Boston Marathon logo
BOSTON MARATHON 2025

Quen Lee

Bib: 18336•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #15278
Start → 5K
24:24 | 7:51/mi
10K· 6.21 mi
48:52
Rank: #15367 (-89)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:13:30
Rank: #15374 (-7)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:38:36
Rank: #15400 (-26)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:44:12
Rank: #15516 (-116)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:04:19
Rank: #15561 (-45)
Half → 25K
20:07 | 8:18/mi
30K· 18.64 mi
2:32:18
Rank: #16009 (-448)
25K → 30K
27:59 | 9:00/mi
20M
2:44:45
Rank: #16115 (-106)
30K → 20M
12:27 | 9:10/mi
21M
2:54:28
Rank: #16128 (-13)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:01:41
Rank: #16308 (-180)
21M → 35K
7:13 | 9:39/mi
23M
3:12:09
Rank: #16032 (+276)
35K → 23M
10:28 | 8:22/mi
24M
3:20:53
Rank: #16027 (+5)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
3:28:34
Rank: #16022 (+5)
24M → 40K
7:41 | 8:59/mi
25.2M
3:32:01
Rank: #16029 (-7)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:40:51
Rank: #16077 (-48)
25.2M → Finish
8:50 | 8:40/mi

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
Time1:44:12
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:56:39
Pace8:54 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2324:247:5124:24
7:51
-
10K
6.21 mi11:39:5148:527:5224:28
7:53
+0:02
15K
9.32 mi12:04:291:13:307:5324:38
7:56
+0:03
20K
12.43 mi12:29:351:38:367:5625:06
8:05
+0:09
Half
13.11 mi12:35:111:44:127:575:36
8:12
+0:07
25K
15.53 mi12:55:182:04:198:0020:07
8:18
+0:06
30K
18.64 mi13:23:172:32:188:1027:59
9:00
+0:42
20M
20.00 mi13:35:442:44:458:1412:27
9:10
+0:10
21M
21.00 mi13:45:272:54:288:189:43
9:43
+0:33
35K
21.75 mi13:52:403:01:418:217:13
9:39
-0:04
23M
23.00 mi14:03:083:12:098:2110:28
8:22
-1:17
24M
24.00 mi14:11:523:20:538:228:44
8:44
+0:22
40K
24.85 mi14:19:333:28:348:237:41
8:59
+0:15
25.2M
25.20 mi14:23:003:32:018:253:27
10:00
+1:01
Finish
26.22 mi14:31:503:40:518:268:50
8:40
-1:20

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

7:51 /mi

Average Pace

8:26 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:19

56% of race

Time at Steady Pace

1:03:42

29% of race

Time at Slower Pace

32:50

15% of race

Average Pace: 8:25 /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 mi11:15:2324:247:5124:24
7:51
#15278
10K
6.21 mi11:39:5148:527:5224:28
7:53
#15367
15K
9.32 mi12:04:291:13:307:5324:38
7:56
#15374
20K
12.43 mi12:29:351:38:367:5625:06
8:05
#15400
Half
13.11 mi12:35:111:44:127:575:36
8:12
#15516
25K
15.53 mi12:55:182:04:198:0020:07
8:18
#15561
30K
18.64 mi13:23:172:32:188:1027:59
9:00
#16009
20M
20.00 mi13:35:442:44:458:1412:27
9:10
#16115
21M
21.00 mi13:45:272:54:288:189:43
9:43
#16128
35K
21.75 mi13:52:403:01:418:217:13
9:39
#16308
23M
23.00 mi14:03:083:12:098:2110:28
8:22
#16032
24M
24.00 mi14:11:523:20:538:228:44
8:44
#16027
40K
24.85 mi14:19:333:28:348:237:41
8:59
#16022
25.2M
25.20 mi14:23:003:32:018:253:27
10:00
#16029
Finish
26.22 mi14:31:503:40:518:268:50
8:40
#16077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15278105341053415459(Top 54%)10577(Top 66%)10577(Top 642%)
10K6.21 mi3.10 mi15367-8910565-3110565-3115474(Top 54%)10607(Top 66%)10607(Top 644%)
15K9.32 mi3.11 mi15374-710558+710558+715459(Top 54%)10577(Top 66%)10577(Top 642%)
20K12.43 mi3.11 mi15400-2610548+1010548+1015485(Top 55%)10537(Top 65%)10537(Top 639%)
Half13.11 mi0.68 mi15516-11610600-5210600-5217277(Top 61%)11304(Top 70%)11304(Top 686%)
25K15.53 mi2.42 mi15561-4510593+710593+715885(Top 56%)10595(Top 66%)10595(Top 643%)
30K18.64 mi3.11 mi16009-44810737-14410737-14417723(Top 62%)11247(Top 70%)11247(Top 682%)
20M20.00 mi1.36 mi16115-10610736+110736+117579(Top 62%)11066(Top 69%)11066(Top 671%)
21M21.00 mi1.00 mi16128-1310713+2310713+2317088(Top 60%)10733(Top 67%)10733(Top 651%)
35K21.75 mi0.75 mi16308-18010768-5510768-5520814(Top 73%)12352(Top 77%)12352(Top 750%)
23M23.00 mi1.25 mi16032+27610613+15510613+15512418(Top 44%)8435(Top 52%)8435(Top 512%)
24M24.00 mi1.00 mi16027+510590+2310590+2315921(Top 56%)9996(Top 62%)9996(Top 607%)
40K24.85 mi0.85 mi16022+510563+2710563+2716201(Top 57%)10005(Top 62%)10005(Top 607%)
25.2M25.20 mi0.35 mi16029-710553+1010553+1016995(Top 60%)10360(Top 64%)10360(Top 629%)
Finish26.22 mi1.02 mi16077-4810559-610559-617246(Top 61%)10514(Top 65%)10514(Top 638%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15459

Males

10577

M55-59

10577

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15474

Males

10607

M55-59

10607

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15459

Males

10577

M55-59

10577

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15485

Males

10537

M55-59

10537

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17277

Males

11304

M55-59

11304

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15885

Males

10595

M55-59

10595

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17723

Males

11247

M55-59

11247

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17579

Males

11066

M55-59

11066

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17088

Males

10733

M55-59

10733

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20814

Males

12352

M55-59

12352

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12418

Males

8435

M55-59

8435

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15921

Males

9996

M55-59

9996

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16201

Males

10005

M55-59

10005

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16995

Males

10360

M55-59

10360

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17246

Males

10514

M55-59

10514

Passing Analysis

Category:
Athletes Passed
1651
Passed By
2450
Net Change
-799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15278
5K → 10K258347-89#15278#15367
10K → 15K196203-7#15367#15374
15K → 20K201227-26#15374#15400
20K → Half10126-116#15400#15516
Half → 25K158203-45#15516#15561
25K → 30K116564-448#15561#16009
30K → 20M82188-106#16009#16115
20M → 21M100113-13#16115#16128
21M → 35K28208-180#16128#16308
35K → 23M2815+276#16308#16032
23M → 24M6762+5#16032#16027
24M → 40K7368+5#16027#16022
40K → 25.2M2936-7#16022#16029
25.2M → Finish52100-48#16029#16077
TOTALS16512450-799
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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