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BOSTON MARATHON 2025

Leonard Guzzino

Bib: 26187•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
10:16/mi
31:55
↑ 97↓ 3451.5%
10K· 6.21 mi
10:39/mi
1:05:01
↑ 79↓ 1380.4%
15K· 9.32 mi
10:48/mi
1:38:35
↑ 67↓ 78
20K· 12.43 mi
11:14/mi
2:13:28
↑ 106↓ 860.1%
Half· 13.11 mi
10:46/mi
2:20:49
↑ 19↓ 370.5%
25K· 15.53 mi
12:51/mi
2:51:58
↑ 66↓ 880.2%
30K· 18.64 mi
14:22/mi
3:36:35
↑ 181↓ 1480.2%
20M
13:57/mi
3:55:32
↑ 64↓ 500.2%
21M
16:04/mi
4:11:36
↑ 106↓ 241.6%
35K· 21.75 mi
13:38/mi
4:21:48
↑ 17↓ 861.7%
23M
14:30/mi
4:39:57
↑ 23↓ 630.6%
24M
13:43/mi
4:53:40
↓ 821.3%
40K· 24.85 mi
13:43/mi
5:05:24
↓ 200.3%
25.2M
16:14/mi
5:11:00
↑ 13↓ 160.2%
Finish· 26.22 mi
13:51/mi
5:25:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:49
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time3:04:18
Pace14:04 /mi
📊Positive Split: 30.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5531:5510:1631:55
10:16
-
10K
6.21 mi12:23:011:05:0110:2833:06
10:39
+0:23
15K
9.32 mi12:56:351:38:3510:3533:34
10:48
+0:09
20K
12.43 mi13:31:282:13:2810:4434:53
11:14
+0:26
Half
13.11 mi13:38:492:20:4910:447:21
10:46
-0:28
25K
15.53 mi14:09:582:51:5811:0431:09
12:51
+2:05
30K
18.64 mi14:54:353:36:3511:3744:37
14:22
+1:31
20M
20.00 mi15:13:323:55:3211:4718:57
13:57
-0:25
21M
21.00 mi15:29:364:11:3611:5916:04
16:04
+2:07
35K
21.75 mi15:39:484:21:4812:0210:12
13:38
-2:26
23M
23.00 mi15:57:574:39:5712:1018:09
14:30
+0:52
24M
24.00 mi16:11:404:53:4012:1413:43
13:43
-0:47
40K
24.85 mi16:23:245:05:2412:1711:44
13:43
0:00
25.2M
25.20 mi16:29:005:11:0012:205:36
16:14
+2:31
Finish
26.22 mi16:43:075:25:0712:2514:07
13:51
-2:23

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

10:16 /mi

Average Pace

12:25 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:49

43% of race

Time at Steady Pace

2:42:38

50% of race

Time at Slower Pace

21:40

7% of race

Average Pace: 12:24 /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 mi11:49:5531:5510:1631:55
10:16
#26246
10K
6.21 mi12:23:011:05:0110:2833:06
10:39
#26428
15K
9.32 mi12:56:351:38:3510:3533:34
10:48
#26419
20K
12.43 mi13:31:282:13:2810:4434:53
11:14
#26395
Half
13.11 mi13:38:492:20:4910:447:21
10:46
#26386
25K
15.53 mi14:09:582:51:5811:0431:09
12:51
#26598
30K
18.64 mi14:54:353:36:3511:3744:37
14:22
#26927
20M
20.00 mi15:13:323:55:3211:4718:57
13:57
#26970
21M
21.00 mi15:29:364:11:3611:5916:04
16:04
#27050
35K
21.75 mi15:39:484:21:4812:0210:12
13:38
#27069
23M
23.00 mi15:57:574:39:5712:1018:09
14:30
#27131
24M
24.00 mi16:11:404:53:4012:1413:43
13:43
#27156
40K
24.85 mi16:23:245:05:2412:1711:44
13:43
#27156
25.2M
25.20 mi16:29:005:11:0012:205:36
16:14
#27179
Finish
26.22 mi16:43:075:25:0712:2514:07
13:51
#27249
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26246152871528726419(Top 93%)15338(Top 95%)15338(Top 931%)
10K6.21 mi3.10 mi26428-18215351-6415351-6426530(Top 93%)15379(Top 95%)15379(Top 933%)
15K9.32 mi3.11 mi26419+915342+915342+926419(Top 93%)15338(Top 95%)15338(Top 931%)
20K12.43 mi3.11 mi26395+2415321+2115321+2126320(Top 93%)15268(Top 95%)15268(Top 926%)
Half13.11 mi0.68 mi26386+9153211532126213(Top 92%)15202(Top 94%)15202(Top 922%)
25K15.53 mi2.42 mi26598-21215391-7015391-7027196(Top 96%)15587(Top 97%)15587(Top 946%)
30K18.64 mi3.11 mi26927-32915508-11715508-11727738(Top 98%)15757(Top 98%)15757(Top 956%)
20M20.00 mi1.36 mi26970-4315519-1115519-1127245(Top 96%)15496(Top 96%)15496(Top 940%)
21M21.00 mi1.00 mi27050-8015538-1915538-1927841(Top 98%)15793(Top 98%)15793(Top 958%)
35K21.75 mi0.75 mi27069-1915543-515543-527449(Top 97%)15556(Top 97%)15556(Top 944%)
23M23.00 mi1.25 mi27131-6215557-1415557-1427650(Top 97%)15654(Top 97%)15654(Top 950%)
24M24.00 mi1.00 mi27156-2515561-415561-427475(Top 97%)15536(Top 96%)15536(Top 943%)
40K24.85 mi0.85 mi2715615557+415557+426951(Top 95%)15266(Top 95%)15266(Top 926%)
25.2M25.20 mi0.35 mi27179-2315567-1015567-1027822(Top 98%)15720(Top 98%)15720(Top 954%)
Finish26.22 mi1.02 mi27249-7015584-1715584-1727991(Top 99%)15834(Top 98%)15834(Top 961%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26419

Males

15338

M55-59

15338

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26530

Males

15379

M55-59

15379

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26419

Males

15338

M55-59

15338

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26320

Males

15268

M55-59

15268

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26213

Males

15202

M55-59

15202

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27196

Males

15587

M55-59

15587

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27738

Males

15757

M55-59

15757

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27245

Males

15496

M55-59

15496

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27841

Males

15793

M55-59

15793

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27449

Males

15556

M55-59

15556

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27650

Males

15654

M55-59

15654

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27475

Males

15536

M55-59

15536

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26951

Males

15266

M55-59

15266

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27822

Males

15720

M55-59

15720

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

27991

Males

15834

M55-59

15834

Passing Analysis

Category:
Athletes Passed
524
Passed By
1527
Net Change
-1003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26246
5K → 10K101283-182#26246#26428
10K → 15K130121+9#26428#26419
15K → 20K131107+24#26419#26395
20K → Half2516+9#26395#26386
Half → 25K32244-212#26386#26598
25K → 30K23352-329#26598#26927
30K → 20M1861-43#26927#26970
20M → 21M686-80#26970#27050
21M → 35K1332-19#27050#27069
35K → 23M1072-62#27069#27131
23M → 24M732-25#27131#27156
24M → 40K18180#27156#27156
40K → 25.2M124-23#27156#27179
25.2M → Finish979-70#27179#27249
TOTALS5241527-1003
📊

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