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BOSTON MARATHON 2025

Harry Giusto

Bib: 12140•M

AZ

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

Start
0:00:00
Race begins
5K· 3.11 mi
23:32
Rank: #12899
Start → 5K
7:34/mi
23:32 split
10K· 6.21 mi
52:04
Rank: #19118 (-6219)
5K → 10K
9:11/mi
28:32 split
15K· 9.32 mi
1:18:58
Rank: #19493 (-375)
10K → 15K
8:39/mi
26:54 split
20K· 12.43 mi
1:50:47
Rank: #21528 (-2035)
15K → 20K
10:14/mi
31:49 split
Half· 13.11 mi
1:57:43
Rank: #21823 (-295)
20K → Half
10:10/mi
6:56 split
25K· 15.53 mi
2:26:16
Rank: #23166 (-1343)
Half → 25K
11:47/mi
28:33 split
30K· 18.64 mi
3:07:26
Rank: #24354 (-1188)
25K → 30K
13:15/mi
41:10 split
20M
3:24:04
Rank: #24498 (-144)
30K → 20M
12:14/mi
16:38 split
21M
3:40:08
Rank: #24819 (-321)
20M → 21M
16:04/mi
16:04 split
35K· 21.75 mi
3:48:37
Rank: #24832 (-13)
21M → 35K
11:20/mi
8:29 split
23M
4:03:09
Rank: #24836 (-4)
35K → 23M
11:36/mi
14:32 split
24M
4:14:50
Rank: #24851 (-15)
23M → 24M
11:41/mi
11:41 split
40K· 24.85 mi
4:25:51
Rank: #24920 (-69)
24M → 40K
12:53/mi
11:01 split
25.2M
4:30:30
Rank: #24938 (-18)
40K → 25.2M
13:29/mi
4:39 split
Finish· 26.22 mi
4:41:00
Rank: #24916 (+22)
25.2M → Finish
10:18/mi
10:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:43
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:43:17
Pace12:27 /mi
📊Positive Split: 38.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5523:327:3423:32
7:34
-
10K
6.21 mi11:19:2752:048:2328:32
9:11
+1:37
15K
9.32 mi11:46:211:18:588:2826:54
8:39
-0:32
20K
12.43 mi12:18:101:50:478:5531:49
10:14
+1:35
Half
13.11 mi12:25:061:57:438:596:56
10:10
-0:04
25K
15.53 mi12:53:392:26:169:2528:33
11:47
+1:37
30K
18.64 mi13:34:493:07:2610:0341:10
13:15
+1:28
20M
20.00 mi13:51:273:24:0410:1216:38
12:14
-1:01
21M
21.00 mi14:07:313:40:0810:2916:04
16:04
+3:50
35K
21.75 mi14:16:003:48:3710:318:29
11:20
-4:44
23M
23.00 mi14:30:324:03:0910:3414:32
11:36
+0:16
24M
24.00 mi14:42:134:14:5010:3711:41
11:41
+0:05
40K
24.85 mi14:53:144:25:5110:4211:01
12:53
+1:12
25.2M
25.20 mi14:57:534:30:3010:444:39
13:29
+0:36
Finish
26.22 mi15:08:234:41:0010:4410:30
10:18
-3:11

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

7:34 /mi

Average Pace

10:44 /mi

Slowest Pace

16:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:13

46% of race

Time at Steady Pace

1:19:53

28% of race

Time at Slower Pace

1:12:54

26% of race

Average Pace: 10:43 /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 mi10:50:5523:327:3423:32
7:34
#12899
10K
6.21 mi11:19:2752:048:2328:32
9:11
#19118
15K
9.32 mi11:46:211:18:588:2826:54
8:39
#19493
20K
12.43 mi12:18:101:50:478:5531:49
10:14
#21528
Half
13.11 mi12:25:061:57:438:596:56
10:10
#21823
25K
15.53 mi12:53:392:26:169:2528:33
11:47
#23166
30K
18.64 mi13:34:493:07:2610:0341:10
13:15
#24354
20M
20.00 mi13:51:273:24:0410:1216:38
12:14
#24498
21M
21.00 mi14:07:313:40:0810:2916:04
16:04
#24819
35K
21.75 mi14:16:003:48:3710:318:29
11:20
#24832
23M
23.00 mi14:30:324:03:0910:3414:32
11:36
#24836
24M
24.00 mi14:42:134:14:5010:3711:41
11:41
#24851
40K
24.85 mi14:53:144:25:5110:4211:01
12:53
#24920
25.2M
25.20 mi14:57:534:30:3010:444:39
13:29
#24938
Finish
26.22 mi15:08:234:41:0010:4410:30
10:18
#24916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi128999606960620248(Top 71%)12624(Top 78%)12624(Top 632%)
10K6.21 mi3.10 mi19118-621912095-248912095-248923136(Top 81%)13868(Top 86%)13868(Top 695%)
15K9.32 mi3.11 mi19493-37512262-16712262-16720248(Top 71%)12624(Top 78%)12624(Top 632%)
20K12.43 mi3.11 mi21528-203513140-87813140-87824728(Top 87%)14546(Top 90%)14546(Top 729%)
Half13.11 mi0.68 mi21823-29513259-11913259-11925171(Top 89%)14746(Top 92%)14746(Top 739%)
25K15.53 mi2.42 mi23166-134313879-62013879-62026182(Top 92%)15150(Top 94%)15150(Top 759%)
30K18.64 mi3.11 mi24354-118814368-48914368-48926922(Top 95%)15409(Top 96%)15409(Top 772%)
20M20.00 mi1.36 mi24498-14414424-5614424-5625591(Top 90%)14727(Top 91%)14727(Top 738%)
21M21.00 mi1.00 mi24819-32114552-12814552-12827839(Top 98%)15791(Top 98%)15791(Top 791%)
35K21.75 mi0.75 mi24832-1314547+514547+524833(Top 87%)14277(Top 89%)14277(Top 715%)
23M23.00 mi1.25 mi24836-414536+1114536+1124426(Top 86%)14057(Top 87%)14057(Top 704%)
24M24.00 mi1.00 mi24851-1514526+1014526+1025218(Top 89%)14417(Top 90%)14417(Top 722%)
40K24.85 mi0.85 mi24920-6914544-1814544-1826179(Top 92%)14879(Top 92%)14879(Top 745%)
25.2M25.20 mi0.35 mi24938-1814551-714551-725652(Top 90%)14566(Top 90%)14566(Top 730%)
Finish26.22 mi1.02 mi24916+2214532+1914532+1923804(Top 84%)13673(Top 85%)13673(Top 685%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20248

Males

12624

M50-54

12624

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23136

Males

13868

M50-54

13868

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20248

Males

12624

M50-54

12624

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24728

Males

14546

M50-54

14546

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25171

Males

14746

M50-54

14746

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26182

Males

15150

M50-54

15150

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26922

Males

15409

M50-54

15409

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25591

Males

14727

M50-54

14727

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27839

Males

15791

M50-54

15791

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24833

Males

14277

M50-54

14277

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24426

Males

14057

M50-54

14057

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25218

Males

14417

M50-54

14417

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26179

Males

14879

M50-54

14879

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25652

Males

14566

M50-54

14566

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23804

Males

13673

M50-54

13673

Passing Analysis

Category:
Athletes Passed
338
Passed By
12355
Net Change
-12017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12899
5K → 10K26221-6219#12899#19118
10K → 15K87462-375#19118#19493
15K → 20K162051-2035#19493#21528
20K → Half6301-295#21528#21823
Half → 25K51348-1343#21823#23166
25K → 30K111199-1188#23166#24354
30K → 20M25169-144#24354#24498
20M → 21M9330-321#24498#24819
21M → 35K3144-13#24819#24832
35K → 23M4448-4#24832#24836
23M → 24M3348-15#24836#24851
24M → 40K1988-69#24851#24920
40K → 25.2M927-18#24920#24938
25.2M → Finish4119+22#24938#24916
TOTALS33812355-12017
📊

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