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BOSTON MARATHON 2025

Hiro Kubo

Bib: 9169•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 23%
Division (M45-49)
#0 / 2386
Top 33%
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
6:56/mi
21:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:01/mi
43:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:02/mi
1:05:13
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:27:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:31:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:49:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:20/mi
2:11:59
↑ 181↓ 1480.2%
20M
7:19/mi
2:21:56
↑ 64↓ 500.2%
21M
7:47/mi
2:29:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:35:00
↑ 17↓ 861.7%
23M
7:26/mi
2:44:18
↑ 23↓ 630.6%
24M
7:22/mi
2:51:40
↓ 821.3%
40K· 24.85 mi
7:55/mi
2:58:26
↓ 200.3%
25.2M
9:05/mi
3:01:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:09:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:56
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:37:33
Pace7:26 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5621:346:5621:34
6:56
-
10K
6.21 mi11:08:4343:216:5921:47
7:01
+0:05
15K
9.32 mi11:30:351:05:137:0021:52
7:02
+0:01
20K
12.43 mi11:52:311:27:097:0121:56
7:04
+0:02
Half
13.11 mi11:57:181:31:567:014:47
7:01
-0:03
25K
15.53 mi12:14:331:49:117:0217:15
7:07
+0:06
30K
18.64 mi12:37:212:11:597:0522:48
7:20
+0:13
20M
20.00 mi12:47:182:21:567:069:57
7:19
-0:01
21M
21.00 mi12:55:052:29:437:087:47
7:47
+0:28
35K
21.75 mi13:00:222:35:007:085:17
7:04
-0:43
23M
23.00 mi13:09:402:44:187:099:18
7:26
+0:22
24M
24.00 mi13:17:022:51:407:097:22
7:22
-0:04
40K
24.85 mi13:23:482:58:267:116:46
7:55
+0:33
25.2M
25.20 mi13:26:563:01:347:123:08
9:05
+1:10
Finish
26.22 mi13:34:513:09:297:147:55
7:46
-1:19

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

7:14 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:00

37% of race

Time at Steady Pace

1:33:53

50% of race

Time at Slower Pace

25:36

14% of race

Average Pace: 7:14 /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 mi10:46:5621:346:5621:34
6:56
#7366
10K
6.21 mi11:08:4343:216:5921:47
7:01
#7690
15K
9.32 mi11:30:351:05:137:0021:52
7:02
#7736
20K
12.43 mi11:52:311:27:097:0121:56
7:04
#7572
Half
13.11 mi11:57:181:31:567:014:47
7:01
#7575
25K
15.53 mi12:14:331:49:117:0217:15
7:07
#7441
30K
18.64 mi12:37:212:11:597:0522:48
7:20
#7214
20M
20.00 mi12:47:182:21:567:069:57
7:19
#7052
21M
21.00 mi12:55:052:29:437:087:47
7:47
#6906
35K
21.75 mi13:00:222:35:007:085:17
7:04
#6807
23M
23.00 mi13:09:402:44:187:099:18
7:26
#6695
24M
24.00 mi13:17:022:51:407:097:22
7:22
#6645
40K
24.85 mi13:23:482:58:267:116:46
7:55
#6711
25.2M
25.20 mi13:26:563:01:347:123:08
9:05
#6786
Finish
26.22 mi13:34:513:09:297:147:55
7:46
#6902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7366657165717869(Top 28%)6861(Top 43%)6861(Top 288%)
10K6.21 mi3.10 mi7690-3246786-2156786-2157990(Top 28%)6964(Top 43%)6964(Top 292%)
15K9.32 mi3.11 mi7736-466805-196805-197869(Top 28%)6861(Top 43%)6861(Top 288%)
20K12.43 mi3.11 mi7572+1646678+1276678+1277249(Top 26%)6382(Top 40%)6382(Top 267%)
Half13.11 mi0.68 mi7575-36676+26676+27647(Top 27%)6668(Top 41%)6668(Top 279%)
25K15.53 mi2.42 mi7441+1346574+1026574+1027063(Top 25%)6165(Top 38%)6165(Top 258%)
30K18.64 mi3.11 mi7214+2276359+2156359+2156682(Top 24%)5772(Top 36%)5772(Top 242%)
20M20.00 mi1.36 mi7052+1626217+1426217+1425939(Top 21%)5162(Top 32%)5162(Top 216%)
21M21.00 mi1.00 mi6906+1466092+1256092+1256103(Top 21%)5129(Top 32%)5129(Top 215%)
35K21.75 mi0.75 mi6807+996003+896003+895797(Top 20%)4933(Top 31%)4933(Top 207%)
23M23.00 mi1.25 mi6695+1125885+1185885+1186204(Top 22%)5097(Top 32%)5097(Top 214%)
24M24.00 mi1.00 mi6645+505820+655820+656815(Top 24%)5414(Top 34%)5414(Top 227%)
40K24.85 mi0.85 mi6711-665846-265846-269521(Top 34%)6795(Top 42%)6795(Top 285%)
25.2M25.20 mi0.35 mi6786-755883-375883-3712167(Top 43%)8051(Top 50%)8051(Top 337%)
Finish26.22 mi1.02 mi6902-1165928-455928-4511172(Top 39%)7590(Top 47%)7590(Top 318%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7869

Males

6861

M45-49

6861

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7990

Males

6964

M45-49

6964

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7869

Males

6861

M45-49

6861

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7249

Males

6382

M45-49

6382

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7647

Males

6668

M45-49

6668

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7063

Males

6165

M45-49

6165

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6682

Males

5772

M45-49

5772

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5939

Males

5162

M45-49

5162

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

6103

Males

5129

M45-49

5129

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5797

Males

4933

M45-49

4933

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6204

Males

5097

M45-49

5097

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6815

Males

5414

M45-49

5414

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9521

Males

6795

M45-49

6795

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12167

Males

8051

M45-49

8051

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11172

Males

7590

M45-49

7590

Passing Analysis

Category:
Athletes Passed
1716
Passed By
1252
Net Change
+464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7366
5K → 10K94418-324#7366#7690
10K → 15K118164-46#7690#7736
15K → 20K22359+164#7736#7572
20K → Half2124-3#7572#7575
Half → 25K17945+134#7575#7441
25K → 30K29265+227#7441#7214
30K → 20M18018+162#7214#7052
20M → 21M16620+146#7052#6906
21M → 35K1078+99#6906#6807
35K → 23M15139+112#6807#6695
23M → 24M9343+50#6695#6645
24M → 40K43109-66#6645#6711
40K → 25.2M1893-75#6711#6786
25.2M → Finish31147-116#6786#6902
TOTALS17161252+464
📊

Passing Visuals

Category:
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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