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BOSTON MARATHON 2025

Luke Nakasone

Bib: 4523•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
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
21:08
Rank: #6318
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
42:16
Rank: #6312 (+6)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:03:31
Rank: #6338 (-26)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:24:57
Rank: #6275 (+63)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:29:37
Rank: #6285 (-10)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:33
Rank: #6249 (+36)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:08:50
Rank: #6043 (+206)
25K → 30K
22:17 | 7:10/mi
20M
2:18:42
Rank: #5974 (+69)
30K → 20M
9:52 | 7:16/mi
21M
2:26:28
Rank: #5911 (+63)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:32:11
Rank: #6022 (-111)
21M → 35K
5:43 | 7:38/mi
23M
2:41:46
Rank: #6000 (+22)
35K → 23M
9:35 | 7:39/mi
24M
2:49:23
Rank: #6056 (-56)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:56:08
Rank: #6093 (-37)
24M → 40K
6:45 | 7:54/mi
25.2M
2:59:04
Rank: #6112 (-19)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:06:21
Rank: #6080 (+32)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4121:086:4821:08
6:48
-
10K
6.21 mi10:45:4942:166:4821:08
6:48
0:00
15K
9.32 mi11:07:041:03:316:4921:15
6:50
+0:02
20K
12.43 mi11:28:301:24:576:5021:26
6:54
+0:04
Half
13.11 mi11:33:101:29:376:504:40
6:50
-0:04
25K
15.53 mi11:50:061:46:336:5216:56
6:59
+0:09
30K
18.64 mi12:12:232:08:506:5522:17
7:10
+0:11
20M
20.00 mi12:22:152:18:426:569:52
7:16
+0:06
21M
21.00 mi12:30:012:26:286:587:46
7:46
+0:30
35K
21.75 mi12:35:442:32:117:005:43
7:38
-0:08
23M
23.00 mi12:45:192:41:467:029:35
7:39
+0:01
24M
24.00 mi12:52:562:49:237:037:37
7:37
-0:02
40K
24.85 mi12:59:412:56:087:056:45
7:54
+0:17
25.2M
25.20 mi13:02:372:59:047:062:56
8:30
+0:36
Finish
26.22 mi13:09:543:06:217:077:17
7:09
-1:21

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

6:48 /mi

Average Pace

7:07 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:37

48% of race

Time at Steady Pace

56:22

30% of race

Time at Slower Pace

40:22

22% of race

Average Pace: 7:06 /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 mi10:24:4121:086:4821:08
6:48
#6318
10K
6.21 mi10:45:4942:166:4821:08
6:48
#6312
15K
9.32 mi11:07:041:03:316:4921:15
6:50
#6338
20K
12.43 mi11:28:301:24:576:5021:26
6:54
#6275
Half
13.11 mi11:33:101:29:376:504:40
6:50
#6285
25K
15.53 mi11:50:061:46:336:5216:56
6:59
#6249
30K
18.64 mi12:12:232:08:506:5522:17
7:10
#6043
20M
20.00 mi12:22:152:18:426:569:52
7:16
#5974
21M
21.00 mi12:30:012:26:286:587:46
7:46
#5911
35K
21.75 mi12:35:442:32:117:005:43
7:38
#6022
23M
23.00 mi12:45:192:41:467:029:35
7:39
#6000
24M
24.00 mi12:52:562:49:237:037:37
7:37
#6056
40K
24.85 mi12:59:412:56:087:056:45
7:54
#6093
25.2M
25.20 mi13:02:372:59:047:062:56
8:30
#6112
Finish
26.22 mi13:09:543:06:217:077:17
7:09
#6080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6318577357736469(Top 23%)5843(Top 36%)5843(Top 104%)
10K6.21 mi3.10 mi6312+65774-15774-16393(Top 23%)5793(Top 36%)5793(Top 103%)
15K9.32 mi3.11 mi6338-265776-25776-26469(Top 23%)5843(Top 36%)5843(Top 104%)
20K12.43 mi3.11 mi6275+635701+755701+756171(Top 22%)5561(Top 35%)5561(Top 99%)
Half13.11 mi0.68 mi6285-105704-35704-36421(Top 23%)5761(Top 36%)5761(Top 102%)
25K15.53 mi2.42 mi6249+365655+495655+496209(Top 22%)5549(Top 34%)5549(Top 98%)
30K18.64 mi3.11 mi6043+2065473+1825473+1825741(Top 20%)5123(Top 32%)5123(Top 91%)
20M20.00 mi1.36 mi5974+695400+735400+735540(Top 20%)4865(Top 30%)4865(Top 86%)
21M21.00 mi1.00 mi5911+635340+605340+605979(Top 21%)5050(Top 31%)5050(Top 90%)
35K21.75 mi0.75 mi6022-1115408-685408-689571(Top 34%)7125(Top 44%)7125(Top 126%)
23M23.00 mi1.25 mi6000+225382+265382+267570(Top 27%)5900(Top 37%)5900(Top 105%)
24M24.00 mi1.00 mi6056-565411-295411-298482(Top 30%)6358(Top 39%)6358(Top 113%)
40K24.85 mi0.85 mi6093-375418-75418-79372(Top 33%)6712(Top 42%)6712(Top 119%)
25.2M25.20 mi0.35 mi6112-195420-25420-28724(Top 31%)6283(Top 39%)6283(Top 111%)
Finish26.22 mi1.02 mi6080+325373+475373+476663(Top 23%)5123(Top 32%)5123(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6469

Males

5843

M18-39

5843

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6393

Males

5793

M18-39

5793

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6469

Males

5843

M18-39

5843

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6171

Males

5561

M18-39

5561

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6421

Males

5761

M18-39

5761

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6209

Males

5549

M18-39

5549

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5741

Males

5123

M18-39

5123

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5540

Males

4865

M18-39

4865

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5979

Males

5050

M18-39

5050

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9571

Males

7125

M18-39

7125

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7570

Males

5900

M18-39

5900

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8482

Males

6358

M18-39

6358

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9372

Males

6712

M18-39

6712

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8724

Males

6283

M18-39

6283

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6663

Males

5123

M18-39

5123

Passing Analysis

Category:
Athletes Passed
1413
Passed By
1175
Net Change
+238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6318
5K → 10K192186+6#6318#6312
10K → 15K135161-26#6312#6338
15K → 20K170107+63#6338#6275
20K → Half1929-10#6275#6285
Half → 25K13599+36#6285#6249
25K → 30K27367+206#6249#6043
30K → 20M10536+69#6043#5974
20M → 21M10239+63#5974#5911
21M → 35K22133-111#5911#6022
35K → 23M8563+22#6022#6000
23M → 24M4096-56#6000#6056
24M → 40K4279-37#6056#6093
40K → 25.2M2039-19#6093#6112
25.2M → Finish7341+32#6112#6080
TOTALS14131175+238
📊

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