All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Joy Castro-Wehr

Bib: 17971•F

MD

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 29%
Gender (Female)
#0 / 12578
Top 12%
Age Group (F18-39)
#0 / 5716
Top 23%
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
22:11
3.11 mi
Rank: #9677
Start → 5K
22:11 | 7:09/mi
10K
44:44
6.21 mi
Rank: #10194 (-517)
5K → 10K
22:33 | 7:16/mi
15K
1:07:30
9.32 mi
Rank: #10537 (-343)
10K → 15K
22:46 | 7:20/mi
20K
1:30:16
12.43 mi
Rank: #10455 (+82)
15K → 20K
22:46 | 7:20/mi
HALF
1:35:10
13.11 mi
Rank: #10428 (+27)
20K → HALF
4:54 | 7:12/mi
25K
1:53:01
15.53 mi
Rank: #10349 (+79)
HALF → 25K
17:51 | 7:22/mi
30K
2:15:53
18.64 mi
Rank: #9972 (+377)
25K → 30K
22:52 | 7:22/mi
20M
2:25:58
20.00 mi
Rank: #9823 (+149)
30K → 20M
10:05 | 7:26/mi
21M
2:33:34
21.00 mi
Rank: #9644 (+179)
20M → 21M
7:36 | 7:36/mi
35K
2:38:58
21.75 mi
Rank: #9572 (+72)
21M → 35K
5:24 | 7:14/mi
23M
2:47:52
23.00 mi
Rank: #9284 (+288)
35K → 23M
8:54 | 7:07/mi
24M
2:54:42
24.00 mi
Rank: #9074 (+210)
23M → 24M
6:50 | 6:50/mi
40K
3:00:35
24.85 mi
Rank: #8862 (+212)
24M → 40K
5:53 | 6:53/mi
25.2M
3:03:03
25.20 mi
Rank: #8741 (+121)
40K → 25.2M
2:28 | 7:10/mi
FINISH
3:09:26
26.22 mi
Rank: #8440 (+301)
25.2M → FINISH
6:23 | 6:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:16
Pace7:12 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2322:117:0922:11
7:09
-
10K
6.21 mi12:05:5644:447:1222:33
7:16
+0:07
15K
9.32 mi12:28:421:07:307:1522:46
7:20
+0:04
20K
12.43 mi12:51:281:30:167:1622:46
7:20
0:00
HALF
13.11 mi12:56:221:35:107:164:54
7:12
-0:08
25K
15.53 mi13:14:131:53:017:1717:51
7:22
+0:10
30K
18.64 mi13:37:052:15:537:1822:52
7:22
0:00
20M
20.00 mi13:47:102:25:587:1810:05
7:26
+0:04
21M
21.00 mi13:54:462:33:347:197:36
7:36
+0:10
35K
21.75 mi14:00:102:38:587:195:24
7:14
-0:22
23M
23.00 mi14:09:042:47:527:188:54
7:07
-0:07
24M
24.00 mi14:15:542:54:427:176:50
6:50
-0:17
40K
24.85 mi14:21:473:00:357:165:53
6:53
+0:03
25.2M
25.20 mi14:24:153:03:037:162:28
7:10
+0:17
FINISH
26.22 mi14:30:383:09:267:146:23
6:16
-0:54

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

6:16 /mi

Average Pace

7:14 /mi

Slowest Pace

7:36 /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

19:06

10% of race

Time at Steady Pace

2:32:39

81% of race

Time at Slower Pace

17:41

9% of race

Average Pace: 7:13 /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 mi11:43:2322:117:0922:11
7:09
#9677
10K
6.21 mi12:05:5644:447:1222:33
7:16
#10194
15K
9.32 mi12:28:421:07:307:1522:46
7:20
#10537
20K
12.43 mi12:51:281:30:167:1622:46
7:20
#10455
HALF
13.11 mi12:56:221:35:107:164:54
7:12
#10428
25K
15.53 mi13:14:131:53:017:1717:51
7:22
#10349
30K
18.64 mi13:37:052:15:537:1822:52
7:22
#9972
20M
20.00 mi13:47:102:25:587:1810:05
7:26
#9823
21M
21.00 mi13:54:462:33:347:197:36
7:36
#9644
35K
21.75 mi14:00:102:38:587:195:24
7:14
#9572
23M
23.00 mi14:09:042:47:527:188:54
7:07
#9284
24M
24.00 mi14:15:542:54:427:176:50
6:50
#9074
40K
24.85 mi14:21:473:00:357:165:53
6:53
#8862
25.2M
25.20 mi14:24:153:03:037:162:28
7:10
#8741
FINISH
26.22 mi14:30:383:09:267:146:23
6:16
#8440
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 mi96771730173011310(Top 39%)2633(Top 21%)2633(Top 46%)
10K6.21 mi3.10 mi10194-5171989-2591989-25910783(Top 37%)2295(Top 18%)2295(Top 40%)
15K9.32 mi3.11 mi10537-3432179-1902179-19011310(Top 39%)2633(Top 21%)2633(Top 46%)
20K12.43 mi3.11 mi10455+822179217910437(Top 36%)2263(Top 18%)2263(Top 40%)
HALF13.11 mi0.68 mi10428+272171+82171+810212(Top 35%)2084(Top 17%)2084(Top 36%)
25K15.53 mi2.42 mi10349+792157+142157+1410232(Top 35%)2248(Top 18%)2248(Top 39%)
30K18.64 mi3.11 mi9972+3772026+1312026+1318588(Top 30%)1626(Top 13%)1626(Top 28%)
20M20.00 mi1.36 mi9823+1491978+481978+488568(Top 30%)1724(Top 14%)1724(Top 30%)
21M21.00 mi1.00 mi9644+1791916+621916+627193(Top 25%)1285(Top 10%)1285(Top 22%)
35K21.75 mi0.75 mi9572+721894+221894+228713(Top 30%)1871(Top 15%)1871(Top 33%)
23M23.00 mi1.25 mi9284+2881792+1021792+1026249(Top 22%)973(Top 8%)973(Top 17%)
24M24.00 mi1.00 mi9074+2101733+591733+595419(Top 19%)781(Top 6%)781(Top 14%)
40K24.85 mi0.85 mi8862+2121669+641669+644775(Top 16%)654(Top 5%)654(Top 11%)
25.2M25.20 mi0.35 mi8741+1211629+401629+403465(Top 12%)412(Top 3%)412(Top 7%)
FINISH26.22 mi1.02 mi8440+3011526+1031526+1032878(Top 10%)295(Top 2%)295(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11310

Females

2633

F18-39

2633

5K→10K

3.1 - 6.2 mi

Top 37%
×5
+79ft-138ft

Overall

10783

Females

2295

F18-39

2295

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11310

Females

2633

F18-39

2633

15K→20K

9.3 - 12.4 mi

Top 36%
×5
+106ft-86ft

Overall

10437

Females

2263

F18-39

2263

20K→HALF

12.4 - 13.1 mi

Top 35%
×2
+19ft-37ft

Overall

10212

Females

2084

F18-39

2084

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10232

Females

2248

F18-39

2248

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8588

Females

1626

F18-39

1626

30K→20M

18.6 - 20.0 mi

Top 30%
×5
+64ft-50ft

Overall

8568

Females

1724

F18-39

1724

20M→21M

20.0 - 21.0 mi

Top 25%
×8
+106ft-24ft

Overall

7193

Females

1285

F18-39

1285

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8713

Females

1871

F18-39

1871

35K→23M

21.8 - 23.0 mi

Top 22%
×5
+23ft-63ft

Overall

6249

Females

973

F18-39

973

23M→24M

23.0 - 24.0 mi

Top 19%
×6
+12ft-82ft

Overall

5419

Females

781

F18-39

781

24M→40K

24.0 - 24.9 mi

Top 16%
×1
+6ft-20ft

Overall

4775

Females

654

F18-39

654

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1
+13ft-16ft

Overall

3465

Females

412

F18-39

412

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2878

Females

295

F18-39

295

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2540*
Passed By
1301
Net Change
+1237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9677
5K → 10K83598-517#9677#10194
10K → 15K72415-343#10194#10537
15K → 20K206124+82#10537#10455
20K → HALF3912+27#10455#10428
HALF → 25K15071+79#10428#10349
25K → 30K407*30+377#10349#9972
30K → 20M17122+149#9972#9823
20M → 21M19213+179#9823#9644
21M → 35K8513+72#9644#9572
35K → 23M2913+288#9572#9284
23M → 24M2100+210#9284#9074
24M → 40K2120+212#9074#8862
40K → 25.2M1210+121#8862#8741
25.2M → FINISH3010+301#8741#8440
TOTALS2540*1301+1237

* 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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing