Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Alexa Vanderhoff

Bib: 5940 β€’F β€’Age: N/A

CO

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 17%
Gender (Female)
#0 / 12578
Top 4%
Age Group (F18-39)
#0 / 5716
Top 7%
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
20:20
3.11 mi
Rank: #4577
Start β†’ 5K
20:20 | 6:33/mi
10K
40:42
6.21 mi
Rank: #4601 (-24)
5K β†’ 10K
20:22 | 6:34/mi
15K
1:01:03
9.32 mi
Rank: #4590 (+11)
10K β†’ 15K
20:21 | 6:34/mi
20K
1:21:26
12.43 mi
Rank: #4439 (+151)
15K β†’ 20K
20:23 | 6:34/mi
HALF
1:25:46
13.11 mi
Rank: #4387 (+52)
20K β†’ HALF
4:20 | 6:22/mi
25K
1:41:47
15.53 mi
Rank: #4312 (+75)
HALF β†’ 25K
16:01 | 6:37/mi
30K
2:02:56
18.64 mi
Rank: #4276 (+36)
25K β†’ 30K
21:09 | 6:49/mi
20M
2:12:23
20.00 mi
Rank: #4312 (-36)
30K β†’ 20M
9:27 | 6:58/mi
21M
2:19:41
21.00 mi
Rank: #4325 (-13)
20M β†’ 21M
7:18 | 7:18/mi
35K
2:24:51
21.75 mi
Rank: #4373 (-48)
21M β†’ 35K
5:10 | 6:55/mi
23M
2:33:59
23.00 mi
Rank: #4517 (-144)
35K β†’ 23M
9:08 | 7:18/mi
24M
2:41:19
24.00 mi
Rank: #4695 (-178)
23M β†’ 24M
7:20 | 7:20/mi
40K
2:47:49
24.85 mi
Rank: #4871 (-176)
24M β†’ 40K
6:30 | 7:37/mi
25.2M
2:50:37
25.20 mi
Rank: #4932 (-61)
40K β†’ 25.2M
2:48 | 8:08/mi
FINISH
2:57:52
26.22 mi
Rank: #5076 (-144)
25.2M β†’ FINISH
7:15 | 7:07/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
Time1:25:46
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
πŸ“ŠPositive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3920:206:3320:20
6:33
-
10K
6.21 mi10:45:0140:426:3420:22
6:34
+0:01
15K
9.32 mi11:05:221:01:036:3420:21
6:34
0:00
20K
12.43 mi11:25:451:21:266:3420:23
6:34
0:00
HALF
13.11 mi11:30:051:25:466:334:20
6:22
-0:12
25K
15.53 mi11:46:061:41:476:3416:01
6:37
+0:15
30K
18.64 mi12:07:152:02:566:3621:09
6:49
+0:12
20M
20.00 mi12:16:422:12:236:389:27
6:58
+0:09
21M
21.00 mi12:24:002:19:416:407:18
7:18
+0:20
35K
21.75 mi12:29:102:24:516:405:10
6:55
-0:23
23M
23.00 mi12:38:182:33:596:429:08
7:18
+0:23
24M
24.00 mi12:45:382:41:196:447:20
7:20
+0:02
40K
24.85 mi12:52:082:47:496:466:30
7:37
+0:17
25.2M
25.20 mi12:54:562:50:376:472:48
8:08
+0:31
FINISH
26.22 mi13:02:112:57:526:487:15
7:07
-1:01

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

6:22 /mi

Average Pace

6:47 /mi

Slowest Pace

8:08 /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

1:41:47

57% of race

Time at Steady Pace

43:01

24% of race

Time at Slower Pace

33:04

19% of race

Average Pace: 6:47 /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 mi10:24:3920:206:3320:20
6:33
#4577
10K
6.21 mi10:45:0140:426:3420:22
6:34
#4601
15K
9.32 mi11:05:221:01:036:3420:21
6:34
#4590
20K
12.43 mi11:25:451:21:266:3420:23
6:34
#4439
HALF
13.11 mi11:30:051:25:466:334:20
6:22
#4387
25K
15.53 mi11:46:061:41:476:3416:01
6:37
#4312
30K
18.64 mi12:07:152:02:566:3621:09
6:49
#4276
20M
20.00 mi12:16:422:12:236:389:27
6:58
#4312
21M
21.00 mi12:24:002:19:416:407:18
7:18
#4325
35K
21.75 mi12:29:102:24:516:405:10
6:55
#4373
23M
23.00 mi12:38:182:33:596:429:08
7:18
#4517
24M
24.00 mi12:45:382:41:196:447:20
7:20
#4695
40K
24.85 mi12:52:082:47:496:466:30
7:37
#4871
25.2M
25.20 mi12:54:562:50:376:472:48
8:08
#4932
FINISH
26.22 mi13:02:112:57:526:487:15
7:07
#5076
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 mi45772722724593(Top 16%)275(Top 2%)275(Top 5%)
10K6.21 mi3.10 mi4601-24271+1271+14682(Top 16%)282(Top 2%)282(Top 5%)
15K9.32 mi3.11 mi4590+11265+6265+64593(Top 16%)275(Top 2%)275(Top 5%)
20K12.43 mi3.11 mi4439+151249+16249+164182(Top 14%)228(Top 2%)228(Top 4%)
HALF13.11 mi0.68 mi4387+52244+5244+53511(Top 12%)151(Top 1%)151(Top 3%)
25K15.53 mi2.42 mi4312+75241+3241+34179(Top 14%)261(Top 2%)261(Top 5%)
30K18.64 mi3.11 mi4276+36243-2243-24449(Top 15%)356(Top 3%)356(Top 6%)
20M20.00 mi1.36 mi4312-36255-12255-125284(Top 18%)557(Top 4%)557(Top 10%)
21M21.00 mi1.00 mi4325-13262-7262-75293(Top 18%)649(Top 5%)649(Top 11%)
35K21.75 mi0.75 mi4373-48276-14276-146470(Top 22%)963(Top 8%)963(Top 17%)
23M23.00 mi1.25 mi4517-144315-39315-397467(Top 26%)1397(Top 11%)1397(Top 24%)
24M24.00 mi1.00 mi4695-178348-33348-338857(Top 31%)2094(Top 17%)2094(Top 37%)
40K24.85 mi0.85 mi4871-176394-46394-469599(Top 33%)2544(Top 20%)2544(Top 45%)
25.2M25.20 mi0.35 mi4932-61416-22416-229104(Top 31%)2369(Top 19%)2369(Top 41%)
FINISH26.22 mi1.02 mi5076-144454-38454-388468(Top 29%)2120(Top 17%)2120(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
Γ—21
+97ft-345ft

Overall

4593

Females

275

F18-39

275

5K→10K

3.1 - 6.2 mi

Top 16%
Γ—5
+79ft-138ft

Overall

4682

Females

282

F18-39

282

10K→15K

6.2 - 9.3 mi

Top 16%
Γ—3
+67ft-78ft

Overall

4593

Females

275

F18-39

275

15K→20K

9.3 - 12.4 mi

Top 14%
Γ—5
+106ft-86ft

Overall

4182

Females

228

F18-39

228

20K→HALF

12.4 - 13.1 mi

Top 12%
Γ—2
+19ft-37ft

Overall

3511

Females

151

F18-39

151

HALF→25K

13.1 - 15.5 mi

Top 14%
Γ—4
+66ft-88ft

Overall

4179

Females

261

F18-39

261

25K→30K

15.5 - 18.6 mi

Top 15%
Γ—9
+181ft-148ft

Overall

4449

Females

356

F18-39

356

30K→20M

18.6 - 20.0 mi

Top 18%
Γ—5
+64ft-50ft

Overall

5284

Females

557

F18-39

557

20M→21M

20.0 - 21.0 mi

Top 18%
Γ—8
+106ft-24ft

Overall

5293

Females

649

F18-39

649

21M→35K

21.0 - 21.8 mi

Top 22%
Γ—7
+17ft-86ft

Overall

6470

Females

963

F18-39

963

35K→23M

21.8 - 23.0 mi

Top 26%
Γ—5
+23ft-63ft

Overall

7467

Females

1397

F18-39

1397

23M→24M

23.0 - 24.0 mi

Top 31%
Γ—6
+12ft-82ft

Overall

8857

Females

2094

F18-39

2094

24M→40K

24.0 - 24.9 mi

Top 33%
Γ—1
+6ft-20ft

Overall

9599

Females

2544

F18-39

2544

40K→25.2M

24.9 - 25.2 mi

Top 31%
Γ—1
+13ft-16ft

Overall

9104

Females

2369

F18-39

2369

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
Γ—2
+22ft-21ft

Overall

8468

Females

2120

F18-39

2120

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
954
Passed By
1452
Net Change
-499
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#4577
5K β†’ 10K131155-24#4577#4601
10K β†’ 15K123112+11#4601#4590
15K β†’ 20K17726+151#4590#4439
20K β†’ HALF575+52#4439#4387
HALF β†’ 25K10530+75#4387#4312
25K β†’ 30K12286+36#4312#4276
30K β†’ 20M5389-36#4276#4312
20M β†’ 21M4659-13#4312#4325
21M β†’ 35K2876-48#4325#4373
35K β†’ 23M38182-144#4373#4517
23M β†’ 24M23200-178#4517#4695
24M β†’ 40K22198-176#4695#4871
40K β†’ 25.2M1172-61#4871#4932
25.2M β†’ FINISH18162-144#4932#5076
TOTALS9541452-499
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