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BOSTON MARATHON 2026

Gianni Colbertaldo

Bib: 1936β€’M

NY

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 9%
Age Group (M18-39)
#0 / 5723
Top 21%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
18:46
3.11 mi
Rank: #1334
Start β†’ 5K
18:46 | 6:03/mi
10K
37:38
6.21 mi
Rank: #1481 (-147)
5K β†’ 10K
18:52 | 6:05/mi
15K
56:25
9.32 mi
Rank: #1509 (-28)
10K β†’ 15K
18:47 | 6:03/mi
20K
1:15:20
12.43 mi
Rank: #1509
15K β†’ 20K
18:55 | 6:06/mi
HALF
1:19:27
13.11 mi
Rank: #1517 (-8)
20K β†’ HALF
4:07 | 6:03/mi
25K
1:34:16
15.53 mi
Rank: #1503 (+14)
HALF β†’ 25K
14:49 | 6:07/mi
30K
1:53:56
18.64 mi
Rank: #1514 (-11)
25K β†’ 30K
19:40 | 6:20/mi
20M
2:02:30
20.00 mi
Rank: #1503 (+11)
30K β†’ 20M
8:34 | 6:19/mi
21M
2:09:14
21.00 mi
Rank: #1511 (-8)
20M β†’ 21M
6:44 | 6:44/mi
35K
2:13:43
21.75 mi
Rank: #1488 (+23)
21M β†’ 35K
4:29 | 6:00/mi
23M
2:21:35
23.00 mi
Rank: #1461 (+27)
35K β†’ 23M
7:52 | 6:18/mi
24M
2:27:46
24.00 mi
Rank: #1447 (+14)
23M β†’ 24M
6:11 | 6:11/mi
40K
2:33:18
24.85 mi
Rank: #1456 (-9)
24M β†’ 40K
5:32 | 6:29/mi
25.2M
2:35:42
25.20 mi
Rank: #1459 (-3)
40K β†’ 25.2M
2:24 | 6:58/mi
FINISH
2:41:54
26.22 mi
Rank: #1449 (+10)
25.2M β†’ FINISH
6:12 | 6:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:19:27
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:22:27
Pace6:18 /mi
πŸ“ŠPositive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0918:466:0318:46
6:03
-
10K
6.21 mi10:39:0137:386:0418:52
6:05
+0:02
15K
9.32 mi10:57:4856:256:0418:47
6:03
-0:02
20K
12.43 mi11:16:431:15:206:0418:55
6:06
+0:03
HALF
13.11 mi11:20:501:19:276:044:07
6:03
-0:03
25K
15.53 mi11:35:391:34:166:0514:49
6:07
+0:04
30K
18.64 mi11:55:191:53:566:0719:40
6:20
+0:13
20M
20.00 mi12:03:532:02:306:088:34
6:19
-0:01
21M
21.00 mi12:10:372:09:146:106:44
6:44
+0:25
35K
21.75 mi12:15:062:13:436:094:29
6:00
-0:44
23M
23.00 mi12:22:582:21:356:107:52
6:18
+0:18
24M
24.00 mi12:29:092:27:466:106:11
6:11
-0:07
40K
24.85 mi12:34:412:33:186:115:32
6:29
+0:18
25.2M
25.20 mi12:37:052:35:426:112:24
6:58
+0:29
FINISH
26.22 mi12:43:172:41:546:116:12
6:06
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:00 /mi

Average Pace

6:11 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:32:46

94% of race

Time at Steady Pace

9:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:0918:466:0318:46
6:03
#1334
10K
6.21 mi10:39:0137:386:0418:52
6:05
#1481
15K
9.32 mi10:57:4856:256:0418:47
6:03
#1509
20K
12.43 mi11:16:431:15:206:0418:55
6:06
#1509
HALF
13.11 mi11:20:501:19:276:044:07
6:03
#1517
25K
15.53 mi11:35:391:34:166:0514:49
6:07
#1503
30K
18.64 mi11:55:191:53:566:0719:40
6:20
#1514
20M
20.00 mi12:03:532:02:306:088:34
6:19
#1503
21M
21.00 mi12:10:372:09:146:106:44
6:44
#1511
35K
21.75 mi12:15:062:13:436:094:29
6:00
#1488
23M
23.00 mi12:22:582:21:356:107:52
6:18
#1461
24M
24.00 mi12:29:092:27:466:106:11
6:11
#1447
40K
24.85 mi12:34:412:33:186:115:32
6:29
#1456
25.2M
25.20 mi12:37:052:35:426:112:24
6:58
#1459
FINISH
26.22 mi12:43:172:41:546:116:12
6:06
#1449
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1334127812781554(Top 5%)1497(Top 9%)1497(Top 26%)
10K6.21 mi3.10 mi1481-1471426-1481426-1481682(Top 6%)1618(Top 10%)1618(Top 28%)
15K9.32 mi3.11 mi1509-281452-261452-261554(Top 5%)1497(Top 9%)1497(Top 26%)
20K12.43 mi3.11 mi1509145214521539(Top 5%)1485(Top 9%)1485(Top 26%)
HALF13.11 mi0.68 mi1517-81460-81460-81631(Top 6%)1574(Top 10%)1574(Top 28%)
25K15.53 mi2.42 mi1503+141449+111449+111493(Top 5%)1440(Top 9%)1440(Top 25%)
30K18.64 mi3.11 mi1514-111457-81457-81754(Top 6%)1684(Top 10%)1684(Top 29%)
20M20.00 mi1.36 mi1503+111447+101447+101556(Top 5%)1488(Top 9%)1488(Top 26%)
21M21.00 mi1.00 mi1511-81456-91456-92139(Top 7%)2034(Top 12%)2034(Top 36%)
35K21.75 mi0.75 mi1488+231434+221434+221179(Top 4%)1134(Top 7%)1134(Top 20%)
23M23.00 mi1.25 mi1461+271407+271407+271493(Top 5%)1427(Top 9%)1427(Top 25%)
24M24.00 mi1.00 mi1447+141394+131394+131678(Top 6%)1591(Top 10%)1591(Top 28%)
40K24.85 mi0.85 mi1456-91402-81402-82397(Top 8%)2206(Top 14%)2206(Top 39%)
25.2M25.20 mi0.35 mi1459-31405-31405-32387(Top 8%)2180(Top 13%)2180(Top 38%)
FINISH26.22 mi1.02 mi1449+101394+111394+111954(Top 7%)1810(Top 11%)1810(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
Γ—21
+97ft-345ft

Overall

1554

Males

1497

M18-39

1497

5K→10K

3.1 - 6.2 mi

Top 6%
Γ—5
+79ft-138ft

Overall

1682

Males

1618

M18-39

1618

10K→15K

6.2 - 9.3 mi

Top 5%
Γ—3
+67ft-78ft

Overall

1554

Males

1497

M18-39

1497

15K→20K

9.3 - 12.4 mi

Top 5%
Γ—5
+106ft-86ft

Overall

1539

Males

1485

M18-39

1485

20K→HALF

12.4 - 13.1 mi

Top 6%
Γ—2
+19ft-37ft

Overall

1631

Males

1574

M18-39

1574

HALF→25K

13.1 - 15.5 mi

Top 5%
Γ—4
+66ft-88ft

Overall

1493

Males

1440

M18-39

1440

25K→30K

15.5 - 18.6 mi

Top 6%
Γ—9
+181ft-148ft

Overall

1754

Males

1684

M18-39

1684

30K→20M

18.6 - 20.0 mi

Top 5%
Γ—5
+64ft-50ft

Overall

1556

Males

1488

M18-39

1488

20M→21M

20.0 - 21.0 mi

Top 7%
Γ—8
+106ft-24ft

Overall

2139

Males

2034

M18-39

2034

21M→35K

21.0 - 21.8 mi

Top 4%
Γ—7
+17ft-86ft

Overall

1179

Males

1134

M18-39

1134

35K→23M

21.8 - 23.0 mi

Top 5%
Γ—5
+23ft-63ft

Overall

1493

Males

1427

M18-39

1427

23M→24M

23.0 - 24.0 mi

Top 6%
Γ—6
+12ft-82ft

Overall

1678

Males

1591

M18-39

1591

24M→40K

24.0 - 24.9 mi

Top 8%
Γ—1
+6ft-20ft

Overall

2397

Males

2206

M18-39

2206

40K→25.2M

24.9 - 25.2 mi

Top 8%
Γ—1
+13ft-16ft

Overall

2387

Males

2180

M18-39

2180

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
Γ—2
+22ft-21ft

Overall

1954

Males

1810

M18-39

1810

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
419
Passed By
534
Net Change
-115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1334
5K β†’ 10K32179-147#1334#1481
10K β†’ 15K3058-28#1481#1509
15K β†’ 20K42420#1509#1509
20K β†’ HALF614-8#1509#1517
HALF β†’ 25K4834+14#1517#1503
25K β†’ 30K5768-11#1503#1514
30K β†’ 20M4029+11#1514#1503
20M β†’ 21M1927-8#1503#1511
21M β†’ 35K274+23#1511#1488
35K β†’ 23M4215+27#1488#1461
23M β†’ 24M2915+14#1461#1447
24M β†’ 40K1423-9#1447#1456
40K β†’ 25.2M1114-3#1456#1459
25.2M β†’ FINISH2212+10#1459#1449
TOTALS419534-115
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing