Boston Marathon logo
BOSTON MARATHON 2023

Raymond Uy

Bib: 25942•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18494
Start → 5K
8:39/mi
26:51 split
10K· 6.21 mi
53:39
Rank: #18708 (-214)
5K → 10K
8:38/mi
26:48 split
15K· 9.32 mi
1:20:42
Rank: #18799 (-91)
10K → 15K
8:42/mi
27:03 split
20K· 12.43 mi
1:48:05
Rank: #18768 (+31)
15K → 20K
8:49/mi
27:23 split
Half· 13.11 mi
1:54:03
Rank: #18780 (-12)
20K → Half
8:45/mi
5:58 split
25K· 15.53 mi
2:16:00
Rank: #18872 (-92)
Half → 25K
9:03/mi
21:57 split
30K· 18.64 mi
2:44:43
Rank: #18770 (+102)
25K → 30K
9:15/mi
28:43 split
20M
2:57:08
Rank: #18651 (+119)
30K → 20M
9:08/mi
12:25 split
21M
3:06:35
Rank: #18456 (+195)
20M → 21M
9:27/mi
9:27 split
35K· 21.75 mi
3:13:13
Rank: #18395 (+61)
21M → 35K
8:52/mi
6:38 split
23M
3:25:13
Rank: #18427 (-32)
35K → 23M
9:35/mi
12:00 split
24M
3:34:27
Rank: #18423 (+4)
23M → 24M
9:14/mi
9:14 split
40K· 24.85 mi
3:42:35
Rank: #18425 (-2)
24M → 40K
9:31/mi
8:08 split
25.2M
3:46:17
Rank: #18460 (-35)
40K → 25.2M
10:44/mi
3:42 split
Finish· 26.22 mi
3:56:15
Rank: #18607 (-147)
25.2M → Finish
9:47/mi
9:58 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
Time1:54:03
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:02:12
Pace9:19 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3226:518:3926:51
8:39
-
10K
6.21 mi12:09:2053:398:3826:48
8:38
-0:01
15K
9.32 mi12:36:231:20:428:3927:03
8:42
+0:04
20K
12.43 mi13:03:461:48:058:4227:23
8:49
+0:07
Half
13.11 mi13:09:441:54:038:425:58
8:45
-0:04
25K
15.53 mi13:31:412:16:008:4521:57
9:03
+0:18
30K
18.64 mi14:00:242:44:438:5028:43
9:15
+0:12
20M
20.00 mi14:12:492:57:088:5112:25
9:08
-0:07
21M
21.00 mi14:22:163:06:358:539:27
9:27
+0:19
35K
21.75 mi14:28:543:13:138:536:38
8:52
-0:35
23M
23.00 mi14:40:543:25:138:5512:00
9:35
+0:43
24M
24.00 mi14:50:083:34:278:569:14
9:14
-0:21
40K
24.85 mi14:58:163:42:358:578:08
9:31
+0:17
25.2M
25.20 mi15:01:583:46:178:593:42
10:44
+1:13
Finish
26.22 mi15:11:563:56:159:019:58
9:47
-0:57

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

8:38 /mi

Average Pace

9:01 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:03

48% of race

Time at Steady Pace

1:18:57

33% of race

Time at Slower Pace

43:15

18% of race

Average Pace: 9:01 /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 mi11:42:3226:518:3926:51
8:39
#18494
10K
6.21 mi12:09:2053:398:3826:48
8:38
#18708
15K
9.32 mi12:36:231:20:428:3927:03
8:42
#18799
20K
12.43 mi13:03:461:48:058:4227:23
8:49
#18768
Half
13.11 mi13:09:441:54:038:425:58
8:45
#18780
25K
15.53 mi13:31:412:16:008:4521:57
9:03
#18872
30K
18.64 mi14:00:242:44:438:5028:43
9:15
#18770
20M
20.00 mi14:12:492:57:088:5112:25
9:08
#18651
21M
21.00 mi14:22:163:06:358:539:27
9:27
#18456
35K
21.75 mi14:28:543:13:138:536:38
8:52
#18395
23M
23.00 mi14:40:543:25:138:5512:00
9:35
#18427
24M
24.00 mi14:50:083:34:278:569:14
9:14
#18423
40K
24.85 mi14:58:163:42:358:578:08
9:31
#18425
25.2M
25.20 mi15:01:583:46:178:593:42
10:44
#18460
Finish
26.22 mi15:11:563:56:159:019:58
9:47
#18607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18494116071160719008(Top 71%)11879(Top 78%)11879(Top 225%)
10K6.21 mi3.10 mi18708-21411736-12911736-12918973(Top 71%)11883(Top 78%)11883(Top 225%)
15K9.32 mi3.11 mi18799-9111773-3711773-3719008(Top 71%)11879(Top 78%)11879(Top 225%)
20K12.43 mi3.11 mi18768+3111767+611767+618761(Top 70%)11795(Top 78%)11795(Top 223%)
Half13.11 mi0.68 mi18780-1211771-411771-419155(Top 72%)11952(Top 79%)11952(Top 226%)
25K15.53 mi2.42 mi18872-9211804-3311804-3319208(Top 72%)11937(Top 79%)11937(Top 226%)
30K18.64 mi3.11 mi18770+10211736+6811736+6818361(Top 69%)11494(Top 76%)11494(Top 217%)
20M20.00 mi1.36 mi18651+11911673+6311673+6317250(Top 65%)10928(Top 72%)10928(Top 207%)
21M21.00 mi1.00 mi18456+19511577+9611577+9615726(Top 59%)10244(Top 68%)10244(Top 194%)
35K21.75 mi0.75 mi18395+6111540+3711540+3717271(Top 65%)10828(Top 71%)10828(Top 205%)
23M23.00 mi1.25 mi18427-3211539+111539+118651(Top 70%)11414(Top 75%)11414(Top 216%)
24M24.00 mi1.00 mi18423+411533+611533+618172(Top 68%)11159(Top 74%)11159(Top 211%)
40K24.85 mi0.85 mi18425-211525+811525+818370(Top 69%)11207(Top 74%)11207(Top 212%)
25.2M25.20 mi0.35 mi18460-3511537-1211537-1219747(Top 74%)11799(Top 78%)11799(Top 223%)
Finish26.22 mi1.02 mi18607-14711590-5311590-5321064(Top 79%)12445(Top 82%)12445(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

19008

Males

11879

M18-39

11879

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18973

Males

11883

M18-39

11883

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

19008

Males

11879

M18-39

11879

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18761

Males

11795

M18-39

11795

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19155

Males

11952

M18-39

11952

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19208

Males

11937

M18-39

11937

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18361

Males

11494

M18-39

11494

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17250

Males

10928

M18-39

10928

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15726

Males

10244

M18-39

10244

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17271

Males

10828

M18-39

10828

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18651

Males

11414

M18-39

11414

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18172

Males

11159

M18-39

11159

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18370

Males

11207

M18-39

11207

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19747

Males

11799

M18-39

11799

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21064

Males

12445

M18-39

12445

Passing Analysis

Category:
Athletes Passed
1526
Passed By
1639
Net Change
-113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18494
5K → 10K233447-214#18494#18708
10K → 15K150241-91#18708#18799
15K → 20K175144+31#18799#18768
20K → Half2436-12#18768#18780
Half → 25K96188-92#18780#18872
25K → 30K209107+102#18872#18770
30K → 20M14930+119#18770#18651
20M → 21M21015+195#18651#18456
21M → 35K8221+61#18456#18395
35K → 23M6496-32#18395#18427
23M → 24M5551+4#18427#18423
24M → 40K5153-2#18423#18425
40K → 25.2M1045-35#18425#18460
25.2M → Finish18165-147#18460#18607
TOTALS15261639-113
📊

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