Boston Marathon logo
BOSTON MARATHON 2024

Say-Yeon Kwon

Bib: 15335•F

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 17%
Division (F18-39)
#0 / 4660
Top 31%
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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:34
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:34:02
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:39:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:57:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:22:13
↑ 181↓ 1480.2%
20M
7:50/mi
2:32:52
↑ 64↓ 500.2%
21M
8:58/mi
2:41:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:47:47
↑ 17↓ 861.7%
23M
8:41/mi
2:58:39
↑ 23↓ 630.6%
24M
8:27/mi
3:07:06
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:14:53
↓ 200.3%
25.2M
8:42/mi
3:17:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:25:45
↑ 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
Time1:39:15
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:46:30
Pace8:07 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3723:547:4223:54
7:42
-
10K
6.21 mi11:20:5747:147:3623:20
7:31
-0:11
15K
9.32 mi11:44:171:10:347:3423:20
7:31
0:00
20K
12.43 mi12:07:451:34:027:3423:28
7:33
+0:02
Half
13.11 mi12:12:581:39:157:345:13
7:39
+0:06
25K
15.53 mi12:31:331:57:507:3518:35
7:40
+0:01
30K
18.64 mi12:55:562:22:137:3824:23
7:51
+0:11
20M
20.00 mi13:06:352:32:527:3910:39
7:50
-0:01
21M
21.00 mi13:15:332:41:507:428:58
8:58
+1:08
35K
21.75 mi13:21:302:47:477:435:57
7:57
-1:01
23M
23.00 mi13:32:222:58:397:4610:52
8:41
+0:44
24M
24.00 mi13:40:493:07:067:488:27
8:27
-0:14
40K
24.85 mi13:48:363:14:537:507:47
9:06
+0:39
25.2M
25.20 mi13:51:363:17:537:513:00
8:42
-0:24
Finish
26.22 mi13:59:283:25:457:517:52
7:43
-0:59

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

7:31 /mi

Average Pace

7:51 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:08

34% of race

Time at Steady Pace

1:36:33

47% of race

Time at Slower Pace

39:04

19% of race

Average Pace: 7:51 /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 mi10:57:3723:547:4223:54
7:42
#12260
10K
6.21 mi11:20:5747:147:3623:20
7:31
#11289
15K
9.32 mi11:44:171:10:347:3423:20
7:31
#10739
20K
12.43 mi12:07:451:34:027:3423:28
7:33
#10145
Half
13.11 mi12:12:581:39:157:345:13
7:39
#10154
25K
15.53 mi12:31:331:57:507:3518:35
7:40
#9692
30K
18.64 mi12:55:562:22:137:3824:23
7:51
#9069
20M
20.00 mi13:06:352:32:527:3910:39
7:50
#8724
21M
21.00 mi13:15:332:41:507:428:58
8:58
#8610
35K
21.75 mi13:21:302:47:477:435:57
7:57
#8522
23M
23.00 mi13:32:222:58:397:4610:52
8:41
#8492
24M
24.00 mi13:40:493:07:067:488:27
8:27
#8488
40K
24.85 mi13:48:363:14:537:507:47
9:06
#8562
25.2M
25.20 mi13:51:363:17:537:513:00
8:42
#8468
Finish
26.22 mi13:59:283:25:457:517:52
7:43
#8363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12260327932799769(Top 38%)2062(Top 19%)2062(Top 44%)
10K6.21 mi3.10 mi11289+9712767+5122767+51210369(Top 41%)2283(Top 21%)2283(Top 49%)
15K9.32 mi3.11 mi10739+5502487+2802487+2809769(Top 38%)2062(Top 19%)2062(Top 44%)
20K12.43 mi3.11 mi10145+5942226+2612226+2618778(Top 34%)1718(Top 16%)1718(Top 37%)
Half13.11 mi0.68 mi10154-92234-82234-810218(Top 40%)2397(Top 22%)2397(Top 51%)
25K15.53 mi2.42 mi9692+4622058+1762058+1768076(Top 32%)1593(Top 15%)1593(Top 34%)
30K18.64 mi3.11 mi9069+6231846+2121846+2127012(Top 27%)1364(Top 12%)1364(Top 29%)
20M20.00 mi1.36 mi8724+3451749+971749+975918(Top 23%)1105(Top 10%)1105(Top 24%)
21M21.00 mi1.00 mi8610+1141753-41753-48444(Top 33%)2406(Top 22%)2406(Top 52%)
35K21.75 mi0.75 mi8522+88175317537531(Top 29%)2001(Top 18%)2001(Top 43%)
23M23.00 mi1.25 mi8492+301806-531806-539444(Top 37%)3100(Top 28%)3100(Top 67%)
24M24.00 mi1.00 mi8488+41849-431849-439165(Top 36%)3009(Top 28%)3009(Top 65%)
40K24.85 mi0.85 mi8562-741925-761925-7611355(Top 44%)4213(Top 39%)4213(Top 90%)
25.2M25.20 mi0.35 mi8468+941910+151910+155314(Top 21%)1417(Top 13%)1417(Top 30%)
Finish26.22 mi1.02 mi8363+1051902+81902+86878(Top 27%)2056(Top 19%)2056(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9769

Females

2062

F18-39

2062

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10369

Females

2283

F18-39

2283

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9769

Females

2062

F18-39

2062

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8778

Females

1718

F18-39

1718

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10218

Females

2397

F18-39

2397

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8076

Females

1593

F18-39

1593

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7012

Females

1364

F18-39

1364

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

5918

Females

1105

F18-39

1105

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8444

Females

2406

F18-39

2406

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7531

Females

2001

F18-39

2001

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9444

Females

3100

F18-39

3100

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9165

Females

3009

F18-39

3009

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11355

Females

4213

F18-39

4213

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5314

Females

1417

F18-39

1417

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

6878

Females

2056

F18-39

2056

Passing Analysis

Category:
Athletes Passed
4511
Passed By
614
Net Change
+3897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12260
5K → 10K99827+971#12260#11289
10K → 15K57222+550#11289#10739
15K → 20K60612+594#10739#10145
20K → Half3241-9#10145#10154
Half → 25K48321+462#10154#9692
25K → 30K64219+623#9692#9069
30K → 20M3505+345#9069#8724
20M → 21M17056+114#8724#8610
21M → 35K11931+88#8610#8522
35K → 23M143113+30#8522#8492
23M → 24M9894+4#8492#8488
24M → 40K66140-74#8488#8562
40K → 25.2M1006+94#8562#8468
25.2M → Finish13227+105#8468#8363
TOTALS4511614+3897
📊

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