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BOSTON MARATHON 2026

Karalyn Spadaro

Bib: 16575•F

MA

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0:00
/ mi
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Overall
#0 / 29021
Top 37%
Gender (Female)
#0 / 12578
Top 21%
Age Group (F18-39)
#0 / 5716
Top 37%
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
23:47
3.11 mi
Rank: #14159
Start → 5K
23:47 | 7:40/mi
10K
47:44
6.21 mi
Rank: #14455 (-296)
5K → 10K
23:57 | 7:43/mi
15K
1:11:31
9.32 mi
Rank: #14304 (+151)
10K → 15K
23:47 | 7:40/mi
20K
1:35:18
12.43 mi
Rank: #14027 (+277)
15K → 20K
23:47 | 7:40/mi
HALF
1:40:28
13.11 mi
Rank: #14000 (+27)
20K → HALF
5:10 | 7:35/mi
25K
1:59:03
15.53 mi
Rank: #13758 (+242)
HALF → 25K
18:35 | 7:40/mi
30K
2:22:30
18.64 mi
Rank: #13072 (+686)
25K → 30K
23:27 | 7:33/mi
20M
2:32:29
20.00 mi
Rank: #12678 (+394)
30K → 20M
9:59 | 7:21/mi
21M
2:39:52
21.00 mi
Rank: #12268 (+410)
20M → 21M
7:23 | 7:23/mi
35K
2:45:10
21.75 mi
Rank: #12079 (+189)
21M → 35K
5:18 | 7:06/mi
23M
2:54:09
23.00 mi
Rank: #11677 (+402)
35K → 23M
8:59 | 7:11/mi
24M
3:01:10
24.00 mi
Rank: #11378 (+299)
23M → 24M
7:01 | 7:01/mi
40K
3:07:13
24.85 mi
Rank: #11125 (+253)
24M → 40K
6:03 | 7:05/mi
25.2M
3:09:55
25.20 mi
Rank: #11040 (+85)
40K → 25.2M
2:42 | 7:50/mi
FINISH
3:16:44
26.22 mi
Rank: #10773 (+267)
25.2M → FINISH
6:49 | 6:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:40:28
Pace7:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:0423:477:4023:47
7:40
-
10K
6.21 mi11:29:0147:447:4123:57
7:43
+0:03
15K
9.32 mi11:52:481:11:317:4123:47
7:40
-0:03
20K
12.43 mi12:16:351:35:187:4123:47
7:40
0:00
HALF
13.11 mi12:21:451:40:287:405:10
7:35
-0:05
25K
15.53 mi12:40:201:59:037:4018:35
7:40
+0:05
30K
18.64 mi13:03:472:22:307:3923:27
7:33
-0:07
20M
20.00 mi13:13:462:32:297:389:59
7:21
-0:12
21M
21.00 mi13:21:092:39:527:377:23
7:23
+0:02
35K
21.75 mi13:26:272:45:107:365:18
7:06
-0:17
23M
23.00 mi13:35:262:54:097:358:59
7:11
+0:05
24M
24.00 mi13:42:273:01:107:337:01
7:01
-0:10
40K
24.85 mi13:48:303:07:137:326:03
7:05
+0:04
25.2M
25.20 mi13:51:123:09:557:332:42
7:50
+0:45
FINISH
26.22 mi13:58:013:16:447:316:49
6:42
-1:08

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

6:42 /mi

Average Pace

7:31 /mi

Slowest Pace

7:50 /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

44:09

22% of race

Time at Steady Pace

2:32:35

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi11:05:0423:477:4023:47
7:40
#14159
10K
6.21 mi11:29:0147:447:4123:57
7:43
#14455
15K
9.32 mi11:52:481:11:317:4123:47
7:40
#14304
20K
12.43 mi12:16:351:35:187:4123:47
7:40
#14027
HALF
13.11 mi12:21:451:40:287:405:10
7:35
#14000
25K
15.53 mi12:40:201:59:037:4018:35
7:40
#13758
30K
18.64 mi13:03:472:22:307:3923:27
7:33
#13072
20M
20.00 mi13:13:462:32:297:389:59
7:21
#12678
21M
21.00 mi13:21:092:39:527:377:23
7:23
#12268
35K
21.75 mi13:26:272:45:107:365:18
7:06
#12079
23M
23.00 mi13:35:262:54:097:358:59
7:11
#11677
24M
24.00 mi13:42:273:01:107:337:01
7:01
#11378
40K
24.85 mi13:48:303:07:137:326:03
7:05
#11125
25.2M
25.20 mi13:51:123:09:557:332:42
7:50
#11040
FINISH
26.22 mi13:58:013:16:447:316:49
6:42
#10773
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 mi141594163416314150(Top 49%)4216(Top 34%)4216(Top 74%)
10K6.21 mi3.10 mi14455-2964363-2004363-20014842(Top 51%)4595(Top 37%)4595(Top 80%)
15K9.32 mi3.11 mi14304+1514304+594304+5914150(Top 49%)4216(Top 34%)4216(Top 74%)
20K12.43 mi3.11 mi14027+2774158+1464158+14613318(Top 46%)3828(Top 30%)3828(Top 67%)
HALF13.11 mi0.68 mi14000+274144+144144+1413647(Top 47%)3918(Top 31%)3918(Top 69%)
25K15.53 mi2.42 mi13758+2424026+1184026+11812737(Top 44%)3563(Top 28%)3563(Top 62%)
30K18.64 mi3.11 mi13072+6863684+3423684+34210053(Top 35%)2293(Top 18%)2293(Top 40%)
20M20.00 mi1.36 mi12678+3943502+1823502+1828083(Top 28%)1526(Top 12%)1526(Top 27%)
21M21.00 mi1.00 mi12268+4103276+2263276+2265803(Top 20%)815(Top 6%)815(Top 14%)
35K21.75 mi0.75 mi12079+1893179+973179+977800(Top 27%)1481(Top 12%)1481(Top 26%)
23M23.00 mi1.25 mi11677+4022988+1912988+1916667(Top 23%)1119(Top 9%)1119(Top 20%)
24M24.00 mi1.00 mi11378+2992844+1442844+1446633(Top 23%)1176(Top 9%)1176(Top 21%)
40K24.85 mi0.85 mi11125+2532745+992745+996031(Top 21%)1017(Top 8%)1017(Top 18%)
25.2M25.20 mi0.35 mi11040+852711+342711+347369(Top 25%)1607(Top 13%)1607(Top 28%)
FINISH26.22 mi1.02 mi10773+2672605+1062605+1065436(Top 19%)929(Top 7%)929(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14150

Females

4216

F18-39

4216

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14842

Females

4595

F18-39

4595

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14150

Females

4216

F18-39

4216

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13318

Females

3828

F18-39

3828

20K→HALF

12.4 - 13.1 mi

Top 47%
×2
+19ft-37ft

Overall

13647

Females

3918

F18-39

3918

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12737

Females

3563

F18-39

3563

25K→30K

15.5 - 18.6 mi

Top 35%
×9
+181ft-148ft

Overall

10053

Females

2293

F18-39

2293

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8083

Females

1526

F18-39

1526

20M→21M

20.0 - 21.0 mi

Top 20%
×8
+106ft-24ft

Overall

5803

Females

815

F18-39

815

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7800

Females

1481

F18-39

1481

35K→23M

21.8 - 23.0 mi

Top 23%
×5
+23ft-63ft

Overall

6667

Females

1119

F18-39

1119

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6633

Females

1176

F18-39

1176

24M→40K

24.0 - 24.9 mi

Top 21%
×1
+6ft-20ft

Overall

6031

Females

1017

F18-39

1017

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1
+13ft-16ft

Overall

7369

Females

1607

F18-39

1607

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5436

Females

929

F18-39

929

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4093
Passed By
707
Net Change
+3386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14159
5K → 10K174470-296#14159#14455
10K → 15K281130+151#14455#14304
15K → 20K32144+277#14304#14027
20K → HALF5629+27#14027#14000
HALF → 25K26826+242#14000#13758
25K → 30K6882+686#13758#13072
30K → 20M3940+394#13072#12678
20M → 21M4111+410#12678#12268
21M → 35K1890+189#12268#12079
35K → 23M4020+402#12079#11677
23M → 24M3001+299#11677#11378
24M → 40K2541+253#11378#11125
40K → 25.2M872+85#11125#11040
25.2M → FINISH2681+267#11040#10773
TOTALS4093707+3386
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing