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BOSTON MARATHON 2026

Karen Cathell

Bib: 11811•F

MD

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F45-49)
#0 / 1786
Top 40%
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
25:08
3.11 mi
Rank: #17552
Start → 5K
25:08 | 8:06/mi
10K
50:03
6.21 mi
Rank: #17483 (+69)
5K → 10K
24:55 | 8:02/mi
15K
1:14:42
9.32 mi
Rank: #17174 (+309)
10K → 15K
24:39 | 7:57/mi
20K
1:39:51
12.43 mi
Rank: #17060 (+114)
15K → 20K
25:09 | 8:06/mi
HALF
1:45:21
13.11 mi
Rank: #17092 (-32)
20K → HALF
5:30 | 8:05/mi
25K
2:04:59
15.53 mi
Rank: #16907 (+185)
HALF → 25K
19:38 | 8:06/mi
30K
2:30:55
18.64 mi
Rank: #16685 (+222)
25K → 30K
25:56 | 8:21/mi
20M
2:42:16
20.00 mi
Rank: #16567 (+118)
30K → 20M
11:21 | 8:22/mi
21M
2:51:13
21.00 mi
Rank: #16485 (+82)
20M → 21M
8:57 | 8:57/mi
35K
2:57:18
21.75 mi
Rank: #16415 (+70)
21M → 35K
6:05 | 8:08/mi
23M
3:07:56
23.00 mi
Rank: #16340 (+75)
35K → 23M
10:38 | 8:30/mi
24M
3:16:14
24.00 mi
Rank: #16285 (+55)
23M → 24M
8:18 | 8:18/mi
40K
3:23:36
24.85 mi
Rank: #16274 (+11)
24M → 40K
7:22 | 8:37/mi
25.2M
3:26:52
25.20 mi
Rank: #16282 (-8)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:35:28
26.22 mi
Rank: #16344 (-62)
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
Time1:45:21
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:5525:088:0625:08
8:06
-
10K
6.21 mi11:09:5050:038:0424:55
8:02
-0:04
15K
9.32 mi11:34:291:14:428:0124:39
7:57
-0:05
20K
12.43 mi11:59:381:39:518:0325:09
8:06
+0:09
HALF
13.11 mi12:05:081:45:218:035:30
8:05
-0:01
25K
15.53 mi12:24:462:04:598:0319:38
8:06
+0:01
30K
18.64 mi12:50:422:30:558:0625:56
8:21
+0:15
20M
20.00 mi13:02:032:42:168:0711:21
8:22
+0:01
21M
21.00 mi13:11:002:51:138:108:57
8:57
+0:35
35K
21.75 mi13:17:052:57:188:106:05
8:08
-0:49
23M
23.00 mi13:27:433:07:568:1110:38
8:30
+0:22
24M
24.00 mi13:36:013:16:148:118:18
8:18
-0:12
40K
24.85 mi13:43:233:23:368:127:22
8:37
+0:19
25.2M
25.20 mi13:46:393:26:528:133:16
9:29
+0:52
FINISH
26.22 mi13:55:153:35:288:148:36
8:27
-1:02

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

7:57 /mi

Average Pace

8:13 /mi

Slowest Pace

9:29 /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

3:23:15

94% of race

Time at Steady Pace

8:57

4% of race

Time at Slower Pace

3:16

2% of race

Average Pace: 8:13 /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 mi10:44:5525:088:0625:08
8:06
#17552
10K
6.21 mi11:09:5050:038:0424:55
8:02
#17483
15K
9.32 mi11:34:291:14:428:0124:39
7:57
#17174
20K
12.43 mi11:59:381:39:518:0325:09
8:06
#17060
HALF
13.11 mi12:05:081:45:218:035:30
8:05
#17092
25K
15.53 mi12:24:462:04:598:0319:38
8:06
#16907
30K
18.64 mi12:50:422:30:558:0625:56
8:21
#16685
20M
20.00 mi13:02:032:42:168:0711:21
8:22
#16567
21M
21.00 mi13:11:002:51:138:108:57
8:57
#16485
35K
21.75 mi13:17:052:57:188:106:05
8:08
#16415
23M
23.00 mi13:27:433:07:568:1110:38
8:30
#16340
24M
24.00 mi13:36:013:16:148:118:18
8:18
#16285
40K
24.85 mi13:43:233:23:368:127:22
8:37
#16274
25.2M
25.20 mi13:46:393:26:528:133:16
9:29
#16282
FINISH
26.22 mi13:55:153:35:288:148:36
8:27
#16344
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi175526245624516492(Top 57%)5616(Top 45%)5616(Top 314%)
10K6.21 mi3.10 mi17483+696201+446201+4417401(Top 60%)6145(Top 49%)6145(Top 344%)
15K9.32 mi3.11 mi17174+3096032+1696032+16916492(Top 57%)5616(Top 45%)5616(Top 314%)
20K12.43 mi3.11 mi17060+1145966+665966+6616832(Top 58%)5838(Top 46%)5838(Top 327%)
HALF13.11 mi0.68 mi17092-325987-215987-2117602(Top 61%)6249(Top 50%)6249(Top 350%)
25K15.53 mi2.42 mi16907+1855886+1015886+10116109(Top 56%)5494(Top 44%)5494(Top 308%)
30K18.64 mi3.11 mi16685+2225801+855801+8515943(Top 55%)5488(Top 44%)5488(Top 307%)
20M20.00 mi1.36 mi16567+1185748+535748+5315293(Top 53%)5247(Top 42%)5247(Top 294%)
21M21.00 mi1.00 mi16485+825709+395709+3915888(Top 55%)5623(Top 45%)5623(Top 315%)
35K21.75 mi0.75 mi16415+705681+285681+2815413(Top 53%)5421(Top 43%)5421(Top 304%)
23M23.00 mi1.25 mi16340+755664+175664+1715720(Top 54%)5682(Top 45%)5682(Top 318%)
24M24.00 mi1.00 mi16285+555665-15665-115710(Top 54%)5735(Top 46%)5735(Top 321%)
40K24.85 mi0.85 mi16274+115676-115676-1116404(Top 57%)6195(Top 49%)6195(Top 347%)
25.2M25.20 mi0.35 mi16282-85693-175693-1717221(Top 59%)6620(Top 53%)6620(Top 371%)
FINISH26.22 mi1.02 mi16344-625749-565749-5617848(Top 62%)6966(Top 55%)6966(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16492

Females

5616

F45-49

5616

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17401

Females

6145

F45-49

6145

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16492

Females

5616

F45-49

5616

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16832

Females

5838

F45-49

5838

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17602

Females

6249

F45-49

6249

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16109

Females

5494

F45-49

5494

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15943

Females

5488

F45-49

5488

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15293

Females

5247

F45-49

5247

20M→21M

20.0 - 21.0 mi

Top 55%
×8
+106ft-24ft

Overall

15888

Females

5623

F45-49

5623

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15413

Females

5421

F45-49

5421

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15720

Females

5682

F45-49

5682

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15710

Females

5735

F45-49

5735

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16404

Females

6195

F45-49

6195

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17221

Females

6620

F45-49

6620

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

17848

Females

6966

F45-49

6966

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2214
Passed By
1006
Net Change
+1208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17552
5K → 10K294225+69#17552#17483
10K → 15K38273+309#17483#17174
15K → 20K230116+114#17174#17060
20K → HALF2557-32#17060#17092
HALF → 25K23146+185#17092#16907
25K → 30K30583+222#16907#16685
30K → 20M14325+118#16685#16567
20M → 21M13755+82#16567#16485
21M → 35K9727+70#16485#16415
35K → 23M13257+75#16415#16340
23M → 24M9742+55#16340#16285
24M → 40K7463+11#16285#16274
40K → 25.2M2331-8#16274#16282
25.2M → FINISH44106-62#16282#16344
TOTALS22141006+1208
📊

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