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BOSTON MARATHON 2026

Christopher Denucci

Bib: 5237•M

OR

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Masters (Masters Men)
#0 / 10617
Top 13%
Age Group (M45-49)
#0 / 2413
Top 16%
Race Day Weather
51°/41°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
20:07
3.11 mi
Rank: #4007
Start → 5K
20:07 | 6:29/mi
10K
40:14
6.21 mi
Rank: #3987 (+20)
5K → 10K
20:07 | 6:29/mi
15K
1:00:50
9.32 mi
Rank: #4392 (-405)
10K → 15K
20:36 | 6:38/mi
20K
1:21:46
12.43 mi
Rank: #4640 (-248)
15K → 20K
20:56 | 6:45/mi
HALF
1:26:16
13.11 mi
Rank: #4664 (-24)
20K → HALF
4:30 | 6:37/mi
25K
1:42:46
15.53 mi
Rank: #4777 (-113)
HALF → 25K
16:30 | 6:49/mi
30K
2:04:46
18.64 mi
Rank: #5012 (-235)
25K → 30K
22:00 | 7:05/mi
20M
2:14:21
20.00 mi
Rank: #5076 (-64)
30K → 20M
9:35 | 7:04/mi
21M
2:21:37
21.00 mi
Rank: #5057 (+19)
20M → 21M
7:16 | 7:16/mi
35K
2:26:38
21.75 mi
Rank: #5035 (+22)
21M → 35K
5:01 | 6:43/mi
23M
2:35:24
23.00 mi
Rank: #5025 (+10)
35K → 23M
8:46 | 7:01/mi
24M
2:42:05
24.00 mi
Rank: #4969 (+56)
23M → 24M
6:41 | 6:41/mi
40K
2:48:01
24.85 mi
Rank: #4935 (+34)
24M → 40K
5:56 | 6:57/mi
25.2M
2:50:31
25.20 mi
Rank: #4891 (+44)
40K → 25.2M
2:30 | 7:15/mi
FINISH
2:57:09
26.22 mi
Rank: #4832 (+59)
25.2M → FINISH
6:38 | 6:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:16
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:30:53
Pace6:56 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5420:076:2920:07
6:29
-
10K
6.21 mi10:44:0140:146:2920:07
6:29
0:00
15K
9.32 mi11:04:371:00:506:3220:36
6:38
+0:09
20K
12.43 mi11:25:331:21:466:3520:56
6:45
+0:07
HALF
13.11 mi11:30:031:26:166:354:30
6:37
-0:08
25K
15.53 mi11:46:331:42:466:3716:30
6:49
+0:12
30K
18.64 mi12:08:332:04:466:4222:00
7:05
+0:16
20M
20.00 mi12:18:082:14:216:449:35
7:04
-0:01
21M
21.00 mi12:25:242:21:376:457:16
7:16
+0:12
35K
21.75 mi12:30:252:26:386:455:01
6:43
-0:33
23M
23.00 mi12:39:112:35:246:468:46
7:01
+0:18
24M
24.00 mi12:45:522:42:056:466:41
6:41
-0:20
40K
24.85 mi12:51:482:48:016:465:56
6:57
+0:16
25.2M
25.20 mi12:54:182:50:316:462:30
7:15
+0:18
FINISH
26.22 mi13:00:562:57:096:466:38
6:31
-0:44

Checkpoint Splits Visualizations

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

📈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

6:29 /mi

Average Pace

6:46 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:47:23

94% of race

Time at Steady Pace

9:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:5420:076:2920:07
6:29
#4007
10K
6.21 mi10:44:0140:146:2920:07
6:29
#3987
15K
9.32 mi11:04:371:00:506:3220:36
6:38
#4392
20K
12.43 mi11:25:331:21:466:3520:56
6:45
#4640
HALF
13.11 mi11:30:031:26:166:354:30
6:37
#4664
25K
15.53 mi11:46:331:42:466:3716:30
6:49
#4777
30K
18.64 mi12:08:332:04:466:4222:00
7:05
#5012
20M
20.00 mi12:18:082:14:216:449:35
7:04
#5076
21M
21.00 mi12:25:242:21:376:457:16
7:16
#5057
35K
21.75 mi12:30:252:26:386:455:01
6:43
#5035
23M
23.00 mi12:39:112:35:246:468:46
7:01
#5025
24M
24.00 mi12:45:522:42:056:466:41
6:41
#4969
40K
24.85 mi12:51:482:48:016:465:56
6:57
#4935
25.2M
25.20 mi12:54:182:50:316:462:30
7:15
#4891
FINISH
26.22 mi13:00:562:57:096:466:38
6:31
#4832
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4007381038105157(Top 18%)4788(Top 29%)4788(Top 198%)
10K6.21 mi3.10 mi3987+203787+233787+234041(Top 14%)3832(Top 23%)3832(Top 159%)
15K9.32 mi3.11 mi4392-4054153-3664153-3665157(Top 18%)4788(Top 29%)4788(Top 198%)
20K12.43 mi3.11 mi4640-2484357-2044357-2045541(Top 19%)5060(Top 31%)5060(Top 210%)
HALF13.11 mi0.68 mi4664-244378-214378-215244(Top 18%)4821(Top 30%)4821(Top 200%)
25K15.53 mi2.42 mi4777-1134475-974475-975810(Top 20%)5221(Top 32%)5221(Top 216%)
30K18.64 mi3.11 mi5012-2354651-1764651-1766510(Top 22%)5653(Top 35%)5653(Top 234%)
20M20.00 mi1.36 mi5076-644697-464697-465912(Top 20%)5177(Top 32%)5177(Top 215%)
21M21.00 mi1.00 mi5057+194673+244673+245044(Top 17%)4428(Top 27%)4428(Top 184%)
35K21.75 mi0.75 mi5035+224651+224651+224963(Top 17%)4390(Top 27%)4390(Top 182%)
23M23.00 mi1.25 mi5025+104630+214630+215467(Top 19%)4725(Top 29%)4725(Top 196%)
24M24.00 mi1.00 mi4969+564567+634567+634322(Top 15%)3819(Top 23%)3819(Top 158%)
40K24.85 mi0.85 mi4935+344519+484519+485119(Top 18%)4363(Top 27%)4363(Top 181%)
25.2M25.20 mi0.35 mi4891+444480+394480+393835(Top 13%)3350(Top 21%)3350(Top 139%)
FINISH26.22 mi1.02 mi4832+594418+624418+624180(Top 14%)3601(Top 22%)3601(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5157

Males

4788

M45-49

4788

5K→10K

3.1 - 6.2 mi

Top 14%
×5
+79ft-138ft

Overall

4041

Males

3832

M45-49

3832

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5157

Males

4788

M45-49

4788

15K→20K

9.3 - 12.4 mi

Top 19%
×5
+106ft-86ft

Overall

5541

Males

5060

M45-49

5060

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5244

Males

4821

M45-49

4821

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5810

Males

5221

M45-49

5221

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6510

Males

5653

M45-49

5653

30K→20M

18.6 - 20.0 mi

Top 20%
×5
+64ft-50ft

Overall

5912

Males

5177

M45-49

5177

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

5044

Males

4428

M45-49

4428

21M→35K

21.0 - 21.8 mi

Top 17%
×7
+17ft-86ft

Overall

4963

Males

4390

M45-49

4390

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5467

Males

4725

M45-49

4725

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4322

Males

3819

M45-49

3819

24M→40K

24.0 - 24.9 mi

Top 18%
×1
+6ft-20ft

Overall

5119

Males

4363

M45-49

4363

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1
+13ft-16ft

Overall

3835

Males

3350

M45-49

3350

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4180

Males

3601

M45-49

3601

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
859
Passed By
1684
Net Change
-825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4007
5K → 10K159139+20#4007#3987
10K → 15K19424-405#3987#4392
15K → 20K41289-248#4392#4640
20K → HALF1539-24#4640#4664
HALF → 25K45158-113#4664#4777
25K → 30K61296-235#4777#5012
30K → 20M36100-64#5012#5076
20M → 21M6849+19#5076#5057
21M → 35K4523+22#5057#5035
35K → 23M7969+10#5035#5025
23M → 24M8529+56#5025#4969
24M → 40K7238+34#4969#4935
40K → 25.2M528+44#4935#4891
25.2M → FINISH8223+59#4891#4832
TOTALS8591684-825

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📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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