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BOSTON MARATHON 2026

Su Fu

Bib: 14453•F

CA

Boston Marathon logo
0:00
0:00
/ mi
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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
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
22:39
3.11 mi
Rank: #10972
Start → 5K
22:39 | 7:18/mi
10K
45:21
6.21 mi
Rank: #11066 (-94)
5K → 10K
22:42 | 7:19/mi
15K
1:07:49
9.32 mi
Rank: #10831 (+235)
10K → 15K
22:28 | 7:14/mi
20K
1:30:24
12.43 mi
Rank: #10544 (+287)
15K → 20K
22:35 | 7:17/mi
HALF
1:35:16
13.11 mi
Rank: #10495 (+49)
20K → HALF
4:52 | 7:09/mi
25K
1:53:14
15.53 mi
Rank: #10493 (+2)
HALF → 25K
17:58 | 7:25/mi
30K
2:16:00
18.64 mi
Rank: #10017 (+476)
25K → 30K
22:46 | 7:20/mi
20M
2:25:58
20.00 mi
Rank: #9826 (+191)
30K → 20M
9:58 | 7:21/mi
21M
2:33:56
21.00 mi
Rank: #9783 (+43)
20M → 21M
7:58 | 7:58/mi
35K
2:39:15
21.75 mi
Rank: #9676 (+107)
21M → 35K
5:19 | 7:07/mi
23M
2:48:37
23.00 mi
Rank: #9552 (+124)
35K → 23M
9:22 | 7:30/mi
24M
2:55:51
24.00 mi
Rank: #9430 (+122)
23M → 24M
7:14 | 7:14/mi
40K
3:02:14
24.85 mi
Rank: #9372 (+58)
24M → 40K
6:23 | 7:28/mi
25.2M
3:05:13
25.20 mi
Rank: #9428 (-56)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:12:37
26.22 mi
Rank: #9404 (+24)
25.2M → FINISH
7:24 | 7:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:16
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1822:397:1822:39
7:18
-
10K
6.21 mi11:17:0045:217:1822:42
7:19
+0:01
15K
9.32 mi11:39:281:07:497:1722:28
7:14
-0:05
20K
12.43 mi12:02:031:30:247:1722:35
7:17
+0:03
HALF
13.11 mi12:06:551:35:167:174:52
7:09
-0:08
25K
15.53 mi12:24:531:53:147:1817:58
7:25
+0:16
30K
18.64 mi12:47:392:16:007:1822:46
7:20
-0:05
20M
20.00 mi12:57:372:25:587:189:58
7:21
+0:01
21M
21.00 mi13:05:352:33:567:207:58
7:58
+0:37
35K
21.75 mi13:10:542:39:157:205:19
7:07
-0:51
23M
23.00 mi13:20:162:48:377:209:22
7:30
+0:23
24M
24.00 mi13:27:302:55:517:207:14
7:14
-0:16
40K
24.85 mi13:33:533:02:147:206:23
7:28
+0:14
25.2M
25.20 mi13:36:523:05:137:212:59
8:40
+1:12
FINISH
26.22 mi13:44:163:12:377:227:24
7:16
-1:24

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

7:07 /mi

Average Pace

7:21 /mi

Slowest Pace

8:40 /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

5:19

3% of race

Time at Steady Pace

2:56:21

92% of race

Time at Slower Pace

10:57

6% of race

Average Pace: 7:21 /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 mi10:54:1822:397:1822:39
7:18
#10972
10K
6.21 mi11:17:0045:217:1822:42
7:19
#11066
15K
9.32 mi11:39:281:07:497:1722:28
7:14
#10831
20K
12.43 mi12:02:031:30:247:1722:35
7:17
#10544
HALF
13.11 mi12:06:551:35:167:174:52
7:09
#10495
25K
15.53 mi12:24:531:53:147:1817:58
7:25
#10493
30K
18.64 mi12:47:392:16:007:1822:46
7:20
#10017
20M
20.00 mi12:57:372:25:587:189:58
7:21
#9826
21M
21.00 mi13:05:352:33:567:207:58
7:58
#9783
35K
21.75 mi13:10:542:39:157:205:19
7:07
#9676
23M
23.00 mi13:20:162:48:377:209:22
7:30
#9552
24M
24.00 mi13:27:302:55:517:207:14
7:14
#9430
40K
24.85 mi13:33:533:02:147:206:23
7:28
#9372
25.2M
25.20 mi13:36:523:05:137:212:59
8:40
#9428
FINISH
26.22 mi13:44:163:12:377:227:24
7:16
#9404
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 mi109722351235110397(Top 36%)2161(Top 17%)2161(Top 38%)
10K6.21 mi3.10 mi11066-942435-842435-8411223(Top 39%)2556(Top 20%)2556(Top 45%)
15K9.32 mi3.11 mi10831+2352344+912344+9110397(Top 36%)2161(Top 17%)2161(Top 38%)
20K12.43 mi3.11 mi10544+2872237+1072237+1079919(Top 34%)2005(Top 16%)2005(Top 35%)
HALF13.11 mi0.68 mi10495+492205+322205+329836(Top 34%)1906(Top 15%)1906(Top 33%)
25K15.53 mi2.42 mi10493+22236-312236-3110648(Top 37%)2448(Top 19%)2448(Top 43%)
30K18.64 mi3.11 mi10017+4762050+1862050+1868328(Top 29%)1522(Top 12%)1522(Top 27%)
20M20.00 mi1.36 mi9826+1911981+691981+697979(Top 27%)1476(Top 12%)1476(Top 26%)
21M21.00 mi1.00 mi9783+431979+21979+29680(Top 33%)2336(Top 19%)2336(Top 41%)
35K21.75 mi0.75 mi9676+1071940+391940+397950(Top 27%)1542(Top 12%)1542(Top 27%)
23M23.00 mi1.25 mi9552+1241916+241916+248779(Top 30%)1999(Top 16%)1999(Top 35%)
24M24.00 mi1.00 mi9430+1221880+361880+368128(Top 28%)1785(Top 14%)1785(Top 31%)
40K24.85 mi0.85 mi9372+581879+11879+18643(Top 30%)2095(Top 17%)2095(Top 37%)
25.2M25.20 mi0.35 mi9428-561918-391918-3912593(Top 43%)4125(Top 33%)4125(Top 72%)
FINISH26.22 mi1.02 mi9404+241941-231941-239599(Top 33%)2645(Top 21%)2645(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21
+97ft-345ft

Overall

10397

Females

2161

F18-39

2161

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11223

Females

2556

F18-39

2556

10K→15K

6.2 - 9.3 mi

Top 36%
×3
+67ft-78ft

Overall

10397

Females

2161

F18-39

2161

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9919

Females

2005

F18-39

2005

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9836

Females

1906

F18-39

1906

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10648

Females

2448

F18-39

2448

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8328

Females

1522

F18-39

1522

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7979

Females

1476

F18-39

1476

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9680

Females

2336

F18-39

2336

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7950

Females

1542

F18-39

1542

35K→23M

21.8 - 23.0 mi

Top 30%
×5
+23ft-63ft

Overall

8779

Females

1999

F18-39

1999

23M→24M

23.0 - 24.0 mi

Top 28%
×6
+12ft-82ft

Overall

8128

Females

1785

F18-39

1785

24M→40K

24.0 - 24.9 mi

Top 30%
×1
+6ft-20ft

Overall

8643

Females

2095

F18-39

2095

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12593

Females

4125

F18-39

4125

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9599

Females

2645

F18-39

2645

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2406*
Passed By
837
Net Change
+1568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10972
5K → 10K195288-94#10972#11066
10K → 15K29661+235#11066#10831
15K → 20K32437+287#10831#10544
20K → HALF5910+49#10544#10495
HALF → 25K132130+2#10495#10493
25K → 30K492*16+476#10493#10017
30K → 20M20514+191#10017#9826
20M → 21M9148+43#9826#9783
21M → 35K1125+107#9783#9676
35K → 23M15733+124#9676#9552
23M → 24M14018+122#9552#9430
24M → 40K9941+58#9430#9372
40K → 25.2M2480-56#9372#9428
25.2M → FINISH8056+24#9428#9404
TOTALS2406*837+1568

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing