All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Selena Zhang

Bib: 27950•F

MA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
30:52
3.11 mi
Rank: #25774
Start → 5K
30:52 | 9:57/mi
10K
59:26
6.21 mi
Rank: #24715 (+1059)
5K → 10K
28:34 | 9:12/mi
15K
1:27:18
9.32 mi
Rank: #24124 (+591)
10K → 15K
27:52 | 8:59/mi
20K
1:55:10
12.43 mi
Rank: #23606 (+518)
15K → 20K
27:52 | 8:59/mi
HALF
2:01:26
13.11 mi
Rank: #23599 (+7)
20K → HALF
6:16 | 9:12/mi
25K
2:23:34
15.53 mi
Rank: #23270 (+329)
HALF → 25K
22:08 | 9:08/mi
30K
2:52:19
18.64 mi
Rank: #22799 (+471)
25K → 30K
28:45 | 9:16/mi
20M
3:04:42
20.00 mi
Rank: #22570 (+229)
30K → 20M
12:23 | 9:08/mi
21M
3:14:08
21.00 mi
Rank: #22315 (+255)
20M → 21M
9:26 | 9:26/mi
35K
3:20:46
21.75 mi
Rank: #22213 (+102)
21M → 35K
6:38 | 8:52/mi
23M
3:32:01
23.00 mi
Rank: #21991 (+222)
35K → 23M
11:15 | 9:00/mi
24M
3:40:45
24.00 mi
Rank: #21874 (+117)
23M → 24M
8:44 | 8:44/mi
40K
3:48:11
24.85 mi
Rank: #21734 (+140)
24M → 40K
7:26 | 8:42/mi
25.2M
3:51:15
25.20 mi
Rank: #21635 (+99)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:59:33
26.22 mi
Rank: #21488 (+147)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:01:26
Pace9:16 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:07
Pace9:01 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4230:529:5730:52
9:57
-
10K
6.21 mi12:22:1659:269:3428:34
9:12
-0:45
15K
9.32 mi12:50:081:27:189:2227:52
8:59
-0:13
20K
12.43 mi13:18:001:55:109:1727:52
8:59
0:00
HALF
13.11 mi13:24:162:01:269:166:16
9:12
+0:13
25K
15.53 mi13:46:242:23:349:1522:08
9:08
-0:04
30K
18.64 mi14:15:092:52:199:1528:45
9:16
+0:08
20M
20.00 mi14:27:323:04:429:1512:23
9:08
-0:08
21M
21.00 mi14:36:583:14:089:159:26
9:26
+0:18
35K
21.75 mi14:43:363:20:469:146:38
8:52
-0:34
23M
23.00 mi14:54:513:32:019:1411:15
9:00
+0:08
24M
24.00 mi15:03:353:40:459:128:44
8:44
-0:16
40K
24.85 mi15:11:013:48:119:117:26
8:42
-0:02
25.2M
25.20 mi15:14:053:51:159:113:04
8:54
+0:12
FINISH
26.22 mi15:22:233:59:339:098:18
8:09
-0:45

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

8:09 /mi

Average Pace

9:09 /mi

Slowest Pace

9:57 /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

24:28

10% of race

Time at Steady Pace

1:51:12

46% of race

Time at Slower Pace

1:43:53

43% of race

Average Pace: 9:08 /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 mi11:53:4230:529:5730:52
9:57
#25774
10K
6.21 mi12:22:1659:269:3428:34
9:12
#24715
15K
9.32 mi12:50:081:27:189:2227:52
8:59
#24124
20K
12.43 mi13:18:001:55:109:1727:52
8:59
#23606
HALF
13.11 mi13:24:162:01:269:166:16
9:12
#23599
25K
15.53 mi13:46:242:23:349:1522:08
9:08
#23270
30K
18.64 mi14:15:092:52:199:1528:45
9:16
#22799
20M
20.00 mi14:27:323:04:429:1512:23
9:08
#22570
21M
21.00 mi14:36:583:14:089:159:26
9:26
#22315
35K
21.75 mi14:43:363:20:469:146:38
8:52
#22213
23M
23.00 mi14:54:513:32:019:1411:15
9:00
#21991
24M
24.00 mi15:03:353:40:459:128:44
8:44
#21874
40K
24.85 mi15:11:013:48:119:117:26
8:42
#21734
25.2M
25.20 mi15:14:053:51:159:113:04
8:54
#21635
FINISH
26.22 mi15:22:233:59:339:098:18
8:09
#21488
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi25774105871058722556(Top 78%)8902(Top 71%)8902(Top 156%)
10K6.21 mi3.10 mi24715+105910034+55310034+55323599(Top 81%)9456(Top 75%)9456(Top 165%)
15K9.32 mi3.11 mi24124+5919713+3219713+32122556(Top 78%)8902(Top 71%)8902(Top 156%)
20K12.43 mi3.11 mi23606+5189465+2489465+24821802(Top 75%)8559(Top 68%)8559(Top 150%)
HALF13.11 mi0.68 mi23599+79464+19464+123457(Top 81%)9397(Top 75%)9397(Top 164%)
25K15.53 mi2.42 mi23270+3299311+1539311+15321727(Top 75%)8538(Top 68%)8538(Top 149%)
30K18.64 mi3.11 mi22799+4719095+2169095+21620760(Top 72%)8133(Top 65%)8133(Top 142%)
20M20.00 mi1.36 mi22570+2299000+959000+9519526(Top 67%)7563(Top 60%)7563(Top 132%)
21M21.00 mi1.00 mi22315+2558871+1298871+12918264(Top 63%)6938(Top 55%)6938(Top 121%)
35K21.75 mi0.75 mi22213+1028837+348837+3419520(Top 67%)7721(Top 61%)7721(Top 135%)
23M23.00 mi1.25 mi21991+2228742+958742+9518473(Top 64%)7213(Top 57%)7213(Top 126%)
24M24.00 mi1.00 mi21874+1178692+508692+5018238(Top 63%)7120(Top 57%)7120(Top 125%)
40K24.85 mi0.85 mi21734+1408625+678625+6716879(Top 58%)6460(Top 51%)6460(Top 113%)
25.2M25.20 mi0.35 mi21635+998571+548571+5414223(Top 49%)5064(Top 40%)5064(Top 89%)
FINISH26.22 mi1.02 mi21488+1478497+748497+7416141(Top 56%)6040(Top 48%)6040(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22556

Females

8902

F18-39

8902

5K→10K

3.1 - 6.2 mi

Top 81%
×5
+79ft-138ft

Overall

23599

Females

9456

F18-39

9456

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22556

Females

8902

F18-39

8902

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21802

Females

8559

F18-39

8559

20K→HALF

12.4 - 13.1 mi

Top 81%
×2
+19ft-37ft

Overall

23457

Females

9397

F18-39

9397

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21727

Females

8538

F18-39

8538

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20760

Females

8133

F18-39

8133

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19526

Females

7563

F18-39

7563

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18264

Females

6938

F18-39

6938

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19520

Females

7721

F18-39

7721

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18473

Females

7213

F18-39

7213

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18238

Females

7120

F18-39

7120

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16879

Females

6460

F18-39

6460

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14223

Females

5064

F18-39

5064

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16141

Females

6040

F18-39

6040

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4372
Passed By
86
Net Change
+4286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25774
5K → 10K107011+1059#25774#24715
10K → 15K5987+591#24715#24124
15K → 20K5213+518#24124#23606
20K → HALF2518+7#23606#23599
HALF → 25K3345+329#23599#23270
25K → 30K4754+471#23270#22799
30K → 20M2356+229#22799#22570
20M → 21M2605+255#22570#22315
21M → 35K1119+102#22315#22213
35K → 23M2297+222#22213#21991
23M → 24M1247+117#21991#21874
24M → 40K1422+140#21874#21734
40K → 25.2M990+99#21734#21635
25.2M → FINISH1492+147#21635#21488
TOTALS437286+4286
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing