 65%)7002(Top 56%)7002(Top 403%)
10K6.21 mi3.10 mi16975-6655925-4125925-41217696(Top 61%)6325(Top 50%)6325(Top 364%)
15K9.32 mi3.11 mi17682-7076315-3906315-39018929(Top 65%)7002(Top 56%)7002(Top 403%)
20K12.43 mi3.11 mi18160-4786576-2616576-26119521(Top 67%)7380(Top 59%)7380(Top 425%)
HALF13.11 mi0.68 mi18279-1196643-676643-6720793(Top 72%)8026(Top 64%)8026(Top 462%)
25K15.53 mi2.42 mi18772-4936936-2936936-29321145(Top 73%)8243(Top 66%)8243(Top 475%)
30K18.64 mi3.11 mi20336-15647834-8987834-89824302(Top 84%)10002(Top 80%)10002(Top 576%)
20M20.00 mi1.36 mi21305-9698354-5208354-52026794(Top 92%)11403(Top 91%)11403(Top 656%)
21M21.00 mi1.00 mi21829-5248623-2698623-26926124(Top 90%)11076(Top 88%)11076(Top 638%)
35K21.75 mi0.75 mi22031-2028740-1178740-11725246(Top 87%)10652(Top 85%)10652(Top 613%)
23M23.00 mi1.25 mi22496-4659000-2609000-26026406(Top 91%)11275(Top 90%)11275(Top 649%)
24M24.00 mi1.00 mi22559-639054-549054-5423528(Top 81%)9818(Top 78%)9818(Top 565%)
40K24.85 mi0.85 mi22898-3399230-1769230-17627590(Top 95%)11907(Top 95%)11907(Top 685%)
25.2M25.20 mi0.35 mi22894+49235-59235-523329(Top 80%)9790(Top 78%)9790(Top 564%)
FINISH26.22 mi1.02 mi22904-109250-159250-1523036(Top 79%)9617(Top 76%)9617(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
Γ—21
+97ft-345ft

Overall

18929

Females

7002

F40-44

7002

5K→10K

3.1 - 6.2 mi

Top 61%
Γ—5
+79ft-138ft

Overall

17696

Females

6325

F40-44

6325

10K→15K

6.2 - 9.3 mi

Top 65%
Γ—3
+67ft-78ft

Overall

18929

Females

7002

F40-44

7002

15K→20K

9.3 - 12.4 mi

Top 67%
Γ—5
+106ft-86ft

Overall

19521

Females

7380

F40-44

7380

20K→HALF

12.4 - 13.1 mi

Top 72%
Γ—2
+19ft-37ft

Overall

20793

Females

8026

F40-44

8026

HALF→25K

13.1 - 15.5 mi

Top 73%
Γ—4
+66ft-88ft

Overall

21145

Females

8243

F40-44

8243

25K→30K

15.5 - 18.6 mi

Top 84%
Γ—9
+181ft-148ft

Overall

24302

Females

10002

F40-44

10002

30K→20M

18.6 - 20.0 mi

Top 92%
Γ—5
+64ft-50ft

Overall

26794

Females

11403

F40-44

11403

20M→21M

20.0 - 21.0 mi

Top 90%
Γ—8
+106ft-24ft

Overall

26124

Females

11076

F40-44

11076

21M→35K

21.0 - 21.8 mi

Top 87%
Γ—7
+17ft-86ft

Overall

25246

Females

10652

F40-44

10652

35K→23M

21.8 - 23.0 mi

Top 91%
Γ—5
+23ft-63ft

Overall

26406

Females

11275

F40-44

11275

23M→24M

23.0 - 24.0 mi

Top 81%
Γ—6
+12ft-82ft

Overall

23528

Females

9818

F40-44

9818

24M→40K

24.0 - 24.9 mi

Top 95%
Γ—1
+6ft-20ft

Overall

27590

Females

11907

F40-44

11907

40K→25.2M

24.9 - 25.2 mi

Top 80%
Γ—1
+13ft-16ft

Overall

23329

Females

9790

F40-44

9790

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
Γ—2
+22ft-21ft

Overall

23036

Females

9617

F40-44

9617

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
403
Passed By
2290
Net Change
-6594
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#16310
5K β†’ 10K86200-665#16310#16975
10K β†’ 15K33200-707#16975#17682
15K β†’ 20K69200-478#17682#18160
20K β†’ HALF7126-119#18160#18279
HALF β†’ 25K35200-493#18279#18772
25K β†’ 30K26200-1564#18772#20336
30K β†’ 20M8200-969#20336#21305
20M β†’ 21M9200-524#21305#21829
21M β†’ 35K15200-202#21829#22031
35K β†’ 23M11200-465#22031#22496
23M β†’ 24M3295-63#22496#22559
24M β†’ 40K9200-339#22559#22898
40K β†’ 25.2M2016+4#22898#22894
25.2M β†’ FINISH4353-10#22894#22904
TOTALS4032290-6594
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace 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