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BOSTON MARATHON 2025

Akira Koza Palmieri

Bib: 6886 M BR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:25/mi
19:56
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:28/mi
40:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:32/mi
1:00:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:34/mi
1:20:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:33/mi
1:25:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:42/mi
1:41:24
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:44/mi
2:02:20
↑ 181↓ 1480.2%
138 ft elev
20M
6:50/mi
2:11:37
↑ 64↓ 500.2%
148 ft elev
21M
7:12/mi
2:18:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:41/mi
2:23:49
↑ 17↓ 861.7%
156 ft elev
23M
6:53/mi
2:32:26
↑ 23↓ 630.6%
116 ft elev
24M
6:45/mi
2:39:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:24/mi
2:45:31
↓ 200.3%
20 ft elev
25.2M
7:38/mi
2:48:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:30/mi
2:54:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:10
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:36
Pace6:50 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5719:566:2519:56
6:25
-
10K
6.21 mi10:46:0340:026:2720:06
6:28
+0:03
15K
9.32 mi11:06:201:00:196:2820:17
6:32
+0:04
20K
12.43 mi11:26:431:20:426:3020:23
6:34
+0:02
Half
13.11 mi11:31:111:25:106:304:28
6:33
-0:01
25K
15.53 mi11:47:251:41:246:3216:14
6:42
+0:09
30K
18.64 mi12:08:212:02:206:3420:56
6:44
+0:02
20M
20.00 mi12:17:382:11:376:359:17
6:50
+0:06
21M
21.00 mi12:24:502:18:496:377:12
7:12
+0:22
35K
21.75 mi12:29:502:23:496:375:00
6:41
-0:31
23M
23.00 mi12:38:272:32:266:388:37
6:53
+0:12
24M
24.00 mi12:45:122:39:116:386:45
6:45
-0:08
40K
24.85 mi12:51:322:45:316:406:20
7:24
+0:39
25.2M
25.20 mi12:54:102:48:096:402:38
7:38
+0:14
Finish
26.22 mi13:00:472:54:466:406:37
6:30
-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

6:25 /mi

Average Pace

6:40 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:36

91% of race

Time at Steady Pace

13:32

8% of race

Time at Slower Pace

2:38

2% of race

Average Pace: 6:40 /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 mi10:25:5719:566:2519:56
6:25
#3226
10K
6.21 mi10:46:0340:026:2720:06
6:28
#3348
15K
9.32 mi11:06:201:00:196:2820:17
6:32
#3470
20K
12.43 mi11:26:431:20:426:3020:23
6:34
#3457
Half
13.11 mi11:31:111:25:106:304:28
6:33
#3484
25K
15.53 mi11:47:251:41:246:3216:14
6:42
#3561
30K
18.64 mi12:08:212:02:206:3420:56
6:44
#3404
20M
20.00 mi12:17:382:11:376:359:17
6:50
#3343
21M
21.00 mi12:24:502:18:496:377:12
7:12
#3302
35K
21.75 mi12:29:502:23:496:375:00
6:41
#3280
23M
23.00 mi12:38:272:32:266:388:37
6:53
#3208
24M
24.00 mi12:45:122:39:116:386:45
6:45
#3174
40K
24.85 mi12:51:322:45:316:406:20
7:24
#3260
25.2M
25.20 mi12:54:102:48:096:402:38
7:38
#3246
Finish
26.22 mi13:00:472:54:466:406:37
6:30
#3191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3226306530653728(Top 13%)3517(Top 22%)3517(Top 62%)
10K6.21 mi3.10 mi3348-1223179-1143179-1143507(Top 12%)3322(Top 21%)3322(Top 59%)
15K9.32 mi3.11 mi3470-1223294-1153294-1153728(Top 13%)3517(Top 22%)3517(Top 62%)
20K12.43 mi3.11 mi3457+133276+183276+183468(Top 12%)3283(Top 20%)3283(Top 58%)
Half13.11 mi0.68 mi3484-273301-253301-253946(Top 14%)3710(Top 23%)3710(Top 66%)
25K15.53 mi2.42 mi3561-773370-693370-694071(Top 14%)3793(Top 24%)3793(Top 67%)
30K18.64 mi3.11 mi3404+1573221+1493221+1493074(Top 11%)2887(Top 18%)2887(Top 51%)
20M20.00 mi1.36 mi3343+613162+593162+593112(Top 11%)2888(Top 18%)2888(Top 51%)
21M21.00 mi1.00 mi3302+413124+383124+383112(Top 11%)2869(Top 18%)2869(Top 51%)
35K21.75 mi0.75 mi3280+223097+273097+273376(Top 12%)3075(Top 19%)3075(Top 55%)
23M23.00 mi1.25 mi3208+723027+703027+703109(Top 11%)2839(Top 18%)2839(Top 50%)
24M24.00 mi1.00 mi3174+342995+322995+323205(Top 11%)2885(Top 18%)2885(Top 51%)
40K24.85 mi0.85 mi3260-863070-753070-756190(Top 22%)4950(Top 31%)4950(Top 88%)
25.2M25.20 mi0.35 mi3246+143056+143056+143968(Top 14%)3384(Top 21%)3384(Top 60%)
Finish26.22 mi1.02 mi3191+553000+563000+562774(Top 10%)2481(Top 15%)2481(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3728

Males

3517

M18-39

3517

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3507

Males

3322

M18-39

3322

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3728

Males

3517

M18-39

3517

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3468

Males

3283

M18-39

3283

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3946

Males

3710

M18-39

3710

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

4071

Males

3793

M18-39

3793

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3074

Males

2887

M18-39

2887

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3112

Males

2888

M18-39

2888

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3112

Males

2869

M18-39

2869

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3376

Males

3075

M18-39

3075

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3109

Males

2839

M18-39

2839

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3205

Males

2885

M18-39

2885

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6190

Males

4950

M18-39

4950

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3968

Males

3384

M18-39

3384

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2774

Males

2481

M18-39

2481

Passing Analysis

Category:
Athletes Passed
995
Passed By
960
Net Change
+35
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3226
5K → 10K88210-122#3226#3348
10K → 15K59181-122#3348#3470
15K → 20K11097+13#3470#3457
20K → Half835-27#3457#3484
Half → 25K48125-77#3484#3561
25K → 30K19033+157#3561#3404
30K → 20M9130+61#3404#3343
20M → 21M7029+41#3343#3302
21M → 35K4725+22#3302#3280
35K → 23M9826+72#3280#3208
23M → 24M5824+34#3208#3174
24M → 40K22108-86#3174#3260
40K → 25.2M2814+14#3260#3246
25.2M → Finish7823+55#3246#3191
TOTALS995960+35
📊

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