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BOSTON MARATHON 2025

Joy Castro-Wehr

Bib: 16421•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:36/mi
23:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:10:26
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:34:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:39:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:57:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:22:13
↑ 181↓ 1480.2%
20M
7:47/mi
2:32:48
↑ 64↓ 500.2%
21M
8:14/mi
2:41:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:46:42
↑ 17↓ 861.7%
23M
7:50/mi
2:56:31
↑ 23↓ 630.6%
24M
7:40/mi
3:04:11
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:10:41
↓ 200.3%
25.2M
7:56/mi
3:13:25
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
3:20:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0323:367:3623:36
7:36
-
10K
6.21 mi11:21:1746:507:3223:14
7:29
-0:07
15K
9.32 mi11:44:531:10:267:3323:36
7:36
+0:07
20K
12.43 mi12:08:281:34:017:3423:35
7:35
-0:01
Half
13.11 mi12:13:361:39:097:345:08
7:31
-0:04
25K
15.53 mi12:32:091:57:427:3518:33
7:39
+0:08
30K
18.64 mi12:56:402:22:137:3824:31
7:53
+0:14
20M
20.00 mi13:07:152:32:487:3810:35
7:47
-0:06
21M
21.00 mi13:15:292:41:027:408:14
8:14
+0:27
35K
21.75 mi13:21:092:46:427:405:40
7:34
-0:40
23M
23.00 mi13:30:582:56:317:409:49
7:50
+0:16
24M
24.00 mi13:38:383:04:117:407:40
7:40
-0:10
40K
24.85 mi13:45:083:10:417:406:30
7:36
-0:04
25.2M
25.20 mi13:47:523:13:257:412:44
7:56
+0:20
Finish
26.22 mi13:54:473:20:207:396:55
6:47
-1:09

Checkpoints & Pacing

📈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

6:47 /mi

Average Pace

7:39 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:55

3% of race

Time at Steady Pace

2:17:32

69% of race

Time at Slower Pace

55:53

28% of race

Average Pace: 7:38 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:58:0323:367:3623:36
7:36
#13081
10K
6.21 mi11:21:1746:507:3223:14
7:29
#12461
15K
9.32 mi11:44:531:10:267:3323:36
7:36
#12485
20K
12.43 mi12:08:281:34:017:3423:35
7:35
#12206
Half
13.11 mi12:13:361:39:097:345:08
7:31
#12190
25K
15.53 mi12:32:091:57:427:3518:33
7:39
#11974
30K
18.64 mi12:56:402:22:137:3824:31
7:53
#11671
20M
20.00 mi13:07:152:32:487:3810:35
7:47
#11407
21M
21.00 mi13:15:292:41:027:408:14
8:14
#11224
35K
21.75 mi13:21:092:46:427:405:40
7:34
#11116
23M
23.00 mi13:30:582:56:317:409:49
7:50
#10942
24M
24.00 mi13:38:383:04:117:407:40
7:40
#10809
40K
24.85 mi13:45:083:10:417:406:30
7:36
#10649
25.2M
25.20 mi13:47:523:13:257:412:44
7:56
#10528
Finish
26.22 mi13:54:473:20:207:396:55
6:47
#10245
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130813360336012570(Top 44%)3197(Top 26%)3197(Top 58%)
10K6.21 mi3.10 mi12461+6203044+3163044+31611913(Top 42%)2765(Top 23%)2765(Top 51%)
15K9.32 mi3.11 mi12485-243094-503094-5012570(Top 44%)3197(Top 26%)3197(Top 58%)
20K12.43 mi3.11 mi12206+2792983+1112983+11111521(Top 41%)2746(Top 22%)2746(Top 50%)
Half13.11 mi0.68 mi12190+162982+12982+111930(Top 42%)2880(Top 24%)2880(Top 53%)
25K15.53 mi2.42 mi11974+2162906+762906+7611168(Top 39%)2667(Top 22%)2667(Top 49%)
30K18.64 mi3.11 mi11671+3032824+822824+8210569(Top 37%)2575(Top 21%)2575(Top 47%)
20M20.00 mi1.36 mi11407+2642724+1002724+1008974(Top 32%)1981(Top 16%)1981(Top 36%)
21M21.00 mi1.00 mi11224+1832667+572667+578814(Top 31%)2080(Top 17%)2080(Top 38%)
35K21.75 mi0.75 mi11116+1082627+402627+409207(Top 32%)2229(Top 18%)2229(Top 41%)
23M23.00 mi1.25 mi10942+1742587+402587+408899(Top 31%)2209(Top 18%)2209(Top 40%)
24M24.00 mi1.00 mi10809+1332553+342553+348930(Top 31%)2293(Top 19%)2293(Top 42%)
40K24.85 mi0.85 mi10649+1602494+592494+597477(Top 26%)1755(Top 14%)1755(Top 32%)
25.2M25.20 mi0.35 mi10528+1212445+492445+495682(Top 20%)1145(Top 9%)1145(Top 21%)
Finish26.22 mi1.02 mi10245+2832349+962349+964470(Top 16%)686(Top 6%)686(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12570

Females

3197

F18-39

3197

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11913

Females

2765

F18-39

2765

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12570

Females

3197

F18-39

3197

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11521

Females

2746

F18-39

2746

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11930

Females

2880

F18-39

2880

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11168

Females

2667

F18-39

2667

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10569

Females

2575

F18-39

2575

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8974

Females

1981

F18-39

1981

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8814

Females

2080

F18-39

2080

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9207

Females

2229

F18-39

2229

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8899

Females

2209

F18-39

2209

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8930

Females

2293

F18-39

2293

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7477

Females

1755

F18-39

1755

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5682

Females

1145

F18-39

1145

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4470

Females

686

F18-39

686

Passing Analysis

Category:
Athletes Passed
3433
Passed By
597
Net Change
+2836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13081
5K → 10K70383+620#13081#12461
10K → 15K173197-24#12461#12485
15K → 20K34263+279#12485#12206
20K → Half3822+16#12206#12190
Half → 25K27357+216#12190#11974
25K → 30K37875+303#11974#11671
30K → 20M27511+264#11671#11407
20M → 21M20118+183#11407#11224
21M → 35K11810+108#11224#11116
35K → 23M20329+174#11116#10942
23M → 24M15623+133#10942#10809
24M → 40K1677+160#10809#10649
40K → 25.2M1232+121#10649#10528
25.2M → Finish2830+283#10528#10245
TOTALS3433597+2836
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing