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BOSTON MARATHON 2026

Alicia Zhang

Bib: 17663•F

MN

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
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
23:47
3.11 mi
Rank: #14187
Start → 5K
23:47 | 7:40/mi
10K
47:12
6.21 mi
Rank: #13708 (+479)
5K → 10K
23:25 | 7:33/mi
15K
1:10:57
9.32 mi
Rank: #13784 (-76)
10K → 15K
23:45 | 7:39/mi
20K
1:35:13
12.43 mi
Rank: #13970 (-186)
15K → 20K
24:16 | 7:49/mi
HALF
1:40:32
13.11 mi
Rank: #14044 (-74)
20K → HALF
5:19 | 7:48/mi
25K
2:00:10
15.53 mi
Rank: #14395 (-351)
HALF → 25K
19:38 | 8:06/mi
30K
2:27:27
18.64 mi
Rank: #15281 (-886)
25K → 30K
27:17 | 8:47/mi
20M
2:39:49
20.00 mi
Rank: #15669 (-388)
30K → 20M
12:22 | 9:07/mi
21M
2:49:29
21.00 mi
Rank: #15908 (-239)
20M → 21M
9:40 | 9:40/mi
35K
2:56:32
21.75 mi
Rank: #16173 (-265)
21M → 35K
7:03 | 9:26/mi
23M
3:08:49
23.00 mi
Rank: #16618 (-445)
35K → 23M
12:17 | 9:49/mi
24M
3:17:52
24.00 mi
Rank: #16774 (-156)
23M → 24M
9:03 | 9:03/mi
40K
3:25:43
24.85 mi
Rank: #16871 (-97)
24M → 40K
7:51 | 9:11/mi
25.2M
3:28:59
25.20 mi
Rank: #16866 (+5)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:37:23
26.22 mi
Rank: #16834 (+32)
25.2M → FINISH
8:24 | 8:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:32
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3923:477:4023:47
7:40
-
10K
6.21 mi11:29:0447:127:3623:25
7:33
-0:07
15K
9.32 mi11:52:491:10:577:3723:45
7:39
+0:06
20K
12.43 mi12:17:051:35:137:4024:16
7:49
+0:10
HALF
13.11 mi12:22:241:40:327:415:19
7:48
-0:01
25K
15.53 mi12:42:022:00:107:4519:38
8:06
+0:18
30K
18.64 mi13:09:192:27:277:5527:17
8:47
+0:41
20M
20.00 mi13:21:412:39:498:0012:22
9:07
+0:20
21M
21.00 mi13:31:212:49:298:059:40
9:40
+0:33
35K
21.75 mi13:38:242:56:328:087:03
9:26
-0:14
23M
23.00 mi13:50:413:08:498:1312:17
9:49
+0:23
24M
24.00 mi13:59:443:17:528:159:03
9:03
-0:46
40K
24.85 mi14:07:353:25:438:177:51
9:11
+0:08
25.2M
25.20 mi14:10:513:28:598:183:16
9:29
+0:18
FINISH
26.22 mi14:19:153:37:238:188:24
8:15
-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

7:33 /mi

Average Pace

8:18 /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

2:08:34

59% of race

Time at Steady Pace

48:42

22% of race

Time at Slower Pace

40:07

18% of race

Average Pace: 8:17 /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 mi11:05:3923:477:4023:47
7:40
#14187
10K
6.21 mi11:29:0447:127:3623:25
7:33
#13708
15K
9.32 mi11:52:491:10:577:3723:45
7:39
#13784
20K
12.43 mi12:17:051:35:137:4024:16
7:49
#13970
HALF
13.11 mi12:22:241:40:327:415:19
7:48
#14044
25K
15.53 mi12:42:022:00:107:4519:38
8:06
#14395
30K
18.64 mi13:09:192:27:277:5527:17
8:47
#15281
20M
20.00 mi13:21:412:39:498:0012:22
9:07
#15669
21M
21.00 mi13:31:212:49:298:059:40
9:40
#15908
35K
21.75 mi13:38:242:56:328:087:03
9:26
#16173
23M
23.00 mi13:50:413:08:498:1312:17
9:49
#16618
24M
24.00 mi13:59:443:17:528:159:03
9:03
#16774
40K
24.85 mi14:07:353:25:438:177:51
9:11
#16871
25.2M
25.20 mi14:10:513:28:598:183:16
9:29
#16866
FINISH
26.22 mi14:19:153:37:238:188:24
8:15
#16834
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 mi141874191419114077(Top 49%)4188(Top 33%)4188(Top 73%)
10K6.21 mi3.10 mi13708+4793926+2653926+26513282(Top 46%)3705(Top 29%)3705(Top 65%)
15K9.32 mi3.11 mi13784-763994-683994-6814077(Top 49%)4188(Top 33%)4188(Top 73%)
20K12.43 mi3.11 mi13970-1864121-1274121-12714638(Top 50%)4584(Top 36%)4584(Top 80%)
HALF13.11 mi0.68 mi14044-744175-544175-5415639(Top 54%)5139(Top 41%)5139(Top 90%)
25K15.53 mi2.42 mi14395-3514400-2254400-22516111(Top 56%)5496(Top 44%)5496(Top 96%)
30K18.64 mi3.11 mi15281-8864977-5774977-57718473(Top 64%)6927(Top 55%)6927(Top 121%)
20M20.00 mi1.36 mi15669-3885221-2445221-24419432(Top 67%)7498(Top 60%)7498(Top 131%)
21M21.00 mi1.00 mi15908-2395385-1645385-16419252(Top 66%)7450(Top 59%)7450(Top 130%)
35K21.75 mi0.75 mi16173-2655564-1795564-17921537(Top 74%)8712(Top 69%)8712(Top 152%)
23M23.00 mi1.25 mi16618-4455820-2565820-25621618(Top 74%)8797(Top 70%)8797(Top 154%)
24M24.00 mi1.00 mi16774-1565927-1075927-10719679(Top 68%)7885(Top 63%)7885(Top 138%)
40K24.85 mi0.85 mi16871-976007-806007-8019219(Top 66%)7682(Top 61%)7682(Top 134%)
25.2M25.20 mi0.35 mi16866+56016-96016-917228(Top 59%)6627(Top 53%)6627(Top 116%)
FINISH26.22 mi1.02 mi16834+326019-36019-316693(Top 58%)6339(Top 50%)6339(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14077

Females

4188

F18-39

4188

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13282

Females

3705

F18-39

3705

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14077

Females

4188

F18-39

4188

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14638

Females

4584

F18-39

4584

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15639

Females

5139

F18-39

5139

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16111

Females

5496

F18-39

5496

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18473

Females

6927

F18-39

6927

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19432

Females

7498

F18-39

7498

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19252

Females

7450

F18-39

7450

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21537

Females

8712

F18-39

8712

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21618

Females

8797

F18-39

8797

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19679

Females

7885

F18-39

7885

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19219

Females

7682

F18-39

7682

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17228

Females

6627

F18-39

6627

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16693

Females

6339

F18-39

6339

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1321*
Passed By
2226
Net Change
-2647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14187
5K → 10K612*133+479#14187#13708
10K → 15K171200-76#13708#13784
15K → 20K104200-186#13784#13970
20K → HALF1690-74#13970#14044
HALF → 25K63200-351#14044#14395
25K → 30K45200-886#14395#15281
30K → 20M32200-388#15281#15669
20M → 21M46200-239#15669#15908
21M → 35K24200-265#15908#16173
35K → 23M21200-445#16173#16618
23M → 24M38194-156#16618#16774
24M → 40K35132-97#16774#16871
40K → 25.2M3530+5#16871#16866
25.2M → FINISH7947+32#16866#16834
TOTALS1321*2226-2647

* 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