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BOSTON MARATHON 2025

Kassio Macedo

Bib: 11838•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M45-49)
#0 / 2386
Top 17%
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
7:02/mi
21:50
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
43:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:04:20
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:25:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:29:47
↑ 19↓ 370.5%
25K· 15.53 mi
6:44/mi
1:46:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:58/mi
2:07:47
↑ 181↓ 1480.2%
20M
6:57/mi
2:17:13
↑ 64↓ 500.2%
21M
7:16/mi
2:24:29
↑ 106↓ 241.6%
35K· 21.75 mi
6:48/mi
2:29:34
↑ 17↓ 861.7%
23M
6:50/mi
2:38:07
↑ 23↓ 630.6%
24M
6:38/mi
2:44:45
↓ 821.3%
40K· 24.85 mi
6:51/mi
2:50:36
↓ 200.3%
25.2M
7:35/mi
2:53:13
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:00:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:47
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4521:507:0221:50
7:02
-
10K
6.21 mi11:11:1043:156:5821:25
6:54
-0:08
15K
9.32 mi11:32:151:04:206:5421:05
6:47
-0:07
20K
12.43 mi11:53:111:25:166:5220:56
6:44
-0:03
Half
13.11 mi11:57:421:29:476:514:31
6:37
-0:07
25K
15.53 mi12:14:021:46:076:5016:20
6:44
+0:07
30K
18.64 mi12:35:422:07:476:5121:40
6:58
+0:14
20M
20.00 mi12:45:082:17:136:529:26
6:57
-0:01
21M
21.00 mi12:52:242:24:296:537:16
7:16
+0:19
35K
21.75 mi12:57:292:29:346:535:05
6:48
-0:28
23M
23.00 mi13:06:022:38:076:528:33
6:50
+0:02
24M
24.00 mi13:12:402:44:456:526:38
6:38
-0:12
40K
24.85 mi13:18:312:50:366:525:51
6:51
+0:13
25.2M
25.20 mi13:21:082:53:136:522:37
7:35
+0:44
Finish
26.22 mi13:28:013:00:066:526:53
6:45
-0:50

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

6:37 /mi

Average Pace

6:52 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:29

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:49:4521:507:0221:50
7:02
#8020
10K
6.21 mi11:11:1043:156:5821:25
6:54
#7582
15K
9.32 mi11:32:151:04:206:5421:05
6:47
#7087
20K
12.43 mi11:53:111:25:166:5220:56
6:44
#6507
Half
13.11 mi11:57:421:29:476:514:31
6:37
#6394
25K
15.53 mi12:14:021:46:076:5016:20
6:44
#5988
30K
18.64 mi12:35:422:07:476:5121:40
6:58
#5621
20M
20.00 mi12:45:082:17:136:529:26
6:57
#5450
21M
21.00 mi12:52:242:24:296:537:16
7:16
#5269
35K
21.75 mi12:57:292:29:346:535:05
6:48
#5206
23M
23.00 mi13:06:022:38:076:528:33
6:50
#4996
24M
24.00 mi13:12:402:44:456:526:38
6:38
#4836
40K
24.85 mi13:18:312:50:366:525:51
6:51
#4733
25.2M
25.20 mi13:21:082:53:136:522:37
7:35
#4714
Finish
26.22 mi13:28:013:00:066:526:53
6:45
#4711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8020700770075932(Top 21%)5398(Top 34%)5398(Top 226%)
10K6.21 mi3.10 mi7582+4386709+2986709+2987167(Top 25%)6404(Top 40%)6404(Top 268%)
15K9.32 mi3.11 mi7087+4956349+3606349+3605932(Top 21%)5398(Top 34%)5398(Top 226%)
20K12.43 mi3.11 mi6507+5805885+4645885+4644756(Top 17%)4401(Top 27%)4401(Top 184%)
Half13.11 mi0.68 mi6394+1135794+915794+914543(Top 16%)4236(Top 26%)4236(Top 178%)
25K15.53 mi2.42 mi5988+4065447+3475447+3474377(Top 15%)4055(Top 25%)4055(Top 170%)
30K18.64 mi3.11 mi5621+3675136+3115136+3114537(Top 16%)4145(Top 26%)4145(Top 174%)
20M20.00 mi1.36 mi5450+1714989+1474989+1473758(Top 13%)3457(Top 21%)3457(Top 145%)
21M21.00 mi1.00 mi5269+1814823+1664823+1663459(Top 12%)3171(Top 20%)3171(Top 133%)
35K21.75 mi0.75 mi5206+634769+544769+544061(Top 14%)3636(Top 23%)3636(Top 152%)
23M23.00 mi1.25 mi4996+2104578+1914578+1912847(Top 10%)2609(Top 16%)2609(Top 109%)
24M24.00 mi1.00 mi4836+1604434+1444434+1442643(Top 9%)2426(Top 15%)2426(Top 102%)
40K24.85 mi0.85 mi4733+1034342+924342+923042(Top 11%)2738(Top 17%)2738(Top 115%)
25.2M25.20 mi0.35 mi4714+194320+224320+223783(Top 13%)3265(Top 20%)3265(Top 137%)
Finish26.22 mi1.02 mi4711+34311+94311+94205(Top 15%)3582(Top 22%)3582(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5932

Males

5398

M45-49

5398

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7167

Males

6404

M45-49

6404

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5932

Males

5398

M45-49

5398

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4756

Males

4401

M45-49

4401

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4543

Males

4236

M45-49

4236

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4377

Males

4055

M45-49

4055

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4537

Males

4145

M45-49

4145

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3758

Males

3457

M45-49

3457

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3459

Males

3171

M45-49

3171

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

4061

Males

3636

M45-49

3636

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2847

Males

2609

M45-49

2609

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2643

Males

2426

M45-49

2426

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3042

Males

2738

M45-49

2738

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3783

Males

3265

M45-49

3265

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4205

Males

3582

M45-49

3582

Passing Analysis

Category:
Athletes Passed
3508
Passed By
199
Net Change
+3309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8020
5K → 10K49658+438#8020#7582
10K → 15K50611+495#7582#7087
15K → 20K5833+580#7087#6507
20K → Half1130+113#6507#6394
Half → 25K4093+406#6394#5988
25K → 30K39629+367#5988#5621
30K → 20M1754+171#5621#5450
20M → 21M1909+181#5450#5269
21M → 35K7512+63#5269#5206
35K → 23M2155+210#5206#4996
23M → 24M1644+160#4996#4836
24M → 40K11411+103#4836#4733
40K → 25.2M3314+19#4733#4714
25.2M → Finish3936+3#4714#4711
TOTALS3508199+3309
📊

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