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BOSTON MARATHON 2025

Aidan Balboni

Bib: 25714•M

MA

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

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
8:54/mi
27:38
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
55:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:44
↑ 67↓ 78
20K· 12.43 mi
10:28/mi
1:55:15
↑ 106↓ 860.1%
Half· 13.11 mi
9:46/mi
2:01:55
↑ 19↓ 370.5%
25K· 15.53 mi
11:10/mi
2:28:59
↑ 66↓ 880.2%
30K· 18.64 mi
12:40/mi
3:08:20
↑ 181↓ 1480.2%
20M
13:32/mi
3:26:44
↑ 64↓ 500.2%
21M
14:31/mi
3:41:15
↑ 106↓ 241.6%
35K· 21.75 mi
14:11/mi
3:51:52
↑ 17↓ 861.7%
23M
13:47/mi
4:09:07
↑ 23↓ 630.6%
24M
13:14/mi
4:22:21
↓ 821.3%
40K· 24.85 mi
12:57/mi
4:33:25
↓ 200.3%
25.2M
12:51/mi
4:37:51
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:48:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:55
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:46:51
Pace12:44 /mi
📊Positive Split: 36.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5127:388:5427:38
8:54
-
10K
6.21 mi12:10:2555:128:5327:34
8:52
-0:02
15K
9.32 mi12:37:571:22:448:5327:32
8:52
0:00
20K
12.43 mi13:10:281:55:159:1632:31
10:28
+1:36
Half
13.11 mi13:17:082:01:559:186:40
9:46
-0:42
25K
15.53 mi13:44:122:28:599:3527:04
11:10
+1:24
30K
18.64 mi14:23:333:08:2010:0639:21
12:40
+1:30
20M
20.00 mi14:41:573:26:4410:2018:24
13:32
+0:52
21M
21.00 mi14:56:283:41:1510:3214:31
14:31
+0:59
35K
21.75 mi15:07:053:51:5210:4010:37
14:11
-0:20
23M
23.00 mi15:24:204:09:0710:5017:15
13:47
-0:24
24M
24.00 mi15:37:344:22:2110:5613:14
13:14
-0:33
40K
24.85 mi15:48:384:33:2511:0011:04
12:57
-0:17
25.2M
25.20 mi15:53:044:37:5111:024:26
12:51
-0:06
Finish
26.22 mi16:03:594:48:4611:0110:55
10:43
-2:08

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

8:52 /mi

Average Pace

11:01 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:54

55% of race

Time at Steady Pace

1:26:29

30% of race

Time at Slower Pace

42:23

15% of race

Average Pace: 11:01 /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 mi11:42:5127:388:5427:38
8:54
#21973
10K
6.21 mi12:10:2555:128:5327:34
8:52
#21886
15K
9.32 mi12:37:571:22:448:5327:32
8:52
#21687
20K
12.43 mi13:10:281:55:159:1632:31
10:28
#23059
Half
13.11 mi13:17:082:01:559:186:40
9:46
#23122
25K
15.53 mi13:44:122:28:599:3527:04
11:10
#23671
30K
18.64 mi14:23:333:08:2010:0639:21
12:40
#24457
20M
20.00 mi14:41:573:26:4410:2018:24
13:32
#24753
21M
21.00 mi14:56:283:41:1510:3214:31
14:31
#24933
35K
21.75 mi15:07:053:51:5210:4010:37
14:11
#25117
23M
23.00 mi15:24:204:09:0710:5017:15
13:47
#25284
24M
24.00 mi15:37:344:22:2110:5613:14
13:14
#25381
40K
24.85 mi15:48:384:33:2511:0011:04
12:57
#25430
25.2M
25.20 mi15:53:044:37:5111:024:26
12:51
#25427
Finish
26.22 mi16:03:594:48:4611:0110:55
10:43
#25403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21973133041330421352(Top 75%)13107(Top 81%)13107(Top 232%)
10K6.21 mi3.10 mi21886+8713282+2213282+2221762(Top 77%)13249(Top 82%)13249(Top 235%)
15K9.32 mi3.11 mi21687+19913205+7713205+7721352(Top 75%)13107(Top 81%)13107(Top 232%)
20K12.43 mi3.11 mi23059-137213838-63313838-63325133(Top 88%)14733(Top 91%)14733(Top 261%)
Half13.11 mi0.68 mi23122-6313867-2913867-2924302(Top 86%)14370(Top 89%)14370(Top 255%)
25K15.53 mi2.42 mi23671-54914096-22914096-22925440(Top 90%)14837(Top 92%)14837(Top 263%)
30K18.64 mi3.11 mi24457-78614417-32114417-32126336(Top 93%)15128(Top 94%)15128(Top 268%)
20M20.00 mi1.36 mi24753-29614530-11314530-11326943(Top 95%)15348(Top 95%)15348(Top 272%)
21M21.00 mi1.00 mi24933-18014602-7214602-7226721(Top 94%)15224(Top 95%)15224(Top 270%)
35K21.75 mi0.75 mi25117-18414668-6614668-6627784(Top 98%)15715(Top 98%)15715(Top 279%)
23M23.00 mi1.25 mi25284-16714736-6814736-6827135(Top 96%)15394(Top 96%)15394(Top 273%)
24M24.00 mi1.00 mi25381-9714768-3214768-3227082(Top 95%)15333(Top 95%)15333(Top 272%)
40K24.85 mi0.85 mi25430-4914782-1414782-1426240(Top 92%)14910(Top 93%)14910(Top 264%)
25.2M25.20 mi0.35 mi25427+314780+214780+224827(Top 87%)14176(Top 88%)14176(Top 251%)
Finish26.22 mi1.02 mi25403+2414761+1914761+1924759(Top 87%)14156(Top 88%)14156(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21352

Males

13107

M18-39

13107

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21762

Males

13249

M18-39

13249

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21352

Males

13107

M18-39

13107

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25133

Males

14733

M18-39

14733

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24302

Males

14370

M18-39

14370

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25440

Males

14837

M18-39

14837

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26336

Males

15128

M18-39

15128

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

26943

Males

15348

M18-39

15348

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26721

Males

15224

M18-39

15224

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27784

Males

15715

M18-39

15715

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27135

Males

15394

M18-39

15394

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

27082

Males

15333

M18-39

15333

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26240

Males

14910

M18-39

14910

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24827

Males

14176

M18-39

14176

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24759

Males

14156

M18-39

14156

Passing Analysis

Category:
Athletes Passed
824
Passed By
4254
Net Change
-3430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21973
5K → 10K305218+87#21973#21886
10K → 15K316117+199#21886#21687
15K → 20K151387-1372#21687#23059
20K → Half1578-63#23059#23122
Half → 25K29578-549#23122#23671
25K → 30K16802-786#23671#24457
30K → 20M11307-296#24457#24753
20M → 21M10190-180#24753#24933
21M → 35K4188-184#24933#25117
35K → 23M7174-167#25117#25284
23M → 24M15112-97#25284#25381
24M → 40K2271-49#25381#25430
40K → 25.2M1613+3#25430#25427
25.2M → Finish4319+24#25427#25403
TOTALS8244254-3430
📊

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