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BOSTON MARATHON 2025

Ian Nomura

Bib: 10034•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #9013
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
43:45
Rank: #8169 (+844)
5K → 10K
21:33 | 6:56/mi
15K· 9.32 mi
1:05:42
Rank: #8100 (+69)
10K → 15K
21:57 | 7:04/mi
20K· 12.43 mi
1:28:05
Rank: #8083 (+17)
15K → 20K
22:23 | 7:12/mi
Half· 13.11 mi
1:32:59
Rank: #8125 (-42)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:50:36
Rank: #8067 (+58)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:14:06
Rank: #7981 (+86)
25K → 30K
23:30 | 7:34/mi
20M
2:24:32
Rank: #7952 (+29)
30K → 20M
10:26 | 7:41/mi
21M
2:32:52
Rank: #7956 (-4)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:38:59
Rank: #8135 (-179)
21M → 35K
6:07 | 8:11/mi
23M
2:48:43
Rank: #8105 (+30)
35K → 23M
9:44 | 7:46/mi
24M
2:56:55
Rank: #8271 (-166)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:03:33
Rank: #8240 (+31)
24M → 40K
6:38 | 7:45/mi
25.2M
3:06:30
Rank: #8245 (-5)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:14:21
Rank: #8358 (-113)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:59
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:41:22
Pace7:44 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1222:127:0922:12
7:09
-
10K
6.21 mi11:09:4543:457:0221:33
6:56
-0:13
15K
9.32 mi11:31:421:05:427:0321:57
7:04
+0:08
20K
12.43 mi11:54:051:28:057:0522:23
7:12
+0:08
Half
13.11 mi11:58:591:32:597:064:54
7:11
-0:01
25K
15.53 mi12:16:361:50:367:0717:37
7:16
+0:05
30K
18.64 mi12:40:062:14:067:1223:30
7:34
+0:18
20M
20.00 mi12:50:322:24:327:1410:26
7:41
+0:07
21M
21.00 mi12:58:522:32:527:178:20
8:20
+0:39
35K
21.75 mi13:04:592:38:597:196:07
8:11
-0:09
23M
23.00 mi13:14:432:48:437:209:44
7:46
-0:25
24M
24.00 mi13:22:552:56:557:228:12
8:12
+0:26
40K
24.85 mi13:29:333:03:337:236:38
7:45
-0:27
25.2M
25.20 mi13:32:303:06:307:242:57
8:33
+0:48
Finish
26.22 mi13:40:213:14:217:257:51
7:42
-0:51

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

6:56 /mi

Average Pace

7:25 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:36

57% of race

Time at Steady Pace

58:09

30% of race

Time at Slower Pace

25:36

13% of race

Average Pace: 7:25 /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 mi10:48:1222:127:0922:12
7:09
#9013
10K
6.21 mi11:09:4543:457:0221:33
6:56
#8169
15K
9.32 mi11:31:421:05:427:0321:57
7:04
#8100
20K
12.43 mi11:54:051:28:057:0522:23
7:12
#8083
Half
13.11 mi11:58:591:32:597:064:54
7:11
#8125
25K
15.53 mi12:16:361:50:367:0717:37
7:16
#8067
30K
18.64 mi12:40:062:14:067:1223:30
7:34
#7981
20M
20.00 mi12:50:322:24:327:1410:26
7:41
#7952
21M
21.00 mi12:58:522:32:527:178:20
8:20
#7956
35K
21.75 mi13:04:592:38:597:196:07
8:11
#8135
23M
23.00 mi13:14:432:48:437:209:44
7:46
#8105
24M
24.00 mi13:22:552:56:557:228:12
8:12
#8271
40K
24.85 mi13:29:333:03:337:236:38
7:45
#8240
25.2M
25.20 mi13:32:303:06:307:242:57
8:33
#8245
Finish
26.22 mi13:40:213:14:217:257:51
7:42
#8358
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9013761576158075(Top 28%)6995(Top 43%)6995(Top 293%)
10K6.21 mi3.10 mi8169+8447093+5227093+5227514(Top 26%)6653(Top 41%)6653(Top 279%)
15K9.32 mi3.11 mi8100+697035+587035+588075(Top 28%)6995(Top 43%)6995(Top 293%)
20K12.43 mi3.11 mi8083+177009+267009+268243(Top 29%)7015(Top 44%)7015(Top 294%)
Half13.11 mi0.68 mi8125-427031-227031-228883(Top 31%)7405(Top 46%)7405(Top 310%)
25K15.53 mi2.42 mi8067+586969+626969+628098(Top 29%)6823(Top 42%)6823(Top 286%)
30K18.64 mi3.11 mi7981+866858+1116858+1118171(Top 29%)6688(Top 42%)6688(Top 280%)
20M20.00 mi1.36 mi7952+296803+556803+558187(Top 29%)6555(Top 41%)6555(Top 275%)
21M21.00 mi1.00 mi7956-46776+276776+279405(Top 33%)7041(Top 44%)7041(Top 295%)
35K21.75 mi0.75 mi8135-1796872-966872-9613397(Top 47%)8973(Top 56%)8973(Top 376%)
23M23.00 mi1.25 mi8105+306801+716801+718388(Top 30%)6384(Top 40%)6384(Top 268%)
24M24.00 mi1.00 mi8271-1666876-756876-7512526(Top 44%)8421(Top 52%)8421(Top 353%)
40K24.85 mi0.85 mi8240+316827+496827+498453(Top 30%)6227(Top 39%)6227(Top 261%)
25.2M25.20 mi0.35 mi8245-56812+156812+159046(Top 32%)6465(Top 40%)6465(Top 271%)
Finish26.22 mi1.02 mi8358-1136846-346846-3410692(Top 38%)7347(Top 46%)7347(Top 308%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

8075

Males

6995

M45-49

6995

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7514

Males

6653

M45-49

6653

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

8075

Males

6995

M45-49

6995

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8243

Males

7015

M45-49

7015

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8883

Males

7405

M45-49

7405

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8098

Males

6823

M45-49

6823

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8171

Males

6688

M45-49

6688

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8187

Males

6555

M45-49

6555

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9405

Males

7041

M45-49

7041

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13397

Males

8973

M45-49

8973

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8388

Males

6384

M45-49

6384

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12526

Males

8421

M45-49

8421

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8453

Males

6227

M45-49

6227

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9046

Males

6465

M45-49

6465

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10692

Males

7347

M45-49

7347

Passing Analysis

Category:
Athletes Passed
2130
Passed By
1475
Net Change
+655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9013
5K → 10K86218+844#9013#8169
10K → 15K174105+69#8169#8100
15K → 20K151134+17#8100#8083
20K → Half1557-42#8083#8125
Half → 25K159101+58#8125#8067
25K → 30K225139+86#8067#7981
30K → 20M10677+29#7981#7952
20M → 21M105109-4#7952#7956
21M → 35K24203-179#7956#8135
35K → 23M12191+30#8135#8105
23M → 24M45211-166#8105#8271
24M → 40K7847+31#8271#8240
40K → 25.2M3035-5#8240#8245
25.2M → Finish35148-113#8245#8358
TOTALS21301475+655
📊

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