Boston Marathon logo
BOSTON MARATHON 2024

Yeon Woo Lee

Bib: 12659•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:56
Rank: #22108
Start → 5K
9:38/mi
29:56 split
10K· 6.21 mi
1:02:05
Rank: #22762 (-654)
5K → 10K
10:21/mi
32:09 split
15K· 9.32 mi
1:34:05
Rank: #22698 (+64)
10K → 15K
10:18/mi
32:00 split
20K· 12.43 mi
2:08:33
Rank: #22712 (-14)
15K → 20K
11:06/mi
34:28 split
Half· 13.11 mi
2:16:13
Rank: #22774 (-62)
20K → Half
11:14/mi
7:40 split
25K· 15.53 mi
2:44:08
Rank: #22718 (+56)
Half → 25K
11:31/mi
27:55 split
30K· 18.64 mi
3:21:13
Rank: #22565 (+153)
25K → 30K
11:56/mi
37:05 split
20M
3:36:02
Rank: #22330 (+235)
30K → 20M
10:54/mi
14:49 split
21M
3:48:09
Rank: #22150 (+180)
20M → 21M
12:07/mi
12:07 split
35K· 21.75 mi
3:57:11
Rank: #22159 (-9)
21M → 35K
12:04/mi
9:02 split
23M
4:12:54
Rank: #22145 (+14)
35K → 23M
12:33/mi
15:43 split
24M
4:24:24
Rank: #22060 (+85)
23M → 24M
11:30/mi
11:30 split
40K· 24.85 mi
4:34:28
Rank: #21971 (+89)
24M → 40K
11:46/mi
10:04 split
25.2M
4:39:40
Rank: #22010 (-39)
40K → 25.2M
15:05/mi
5:12 split
Finish· 26.22 mi
4:50:58
Rank: #22004 (+6)
25.2M → Finish
11:05/mi
11:18 split

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
Time2:16:13
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:34:45
Pace11:48 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:4229:569:3829:56
9:38
-
10K
6.21 mi11:30:511:02:059:5932:09
10:21
+0:43
15K
9.32 mi12:02:511:34:0510:0632:00
10:18
-0:03
20K
12.43 mi12:37:192:08:3310:2134:28
11:06
+0:48
Half
13.11 mi12:44:592:16:1310:237:40
11:14
+0:08
25K
15.53 mi13:12:542:44:0810:3427:55
11:31
+0:17
30K
18.64 mi13:49:593:21:1310:4837:05
11:56
+0:25
20M
20.00 mi14:04:483:36:0210:4814:49
10:54
-1:02
21M
21.00 mi14:16:553:48:0910:5212:07
12:07
+1:13
35K
21.75 mi14:25:573:57:1110:549:02
12:04
-0:03
23M
23.00 mi14:41:404:12:5411:0015:43
12:33
+0:29
24M
24.00 mi14:53:104:24:2411:0111:30
11:30
-1:03
40K
24.85 mi15:03:144:34:2811:0310:04
11:46
+0:16
25.2M
25.20 mi15:08:264:39:4011:065:12
15:05
+3:19
Finish
26.22 mi15:19:444:50:5811:0611:18
11:05
-4:00

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

9:38 /mi

Average Pace

11:06 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:05

32% of race

Time at Steady Pace

2:43:51

56% of race

Time at Slower Pace

33:02

11% of race

Average Pace: 11:06 /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 mi10:58:4229:569:3829:56
9:38
#22108
10K
6.21 mi11:30:511:02:059:5932:09
10:21
#22762
15K
9.32 mi12:02:511:34:0510:0632:00
10:18
#22698
20K
12.43 mi12:37:192:08:3310:2134:28
11:06
#22712
Half
13.11 mi12:44:592:16:1310:237:40
11:14
#22774
25K
15.53 mi13:12:542:44:0810:3427:55
11:31
#22718
30K
18.64 mi13:49:593:21:1310:4837:05
11:56
#22565
20M
20.00 mi14:04:483:36:0210:4814:49
10:54
#22330
21M
21.00 mi14:16:553:48:0910:5212:07
12:07
#22150
35K
21.75 mi14:25:573:57:1110:549:02
12:04
#22159
23M
23.00 mi14:41:404:12:5411:0015:43
12:33
#22145
24M
24.00 mi14:53:104:24:2411:0111:30
11:30
#22060
40K
24.85 mi15:03:144:34:2811:0310:04
11:46
#21971
25.2M
25.20 mi15:08:264:39:4011:065:12
15:05
#22010
Finish
26.22 mi15:19:444:50:5811:0611:18
11:05
#22004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi221088965896522550(Top 88%)9177(Top 84%)9177(Top 1048%)
10K6.21 mi3.10 mi22762-6549292-3279292-32723286(Top 91%)9574(Top 88%)9574(Top 1093%)
15K9.32 mi3.11 mi22698+649250+429250+4222550(Top 88%)9177(Top 84%)9177(Top 1048%)
20K12.43 mi3.11 mi22712-149256-69256-622785(Top 89%)9335(Top 85%)9335(Top 1066%)
Half13.11 mi0.68 mi22774-629291-359291-3523817(Top 93%)9949(Top 91%)9949(Top 1136%)
25K15.53 mi2.42 mi22718+569286+59286+522431(Top 88%)9233(Top 85%)9233(Top 1054%)
30K18.64 mi3.11 mi22565+1539257+299257+2921823(Top 85%)9063(Top 83%)9063(Top 1035%)
20M20.00 mi1.36 mi22330+2359150+1079150+10719059(Top 75%)7745(Top 71%)7745(Top 884%)
21M21.00 mi1.00 mi22150+1809079+719079+7119100(Top 75%)7862(Top 72%)7862(Top 897%)
35K21.75 mi0.75 mi22159-99098-199098-1921938(Top 86%)9323(Top 85%)9323(Top 1064%)
23M23.00 mi1.25 mi22145+149112-149112-1421799(Top 85%)9270(Top 85%)9270(Top 1058%)
24M24.00 mi1.00 mi22060+859086+269086+2620431(Top 80%)8651(Top 79%)8651(Top 988%)
40K24.85 mi0.85 mi21971+899064+229064+2220001(Top 78%)8525(Top 78%)8525(Top 973%)
25.2M25.20 mi0.35 mi22010-399091-279091-2723123(Top 91%)9982(Top 91%)9982(Top 1139%)
Finish26.22 mi1.02 mi22004+69105-149105-1421568(Top 84%)9239(Top 85%)9239(Top 1055%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22550

Females

9177

F55-59

9177

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23286

Females

9574

F55-59

9574

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22550

Females

9177

F55-59

9177

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22785

Females

9335

F55-59

9335

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23817

Females

9949

F55-59

9949

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22431

Females

9233

F55-59

9233

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

21823

Females

9063

F55-59

9063

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19059

Females

7745

F55-59

7745

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19100

Females

7862

F55-59

7862

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

21938

Females

9323

F55-59

9323

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

21799

Females

9270

F55-59

9270

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

20431

Females

8651

F55-59

8651

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20001

Females

8525

F55-59

8525

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23123

Females

9982

F55-59

9982

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21568

Females

9239

F55-59

9239

Passing Analysis

Category:
Athletes Passed
1601
Passed By
1497
Net Change
+104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22108
5K → 10K43697-654#22108#22762
10K → 15K192128+64#22762#22698
15K → 20K168182-14#22698#22712
20K → Half1678-62#22712#22774
Half → 25K14791+56#22774#22718
25K → 30K22269+153#22718#22565
30K → 20M2372+235#22565#22330
20M → 21M1866+180#22330#22150
21M → 35K4251-9#22150#22159
35K → 23M7460+14#22159#22145
23M → 24M10621+85#22145#22060
24M → 40K10415+89#22060#21971
40K → 25.2M1049-39#21971#22010
25.2M → Finish5448+6#22010#22004
TOTALS16011497+104
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing