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BOSTON MARATHON 2026

Shu-Ling Chen

Bib: 24961•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 (F55-59)
#0 / 951
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
29:18
3.11 mi
Rank: #24266
Start → 5K
29:18 | 9:26/mi
10K
58:09
6.21 mi
Rank: #24106 (+160)
5K → 10K
28:51 | 9:18/mi
15K
1:29:03
9.32 mi
Rank: #24653 (-547)
10K → 15K
30:54 | 9:57/mi
20K
1:58:26
12.43 mi
Rank: #24406 (+247)
15K → 20K
29:23 | 9:28/mi
HALF
2:04:49
13.11 mi
Rank: #24385 (+21)
20K → HALF
6:23 | 9:22/mi
25K
2:28:00
15.53 mi
Rank: #24182 (+203)
HALF → 25K
23:11 | 9:34/mi
30K
2:59:18
18.64 mi
Rank: #23968 (+214)
25K → 30K
31:18 | 10:05/mi
20M
3:13:04
20.00 mi
Rank: #23877 (+91)
30K → 20M
13:46 | 10:09/mi
21M
3:23:51
21.00 mi
Rank: #23782 (+95)
20M → 21M
10:47 | 10:47/mi
35K
3:31:13
21.75 mi
Rank: #23738 (+44)
21M → 35K
7:22 | 9:51/mi
23M
3:43:46
23.00 mi
Rank: #23639 (+99)
35K → 23M
12:33 | 10:02/mi
24M
3:54:18
24.00 mi
Rank: #23669 (-30)
23M → 24M
10:32 | 10:32/mi
40K
4:03:21
24.85 mi
Rank: #23630 (+39)
24M → 40K
9:03 | 10:36/mi
25.2M
4:06:57
25.20 mi
Rank: #23575 (+55)
40K → 25.2M
3:36 | 10:27/mi
FINISH
4:16:36
26.22 mi
Rank: #23510 (+65)
25.2M → FINISH
9:39 | 9:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:49
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:11:47
Pace10:04 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3329:189:2629:18
9:26
-
10K
6.21 mi12:19:2458:099:2228:51
9:18
-0:08
15K
9.32 mi12:50:181:29:039:3430:54
9:57
+0:39
20K
12.43 mi13:19:411:58:269:3229:23
9:28
-0:29
HALF
13.11 mi13:26:042:04:499:326:23
9:22
-0:06
25K
15.53 mi13:49:152:28:009:3223:11
9:34
+0:12
30K
18.64 mi14:20:332:59:189:3831:18
10:05
+0:31
20M
20.00 mi14:34:193:13:049:4013:46
10:09
+0:04
21M
21.00 mi14:45:063:23:519:4310:47
10:47
+0:38
35K
21.75 mi14:52:283:31:139:437:22
9:51
-0:56
23M
23.00 mi15:05:013:43:469:4412:33
10:02
+0:11
24M
24.00 mi15:15:333:54:189:4610:32
10:32
+0:30
40K
24.85 mi15:24:364:03:219:489:03
10:36
+0:04
25.2M
25.20 mi15:28:124:06:579:483:36
10:27
-0:09
FINISH
26.22 mi15:37:514:16:369:489:39
9:29
-0:58

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

9:18 /mi

Average Pace

9:48 /mi

Slowest Pace

10:47 /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

3:42:38

87% of race

Time at Steady Pace

33:58

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:47 /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 mi11:50:3329:189:2629:18
9:26
#24266
10K
6.21 mi12:19:2458:099:2228:51
9:18
#24106
15K
9.32 mi12:50:181:29:039:3430:54
9:57
#24653
20K
12.43 mi13:19:411:58:269:3229:23
9:28
#24406
HALF
13.11 mi13:26:042:04:499:326:23
9:22
#24385
25K
15.53 mi13:49:152:28:009:3223:11
9:34
#24182
30K
18.64 mi14:20:332:59:189:3831:18
10:05
#23968
20M
20.00 mi14:34:193:13:049:4013:46
10:09
#23877
21M
21.00 mi14:45:063:23:519:4310:47
10:47
#23782
35K
21.75 mi14:52:283:31:139:437:22
9:51
#23738
23M
23.00 mi15:05:013:43:469:4412:33
10:02
#23639
24M
24.00 mi15:15:333:54:189:4610:32
10:32
#23669
40K
24.85 mi15:24:364:03:219:489:03
10:36
#23630
25.2M
25.20 mi15:28:124:06:579:483:36
10:27
#23575
FINISH
26.22 mi15:37:514:16:369:489:39
9:29
#23510
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi242669802980225552(Top 88%)10469(Top 83%)10469(Top 1101%)
10K6.21 mi3.10 mi24106+1609707+959707+9523927(Top 82%)9624(Top 77%)9624(Top 1012%)
15K9.32 mi3.11 mi24653-5479990-2839990-28325552(Top 88%)10469(Top 83%)10469(Top 1101%)
20K12.43 mi3.11 mi24406+2479865+1259865+12523633(Top 81%)9512(Top 76%)9512(Top 1000%)
HALF13.11 mi0.68 mi24385+219858+79858+724008(Top 83%)9694(Top 77%)9694(Top 1019%)
25K15.53 mi2.42 mi24182+2039768+909768+9023206(Top 80%)9305(Top 74%)9305(Top 978%)
30K18.64 mi3.11 mi23968+2149678+909678+9023330(Top 80%)9468(Top 75%)9468(Top 996%)
20M20.00 mi1.36 mi23877+919645+339645+3322923(Top 79%)9335(Top 74%)9335(Top 982%)
21M21.00 mi1.00 mi23782+959607+389607+3822651(Top 78%)9234(Top 73%)9234(Top 971%)
35K21.75 mi0.75 mi23738+449599+89599+822770(Top 78%)9344(Top 74%)9344(Top 983%)
23M23.00 mi1.25 mi23639+999570+299570+2922236(Top 77%)9128(Top 73%)9128(Top 960%)
24M24.00 mi1.00 mi23669-309599-299599-2924182(Top 83%)10172(Top 81%)10172(Top 1070%)
40K24.85 mi0.85 mi23630+399594+59594+523434(Top 81%)9837(Top 78%)9837(Top 1034%)
25.2M25.20 mi0.35 mi23575+559571+239571+2320932(Top 72%)8543(Top 68%)8543(Top 898%)
FINISH26.22 mi1.02 mi23510+659548+239548+2322256(Top 77%)9207(Top 73%)9207(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21
+97ft-345ft

Overall

25552

Females

10469

F55-59

10469

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23927

Females

9624

F55-59

9624

10K→15K

6.2 - 9.3 mi

Top 88%
×3
+67ft-78ft

Overall

25552

Females

10469

F55-59

10469

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23633

Females

9512

F55-59

9512

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

24008

Females

9694

F55-59

9694

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23206

Females

9305

F55-59

9305

25K→30K

15.5 - 18.6 mi

Top 80%
×9
+181ft-148ft

Overall

23330

Females

9468

F55-59

9468

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22923

Females

9335

F55-59

9335

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22651

Females

9234

F55-59

9234

21M→35K

21.0 - 21.8 mi

Top 78%
×7
+17ft-86ft

Overall

22770

Females

9344

F55-59

9344

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22236

Females

9128

F55-59

9128

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

24182

Females

10172

F55-59

10172

24M→40K

24.0 - 24.9 mi

Top 81%
×1
+6ft-20ft

Overall

23434

Females

9837

F55-59

9837

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20932

Females

8543

F55-59

8543

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22256

Females

9207

F55-59

9207

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1786
Passed By
1030
Net Change
+756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24266
5K → 10K299139+160#24266#24106
10K → 15K33580-547#24106#24653
15K → 20K27932+247#24653#24406
20K → HALF3918+21#24406#24385
HALF → 25K21714+203#24385#24182
25K → 30K25642+214#24182#23968
30K → 20M11625+91#23968#23877
20M → 21M12328+95#23877#23782
21M → 35K5814+44#23782#23738
35K → 23M12425+99#23738#23639
23M → 24M2959-30#23639#23669
24M → 40K7233+39#23669#23630
40K → 25.2M550+55#23630#23575
25.2M → FINISH8621+65#23575#23510
TOTALS17861030+756

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📊

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