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BOSTON MARATHON 2025

Craig Uyeno

Bib: 16555•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #13705
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
48:42
Rank: #15118 (-1413)
5K → 10K
24:52 | 8:00/mi
15K· 9.32 mi
1:14:24
Rank: #16190 (-1072)
10K → 15K
25:42 | 8:16/mi
20K· 12.43 mi
1:39:44
Rank: #16127 (+63)
15K → 20K
25:20 | 8:09/mi
Half· 13.11 mi
1:45:15
Rank: #16158 (-31)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:05:24
Rank: #16110 (+48)
Half → 25K
20:09 | 8:19/mi
30K· 18.64 mi
2:31:49
Rank: #15833 (+277)
25K → 30K
26:25 | 8:30/mi
20M
2:43:46
Rank: #15771 (+62)
30K → 20M
11:57 | 8:48/mi
21M
2:53:07
Rank: #15713 (+58)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:59:41
Rank: #15741 (-28)
21M → 35K
6:34 | 8:47/mi
23M
3:11:31
Rank: #15862 (-121)
35K → 23M
11:50 | 9:27/mi
24M
3:20:47
Rank: #16006 (-144)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:29:06
Rank: #16155 (-149)
24M → 40K
8:19 | 9:44/mi
25.2M
3:32:33
Rank: #16170 (-15)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:41:35
Rank: #16267 (-97)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:56:20
Pace8:52 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1023:507:4023:50
7:40
-
10K
6.21 mi11:22:0248:427:5024:52
8:00
+0:20
15K
9.32 mi11:47:441:14:247:5925:42
8:16
+0:16
20K
12.43 mi12:13:041:39:448:0225:20
8:09
-0:07
Half
13.11 mi12:18:351:45:158:025:31
8:05
-0:04
25K
15.53 mi12:38:442:05:248:0420:09
8:19
+0:14
30K
18.64 mi13:05:092:31:498:0926:25
8:30
+0:11
20M
20.00 mi13:17:062:43:468:1111:57
8:48
+0:18
21M
21.00 mi13:26:272:53:078:159:21
9:21
+0:33
35K
21.75 mi13:33:012:59:418:166:34
8:47
-0:34
23M
23.00 mi13:44:513:11:318:2011:50
9:27
+0:40
24M
24.00 mi13:54:073:20:478:229:16
9:16
-0:11
40K
24.85 mi14:02:263:29:068:258:19
9:44
+0:28
25.2M
25.20 mi14:05:533:32:338:263:27
10:00
+0:16
Finish
26.22 mi14:14:553:41:358:279:02
8:52
-1:08

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

7:40 /mi

Average Pace

8:27 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:24

57% of race

Time at Steady Pace

53:58

24% of race

Time at Slower Pace

42:13

19% of race

Average Pace: 8:27 /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 mi10:57:1023:507:4023:50
7:40
#13705
10K
6.21 mi11:22:0248:427:5024:52
8:00
#15118
15K
9.32 mi11:47:441:14:247:5925:42
8:16
#16190
20K
12.43 mi12:13:041:39:448:0225:20
8:09
#16127
Half
13.11 mi12:18:351:45:158:025:31
8:05
#16158
25K
15.53 mi12:38:442:05:248:0420:09
8:19
#16110
30K
18.64 mi13:05:092:31:498:0926:25
8:30
#15833
20M
20.00 mi13:17:062:43:468:1111:57
8:48
#15771
21M
21.00 mi13:26:272:53:078:159:21
9:21
#15713
35K
21.75 mi13:33:012:59:418:166:34
8:47
#15741
23M
23.00 mi13:44:513:11:318:2011:50
9:27
#15862
24M
24.00 mi13:54:073:20:478:229:16
9:16
#16006
40K
24.85 mi14:02:263:29:068:258:19
9:44
#16155
25.2M
25.20 mi14:05:533:32:338:263:27
10:00
#16170
Finish
26.22 mi14:14:553:41:358:279:02
8:52
#16267
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi137059957995717846(Top 63%)11565(Top 72%)11565(Top 205%)
10K6.21 mi3.10 mi15118-141310460-50310460-50316507(Top 58%)11035(Top 69%)11035(Top 196%)
15K9.32 mi3.11 mi16190-107210895-43510895-43517846(Top 63%)11565(Top 72%)11565(Top 205%)
20K12.43 mi3.11 mi16127+6310853+4210853+4216008(Top 56%)10748(Top 67%)10748(Top 190%)
Half13.11 mi0.68 mi16158-3110860-710860-716494(Top 58%)10973(Top 68%)10973(Top 194%)
25K15.53 mi2.42 mi16110+4810839+2110839+2115978(Top 56%)10636(Top 66%)10636(Top 189%)
30K18.64 mi3.11 mi15833+27710662+17710662+17714763(Top 52%)9953(Top 62%)9953(Top 176%)
20M20.00 mi1.36 mi15771+6210591+7110591+7115611(Top 55%)10203(Top 63%)10203(Top 181%)
21M21.00 mi1.00 mi15713+5810525+6610525+6615383(Top 54%)9955(Top 62%)9955(Top 176%)
35K21.75 mi0.75 mi15741-2810517+810517+817099(Top 60%)10647(Top 66%)10647(Top 189%)
23M23.00 mi1.25 mi15862-12110533-1610533-1618443(Top 65%)11188(Top 69%)11188(Top 198%)
24M24.00 mi1.00 mi16006-14410576-4310576-4318635(Top 66%)11225(Top 70%)11225(Top 199%)
40K24.85 mi0.85 mi16155-14910624-4810624-4819557(Top 69%)11583(Top 72%)11583(Top 205%)
25.2M25.20 mi0.35 mi16170-1510620+410620+416997(Top 60%)10362(Top 64%)10362(Top 184%)
Finish26.22 mi1.02 mi16267-9710642-2210642-2218346(Top 65%)11036(Top 69%)11036(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17846

Males

11565

M18-39

11565

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16507

Males

11035

M18-39

11035

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17846

Males

11565

M18-39

11565

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

16008

Males

10748

M18-39

10748

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16494

Males

10973

M18-39

10973

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15978

Males

10636

M18-39

10636

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14763

Males

9953

M18-39

9953

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15611

Males

10203

M18-39

10203

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15383

Males

9955

M18-39

9955

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17099

Males

10647

M18-39

10647

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18443

Males

11188

M18-39

11188

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18635

Males

11225

M18-39

11225

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19557

Males

11583

M18-39

11583

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16997

Males

10362

M18-39

10362

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18346

Males

11036

M18-39

11036

Passing Analysis

Category:
Athletes Passed
1449
Passed By
4011
Net Change
-2562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13705
5K → 10K421455-1413#13705#15118
10K → 15K341106-1072#15118#16190
15K → 20K245182+63#16190#16127
20K → Half1849-31#16127#16158
Half → 25K183135+48#16158#16110
25K → 30K36790+277#16110#15833
30K → 20M15189+62#15833#15771
20M → 21M14284+58#15771#15713
21M → 35K5381-28#15713#15741
35K → 23M78199-121#15741#15862
23M → 24M32176-144#15862#16006
24M → 40K31180-149#16006#16155
40K → 25.2M2944-15#16155#16170
25.2M → Finish44141-97#16170#16267
TOTALS14494011-2562
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing