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BOSTON MARATHON 2025

Sergio Giuranno

Bib: 12612•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
Division (M55-59)
#0 / 1648
Top 23%
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
7:25/mi
23:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:41
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:57:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:22:13
↑ 181↓ 1480.2%
20M
8:07/mi
2:33:15
↑ 64↓ 500.2%
21M
8:30/mi
2:41:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:47:27
↑ 17↓ 861.7%
23M
7:50/mi
2:57:16
↑ 23↓ 630.6%
24M
7:41/mi
3:04:57
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:11:38
↓ 200.3%
25.2M
8:36/mi
3:14:36
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:22:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:39
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5223:047:2523:04
7:25
-
10K
6.21 mi11:14:0846:207:2723:16
7:29
+0:04
15K
9.32 mi11:37:291:09:417:2923:21
7:31
+0:02
20K
12.43 mi12:01:181:33:307:3123:49
7:40
+0:09
Half
13.11 mi12:06:271:38:397:315:09
7:33
-0:07
25K
15.53 mi12:25:141:57:267:3418:47
7:45
+0:12
30K
18.64 mi12:50:012:22:137:3824:47
7:59
+0:14
20M
20.00 mi13:01:032:33:157:4011:02
8:07
+0:08
21M
21.00 mi13:09:332:41:457:428:30
8:30
+0:23
35K
21.75 mi13:15:152:47:277:425:42
7:37
-0:53
23M
23.00 mi13:25:042:57:167:429:49
7:50
+0:13
24M
24.00 mi13:32:453:04:577:427:41
7:41
-0:09
40K
24.85 mi13:39:263:11:387:436:41
7:49
+0:08
25.2M
25.20 mi13:42:243:14:367:432:58
8:36
+0:47
Finish
26.22 mi13:50:123:22:247:447:48
7:39
-0:57

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

7:25 /mi

Average Pace

7:44 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:56

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:50:5223:047:2523:04
7:25
#11554
10K
6.21 mi11:14:0846:207:2723:16
7:29
#11744
15K
9.32 mi11:37:291:09:417:2923:21
7:31
#11764
20K
12.43 mi12:01:181:33:307:3123:49
7:40
#11834
Half
13.11 mi12:06:271:38:397:315:09
7:33
#11851
25K
15.53 mi12:25:141:57:267:3418:47
7:45
#11841
30K
18.64 mi12:50:012:22:137:3824:47
7:59
#11667
20M
20.00 mi13:01:032:33:157:4011:02
8:07
#11566
21M
21.00 mi13:09:332:41:457:428:30
8:30
#11482
35K
21.75 mi13:15:152:47:277:425:42
7:37
#11390
23M
23.00 mi13:25:042:57:167:429:49
7:50
#11194
24M
24.00 mi13:32:453:04:577:427:41
7:41
#11039
40K
24.85 mi13:39:263:11:387:436:41
7:49
#10943
25.2M
25.20 mi13:42:243:14:367:432:58
8:36
#10904
Finish
26.22 mi13:50:123:22:247:447:48
7:39
#10858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi115548975897511884(Top 42%)9010(Top 56%)9010(Top 547%)
10K6.21 mi3.10 mi11744-1909041-669041-6611989(Top 42%)9140(Top 57%)9140(Top 555%)
15K9.32 mi3.11 mi11764-209032+99032+911884(Top 42%)9010(Top 56%)9010(Top 547%)
20K12.43 mi3.11 mi11834-709023+99023+912079(Top 43%)9003(Top 56%)9003(Top 546%)
Half13.11 mi0.68 mi11851-179014+99014+912063(Top 42%)9035(Top 56%)9035(Top 548%)
25K15.53 mi2.42 mi11841+108969+458969+4511903(Top 42%)8798(Top 55%)8798(Top 534%)
30K18.64 mi3.11 mi11667+1748816+1538816+15311206(Top 39%)8289(Top 51%)8289(Top 503%)
20M20.00 mi1.36 mi11566+1018729+878729+8711223(Top 40%)8142(Top 51%)8142(Top 494%)
21M21.00 mi1.00 mi11482+848649+808649+8010440(Top 37%)7578(Top 47%)7578(Top 460%)
35K21.75 mi0.75 mi11390+928578+718578+719453(Top 33%)7096(Top 44%)7096(Top 431%)
23M23.00 mi1.25 mi11194+1968446+1328446+1328868(Top 31%)6656(Top 41%)6656(Top 404%)
24M24.00 mi1.00 mi11039+1558331+1158331+1159008(Top 32%)6659(Top 41%)6659(Top 404%)
40K24.85 mi0.85 mi10943+968250+818250+818878(Top 31%)6460(Top 40%)6460(Top 392%)
25.2M25.20 mi0.35 mi10904+398217+338217+339395(Top 33%)6647(Top 41%)6647(Top 403%)
Finish26.22 mi1.02 mi10858+468167+508167+5010329(Top 36%)7159(Top 44%)7159(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11884

Males

9010

M55-59

9010

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11989

Males

9140

M55-59

9140

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11884

Males

9010

M55-59

9010

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12079

Males

9003

M55-59

9003

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

12063

Males

9035

M55-59

9035

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11903

Males

8798

M55-59

8798

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11206

Males

8289

M55-59

8289

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11223

Males

8142

M55-59

8142

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10440

Males

7578

M55-59

7578

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9453

Males

7096

M55-59

7096

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8868

Males

6656

M55-59

6656

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9008

Males

6659

M55-59

6659

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8878

Males

6460

M55-59

6460

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9395

Males

6647

M55-59

6647

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10329

Males

7159

M55-59

7159

Passing Analysis

Category:
Athletes Passed
2074
Passed By
1378
Net Change
+696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11554
5K → 10K165355-190#11554#11744
10K → 15K166186-20#11744#11764
15K → 20K168238-70#11764#11834
20K → Half3249-17#11834#11851
Half → 25K166156+10#11851#11841
25K → 30K298124+174#11841#11667
30K → 20M16261+101#11667#11566
20M → 21M14460+84#11566#11482
21M → 35K11119+92#11482#11390
35K → 23M22024+196#11390#11194
23M → 24M17318+155#11194#11039
24M → 40K12428+96#11039#10943
40K → 25.2M5819+39#10943#10904
25.2M → Finish8741+46#10904#10858
TOTALS20741378+696
📊

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