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BOSTON MARATHON 2026

Libby Wu

Bib: 27861β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
5KΒ· 3.11 mi
30:49
Rank: #25723
Start β†’ 5K
30:49 | 9:56/mi
10KΒ· 6.21 mi
1:01:52
Rank: #25803 (-80)
5K β†’ 10K
31:03 | 10:00/mi
15KΒ· 9.32 mi
1:32:47
Rank: #25717 (+86)
10K β†’ 15K
30:55 | 9:58/mi
20KΒ· 12.43 mi
2:03:46
Rank: #25487 (+230)
15K β†’ 20K
30:59 | 9:59/mi
HALFΒ· 13.11 mi
2:10:29
Rank: #25480 (+7)
20K β†’ HALF
6:43 | 9:52/mi
25KΒ· 15.53 mi
2:34:40
Rank: #25289 (+191)
HALF β†’ 25K
24:11 | 9:59/mi
30KΒ· 18.64 mi
3:06:26
Rank: #24983 (+306)
25K β†’ 30K
31:46 | 10:14/mi
20M
3:20:11
Rank: #24832 (+151)
30K β†’ 20M
13:45 | 10:08/mi
21M
3:30:44
Rank: #24688 (+144)
20M β†’ 21M
10:33 | 10:33/mi
35KΒ· 21.75 mi
3:38:01
Rank: #24602 (+86)
21M β†’ 35K
7:17 | 9:45/mi
23M
3:50:03
Rank: #24424 (+178)
35K β†’ 23M
12:02 | 9:37/mi
24M
3:59:19
Rank: #24239 (+185)
23M β†’ 24M
9:16 | 9:16/mi
40KΒ· 24.85 mi
4:07:25
Rank: #24096 (+143)
24M β†’ 40K
8:06 | 9:29/mi
25.2M
4:10:51
Rank: #24034 (+62)
40K β†’ 25.2M
3:26 | 9:58/mi
FINISHΒ· 26.22 mi
4:19:18
Rank: #23841 (+193)
25.2M β†’ FINISH
8:27 | 8:18/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:10:29
Pace9:58 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time2:08:49
Pace9:50 /mi
πŸ“ŠNegative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3730:499:5630:49
9:56
-
10K
6.21 mi12:23:401:01:529:5831:03
10:00
+0:04
15K
9.32 mi12:54:351:32:479:5830:55
9:58
-0:02
20K
12.43 mi13:25:342:03:469:5830:59
9:59
+0:01
HALF
13.11 mi13:32:172:10:299:586:43
9:52
-0:07
25K
15.53 mi13:56:282:34:409:5824:11
9:59
+0:07
30K
18.64 mi14:28:143:06:2610:0131:46
10:14
+0:15
20M
20.00 mi14:41:593:20:1110:0113:45
10:08
-0:06
21M
21.00 mi14:52:323:30:4410:0310:33
10:33
+0:25
35K
21.75 mi14:59:493:38:0110:027:17
9:45
-0:48
23M
23.00 mi15:11:513:50:0310:0112:02
9:37
-0:08
24M
24.00 mi15:21:073:59:199:599:16
9:16
-0:21
40K
24.85 mi15:29:134:07:259:588:06
9:29
+0:13
25.2M
25.20 mi15:32:394:10:519:583:26
9:58
+0:29
FINISH
26.22 mi15:41:064:19:189:548:27
8:18
-1:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:18 /mi

Average Pace

9:54 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

37:51

15% of race

Time at Steady Pace

2:59:08

69% of race

Time at Slower Pace

42:19

16% of race

Average Pace: 9:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:52:3730:499:5630:49
9:56
#25723
10K
6.21 mi12:23:401:01:529:5831:03
10:00
#25803
15K
9.32 mi12:54:351:32:479:5830:55
9:58
#25717
20K
12.43 mi13:25:342:03:469:5830:59
9:59
#25487
HALF
13.11 mi13:32:172:10:299:586:43
9:52
#25480
25K
15.53 mi13:56:282:34:409:5824:11
9:59
#25289
30K
18.64 mi14:28:143:06:2610:0131:46
10:14
#24983
20M
20.00 mi14:41:593:20:1110:0113:45
10:08
#24832
21M
21.00 mi14:52:323:30:4410:0310:33
10:33
#24688
35K
21.75 mi14:59:493:38:0110:027:17
9:45
#24602
23M
23.00 mi15:11:513:50:0310:0112:02
9:37
#24424
24M
24.00 mi15:21:073:59:199:599:16
9:16
#24239
40K
24.85 mi15:29:134:07:259:588:06
9:29
#24096
25.2M
25.20 mi15:32:394:10:519:583:26
9:58
#24034
FINISH
26.22 mi15:41:064:19:189:548:27
8:18
#23841
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25723105551055525564(Top 88%)10477(Top 83%)10477(Top 183%)
10K6.21 mi3.10 mi25803-8010617-6210617-6225827(Top 89%)10633(Top 85%)10633(Top 186%)
15K9.32 mi3.11 mi25717+8610560+5710560+5725564(Top 88%)10477(Top 83%)10477(Top 183%)
20K12.43 mi3.11 mi25487+23010444+11610444+11624984(Top 86%)10189(Top 81%)10189(Top 178%)
HALF13.11 mi0.68 mi25480+710441+310441+325305(Top 87%)10376(Top 82%)10376(Top 182%)
25K15.53 mi2.42 mi25289+19110350+9110350+9124247(Top 84%)9845(Top 78%)9845(Top 172%)
30K18.64 mi3.11 mi24983+30610214+13610214+13623691(Top 82%)9664(Top 77%)9664(Top 169%)
20M20.00 mi1.36 mi24832+15110155+5910155+5922905(Top 79%)9323(Top 74%)9323(Top 163%)
21M21.00 mi1.00 mi24688+14410093+6210093+6222106(Top 76%)8946(Top 71%)8946(Top 157%)
35K21.75 mi0.75 mi24602+8610053+4010053+4022474(Top 77%)9196(Top 73%)9196(Top 161%)
23M23.00 mi1.25 mi24424+1789973+809973+8020997(Top 72%)8465(Top 67%)8465(Top 148%)
24M24.00 mi1.00 mi24239+1859905+689905+6820545(Top 71%)8321(Top 66%)8321(Top 146%)
40K24.85 mi0.85 mi24096+1439842+639842+6320334(Top 70%)8252(Top 66%)8252(Top 144%)
25.2M25.20 mi0.35 mi24034+629819+239819+2319339(Top 67%)7762(Top 62%)7762(Top 136%)
FINISH26.22 mi1.02 mi23841+1939725+949725+9417050(Top 59%)6558(Top 52%)6558(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
Γ—21stories
+97ft-345ft

Overall

25564

Females

10477

F18-39

10477

5K→10K

3.1 - 6.2 mi

Top 89%
Γ—5stories
+79ft-138ft

Overall

25827

Females

10633

F18-39

10633

10K→15K

6.2 - 9.3 mi

Top 88%
Γ—3stories
+67ft-78ft

Overall

25564

Females

10477

F18-39

10477

15K→20K

9.3 - 12.4 mi

Top 86%
Γ—5stories
+106ft-86ft

Overall

24984

Females

10189

F18-39

10189

20K→HALF

12.4 - 13.1 mi

Top 87%
Γ—2stories
+19ft-37ft

Overall

25305

Females

10376

F18-39

10376

HALF→25K

13.1 - 15.5 mi

Top 84%
Γ—4stories
+66ft-88ft

Overall

24247

Females

9845

F18-39

9845

25K→30K

15.5 - 18.6 mi

Top 82%
Γ—9stories
+181ft-148ft

Overall

23691

Females

9664

F18-39

9664

30K→20M

18.6 - 20.0 mi

Top 79%
Γ—5stories
+64ft-50ft

Overall

22905

Females

9323

F18-39

9323

20M→21M

20.0 - 21.0 mi

Top 76%
Γ—8stories
+106ft-24ft

Overall

22106

Females

8946

F18-39

8946

21M→35K

21.0 - 21.8 mi

Top 77%
Γ—7stories
+17ft-86ft

Overall

22474

Females

9196

F18-39

9196

35K→23M

21.8 - 23.0 mi

Top 72%
Γ—5stories
+23ft-63ft

Overall

20997

Females

8465

F18-39

8465

23M→24M

23.0 - 24.0 mi

Top 71%
Γ—6stories
+12ft-82ft

Overall

20545

Females

8321

F18-39

8321

24M→40K

24.0 - 24.9 mi

Top 70%
Γ—1story
+6ft-20ft

Overall

20334

Females

8252

F18-39

8252

40K→25.2M

24.9 - 25.2 mi

Top 67%
Γ—1story
+13ft-16ft

Overall

19339

Females

7762

F18-39

7762

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
Γ—2stories
+22ft-21ft

Overall

17050

Females

6558

F18-39

6558

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2277
Passed By
395
Net Change
+1882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25723
5K β†’ 10K163243-80#25723#25803
10K β†’ 15K16074+86#25803#25717
15K β†’ 20K25424+230#25717#25487
20K β†’ HALF2619+7#25487#25480
HALF β†’ 25K1943+191#25480#25289
25K β†’ 30K32216+306#25289#24983
30K β†’ 20M1587+151#24983#24832
20M β†’ 21M1473+144#24832#24688
21M β†’ 35K893+86#24688#24602
35K β†’ 23M1791+178#24602#24424
23M β†’ 24M1861+185#24424#24239
24M β†’ 40K1441+143#24239#24096
40K β†’ 25.2M620+62#24096#24034
25.2M β†’ FINISH1930+193#24034#23841
TOTALS2277395+1882
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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