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BOSTON MARATHON 2025

Alexandre Rizzi

Bib: 12373•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
8:43/mi
27:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
54:59
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:23:27
↑ 67↓ 78
20K· 12.43 mi
9:20/mi
1:52:27
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
1:58:49
↑ 19↓ 370.5%
25K· 15.53 mi
10:12/mi
2:23:33
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
2:56:34
↑ 181↓ 1480.2%
20M
10:20/mi
3:10:37
↑ 64↓ 500.2%
21M
11:54/mi
3:22:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:30:34
↑ 17↓ 861.7%
23M
10:03/mi
3:43:09
↑ 23↓ 630.6%
24M
10:49/mi
3:53:58
↓ 821.3%
40K· 24.85 mi
11:24/mi
4:03:43
↓ 200.3%
25.2M
11:04/mi
4:07:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:47/mi
4:17:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:49
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:18:41
Pace10:35 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5427:048:4327:04
8:43
-
10K
6.21 mi11:46:4954:598:5127:55
8:59
+0:16
15K
9.32 mi12:15:171:23:278:5728:28
9:10
+0:11
20K
12.43 mi12:44:171:52:279:0329:00
9:20
+0:10
Half
13.11 mi12:50:391:58:499:046:22
9:20
0:00
25K
15.53 mi13:15:232:23:339:1424:44
10:12
+0:52
30K
18.64 mi13:48:242:56:349:2833:01
10:38
+0:26
20M
20.00 mi14:02:273:10:379:3214:03
10:20
-0:18
21M
21.00 mi14:14:213:22:319:3911:54
11:54
+1:34
35K
21.75 mi14:22:243:30:349:418:03
10:46
-1:08
23M
23.00 mi14:34:593:43:099:4212:35
10:03
-0:43
24M
24.00 mi14:45:483:53:589:4510:49
10:49
+0:46
40K
24.85 mi14:55:334:03:439:489:45
11:24
+0:35
25.2M
25.20 mi14:59:224:07:329:493:49
11:04
-0:20
Finish
26.22 mi15:09:204:17:309:509:58
9:47
-1:17

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

8:43 /mi

Average Pace

9:50 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:49

46% of race

Time at Steady Pace

1:34:21

37% of race

Time at Slower Pace

44:20

17% of race

Average Pace: 9:49 /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 mi11:18:5427:048:4327:04
8:43
#21065
10K
6.21 mi11:46:4954:598:5127:55
8:59
#21703
15K
9.32 mi12:15:171:23:278:5728:28
9:10
#22087
20K
12.43 mi12:44:171:52:279:0329:00
9:20
#22153
Half
13.11 mi12:50:391:58:499:046:22
9:20
#22191
25K
15.53 mi13:15:232:23:339:1424:44
10:12
#22579
30K
18.64 mi13:48:242:56:349:2833:01
10:38
#22728
20M
20.00 mi14:02:273:10:379:3214:03
10:20
#22655
21M
21.00 mi14:14:213:22:319:3911:54
11:54
#22699
35K
21.75 mi14:22:243:30:349:418:03
10:46
#22735
23M
23.00 mi14:34:593:43:099:4212:35
10:03
#22605
24M
24.00 mi14:45:483:53:589:4510:49
10:49
#22636
40K
24.85 mi14:55:334:03:439:489:45
11:24
#22680
25.2M
25.20 mi14:59:224:07:329:493:49
11:04
#22657
Finish
26.22 mi15:09:204:17:309:509:58
9:47
#22653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21065128891288922724(Top 80%)13704(Top 85%)13704(Top 687%)
10K6.21 mi3.10 mi21703-63813202-31313202-31322329(Top 79%)13490(Top 84%)13490(Top 676%)
15K9.32 mi3.11 mi22087-38413380-17813380-17822724(Top 80%)13704(Top 85%)13704(Top 687%)
20K12.43 mi3.11 mi22153-6613412-3213412-3222372(Top 79%)13525(Top 84%)13525(Top 678%)
Half13.11 mi0.68 mi22191-3813428-1613428-1623044(Top 81%)13807(Top 86%)13807(Top 692%)
25K15.53 mi2.42 mi22579-38813606-17813606-17823727(Top 84%)14061(Top 87%)14061(Top 704%)
30K18.64 mi3.11 mi22728-14913637-3113637-3123216(Top 82%)13709(Top 85%)13709(Top 687%)
20M20.00 mi1.36 mi22655+7313578+5913578+5921973(Top 77%)13042(Top 81%)13042(Top 653%)
21M21.00 mi1.00 mi22699-4413580-213580-223404(Top 82%)13630(Top 85%)13630(Top 683%)
35K21.75 mi0.75 mi22735-36135801358023710(Top 83%)13747(Top 85%)13747(Top 689%)
23M23.00 mi1.25 mi22605+13013498+8213498+8220654(Top 73%)12223(Top 76%)12223(Top 612%)
24M24.00 mi1.00 mi22636-3113481+1713481+1723592(Top 83%)13614(Top 85%)13614(Top 682%)
40K24.85 mi0.85 mi22680-4413494-1313494-1323963(Top 84%)13752(Top 85%)13752(Top 689%)
25.2M25.20 mi0.35 mi22657+2313468+2613468+2620840(Top 73%)12216(Top 76%)12216(Top 612%)
Finish26.22 mi1.02 mi22653+413451+1713451+1722196(Top 78%)12879(Top 80%)12879(Top 645%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22724

Males

13704

M50-54

13704

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22329

Males

13490

M50-54

13490

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22724

Males

13704

M50-54

13704

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22372

Males

13525

M50-54

13525

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23044

Males

13807

M50-54

13807

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23727

Males

14061

M50-54

14061

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23216

Males

13709

M50-54

13709

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21973

Males

13042

M50-54

13042

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23404

Males

13630

M50-54

13630

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23710

Males

13747

M50-54

13747

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20654

Males

12223

M50-54

12223

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23592

Males

13614

M50-54

13614

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23963

Males

13752

M50-54

13752

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20840

Males

12216

M50-54

12216

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22196

Males

12879

M50-54

12879

Passing Analysis

Category:
Athletes Passed
1046
Passed By
2634
Net Change
-1588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21065
5K → 10K89727-638#21065#21703
10K → 15K91475-384#21703#22087
15K → 20K163229-66#22087#22153
20K → Half2462-38#22153#22191
Half → 25K44432-388#22191#22579
25K → 30K127276-149#22579#22728
30K → 20M11037+73#22728#22655
20M → 21M56100-44#22655#22699
21M → 35K3975-36#22699#22735
35K → 23M14717+130#22735#22605
23M → 24M5081-31#22605#22636
24M → 40K2670-44#22636#22680
40K → 25.2M3512+23#22680#22657
25.2M → Finish4541+4#22657#22653
TOTALS10462634-1588
📊

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