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BOSTON MARATHON 2026

Katelyn Lee

Bib: 20589•F

NC

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 48%
Age Group (F40-44)
#0 / 1737
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
25:45
3.11 mi
Rank: #18803
Start → 5K
25:45 | 8:18/mi
10K
51:04
6.21 mi
Rank: #18519 (+284)
5K → 10K
25:19 | 8:09/mi
15K
1:16:49
9.32 mi
Rank: #18652 (-133)
10K → 15K
25:45 | 8:18/mi
20K
1:43:23
12.43 mi
Rank: #18880 (-228)
15K → 20K
26:34 | 8:34/mi
HALF
1:49:18
13.11 mi
Rank: #19015 (-135)
20K → HALF
5:55 | 8:41/mi
25K
2:10:13
15.53 mi
Rank: #19066 (-51)
HALF → 25K
20:55 | 8:38/mi
30K
2:38:25
18.64 mi
Rank: #19189 (-123)
25K → 30K
28:12 | 9:05/mi
20M
2:51:08
20.00 mi
Rank: #19319 (-130)
30K → 20M
12:43 | 9:22/mi
21M
3:00:48
21.00 mi
Rank: #19297 (+22)
20M → 21M
9:40 | 9:40/mi
35K
3:07:20
21.75 mi
Rank: #19276 (+21)
21M → 35K
6:32 | 8:44/mi
23M
3:18:54
23.00 mi
Rank: #19314 (-38)
35K → 23M
11:34 | 9:15/mi
24M
3:27:17
24.00 mi
Rank: #19176 (+138)
23M → 24M
8:23 | 8:23/mi
40K
3:34:32
24.85 mi
Rank: #19036 (+140)
24M → 40K
7:15 | 8:29/mi
25.2M
3:37:44
25.20 mi
Rank: #18979 (+57)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:46:20
26.22 mi
Rank: #18936 (+43)
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
Time1:49:18
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:57:02
Pace8:56 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:1525:458:1825:45
8:18
-
10K
6.21 mi11:36:3451:048:1425:19
8:09
-0:09
15K
9.32 mi12:02:191:16:498:1525:45
8:18
+0:09
20K
12.43 mi12:28:531:43:238:2026:34
8:34
+0:16
HALF
13.11 mi12:34:481:49:188:215:55
8:41
+0:07
25K
15.53 mi12:55:432:10:138:2320:55
8:38
-0:03
30K
18.64 mi13:23:552:38:258:3028:12
9:05
+0:27
20M
20.00 mi13:36:382:51:088:3412:43
9:22
+0:17
21M
21.00 mi13:46:183:00:488:379:40
9:40
+0:18
35K
21.75 mi13:52:503:07:208:376:32
8:44
-0:56
23M
23.00 mi14:04:243:18:548:3911:34
9:15
+0:31
24M
24.00 mi14:12:473:27:178:398:23
8:23
-0:52
40K
24.85 mi14:20:023:34:328:387:15
8:29
+0:06
25.2M
25.20 mi14:23:143:37:448:393:12
9:17
+0:48
FINISH
26.22 mi14:31:503:46:208:398:36
8:27
-0:50

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

8:09 /mi

Average Pace

8:38 /mi

Slowest Pace

9:40 /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

2:40:59

71% of race

Time at Steady Pace

55:41

25% of race

Time at Slower Pace

9:40

4% of race

Average Pace: 8:38 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:1525:458:1825:45
8:18
#18803
10K
6.21 mi11:36:3451:048:1425:19
8:09
#18519
15K
9.32 mi12:02:191:16:498:1525:45
8:18
#18652
20K
12.43 mi12:28:531:43:238:2026:34
8:34
#18880
HALF
13.11 mi12:34:481:49:188:215:55
8:41
#19015
25K
15.53 mi12:55:432:10:138:2320:55
8:38
#19066
30K
18.64 mi13:23:552:38:258:3028:12
9:05
#19189
20M
20.00 mi13:36:382:51:088:3412:43
9:22
#19319
21M
21.00 mi13:46:183:00:488:379:40
9:40
#19297
35K
21.75 mi13:52:503:07:208:376:32
8:44
#19276
23M
23.00 mi14:04:243:18:548:3911:34
9:15
#19314
24M
24.00 mi14:12:473:27:178:398:23
8:23
#19176
40K
24.85 mi14:20:023:34:328:387:15
8:29
#19036
25.2M
25.20 mi14:23:143:37:448:393:12
9:17
#18979
FINISH
26.22 mi14:31:503:46:208:398:36
8:27
#18936
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi188036976697618922(Top 65%)6995(Top 56%)6995(Top 403%)
10K6.21 mi3.10 mi18519+2846789+1876789+18718286(Top 63%)6630(Top 53%)6630(Top 382%)
15K9.32 mi3.11 mi18652-1336847-586847-5818922(Top 65%)6995(Top 56%)6995(Top 403%)
20K12.43 mi3.11 mi18880-2286991-1446991-14419610(Top 68%)7414(Top 59%)7414(Top 427%)
HALF13.11 mi0.68 mi19015-1357069-787069-7821219(Top 73%)8218(Top 65%)8218(Top 473%)
25K15.53 mi2.42 mi19066-517107-387107-3819329(Top 67%)7311(Top 58%)7311(Top 421%)
30K18.64 mi3.11 mi19189-1237216-1097216-10919962(Top 69%)7717(Top 61%)7717(Top 444%)
20M20.00 mi1.36 mi19319-1307303-877303-8720513(Top 71%)8086(Top 64%)8086(Top 466%)
21M21.00 mi1.00 mi19297+227298+57298+519262(Top 66%)7460(Top 59%)7460(Top 429%)
35K21.75 mi0.75 mi19276+217295+37295+318808(Top 65%)7319(Top 58%)7319(Top 421%)
23M23.00 mi1.25 mi19314-387347-527347-5219612(Top 68%)7792(Top 62%)7792(Top 449%)
24M24.00 mi1.00 mi19176+1387295+527295+5216261(Top 56%)6061(Top 48%)6061(Top 349%)
40K24.85 mi0.85 mi19036+1407235+607235+6015607(Top 54%)5753(Top 46%)5753(Top 331%)
25.2M25.20 mi0.35 mi18979+577207+287207+2816326(Top 56%)6162(Top 49%)6162(Top 355%)
FINISH26.22 mi1.02 mi18936+437194+137194+1317864(Top 62%)6982(Top 56%)6982(Top 402%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21
+97ft-345ft

Overall

18922

Females

6995

F40-44

6995

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18286

Females

6630

F40-44

6630

10K→15K

6.2 - 9.3 mi

Top 65%
×3
+67ft-78ft

Overall

18922

Females

6995

F40-44

6995

15K→20K

9.3 - 12.4 mi

Top 68%
×5
+106ft-86ft

Overall

19610

Females

7414

F40-44

7414

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21219

Females

8218

F40-44

8218

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19329

Females

7311

F40-44

7311

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

19962

Females

7717

F40-44

7717

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20513

Females

8086

F40-44

8086

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19262

Females

7460

F40-44

7460

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18808

Females

7319

F40-44

7319

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19612

Females

7792

F40-44

7792

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16261

Females

6061

F40-44

6061

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15607

Females

5753

F40-44

5753

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16326

Females

6162

F40-44

6162

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

17864

Females

6982

F40-44

6982

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1645*
Passed By
1534
Net Change
-133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18803
5K → 10K442*158+284#18803#18519
10K → 15K114200-133#18519#18652
15K → 20K88200-228#18652#18880
20K → HALF11146-135#18880#19015
HALF → 25K103154-51#19015#19066
25K → 30K158200-123#19066#19189
30K → 20M62192-130#19189#19319
20M → 21M8664+22#19319#19297
21M → 35K7150+21#19297#19276
35K → 23M71109-38#19276#19314
23M → 24M1468+138#19314#19176
24M → 40K1455+140#19176#19036
40K → 25.2M669+57#19036#18979
25.2M → FINISH8239+43#18979#18936
TOTALS1645*1534-133

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing