Boston Marathon logo
BOSTON MARATHON 2024

Shan Ju Kuo

Bib: 14198•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 31%
Division (F18-39)
#0 / 4660
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:11:44
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:37:34
↑ 106↓ 860.1%
Half· 13.11 mi
9:39/mi
1:44:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:04:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:31:47
↑ 181↓ 1480.2%
20M
8:55/mi
2:43:54
↑ 64↓ 500.2%
21M
9:29/mi
2:53:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:59:17
↑ 17↓ 861.7%
23M
8:32/mi
3:09:58
↑ 23↓ 630.6%
24M
8:26/mi
3:18:24
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:25:34
↓ 200.3%
25.2M
9:37/mi
3:28:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:37:23
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:53:14
Pace8:38 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5023:307:3423:30
7:34
-
10K
6.21 mi11:18:4747:277:3823:57
7:43
+0:09
15K
9.32 mi11:43:041:11:447:4224:17
7:49
+0:06
20K
12.43 mi12:08:541:37:347:5125:50
8:19
+0:30
Half
13.11 mi12:15:291:44:097:576:35
9:39
+1:20
25K
15.53 mi12:35:462:04:268:0120:17
8:22
-1:17
30K
18.64 mi13:03:072:31:478:0927:21
8:48
+0:26
20M
20.00 mi13:15:142:43:548:1212:07
8:55
+0:07
21M
21.00 mi13:24:432:53:238:159:29
9:29
+0:34
35K
21.75 mi13:30:372:59:178:155:54
7:53
-1:36
23M
23.00 mi13:41:183:09:588:1610:41
8:32
+0:39
24M
24.00 mi13:49:443:18:248:168:26
8:26
-0:06
40K
24.85 mi13:56:543:25:348:167:10
8:23
-0:03
25.2M
25.20 mi14:00:133:28:538:173:19
9:37
+1:14
Finish
26.22 mi14:08:433:37:238:188:30
8:20
-1:17

Checkpoints & Pacing

📈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

7:34 /mi

Average Pace

8:18 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:38

36% of race

Time at Steady Pace

1:20:54

37% of race

Time at Slower Pace

58:51

27% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:5023:307:3423:30
7:34
#11296
10K
6.21 mi11:18:4747:277:3823:57
7:43
#11555
15K
9.32 mi11:43:041:11:447:4224:17
7:49
#11720
20K
12.43 mi12:08:541:37:347:5125:50
8:19
#12274
Half
13.11 mi12:15:291:44:097:576:35
9:39
#12916
25K
15.53 mi12:35:462:04:268:0120:17
8:22
#12798
30K
18.64 mi13:03:072:31:478:0927:21
8:48
#12617
20M
20.00 mi13:15:142:43:548:1212:07
8:55
#12502
21M
21.00 mi13:24:432:53:238:159:29
9:29
#12336
35K
21.75 mi13:30:372:59:178:155:54
7:53
#12122
23M
23.00 mi13:41:183:09:588:1610:41
8:32
#11869
24M
24.00 mi13:49:443:18:248:168:26
8:26
#11692
40K
24.85 mi13:56:543:25:348:167:10
8:23
#11465
25.2M
25.20 mi14:00:133:28:538:173:19
9:37
#11396
Finish
26.22 mi14:08:433:37:238:188:30
8:20
#11318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112962728272812066(Top 47%)3281(Top 30%)3281(Top 70%)
10K6.21 mi3.10 mi11555-2592909-1812909-18111951(Top 47%)3166(Top 29%)3166(Top 68%)
15K9.32 mi3.11 mi11720-1653048-1393048-13912066(Top 47%)3281(Top 30%)3281(Top 70%)
20K12.43 mi3.11 mi12274-5543370-3223370-32213805(Top 54%)4305(Top 39%)4305(Top 92%)
Half13.11 mi0.68 mi12916-6423736-3663736-36620530(Top 80%)8155(Top 75%)8155(Top 175%)
25K15.53 mi2.42 mi12798+1183704+323704+3212352(Top 48%)3700(Top 34%)3700(Top 79%)
30K18.64 mi3.11 mi12617+1813686+183686+1812208(Top 48%)3838(Top 35%)3838(Top 82%)
20M20.00 mi1.36 mi12502+1153685+13685+111702(Top 46%)3859(Top 35%)3859(Top 83%)
21M21.00 mi1.00 mi12336+1663656+293656+2910777(Top 42%)3621(Top 33%)3621(Top 78%)
35K21.75 mi0.75 mi12122+2143574+823574+827146(Top 28%)1834(Top 17%)1834(Top 39%)
23M23.00 mi1.25 mi11869+2533502+723502+728671(Top 34%)2714(Top 25%)2714(Top 58%)
24M24.00 mi1.00 mi11692+1773457+453457+459080(Top 36%)2989(Top 27%)2989(Top 64%)
40K24.85 mi0.85 mi11465+2273379+783379+787794(Top 31%)2512(Top 23%)2512(Top 54%)
25.2M25.20 mi0.35 mi11396+693368+113368+119272(Top 36%)3287(Top 30%)3287(Top 71%)
Finish26.22 mi1.02 mi11318+783369-13369-110625(Top 42%)3800(Top 35%)3800(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12066

Females

3281

F18-39

3281

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11951

Females

3166

F18-39

3166

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12066

Females

3281

F18-39

3281

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

13805

Females

4305

F18-39

4305

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

20530

Females

8155

F18-39

8155

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12352

Females

3700

F18-39

3700

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12208

Females

3838

F18-39

3838

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11702

Females

3859

F18-39

3859

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10777

Females

3621

F18-39

3621

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7146

Females

1834

F18-39

1834

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8671

Females

2714

F18-39

2714

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9080

Females

2989

F18-39

2989

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7794

Females

2512

F18-39

2512

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9272

Females

3287

F18-39

3287

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10625

Females

3800

F18-39

3800

Passing Analysis

Category:
Athletes Passed
2665
Passed By
2687
Net Change
-22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11296
5K → 10K185444-259#11296#11555
10K → 15K167332-165#11555#11720
15K → 20K104658-554#11720#12274
20K → Half5647-642#12274#12916
Half → 25K300182+118#12916#12798
25K → 30K379198+181#12798#12617
30K → 20M18469+115#12617#12502
20M → 21M21549+166#12502#12336
21M → 35K2162+214#12336#12122
35K → 23M27320+253#12122#11869
23M → 24M19821+177#11869#11692
24M → 40K2369+227#11692#11465
40K → 25.2M7910+69#11465#11396
25.2M → Finish12446+78#11396#11318
TOTALS26652687-22
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing