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BOSTON MARATHON 2026

Natalie Tsang

Bib: 15204•F

BC

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 24%
Gender (Female)
#0 / 12578
Top 7%
Age Group (F18-39)
#0 / 5716
Top 13%
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
21:42
3.11 mi
Rank: #8427
Start → 5K
21:42 | 7:00/mi
10K
43:53
6.21 mi
Rank: #9067 (-640)
5K → 10K
22:11 | 7:09/mi
15K
1:05:43
9.32 mi
Rank: #8935 (+132)
10K → 15K
21:50 | 7:02/mi
20K
1:27:30
12.43 mi
Rank: #8661 (+274)
15K → 20K
21:47 | 7:01/mi
HALF
1:32:10
13.11 mi
Rank: #8596 (+65)
20K → HALF
4:40 | 6:51/mi
25K
1:49:02
15.53 mi
Rank: #8323 (+273)
HALF → 25K
16:52 | 6:58/mi
30K
2:10:49
18.64 mi
Rank: #7834 (+489)
25K → 30K
21:47 | 7:01/mi
20M
2:20:24
20.00 mi
Rank: #7650 (+184)
30K → 20M
9:35 | 7:04/mi
21M
2:27:38
21.00 mi
Rank: #7463 (+187)
20M → 21M
7:14 | 7:14/mi
35K
2:32:39
21.75 mi
Rank: #7343 (+120)
21M → 35K
5:01 | 6:43/mi
23M
2:41:20
23.00 mi
Rank: #7131 (+212)
35K → 23M
8:41 | 6:57/mi
24M
2:48:16
24.00 mi
Rank: #7028 (+103)
23M → 24M
6:56 | 6:56/mi
40K
2:54:15
24.85 mi
Rank: #6919 (+109)
24M → 40K
5:59 | 7:00/mi
25.2M
2:56:53
25.20 mi
Rank: #6887 (+32)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:03:51
26.22 mi
Rank: #6823 (+64)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:32:10
Pace7:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:41
Pace7:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1121:427:0021:42
7:00
-
10K
6.21 mi11:15:2243:537:0422:11
7:09
+0:09
15K
9.32 mi11:37:121:05:437:0421:50
7:02
-0:07
20K
12.43 mi11:58:591:27:307:0321:47
7:01
-0:01
HALF
13.11 mi12:03:391:32:107:024:40
6:51
-0:10
25K
15.53 mi12:20:311:49:027:0216:52
6:58
+0:07
30K
18.64 mi12:42:182:10:497:0221:47
7:01
+0:03
20M
20.00 mi12:51:532:20:247:029:35
7:04
+0:03
21M
21.00 mi12:59:072:27:387:027:14
7:14
+0:10
35K
21.75 mi13:04:082:32:397:025:01
6:43
-0:31
23M
23.00 mi13:12:492:41:207:018:41
6:57
+0:14
24M
24.00 mi13:19:452:48:167:016:56
6:56
-0:01
40K
24.85 mi13:25:442:54:157:015:59
7:00
+0:04
25.2M
25.20 mi13:28:222:56:537:022:38
7:39
+0:39
FINISH
26.22 mi13:35:203:03:517:026:58
6:51
-0:48

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

6:43 /mi

Average Pace

7:01 /mi

Slowest Pace

7:39 /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

3:01:13

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:01 /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 mi10:53:1121:427:0021:42
7:00
#8427
10K
6.21 mi11:15:2243:537:0422:11
7:09
#9067
15K
9.32 mi11:37:121:05:437:0421:50
7:02
#8935
20K
12.43 mi11:58:591:27:307:0321:47
7:01
#8661
HALF
13.11 mi12:03:391:32:107:024:40
6:51
#8596
25K
15.53 mi12:20:311:49:027:0216:52
6:58
#8323
30K
18.64 mi12:42:182:10:497:0221:47
7:01
#7834
20M
20.00 mi12:51:532:20:247:029:35
7:04
#7650
21M
21.00 mi12:59:072:27:387:027:14
7:14
#7463
35K
21.75 mi13:04:082:32:397:025:01
6:43
#7343
23M
23.00 mi13:12:492:41:207:018:41
6:57
#7131
24M
24.00 mi13:19:452:48:167:016:56
6:56
#7028
40K
24.85 mi13:25:442:54:157:015:59
7:00
#6919
25.2M
25.20 mi13:28:222:56:537:022:38
7:39
#6887
FINISH
26.22 mi13:35:203:03:517:026:58
6:51
#6823
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 mi8427121412148744(Top 30%)1393(Top 11%)1393(Top 24%)
10K6.21 mi3.10 mi9067-6401466-2521466-2529711(Top 33%)1759(Top 14%)1759(Top 31%)
15K9.32 mi3.11 mi8935+1321430+361430+368744(Top 30%)1393(Top 11%)1393(Top 24%)
20K12.43 mi3.11 mi8661+2741349+811349+817966(Top 27%)1120(Top 9%)1120(Top 20%)
HALF13.11 mi0.68 mi8596+651335+141335+147569(Top 26%)972(Top 8%)972(Top 17%)
25K15.53 mi2.42 mi8323+2731236+991236+997104(Top 24%)902(Top 7%)902(Top 16%)
30K18.64 mi3.11 mi7834+4891087+1491087+1496003(Top 21%)691(Top 5%)691(Top 12%)
20M20.00 mi1.36 mi7650+1841041+461041+465969(Top 21%)733(Top 6%)733(Top 13%)
21M21.00 mi1.00 mi7463+187996+45996+454883(Top 17%)574(Top 5%)574(Top 10%)
35K21.75 mi0.75 mi7343+120968+28968+285069(Top 17%)586(Top 5%)586(Top 10%)
23M23.00 mi1.25 mi7131+212927+41927+415061(Top 17%)611(Top 5%)611(Top 11%)
24M24.00 mi1.00 mi7028+103921+6921+66063(Top 21%)974(Top 8%)974(Top 17%)
40K24.85 mi0.85 mi6919+109893+28893+285523(Top 19%)849(Top 7%)849(Top 15%)
25.2M25.20 mi0.35 mi6887+32891+2891+26116(Top 21%)1099(Top 9%)1099(Top 19%)
FINISH26.22 mi1.02 mi6823+64887+4887+46395(Top 22%)1245(Top 10%)1245(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8744

Females

1393

F18-39

1393

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9711

Females

1759

F18-39

1759

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8744

Females

1393

F18-39

1393

15K→20K

9.3 - 12.4 mi

Top 27%
×5
+106ft-86ft

Overall

7966

Females

1120

F18-39

1120

20K→HALF

12.4 - 13.1 mi

Top 26%
×2
+19ft-37ft

Overall

7569

Females

972

F18-39

972

HALF→25K

13.1 - 15.5 mi

Top 24%
×4
+66ft-88ft

Overall

7104

Females

902

F18-39

902

25K→30K

15.5 - 18.6 mi

Top 21%
×9
+181ft-148ft

Overall

6003

Females

691

F18-39

691

30K→20M

18.6 - 20.0 mi

Top 21%
×5
+64ft-50ft

Overall

5969

Females

733

F18-39

733

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

4883

Females

574

F18-39

574

21M→35K

21.0 - 21.8 mi

Top 17%
×7
+17ft-86ft

Overall

5069

Females

586

F18-39

586

35K→23M

21.8 - 23.0 mi

Top 17%
×5
+23ft-63ft

Overall

5061

Females

611

F18-39

611

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

6063

Females

974

F18-39

974

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5523

Females

849

F18-39

849

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

6116

Females

1099

F18-39

1099

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6395

Females

1245

F18-39

1245

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2509
Passed By
905
Net Change
+1604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8427
5K → 10K61701-640#8427#9067
10K → 15K21785+132#9067#8935
15K → 20K29521+274#8935#8661
20K → HALF672+65#8661#8596
HALF → 25K28310+273#8596#8323
25K → 30K4967+489#8323#7834
30K → 20M1895+184#7834#7650
20M → 21M1925+187#7650#7463
21M → 35K1222+120#7463#7343
35K → 23M2197+212#7343#7131
23M → 24M11916+103#7131#7028
24M → 40K11910+109#7028#6919
40K → 25.2M419+32#6919#6887
25.2M → FINISH8925+64#6887#6823
TOTALS2509905+1604
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing