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BOSTON MARATHON 2026

Lynn Tuchinda Peng

Bib: 19064•F

CA

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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 (F50-54)
#0 / 1233
Top 26%
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
24:47
3.11 mi
Rank: #16800
Start → 5K
24:47 | 7:59/mi
10K
49:29
6.21 mi
Rank: #16812 (-12)
5K → 10K
24:42 | 7:58/mi
15K
1:14:27
9.32 mi
Rank: #16952 (-140)
10K → 15K
24:58 | 8:03/mi
20K
1:39:30
12.43 mi
Rank: #16846 (+106)
15K → 20K
25:03 | 8:04/mi
HALF
1:45:00
13.11 mi
Rank: #16881 (-35)
20K → HALF
5:30 | 8:05/mi
25K
2:04:46
15.53 mi
Rank: #16815 (+66)
HALF → 25K
19:46 | 8:10/mi
30K
2:31:05
18.64 mi
Rank: #16726 (+89)
25K → 30K
26:19 | 8:29/mi
20M
2:42:27
20.00 mi
Rank: #16633 (+93)
30K → 20M
11:22 | 8:23/mi
21M
2:51:20
21.00 mi
Rank: #16522 (+111)
20M → 21M
8:53 | 8:53/mi
35K
2:57:38
21.75 mi
Rank: #16526 (-4)
21M → 35K
6:18 | 8:26/mi
23M
3:08:05
23.00 mi
Rank: #16382 (+144)
35K → 23M
10:27 | 8:22/mi
24M
3:16:35
24.00 mi
Rank: #16402 (-20)
23M → 24M
8:30 | 8:30/mi
40K
3:24:00
24.85 mi
Rank: #16378 (+24)
24M → 40K
7:25 | 8:41/mi
25.2M
3:27:14
25.20 mi
Rank: #16382 (-4)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:35:28
26.22 mi
Rank: #16345 (+37)
25.2M → FINISH
8:14 | 8:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0024:477:5924:47
7:59
-
10K
6.21 mi11:32:4249:297:5824:42
7:58
-0:01
15K
9.32 mi11:57:401:14:278:0024:58
8:03
+0:05
20K
12.43 mi12:22:431:39:308:0125:03
8:04
+0:01
HALF
13.11 mi12:28:131:45:008:015:30
8:05
+0:01
25K
15.53 mi12:47:592:04:468:0219:46
8:10
+0:05
30K
18.64 mi13:14:182:31:058:0726:19
8:29
+0:19
20M
20.00 mi13:25:402:42:278:0811:22
8:23
-0:06
21M
21.00 mi13:34:332:51:208:108:53
8:53
+0:30
35K
21.75 mi13:40:512:57:388:116:18
8:26
-0:27
23M
23.00 mi13:51:183:08:058:1110:27
8:22
-0:04
24M
24.00 mi13:59:483:16:358:128:30
8:30
+0:08
40K
24.85 mi14:07:133:24:008:137:25
8:41
+0:11
25.2M
25.20 mi14:10:273:27:148:143:14
9:23
+0:42
FINISH
26.22 mi14:18:413:35:288:148:14
8:05
-1:18

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

7:58 /mi

Average Pace

8:13 /mi

Slowest Pace

9:23 /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

3:23:21

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% 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 mi11:08:0024:477:5924:47
7:59
#16800
10K
6.21 mi11:32:4249:297:5824:42
7:58
#16812
15K
9.32 mi11:57:401:14:278:0024:58
8:03
#16952
20K
12.43 mi12:22:431:39:308:0125:03
8:04
#16846
HALF
13.11 mi12:28:131:45:008:015:30
8:05
#16881
25K
15.53 mi12:47:592:04:468:0219:46
8:10
#16815
30K
18.64 mi13:14:182:31:058:0726:19
8:29
#16726
20M
20.00 mi13:25:402:42:278:0811:22
8:23
#16633
21M
21.00 mi13:34:332:51:208:108:53
8:53
#16522
35K
21.75 mi13:40:512:57:388:116:18
8:26
#16526
23M
23.00 mi13:51:183:08:058:1110:27
8:22
#16382
24M
24.00 mi13:59:483:16:358:128:30
8:30
#16402
40K
24.85 mi14:07:133:24:008:137:25
8:41
#16378
25.2M
25.20 mi14:10:273:27:148:143:14
9:23
#16382
FINISH
26.22 mi14:18:413:35:288:148:14
8:05
#16345
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 mi168005802580217302(Top 60%)6080(Top 48%)6080(Top 493%)
10K6.21 mi3.10 mi16812-125824-225824-2216871(Top 58%)5840(Top 46%)5840(Top 474%)
15K9.32 mi3.11 mi16952-1405899-755899-7517302(Top 60%)6080(Top 48%)6080(Top 493%)
20K12.43 mi3.11 mi16846+1065844+555844+5516604(Top 57%)5709(Top 45%)5709(Top 463%)
HALF13.11 mi0.68 mi16881-355865-215865-2117603(Top 61%)6250(Top 50%)6250(Top 507%)
25K15.53 mi2.42 mi16815+665832+335832+3316494(Top 57%)5709(Top 45%)5709(Top 463%)
30K18.64 mi3.11 mi16726+895824+85824+816747(Top 58%)5959(Top 47%)5959(Top 483%)
20M20.00 mi1.36 mi16633+935785+395785+3915371(Top 53%)5290(Top 42%)5290(Top 429%)
21M21.00 mi1.00 mi16522+1115729+565729+5615502(Top 53%)5418(Top 43%)5418(Top 439%)
35K21.75 mi0.75 mi16526-45737-85737-817165(Top 59%)6426(Top 51%)6426(Top 521%)
23M23.00 mi1.25 mi16382+1445694+435694+4314812(Top 51%)5176(Top 41%)5176(Top 420%)
24M24.00 mi1.00 mi16402-205725-315725-3116922(Top 58%)6422(Top 51%)6422(Top 521%)
40K24.85 mi0.85 mi16378+245731-65731-616740(Top 58%)6376(Top 51%)6376(Top 517%)
25.2M25.20 mi0.35 mi16382-45746-155746-1516768(Top 58%)6374(Top 51%)6374(Top 517%)
FINISH26.22 mi1.02 mi16345+375750-45750-415704(Top 54%)5790(Top 46%)5790(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17302

Females

6080

F50-54

6080

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16871

Females

5840

F50-54

5840

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17302

Females

6080

F50-54

6080

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16604

Females

5709

F50-54

5709

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17603

Females

6250

F50-54

6250

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16494

Females

5709

F50-54

5709

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16747

Females

5959

F50-54

5959

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15371

Females

5290

F50-54

5290

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15502

Females

5418

F50-54

5418

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17165

Females

6426

F50-54

6426

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14812

Females

5176

F50-54

5176

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16922

Females

6422

F50-54

6422

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16740

Females

6376

F50-54

6376

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16768

Females

6374

F50-54

6374

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15704

Females

5790

F50-54

5790

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1848
Passed By
1393
Net Change
+455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16800
5K → 10K293305-12#16800#16812
10K → 15K131271-140#16812#16952
15K → 20K224118+106#16952#16846
20K → HALF2661-35#16846#16881
HALF → 25K16094+66#16881#16815
25K → 30K242153+89#16815#16726
30K → 20M13037+93#16726#16633
20M → 21M14837+111#16633#16522
21M → 35K6569-4#16522#16526
35K → 23M16925+144#16526#16382
23M → 24M6383-20#16382#16402
24M → 40K8359+24#16402#16378
40K → 25.2M3337-4#16378#16382
25.2M → FINISH8144+37#16382#16345
TOTALS18481393+455

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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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing