Boston Marathon logo
BOSTON MARATHON 2025

Jung Lee

Bib: 16414•M

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 31%
Race Day Weather
50°/40°F
broken 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
7:36/mi
47:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:12:56
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:38:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:04:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:32:18
↑ 181↓ 1480.2%
20M
9:18/mi
2:44:56
↑ 64↓ 500.2%
21M
9:42/mi
2:54:38
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:01:30
↑ 17↓ 861.7%
23M
9:01/mi
3:12:47
↑ 23↓ 630.6%
24M
8:21/mi
3:21:08
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:28:47
↓ 200.3%
25.2M
9:37/mi
3:32:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:40:17
↑ 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
Time1:43:56
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:56:21
Pace8:53 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0323:307:3423:30
7:34
-
10K
6.21 mi11:20:4047:077:3523:37
7:36
+0:02
15K
9.32 mi11:46:291:12:567:4925:49
8:19
+0:43
20K
12.43 mi12:12:041:38:317:5625:35
8:14
-0:05
Half
13.11 mi12:17:291:43:567:565:25
7:56
-0:18
25K
15.53 mi12:37:532:04:208:0020:24
8:25
+0:29
30K
18.64 mi13:05:512:32:188:1027:58
9:00
+0:35
20M
20.00 mi13:18:292:44:568:1512:38
9:18
+0:18
21M
21.00 mi13:28:112:54:388:199:42
9:42
+0:24
35K
21.75 mi13:35:033:01:308:216:52
9:11
-0:31
23M
23.00 mi13:46:203:12:478:2311:17
9:01
-0:10
24M
24.00 mi13:54:413:21:088:238:21
8:21
-0:40
40K
24.85 mi14:02:203:28:478:247:39
8:57
+0:36
25.2M
25.20 mi14:05:393:32:068:253:19
9:37
+0:40
Finish
26.22 mi14:13:503:40:178:248:11
8:02
-1:35

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

8:24 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:43

28% of race

Time at Steady Pace

1:20:09

36% of race

Time at Slower Pace

1:19:25

36% of race

Average Pace: 8:24 /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 mi10:57:0323:307:3423:30
7:34
#12788
10K
6.21 mi11:20:4047:077:3523:37
7:36
#12860
15K
9.32 mi11:46:291:12:567:4925:49
8:19
#14843
20K
12.43 mi12:12:041:38:317:5625:35
8:14
#15345
Half
13.11 mi12:17:291:43:567:565:25
7:56
#15339
25K
15.53 mi12:37:532:04:208:0020:24
8:25
#15570
30K
18.64 mi13:05:512:32:188:1027:58
9:00
#16008
20M
20.00 mi13:18:292:44:568:1512:38
9:18
#16183
21M
21.00 mi13:28:112:54:388:199:42
9:42
#16186
35K
21.75 mi13:35:033:01:308:216:52
9:11
#16264
23M
23.00 mi13:46:203:12:478:2311:17
9:01
#16212
24M
24.00 mi13:54:413:21:088:238:21
8:21
#16085
40K
24.85 mi14:02:203:28:478:247:39
8:57
#16081
25.2M
25.20 mi14:05:393:32:068:253:19
9:37
#16048
Finish
26.22 mi14:13:503:40:178:248:11
8:02
#15937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi127889556955618115(Top 64%)11672(Top 72%)11672(Top 927%)
10K6.21 mi3.10 mi12860-729559-39559-313029(Top 46%)9609(Top 60%)9609(Top 763%)
15K9.32 mi3.11 mi14843-198310336-77710336-77718115(Top 64%)11672(Top 72%)11672(Top 927%)
20K12.43 mi3.11 mi15345-50210524-18810524-18816518(Top 58%)10970(Top 68%)10970(Top 871%)
Half13.11 mi0.68 mi15339+610521+310521+315374(Top 54%)10511(Top 65%)10511(Top 835%)
25K15.53 mi2.42 mi15570-23110598-7710598-7716643(Top 59%)10941(Top 68%)10941(Top 869%)
30K18.64 mi3.11 mi16008-43810736-13810736-13817692(Top 62%)11230(Top 70%)11230(Top 892%)
20M20.00 mi1.36 mi16183-17510761-2510761-2518259(Top 64%)11338(Top 70%)11338(Top 901%)
21M21.00 mi1.00 mi16186-310738+2310738+2317008(Top 60%)10698(Top 66%)10698(Top 850%)
35K21.75 mi0.75 mi16264-7810745-710745-719048(Top 67%)11512(Top 71%)11512(Top 914%)
23M23.00 mi1.25 mi16212+5210700+4510700+4516310(Top 57%)10198(Top 63%)10198(Top 810%)
24M24.00 mi1.00 mi16085+12710615+8510615+8513561(Top 48%)8933(Top 55%)8933(Top 710%)
40K24.85 mi0.85 mi16081+410586+2910586+2915987(Top 56%)9913(Top 62%)9913(Top 787%)
25.2M25.20 mi0.35 mi16048+3310563+2310563+2315142(Top 53%)9481(Top 59%)9481(Top 753%)
Finish26.22 mi1.02 mi15937+11110499+6410499+6413068(Top 46%)8569(Top 53%)8569(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18115

Males

11672

M60-64

11672

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13029

Males

9609

M60-64

9609

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18115

Males

11672

M60-64

11672

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16518

Males

10970

M60-64

10970

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15374

Males

10511

M60-64

10511

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16643

Males

10941

M60-64

10941

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17692

Males

11230

M60-64

11230

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18259

Males

11338

M60-64

11338

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17008

Males

10698

M60-64

10698

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19048

Males

11512

M60-64

11512

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16310

Males

10198

M60-64

10198

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13561

Males

8933

M60-64

8933

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15987

Males

9913

M60-64

9913

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15142

Males

9481

M60-64

9481

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13068

Males

8569

M60-64

8569

Passing Analysis

Category:
Athletes Passed
1364
Passed By
4513
Net Change
-3149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12788
5K → 10K254326-72#12788#12860
10K → 15K131996-1983#12860#14843
15K → 20K96598-502#14843#15345
20K → Half4135+6#15345#15339
Half → 25K108339-231#15339#15570
25K → 30K117555-438#15570#16008
30K → 20M71246-175#16008#16183
20M → 21M101104-3#16183#16186
21M → 35K44122-78#16186#16264
35K → 23M13280+52#16264#16212
23M → 24M13811+127#16212#16085
24M → 40K6662+4#16085#16081
40K → 25.2M5017+33#16081#16048
25.2M → Finish13322+111#16048#15937
TOTALS13644513-3149
📊

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