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BOSTON MARATHON 2026

Karen Chen

Bib: 29716•F

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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
Age Group (F50-54)
#0 / 1233
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
32:20
3.11 mi
Rank: #26988
Start → 5K
32:20 | 10:25/mi
10K
1:04:44
6.21 mi
Rank: #26865 (+123)
5K → 10K
32:24 | 10:26/mi
15K
1:37:05
9.32 mi
Rank: #26718 (+147)
10K → 15K
32:21 | 10:25/mi
20K
2:09:57
12.43 mi
Rank: #26601 (+117)
15K → 20K
32:52 | 10:35/mi
HALF
2:17:07
13.11 mi
Rank: #26588 (+13)
20K → HALF
7:10 | 10:31/mi
25K
2:43:13
15.53 mi
Rank: #26480 (+108)
HALF → 25K
26:06 | 10:46/mi
30K
3:17:33
18.64 mi
Rank: #26316 (+164)
25K → 30K
34:20 | 11:04/mi
20M
3:32:30
20.00 mi
Rank: #26213 (+103)
30K → 20M
14:57 | 11:01/mi
21M
3:43:42
21.00 mi
Rank: #26084 (+129)
20M → 21M
11:12 | 11:12/mi
35K
3:52:07
21.75 mi
Rank: #26065 (+19)
21M → 35K
8:25 | 11:16/mi
23M
4:05:38
23.00 mi
Rank: #25975 (+90)
35K → 23M
13:31 | 10:49/mi
24M
4:16:18
24.00 mi
Rank: #25904 (+71)
23M → 24M
10:40 | 10:40/mi
40K
4:25:28
24.85 mi
Rank: #25819 (+85)
24M → 40K
9:10 | 10:44/mi
25.2M
4:29:40
25.20 mi
Rank: #25807 (+12)
40K → 25.2M
4:12 | 12:11/mi
FINISH
4:40:22
26.22 mi
Rank: #25789 (+18)
25.2M → FINISH
10:42 | 10:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:07
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:23:15
Pace10:56 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0232:2010:2532:20
10:25
-
10K
6.21 mi12:28:261:04:4410:2632:24
10:26
+0:01
15K
9.32 mi13:00:471:37:0510:2532:21
10:25
-0:01
20K
12.43 mi13:33:392:09:5710:2832:52
10:35
+0:10
HALF
13.11 mi13:40:492:17:0710:287:10
10:31
-0:04
25K
15.53 mi14:06:552:43:1310:3126:06
10:46
+0:15
30K
18.64 mi14:41:153:17:3310:3634:20
11:04
+0:18
20M
20.00 mi14:56:123:32:3010:3814:57
11:01
-0:03
21M
21.00 mi15:07:243:43:4210:4011:12
11:12
+0:11
35K
21.75 mi15:15:493:52:0710:418:25
11:16
+0:04
23M
23.00 mi15:29:204:05:3810:4113:31
10:49
-0:27
24M
24.00 mi15:40:004:16:1810:4110:40
10:40
-0:09
40K
24.85 mi15:49:104:25:2810:419:10
10:44
+0:04
25.2M
25.20 mi15:53:224:29:4010:434:12
12:11
+1:27
FINISH
26.22 mi16:04:044:40:2210:4310:42
10:30
-1:41

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

10:25 /mi

Average Pace

10:42 /mi

Slowest Pace

12:11 /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

4:36:10

99% of race

Time at Steady Pace

4:12

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:42 /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 mi11:56:0232:2010:2532:20
10:25
#26988
10K
6.21 mi12:28:261:04:4410:2632:24
10:26
#26865
15K
9.32 mi13:00:471:37:0510:2532:21
10:25
#26718
20K
12.43 mi13:33:392:09:5710:2832:52
10:35
#26601
HALF
13.11 mi13:40:492:17:0710:287:10
10:31
#26588
25K
15.53 mi14:06:552:43:1310:3126:06
10:46
#26480
30K
18.64 mi14:41:153:17:3310:3634:20
11:04
#26316
20M
20.00 mi14:56:123:32:3010:3814:57
11:01
#26213
21M
21.00 mi15:07:243:43:4210:4011:12
11:12
#26084
35K
21.75 mi15:15:493:52:0710:418:25
11:16
#26065
23M
23.00 mi15:29:204:05:3810:4113:31
10:49
#25975
24M
24.00 mi15:40:004:16:1810:4110:40
10:40
#25904
40K
24.85 mi15:49:104:25:2810:419:10
10:44
#25819
25.2M
25.20 mi15:53:224:29:4010:434:12
12:11
#25807
FINISH
26.22 mi16:04:044:40:2210:4310:42
10:30
#25789
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 mi26988112721127226527(Top 91%)11034(Top 88%)11034(Top 895%)
10K6.21 mi3.10 mi26865+12311213+5911213+5926784(Top 92%)11180(Top 89%)11180(Top 907%)
15K9.32 mi3.11 mi26718+14711129+8411129+8426527(Top 91%)11034(Top 88%)11034(Top 895%)
20K12.43 mi3.11 mi26601+11711074+5511074+5526297(Top 91%)10922(Top 87%)10922(Top 886%)
HALF13.11 mi0.68 mi26588+13110741107426704(Top 92%)11181(Top 89%)11181(Top 907%)
25K15.53 mi2.42 mi26480+10811013+6111013+6125949(Top 89%)10759(Top 86%)10759(Top 873%)
30K18.64 mi3.11 mi26316+16410954+5910954+5925433(Top 88%)10594(Top 84%)10594(Top 859%)
20M20.00 mi1.36 mi26213+10310908+4610908+4624947(Top 86%)10413(Top 83%)10413(Top 845%)
21M21.00 mi1.00 mi26084+12910845+6310845+6323571(Top 81%)9736(Top 77%)9736(Top 790%)
35K21.75 mi0.75 mi26065+1910846-110846-125685(Top 89%)10876(Top 86%)10876(Top 882%)
23M23.00 mi1.25 mi25975+9010805+4110805+4124080(Top 83%)10104(Top 80%)10104(Top 819%)
24M24.00 mi1.00 mi25904+7110788+1710788+1724442(Top 84%)10317(Top 82%)10317(Top 837%)
40K24.85 mi0.85 mi25819+8510751+3710751+3723726(Top 82%)9991(Top 79%)9991(Top 810%)
25.2M25.20 mi0.35 mi25807+1210749+210749+224801(Top 85%)10547(Top 84%)10547(Top 855%)
FINISH26.22 mi1.02 mi25789+1810752-310752-325073(Top 86%)10670(Top 85%)10670(Top 865%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21
+97ft-345ft

Overall

26527

Females

11034

F50-54

11034

5K→10K

3.1 - 6.2 mi

Top 92%
×5
+79ft-138ft

Overall

26784

Females

11180

F50-54

11180

10K→15K

6.2 - 9.3 mi

Top 91%
×3
+67ft-78ft

Overall

26527

Females

11034

F50-54

11034

15K→20K

9.3 - 12.4 mi

Top 91%
×5
+106ft-86ft

Overall

26297

Females

10922

F50-54

10922

20K→HALF

12.4 - 13.1 mi

Top 92%
×2
+19ft-37ft

Overall

26704

Females

11181

F50-54

11181

HALF→25K

13.1 - 15.5 mi

Top 89%
×4
+66ft-88ft

Overall

25949

Females

10759

F50-54

10759

25K→30K

15.5 - 18.6 mi

Top 88%
×9
+181ft-148ft

Overall

25433

Females

10594

F50-54

10594

30K→20M

18.6 - 20.0 mi

Top 86%
×5
+64ft-50ft

Overall

24947

Females

10413

F50-54

10413

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23571

Females

9736

F50-54

9736

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25685

Females

10876

F50-54

10876

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24080

Females

10104

F50-54

10104

23M→24M

23.0 - 24.0 mi

Top 84%
×6
+12ft-82ft

Overall

24442

Females

10317

F50-54

10317

24M→40K

24.0 - 24.9 mi

Top 82%
×1
+6ft-20ft

Overall

23726

Females

9991

F50-54

9991

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24801

Females

10547

F50-54

10547

25.2M→FINISH

25.2 - 26.2 mi

Top 86%
×2
+22ft-21ft

Overall

25073

Females

10670

F50-54

10670

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1601*
Passed By
402
Net Change
+1199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26988
5K → 10K242*119+123#26988#26865
10K → 15K206*59+147#26865#26718
15K → 20K17760+117#26718#26601
20K → HALF2714+13#26601#26588
HALF → 25K13325+108#26588#26480
25K → 30K19733+164#26480#26316
30K → 20M11916+103#26316#26213
20M → 21M1345+129#26213#26084
21M → 35K3112+19#26084#26065
35K → 23M10111+90#26065#25975
23M → 24M8514+71#25975#25904
24M → 40K905+85#25904#25819
40K → 25.2M175+12#25819#25807
25.2M → FINISH4224+18#25807#25789
TOTALS1601*402+1199

* 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