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BOSTON MARATHON 2026

Libby Robbins

Bib: 14629•F

UT

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0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Age Group (F18-39)
#0 / 5716
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
24:16
3.11 mi
Rank: #15526
Start → 5K
24:16 | 7:49/mi
10K
48:49
6.21 mi
Rank: #15961 (-435)
5K → 10K
24:33 | 7:55/mi
15K
1:13:15
9.32 mi
Rank: #15925 (+36)
10K → 15K
24:26 | 7:52/mi
20K
1:37:58
12.43 mi
Rank: #15862 (+63)
15K → 20K
24:43 | 7:58/mi
HALF
1:43:29
13.11 mi
Rank: #15979 (-117)
20K → HALF
5:31 | 8:06/mi
25K
2:05:15
15.53 mi
Rank: #17016 (-1037)
HALF → 25K
21:46 | 8:59/mi
30K
2:30:51
18.64 mi
Rank: #16662 (+354)
25K → 30K
25:36 | 8:15/mi
20M
2:43:23
20.00 mi
Rank: #16941 (-279)
30K → 20M
12:32 | 9:14/mi
21M
2:52:29
21.00 mi
Rank: #16887 (+54)
20M → 21M
9:06 | 9:06/mi
35K
2:58:26
21.75 mi
Rank: #16774 (+113)
21M → 35K
5:57 | 7:58/mi
23M
3:09:02
23.00 mi
Rank: #16683 (+91)
35K → 23M
10:36 | 8:29/mi
24M
3:17:30
24.00 mi
Rank: #16663 (+20)
23M → 24M
8:28 | 8:28/mi
40K
3:24:43
24.85 mi
Rank: #16603 (+60)
24M → 40K
7:13 | 8:27/mi
25.2M
3:27:52
25.20 mi
Rank: #16562 (+41)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:35:56
26.22 mi
Rank: #16466 (+96)
25.2M → FINISH
8:04 | 7:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2924:167:4924:16
7:49
-
10K
6.21 mi11:20:0248:497:5224:33
7:55
+0:06
15K
9.32 mi11:44:281:13:157:5224:26
7:52
-0:03
20K
12.43 mi12:09:111:37:587:5324:43
7:58
+0:06
HALF
13.11 mi12:14:421:43:297:545:31
8:06
+0:08
25K
15.53 mi12:36:282:05:158:0421:46
8:59
+0:53
30K
18.64 mi13:02:042:30:518:0625:36
8:15
-0:44
20M
20.00 mi13:14:362:43:238:1112:32
9:14
+0:59
21M
21.00 mi13:23:422:52:298:139:06
9:06
-0:08
35K
21.75 mi13:29:392:58:268:135:57
7:58
-1:08
23M
23.00 mi13:40:153:09:028:1410:36
8:29
+0:31
24M
24.00 mi13:48:433:17:308:148:28
8:28
-0:01
40K
24.85 mi13:55:563:24:438:157:13
8:27
-0:01
25.2M
25.20 mi13:59:053:27:528:153:09
9:09
+0:42
FINISH
26.22 mi14:07:093:35:568:158:04
7:55
-1:14

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

7:49 /mi

Average Pace

8:15 /mi

Slowest Pace

9:14 /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

2:49:23

78% of race

Time at Steady Pace

34:01

16% of race

Time at Slower Pace

12:32

6% of race

Average Pace: 8:14 /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 mi10:55:2924:167:4924:16
7:49
#15526
10K
6.21 mi11:20:0248:497:5224:33
7:55
#15961
15K
9.32 mi11:44:281:13:157:5224:26
7:52
#15925
20K
12.43 mi12:09:111:37:587:5324:43
7:58
#15862
HALF
13.11 mi12:14:421:43:297:545:31
8:06
#15979
25K
15.53 mi12:36:282:05:158:0421:46
8:59
#17016
30K
18.64 mi13:02:042:30:518:0625:36
8:15
#16662
20M
20.00 mi13:14:362:43:238:1112:32
9:14
#16941
21M
21.00 mi13:23:422:52:298:139:06
9:06
#16887
35K
21.75 mi13:29:392:58:268:135:57
7:58
#16774
23M
23.00 mi13:40:153:09:028:1410:36
8:29
#16683
24M
24.00 mi13:48:433:17:308:148:28
8:28
#16663
40K
24.85 mi13:55:563:24:438:157:13
8:27
#16603
25.2M
25.20 mi13:59:053:27:528:153:09
9:09
#16562
FINISH
26.22 mi14:07:093:35:568:158:04
7:55
#16466
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 mi155265017501715890(Top 55%)5284(Top 42%)5284(Top 92%)
10K6.21 mi3.10 mi15961-4355307-2905307-29016486(Top 57%)5612(Top 45%)5612(Top 98%)
15K9.32 mi3.11 mi15925+365285+225285+2215890(Top 55%)5284(Top 42%)5284(Top 92%)
20K12.43 mi3.11 mi15862+635268+175268+1715811(Top 54%)5278(Top 42%)5278(Top 92%)
HALF13.11 mi0.68 mi15979-1175347-795347-7917752(Top 61%)6329(Top 50%)6329(Top 111%)
25K15.53 mi2.42 mi17016-10375956-6095956-60921067(Top 73%)8198(Top 65%)8198(Top 143%)
30K18.64 mi3.11 mi16662+3545787+1695787+16915210(Top 52%)5089(Top 40%)5089(Top 89%)
20M20.00 mi1.36 mi16941-2795942-1555942-15519971(Top 69%)7800(Top 62%)7800(Top 136%)
21M21.00 mi1.00 mi16887+545930+125930+1216669(Top 57%)6065(Top 48%)6065(Top 106%)
35K21.75 mi0.75 mi16774+1135884+465884+4614221(Top 49%)4770(Top 38%)4770(Top 83%)
23M23.00 mi1.25 mi16683+915856+285856+2815551(Top 54%)5572(Top 44%)5572(Top 97%)
24M24.00 mi1.00 mi16663+205864-85864-816714(Top 58%)6296(Top 50%)6296(Top 110%)
40K24.85 mi0.85 mi16603+605857+75857+715325(Top 53%)5614(Top 45%)5614(Top 98%)
25.2M25.20 mi0.35 mi16562+415845+125845+1215513(Top 53%)5712(Top 45%)5712(Top 100%)
FINISH26.22 mi1.02 mi16466+965816+295816+2914640(Top 50%)5248(Top 42%)5248(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15890

Females

5284

F18-39

5284

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16486

Females

5612

F18-39

5612

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15890

Females

5284

F18-39

5284

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15811

Females

5278

F18-39

5278

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17752

Females

6329

F18-39

6329

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21067

Females

8198

F18-39

8198

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15210

Females

5089

F18-39

5089

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

19971

Females

7800

F18-39

7800

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16669

Females

6065

F18-39

6065

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14221

Females

4770

F18-39

4770

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15551

Females

5572

F18-39

5572

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16714

Females

6296

F18-39

6296

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15325

Females

5614

F18-39

5614

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15513

Females

5712

F18-39

5712

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14640

Females

5248

F18-39

5248

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1744*
Passed By
1358
Net Change
-940
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15526
5K → 10K137200-435#15526#15961
10K → 15K224*188+36#15961#15925
15K → 20K212*149+63#15925#15862
20K → HALF12129-117#15862#15979
HALF → 25K18200-1037#15979#17016
25K → 30K395*41+354#17016#16662
30K → 20M20200-279#16662#16941
20M → 21M11258+54#16941#16887
21M → 35K12815+113#16887#16774
35K → 23M13342+91#16774#16683
23M → 24M8060+20#16683#16663
24M → 40K10343+60#16663#16603
40K → 25.2M5514+41#16603#16562
25.2M → FINISH11519+96#16562#16466
TOTALS1744*1358-940

* 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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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