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BOSTON MARATHON 2026

Bailey Vander Leest

Bib: 15689β€’F

CO

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Overall
#0 / 29021
Top 32%
Gender (Female)
#0 / 12578
Top 15%
Age Group (F18-39)
#0 / 5716
Top 28%
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
5K
23:34
3.11 mi
Rank: #13502
Start β†’ 5K
23:34 | 7:36/mi
10K
46:39
6.21 mi
Rank: #12902 (+600)
5K β†’ 10K
23:05 | 7:26/mi
15K
1:09:31
9.32 mi
Rank: #12457 (+445)
10K β†’ 15K
22:52 | 7:22/mi
20K
1:32:28
12.43 mi
Rank: #12057 (+400)
15K β†’ 20K
22:57 | 7:24/mi
HALF
1:37:36
13.11 mi
Rank: #12125 (-68)
20K β†’ HALF
5:08 | 7:32/mi
25K
1:55:31
15.53 mi
Rank: #11858 (+267)
HALF β†’ 25K
17:55 | 7:24/mi
30K
2:18:44
18.64 mi
Rank: #11399 (+459)
25K β†’ 30K
23:13 | 7:29/mi
20M
2:28:42
20.00 mi
Rank: #11105 (+294)
30K β†’ 20M
9:58 | 7:21/mi
21M
2:36:12
21.00 mi
Rank: #10770 (+335)
20M β†’ 21M
7:30 | 7:30/mi
35K
2:41:29
21.75 mi
Rank: #10609 (+161)
21M β†’ 35K
5:17 | 7:04/mi
23M
2:50:28
23.00 mi
Rank: #10277 (+332)
35K β†’ 23M
8:59 | 7:11/mi
24M
2:57:16
24.00 mi
Rank: #9977 (+300)
23M β†’ 24M
6:48 | 6:48/mi
40K
3:03:15
24.85 mi
Rank: #9737 (+240)
24M β†’ 40K
5:59 | 7:00/mi
25.2M
3:05:45
25.20 mi
Rank: #9618 (+119)
40K β†’ 25.2M
2:30 | 7:15/mi
FINISH
3:12:21
26.22 mi
Rank: #9325 (+293)
25.2M β†’ FINISH
6:36 | 6:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:37:36
Pace7:27 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:34:45
Pace7:14 /mi
πŸ“ŠNegative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3523:347:3623:34
7:36
-
10K
6.21 mi11:28:4046:397:3123:05
7:26
-0:10
15K
9.32 mi11:51:321:09:317:2822:52
7:22
-0:04
20K
12.43 mi12:14:291:32:287:2722:57
7:24
+0:02
HALF
13.11 mi12:19:371:37:367:275:08
7:32
+0:08
25K
15.53 mi12:37:321:55:317:2717:55
7:24
-0:08
30K
18.64 mi13:00:452:18:447:2723:13
7:29
+0:05
20M
20.00 mi13:10:432:28:427:279:58
7:21
-0:08
21M
21.00 mi13:18:132:36:127:277:30
7:30
+0:09
35K
21.75 mi13:23:302:41:297:265:17
7:04
-0:26
23M
23.00 mi13:32:292:50:287:258:59
7:11
+0:07
24M
24.00 mi13:39:172:57:167:246:48
6:48
-0:23
40K
24.85 mi13:45:163:03:157:235:59
7:00
+0:12
25.2M
25.20 mi13:47:463:05:457:232:30
7:15
+0:15
FINISH
26.22 mi13:54:223:12:217:216:36
6:29
-0:46

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

6:29 /mi

Average Pace

7:20 /mi

Slowest Pace

7:36 /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

24:40

13% of race

Time at Steady Pace

2:47:41

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi11:05:3523:347:3623:34
7:36
#13502
10K
6.21 mi11:28:4046:397:3123:05
7:26
#12902
15K
9.32 mi11:51:321:09:317:2822:52
7:22
#12457
20K
12.43 mi12:14:291:32:287:2722:57
7:24
#12057
HALF
13.11 mi12:19:371:37:367:275:08
7:32
#12125
25K
15.53 mi12:37:321:55:317:2717:55
7:24
#11858
30K
18.64 mi13:00:452:18:447:2723:13
7:29
#11399
20M
20.00 mi13:10:432:28:427:279:58
7:21
#11105
21M
21.00 mi13:18:132:36:127:277:30
7:30
#10770
35K
21.75 mi13:23:302:41:297:265:17
7:04
#10609
23M
23.00 mi13:32:292:50:287:258:59
7:11
#10277
24M
24.00 mi13:39:172:57:167:246:48
6:48
#9977
40K
24.85 mi13:45:163:03:157:235:59
7:00
#9737
25.2M
25.20 mi13:47:463:05:457:232:30
7:15
#9618
FINISH
26.22 mi13:54:223:12:217:216:36
6:29
#9325
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 mi135023771377111601(Top 40%)2800(Top 22%)2800(Top 49%)
10K6.21 mi3.10 mi12902+6003450+3213450+32112360(Top 43%)3177(Top 25%)3177(Top 56%)
15K9.32 mi3.11 mi12457+4453218+2323218+23211601(Top 40%)2800(Top 22%)2800(Top 49%)
20K12.43 mi3.11 mi12057+4003021+1973021+19711006(Top 38%)2576(Top 20%)2576(Top 45%)
HALF13.11 mi0.68 mi12125-683062-413062-4113261(Top 46%)3706(Top 29%)3706(Top 65%)
25K15.53 mi2.42 mi11858+2672956+1062956+10610486(Top 36%)2377(Top 19%)2377(Top 42%)
30K18.64 mi3.11 mi11399+4592742+2142742+2149448(Top 33%)2017(Top 16%)2017(Top 35%)
20M20.00 mi1.36 mi11105+2942624+1182624+1187976(Top 27%)1473(Top 12%)1473(Top 26%)
21M21.00 mi1.00 mi10770+3352482+1422482+1426533(Top 23%)1051(Top 8%)1051(Top 18%)
35K21.75 mi0.75 mi10609+1612416+662416+667629(Top 26%)1409(Top 11%)1409(Top 25%)
23M23.00 mi1.25 mi10277+3322284+1322284+1326664(Top 23%)1116(Top 9%)1116(Top 20%)
24M24.00 mi1.00 mi9977+3002150+1342150+1345190(Top 18%)717(Top 6%)717(Top 13%)
40K24.85 mi0.85 mi9737+2402049+1012049+1015544(Top 19%)870(Top 7%)870(Top 15%)
25.2M25.20 mi0.35 mi9618+1192003+462003+463951(Top 14%)528(Top 4%)528(Top 9%)
FINISH26.22 mi1.02 mi9325+2931906+971906+974036(Top 14%)540(Top 4%)540(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
Γ—21
+97ft-345ft

Overall

11601

Females

2800

F18-39

2800

5K→10K

3.1 - 6.2 mi

Top 43%
Γ—5
+79ft-138ft

Overall

12360

Females

3177

F18-39

3177

10K→15K

6.2 - 9.3 mi

Top 40%
Γ—3
+67ft-78ft

Overall

11601

Females

2800

F18-39

2800

15K→20K

9.3 - 12.4 mi

Top 38%
Γ—5
+106ft-86ft

Overall

11006

Females

2576

F18-39

2576

20K→HALF

12.4 - 13.1 mi

Top 46%
Γ—2
+19ft-37ft

Overall

13261

Females

3706

F18-39

3706

HALF→25K

13.1 - 15.5 mi

Top 36%
Γ—4
+66ft-88ft

Overall

10486

Females

2377

F18-39

2377

25K→30K

15.5 - 18.6 mi

Top 33%
Γ—9
+181ft-148ft

Overall

9448

Females

2017

F18-39

2017

30K→20M

18.6 - 20.0 mi

Top 27%
Γ—5
+64ft-50ft

Overall

7976

Females

1473

F18-39

1473

20M→21M

20.0 - 21.0 mi

Top 23%
Γ—8
+106ft-24ft

Overall

6533

Females

1051

F18-39

1051

21M→35K

21.0 - 21.8 mi

Top 26%
Γ—7
+17ft-86ft

Overall

7629

Females

1409

F18-39

1409

35K→23M

21.8 - 23.0 mi

Top 23%
Γ—5
+23ft-63ft

Overall

6664

Females

1116

F18-39

1116

23M→24M

23.0 - 24.0 mi

Top 18%
Γ—6
+12ft-82ft

Overall

5190

Females

717

F18-39

717

24M→40K

24.0 - 24.9 mi

Top 19%
Γ—1
+6ft-20ft

Overall

5544

Females

870

F18-39

870

40K→25.2M

24.9 - 25.2 mi

Top 14%
Γ—1
+13ft-16ft

Overall

3951

Females

528

F18-39

528

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
Γ—2
+22ft-21ft

Overall

4036

Females

540

F18-39

540

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4456*
Passed By
279
Net Change
+4177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#13502
5K β†’ 10K68383+600#13502#12902
10K β†’ 15K48136+445#12902#12457
15K β†’ 20K42222+400#12457#12057
20K β†’ HALF977-68#12057#12125
HALF β†’ 25K28922+267#12125#11858
25K β†’ 30K47516+459#11858#11399
30K β†’ 20M2973+294#11399#11105
20M β†’ 21M3383+335#11105#10770
21M β†’ 35K1643+161#10770#10609
35K β†’ 23M3375+332#10609#10277
23M β†’ 24M302*2+300#10277#9977
24M β†’ 40K2422+240#9977#9737
40K β†’ 25.2M1201+119#9737#9618
25.2M β†’ FINISH2974+293#9618#9325
TOTALS4456*279+4177

* Includes athletes who did not complete a segment (DNF/DNQ).

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