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BOSTON MARATHON 2026

Kate Semple

Bib: 20342•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Masters (Masters Women)
#0 / 6862
Top 27%
Age Group (F50-54)
#0 / 1233
Top 21%
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
25:33
3.11 mi
Rank: #18376
Start → 5K
25:33 | 8:14/mi
10K
50:25
6.21 mi
Rank: #17857 (+519)
5K → 10K
24:52 | 8:01/mi
15K
1:14:46
9.32 mi
Rank: #17225 (+632)
10K → 15K
24:21 | 7:51/mi
20K
1:38:41
12.43 mi
Rank: #16368 (+857)
15K → 20K
23:55 | 7:42/mi
HALF
1:43:56
13.11 mi
Rank: #16268 (+100)
20K → HALF
5:15 | 7:43/mi
25K
2:02:41
15.53 mi
Rank: #15753 (+515)
HALF → 25K
18:45 | 7:44/mi
30K
2:27:46
18.64 mi
Rank: #15408 (+345)
25K → 30K
25:05 | 8:05/mi
20M
2:39:01
20.00 mi
Rank: #15353 (+55)
30K → 20M
11:15 | 8:17/mi
21M
2:48:27
21.00 mi
Rank: #15529 (-176)
20M → 21M
9:26 | 9:26/mi
35K
2:54:19
21.75 mi
Rank: #15420 (+109)
21M → 35K
5:52 | 7:51/mi
23M
3:04:58
23.00 mi
Rank: #15455 (-35)
35K → 23M
10:39 | 8:31/mi
24M
3:12:58
24.00 mi
Rank: #15376 (+79)
23M → 24M
8:00 | 8:00/mi
40K
3:20:21
24.85 mi
Rank: #15413 (-37)
24M → 40K
7:23 | 8:39/mi
25.2M
3:23:32
25.20 mi
Rank: #15406 (+7)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:32:08
26.22 mi
Rank: #15542 (-136)
25.2M → FINISH
8:36 | 8:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:56
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:48:12
Pace8:16 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:3025:338:1425:33
8:14
-
10K
6.21 mi11:35:2250:258:0724:52
8:01
-0:13
15K
9.32 mi11:59:431:14:468:0224:21
7:51
-0:10
20K
12.43 mi12:23:381:38:417:5723:55
7:42
-0:09
HALF
13.11 mi12:28:531:43:567:565:15
7:43
+0:01
25K
15.53 mi12:47:382:02:417:5418:45
7:44
+0:01
30K
18.64 mi13:12:432:27:467:5625:05
8:05
+0:21
20M
20.00 mi13:23:582:39:017:5811:15
8:17
+0:12
21M
21.00 mi13:33:242:48:278:029:26
9:26
+1:09
35K
21.75 mi13:39:162:54:198:015:52
7:51
-1:35
23M
23.00 mi13:49:553:04:588:0310:39
8:31
+0:40
24M
24.00 mi13:57:553:12:588:038:00
8:00
-0:31
40K
24.85 mi14:05:183:20:218:047:23
8:39
+0:39
25.2M
25.20 mi14:08:293:23:328:053:11
9:14
+0:35
FINISH
26.22 mi14:17:053:32:088:068:36
8:27
-0:47

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

7:42 /mi

Average Pace

8:06 /mi

Slowest Pace

9:26 /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

47:55

23% of race

Time at Steady Pace

2:04:58

59% of race

Time at Slower Pace

39:15

19% of race

Average Pace: 8:05 /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 mi11:10:3025:338:1425:33
8:14
#18376
10K
6.21 mi11:35:2250:258:0724:52
8:01
#17857
15K
9.32 mi11:59:431:14:468:0224:21
7:51
#17225
20K
12.43 mi12:23:381:38:417:5723:55
7:42
#16368
HALF
13.11 mi12:28:531:43:567:565:15
7:43
#16268
25K
15.53 mi12:47:382:02:417:5418:45
7:44
#15753
30K
18.64 mi13:12:432:27:467:5625:05
8:05
#15408
20M
20.00 mi13:23:582:39:017:5811:15
8:17
#15353
21M
21.00 mi13:33:242:48:278:029:26
9:26
#15529
35K
21.75 mi13:39:162:54:198:015:52
7:51
#15420
23M
23.00 mi13:49:553:04:588:0310:39
8:31
#15455
24M
24.00 mi13:57:553:12:588:038:00
8:00
#15376
40K
24.85 mi14:05:183:20:218:047:23
8:39
#15413
25.2M
25.20 mi14:08:293:23:328:053:11
9:14
#15406
FINISH
26.22 mi14:17:053:32:088:068:36
8:27
#15542
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi183766722672215674(Top 54%)5155(Top 41%)5155(Top 418%)
10K6.21 mi3.10 mi17857+5196409+3136409+31317270(Top 60%)6069(Top 48%)6069(Top 492%)
15K9.32 mi3.11 mi17225+6326061+3486061+34815674(Top 54%)5155(Top 41%)5155(Top 418%)
20K12.43 mi3.11 mi16368+8575561+5005561+50013728(Top 47%)4064(Top 32%)4064(Top 330%)
HALF13.11 mi0.68 mi16268+1005514+475514+4714837(Top 51%)4639(Top 37%)4639(Top 376%)
25K15.53 mi2.42 mi15753+5155220+2945220+29413326(Top 46%)3920(Top 31%)3920(Top 318%)
30K18.64 mi3.11 mi15408+3455048+1725048+17214053(Top 48%)4435(Top 35%)4435(Top 360%)
20M20.00 mi1.36 mi15353+555034+145034+1414839(Top 51%)4961(Top 39%)4961(Top 402%)
21M21.00 mi1.00 mi15529-1765157-1235157-12318218(Top 63%)6892(Top 55%)6892(Top 559%)
35K21.75 mi0.75 mi15420+1095113+445113+4413437(Top 46%)4348(Top 35%)4348(Top 353%)
23M23.00 mi1.25 mi15455-355167-545167-5415789(Top 54%)5720(Top 45%)5720(Top 464%)
24M24.00 mi1.00 mi15376+795138+295138+2913820(Top 48%)4696(Top 37%)4696(Top 381%)
40K24.85 mi0.85 mi15413-375181-435181-4316491(Top 57%)6241(Top 50%)6241(Top 506%)
25.2M25.20 mi0.35 mi15406+75185-45185-415993(Top 55%)5947(Top 47%)5947(Top 482%)
FINISH26.22 mi1.02 mi15542-1365280-955280-9517841(Top 61%)6959(Top 55%)6959(Top 564%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15674

Females

5155

F50-54

5155

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17270

Females

6069

F50-54

6069

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15674

Females

5155

F50-54

5155

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13728

Females

4064

F50-54

4064

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14837

Females

4639

F50-54

4639

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13326

Females

3920

F50-54

3920

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

14053

Females

4435

F50-54

4435

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14839

Females

4961

F50-54

4961

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18218

Females

6892

F50-54

6892

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13437

Females

4348

F50-54

4348

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15789

Females

5720

F50-54

5720

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

13820

Females

4696

F50-54

4696

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16491

Females

6241

F50-54

6241

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

15993

Females

5947

F50-54

5947

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17841

Females

6959

F50-54

6959

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3747*
Passed By
880
Net Change
+2834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18376
5K → 10K622*103+519#18376#17857
10K → 15K651*19+632#17857#17225
15K → 20K864*7+857#17225#16368
20K → HALF1033+100#16368#16268
HALF → 25K517*2+515#16268#15753
25K → 30K389*44+345#15753#15408
30K → 20M11964+55#15408#15353
20M → 21M57200-176#15353#15529
21M → 35K12314+109#15529#15420
35K → 23M84119-35#15420#15455
23M → 24M11031+79#15455#15376
24M → 40K5895-37#15376#15413
40K → 25.2M3427+7#15413#15406
25.2M → FINISH16152-136#15406#15542
TOTALS3747*880+2834

* 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

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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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing