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BOSTON MARATHON 2026

Yuna Chi

Bib: 14818 •F •Age: N/A

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0:00
0:00
/ mi
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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
24:35
3.11 mi
Rank: #16300
Start → 5K
24:35 | 7:55/mi
10K
49:18
6.21 mi
Rank: #16603 (-303)
5K → 10K
24:43 | 7:58/mi
15K
1:14:09
9.32 mi
Rank: #16730 (-127)
10K → 15K
24:51 | 8:00/mi
20K
1:39:15
12.43 mi
Rank: #16701 (+29)
15K → 20K
25:06 | 8:05/mi
HALF
1:44:39
13.11 mi
Rank: #16679 (+22)
20K → HALF
5:24 | 7:56/mi
25K
2:05:11
15.53 mi
Rank: #16982 (-303)
HALF → 25K
20:32 | 8:28/mi
30K
2:31:58
18.64 mi
Rank: #17050 (-68)
25K → 30K
26:47 | 8:38/mi
20M
2:43:57
20.00 mi
Rank: #17124 (-74)
30K → 20M
11:59 | 8:50/mi
21M
2:52:58
21.00 mi
Rank: #17044 (+80)
20M → 21M
9:01 | 9:01/mi
35K
2:59:13
21.75 mi
Rank: #17017 (+27)
21M → 35K
6:15 | 8:22/mi
23M
3:09:58
23.00 mi
Rank: #16954 (+63)
35K → 23M
10:45 | 8:36/mi
24M
3:18:30
24.00 mi
Rank: #16921 (+33)
23M → 24M
8:32 | 8:32/mi
40K
3:25:33
24.85 mi
Rank: #16824 (+97)
24M → 40K
7:03 | 8:15/mi
25.2M
3:28:42
25.20 mi
Rank: #16780 (+44)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:37:04
26.22 mi
Rank: #16762 (+18)
25.2M → FINISH
8:22 | 8:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:52:25
Pace8:35 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:2324:357:5524:35
7:55
-
10K
6.21 mi11:22:0649:187:5724:43
7:58
+0:03
15K
9.32 mi11:46:571:14:097:5824:51
8:00
+0:02
20K
12.43 mi12:12:031:39:158:0025:06
8:05
+0:05
HALF
13.11 mi12:17:271:44:397:595:24
7:56
-0:09
25K
15.53 mi12:37:592:05:118:0420:32
8:28
+0:32
30K
18.64 mi13:04:462:31:588:1026:47
8:38
+0:10
20M
20.00 mi13:16:452:43:578:1211:59
8:50
+0:12
21M
21.00 mi13:25:462:52:588:159:01
9:01
+0:11
35K
21.75 mi13:32:012:59:138:156:15
8:22
-0:39
23M
23.00 mi13:42:463:09:588:1610:45
8:36
+0:14
24M
24.00 mi13:51:183:18:308:178:32
8:32
-0:04
40K
24.85 mi13:58:213:25:338:177:03
8:15
-0:17
25.2M
25.20 mi14:01:303:28:428:173:09
9:09
+0:54
FINISH
26.22 mi14:09:523:37:048:188:22
8:13
-0:56

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

7:55 /mi

Average Pace

8:17 /mi

Slowest Pace

9:09 /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

3:12:55

89% of race

Time at Steady Pace

24:09

11% of race

Time at Slower Pace

0:00

0% 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 mi10:57:2324:357:5524:35
7:55
#16300
10K
6.21 mi11:22:0649:187:5724:43
7:58
#16603
15K
9.32 mi11:46:571:14:097:5824:51
8:00
#16730
20K
12.43 mi12:12:031:39:158:0025:06
8:05
#16701
HALF
13.11 mi12:17:271:44:397:595:24
7:56
#16679
25K
15.53 mi12:37:592:05:118:0420:32
8:28
#16982
30K
18.64 mi13:04:462:31:588:1026:47
8:38
#17050
20M
20.00 mi13:16:452:43:578:1211:59
8:50
#17124
21M
21.00 mi13:25:462:52:588:159:01
9:01
#17044
35K
21.75 mi13:32:012:59:138:156:15
8:22
#17017
23M
23.00 mi13:42:463:09:588:1610:45
8:36
#16954
24M
24.00 mi13:51:183:18:308:178:32
8:32
#16921
40K
24.85 mi13:58:213:25:338:177:03
8:15
#16824
25.2M
25.20 mi14:01:303:28:428:173:09
9:09
#16780
FINISH
26.22 mi14:09:523:37:048:188:22
8:13
#16762
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 mi163005503550317017(Top 59%)5921(Top 47%)5921(Top 104%)
10K6.21 mi3.10 mi16603-3035701-1985701-19816905(Top 58%)5858(Top 47%)5858(Top 102%)
15K9.32 mi3.11 mi16730-1275762-615762-6117017(Top 59%)5921(Top 47%)5921(Top 104%)
20K12.43 mi3.11 mi16701+295754+85754+816724(Top 58%)5780(Top 46%)5780(Top 101%)
HALF13.11 mi0.68 mi16679+225748+65748+616604(Top 57%)5696(Top 45%)5696(Top 100%)
25K15.53 mi2.42 mi16982-3035932-1845932-18418382(Top 63%)6776(Top 54%)6776(Top 119%)
30K18.64 mi3.11 mi17050-685987-555987-5517584(Top 61%)6437(Top 51%)6437(Top 113%)
20M20.00 mi1.36 mi17124-746046-596046-5918085(Top 62%)6803(Top 54%)6803(Top 119%)
21M21.00 mi1.00 mi17044+806016+306016+3016246(Top 56%)5831(Top 46%)5831(Top 102%)
35K21.75 mi0.75 mi17017+276024-86024-816790(Top 58%)6201(Top 49%)6201(Top 108%)
23M23.00 mi1.25 mi16954+636011+136011+1316271(Top 56%)5995(Top 48%)5995(Top 105%)
24M24.00 mi1.00 mi16921+336024-136024-1317118(Top 59%)6538(Top 52%)6538(Top 114%)
40K24.85 mi0.85 mi16824+975978+465978+4614141(Top 49%)4968(Top 39%)4968(Top 87%)
25.2M25.20 mi0.35 mi16780+445967+115967+1115516(Top 53%)5715(Top 45%)5715(Top 100%)
FINISH26.22 mi1.02 mi16762+185975-85975-816494(Top 57%)6218(Top 49%)6218(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17017

Females

5921

F18-39

5921

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16905

Females

5858

F18-39

5858

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17017

Females

5921

F18-39

5921

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16724

Females

5780

F18-39

5780

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16604

Females

5696

F18-39

5696

HALF→25K

13.1 - 15.5 mi

Top 63%
×4
+66ft-88ft

Overall

18382

Females

6776

F18-39

6776

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17584

Females

6437

F18-39

6437

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18085

Females

6803

F18-39

6803

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16246

Females

5831

F18-39

5831

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16790

Females

6201

F18-39

6201

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16271

Females

5995

F18-39

5995

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17118

Females

6538

F18-39

6538

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14141

Females

4968

F18-39

4968

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15516

Females

5715

F18-39

5715

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16494

Females

6218

F18-39

6218

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1501
Passed By
1402
Net Change
-462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16300
5K → 10K156200-303#16300#16603
10K → 15K162200-127#16603#16730
15K → 20K187158+29#16730#16701
20K → HALF4119+22#16701#16679
HALF → 25K66200-303#16679#16982
25K → 30K176200-68#16982#17050
30K → 20M63137-74#17050#17124
20M → 21M13353+80#17124#17044
21M → 35K6740+27#17044#17017
35K → 23M12461+63#17017#16954
23M → 24M8956+33#16954#16921
24M → 40K11518+97#16921#16824
40K → 25.2M539+44#16824#16780
25.2M → FINISH6951+18#16780#16762
TOTALS15011402-462
📊

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