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BOSTON MARATHON 2026

Tianlu Lu

Bib: 23393•F

NY

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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 41%
Age Group (F50-54)
#0 / 1233
Top 38%
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
25:20
3.11 mi
Rank: #17938
Start → 5K
25:20 | 8:10/mi
10K
50:27
6.21 mi
Rank: #17901 (+37)
5K → 10K
25:07 | 8:06/mi
15K
1:15:54
9.32 mi
Rank: #18025 (-124)
10K → 15K
25:27 | 8:12/mi
20K
1:41:47
12.43 mi
Rank: #18113 (-88)
15K → 20K
25:53 | 8:20/mi
HALF
1:47:23
13.11 mi
Rank: #18123 (-10)
20K → HALF
5:36 | 8:13/mi
25K
2:07:49
15.53 mi
Rank: #18114 (+9)
HALF → 25K
20:26 | 8:26/mi
30K
2:34:55
18.64 mi
Rank: #18095 (+19)
25K → 30K
27:06 | 8:44/mi
20M
2:46:48
20.00 mi
Rank: #18029 (+66)
30K → 20M
11:53 | 8:45/mi
21M
2:56:04
21.00 mi
Rank: #17995 (+34)
20M → 21M
9:16 | 9:16/mi
35K
3:02:12
21.75 mi
Rank: #17902 (+93)
21M → 35K
6:08 | 8:12/mi
23M
3:13:22
23.00 mi
Rank: #17875 (+27)
35K → 23M
11:10 | 8:56/mi
24M
3:22:00
24.00 mi
Rank: #17870 (+5)
23M → 24M
8:38 | 8:38/mi
40K
3:29:41
24.85 mi
Rank: #17873 (-3)
24M → 40K
7:41 | 9:00/mi
25.2M
3:33:04
25.20 mi
Rank: #17881 (-8)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:41:39
26.22 mi
Rank: #17860 (+21)
25.2M → FINISH
8:35 | 8:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:23
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:54:16
Pace8:43 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1725:208:1025:20
8:10
-
10K
6.21 mi11:53:2450:278:0825:07
8:06
-0:04
15K
9.32 mi12:18:511:15:548:0925:27
8:12
+0:06
20K
12.43 mi12:44:441:41:478:1225:53
8:20
+0:08
HALF
13.11 mi12:50:201:47:238:125:36
8:13
-0:07
25K
15.53 mi13:10:462:07:498:1420:26
8:26
+0:13
30K
18.64 mi13:37:522:34:558:1927:06
8:44
+0:18
20M
20.00 mi13:49:452:46:488:2111:53
8:45
+0:01
21M
21.00 mi13:59:012:56:048:249:16
9:16
+0:31
35K
21.75 mi14:05:093:02:128:236:08
8:12
-1:04
23M
23.00 mi14:16:193:13:228:2511:10
8:56
+0:44
24M
24.00 mi14:24:573:22:008:268:38
8:38
-0:18
40K
24.85 mi14:32:383:29:418:277:41
9:00
+0:22
25.2M
25.20 mi14:36:013:33:048:283:23
9:49
+0:49
FINISH
26.22 mi14:44:363:41:398:288:35
8:26
-1:23

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

8:06 /mi

Average Pace

8:28 /mi

Slowest Pace

9:49 /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

1:22:02

37% of race

Time at Steady Pace

1:09:08

31% of race

Time at Slower Pace

1:10:29

32% of race

Average Pace: 8:27 /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 mi11:28:1725:208:1025:20
8:10
#17938
10K
6.21 mi11:53:2450:278:0825:07
8:06
#17901
15K
9.32 mi12:18:511:15:548:0925:27
8:12
#18025
20K
12.43 mi12:44:441:41:478:1225:53
8:20
#18113
HALF
13.11 mi12:50:201:47:238:125:36
8:13
#18123
25K
15.53 mi13:10:462:07:498:1420:26
8:26
#18114
30K
18.64 mi13:37:522:34:558:1927:06
8:44
#18095
20M
20.00 mi13:49:452:46:488:2111:53
8:45
#18029
21M
21.00 mi13:59:012:56:048:249:16
9:16
#17995
35K
21.75 mi14:05:093:02:128:236:08
8:12
#17902
23M
23.00 mi14:16:193:13:228:2511:10
8:56
#17875
24M
24.00 mi14:24:573:22:008:268:38
8:38
#17870
40K
24.85 mi14:32:383:29:418:277:41
9:00
#17873
25.2M
25.20 mi14:36:013:33:048:283:23
9:49
#17881
FINISH
26.22 mi14:44:363:41:398:288:35
8:26
#17860
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 mi179386473647318302(Top 63%)6638(Top 53%)6638(Top 538%)
10K6.21 mi3.10 mi17901+376437+366437+3617868(Top 62%)6415(Top 51%)6415(Top 520%)
15K9.32 mi3.11 mi18025-1246502-656502-6518302(Top 63%)6638(Top 53%)6638(Top 538%)
20K12.43 mi3.11 mi18113-886554-526554-5218305(Top 63%)6694(Top 53%)6694(Top 543%)
HALF13.11 mi0.68 mi18123-106560-66560-618529(Top 64%)6778(Top 54%)6778(Top 550%)
25K15.53 mi2.42 mi18114+96558+26558+218143(Top 63%)6650(Top 53%)6650(Top 539%)
30K18.64 mi3.11 mi18095+196593-356593-3518162(Top 63%)6767(Top 54%)6767(Top 549%)
20M20.00 mi1.36 mi18029+666580+136580+1317687(Top 61%)6577(Top 52%)6577(Top 533%)
21M21.00 mi1.00 mi17995+346575+56575+517503(Top 60%)6522(Top 52%)6522(Top 529%)
35K21.75 mi0.75 mi17902+936526+496526+4915861(Top 55%)5690(Top 45%)5690(Top 461%)
23M23.00 mi1.25 mi17875+276551-256551-2518130(Top 62%)7024(Top 56%)7024(Top 570%)
24M24.00 mi1.00 mi17870+56563-126563-1217681(Top 61%)6831(Top 54%)6831(Top 554%)
40K24.85 mi0.85 mi17873-36584-216584-2118352(Top 63%)7223(Top 57%)7223(Top 586%)
25.2M25.20 mi0.35 mi17881-86598-146598-1418698(Top 64%)7386(Top 59%)7386(Top 599%)
FINISH26.22 mi1.02 mi17860+216602-46602-417765(Top 61%)6922(Top 55%)6922(Top 561%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18302

Females

6638

F50-54

6638

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

17868

Females

6415

F50-54

6415

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18302

Females

6638

F50-54

6638

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18305

Females

6694

F50-54

6694

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18529

Females

6778

F50-54

6778

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18143

Females

6650

F50-54

6650

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18162

Females

6767

F50-54

6767

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17687

Females

6577

F50-54

6577

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17503

Females

6522

F50-54

6522

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15861

Females

5690

F50-54

5690

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

18130

Females

7024

F50-54

7024

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17681

Females

6831

F50-54

6831

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18352

Females

7223

F50-54

7223

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18698

Females

7386

F50-54

7386

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17765

Females

6922

F50-54

6922

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1611
Passed By
1533
Net Change
+78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17938
5K → 10K299262+37#17938#17901
10K → 15K133257-124#17901#18025
15K → 20K131219-88#18025#18113
20K → HALF3444-10#18113#18123
HALF → 25K129120+9#18123#18114
25K → 30K199180+19#18114#18095
30K → 20M13165+66#18095#18029
20M → 21M8955+34#18029#17995
21M → 35K10613+93#17995#17902
35K → 23M11386+27#17902#17875
23M → 24M7267+5#17875#17870
24M → 40K6467-3#17870#17873
40K → 25.2M3038-8#17873#17881
25.2M → FINISH8160+21#17881#17860
TOTALS16111533+78
📊

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