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BOSTON MARATHON 2026

Nick Iacobucci

Bib: 28450•M

MA

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
29:31
3.11 mi
Rank: #24484
Start → 5K
29:31 | 9:31/mi
10K
57:04
6.21 mi
Rank: #23489 (+995)
5K → 10K
27:33 | 8:53/mi
15K
1:25:02
9.32 mi
Rank: #23241 (+248)
10K → 15K
27:58 | 9:01/mi
20K
1:55:28
12.43 mi
Rank: #23677
15K → 20K
30:26 | 9:48/mi
HALF
2:02:26
13.11 mi
Rank: #23818
20K → HALF
6:58 | 10:14/mi
25K
2:28:16
15.53 mi
Rank: #24231
HALF → 25K
25:50 | 10:40/mi
30K
3:04:26
18.64 mi
Rank: #24735
25K → 30K
36:10 | 11:39/mi
20M
3:20:33
20.00 mi
Rank: #24879
30K → 20M
16:07 | 11:52/mi
21M
3:32:37
21.00 mi
Rank: #24882
20M → 21M
12:04 | 12:04/mi
35K
3:41:04
21.75 mi
Rank: #24932
21M → 35K
8:27 | 11:18/mi
23M
3:58:13
23.00 mi
Rank: #25250
35K → 23M
17:09 | 13:43/mi
24M
4:10:16
24.00 mi
Rank: #25345
23M → 24M
12:03 | 12:03/mi
40K
4:20:59
24.85 mi
Rank: #25414
24M → 40K
10:43 | 12:33/mi
25.2M
4:24:46
25.20 mi
Rank: #25358
40K → 25.2M
3:47 | 10:59/mi
FINISH
4:35:09
26.22 mi
Rank: #25334
25.2M → FINISH
10:23 | 10:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:02:26
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:32:43
Pace11:39 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0529:319:3129:31
9:31
-
10K
6.21 mi12:19:3857:049:1227:33
8:53
-0:38
15K
9.32 mi12:47:361:25:029:0827:58
9:01
+0:08
20K
12.43 mi13:18:021:55:289:1830:26
9:48
+0:47
HALF
13.11 mi13:25:002:02:269:216:58
10:14
+0:26
25K
15.53 mi13:50:502:28:169:3325:50
10:40
+0:26
30K
18.64 mi14:27:003:04:269:5436:10
11:39
+0:59
20M
20.00 mi14:43:073:20:3310:0216:07
11:52
+0:13
21M
21.00 mi14:55:113:32:3710:0812:04
12:04
+0:12
35K
21.75 mi15:03:383:41:0410:108:27
11:18
-0:46
23M
23.00 mi15:20:473:58:1310:2217:09
13:43
+2:25
24M
24.00 mi15:32:504:10:1610:2612:03
12:03
-1:40
40K
24.85 mi15:43:334:20:5910:3110:43
12:33
+0:30
25.2M
25.20 mi15:47:204:24:4610:313:47
10:59
-1:34
FINISH
26.22 mi15:57:434:35:0910:3110:23
10:12
-0:47

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

8:53 /mi

Average Pace

10:30 /mi

Slowest Pace

13:43 /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

2:12:49

48% of race

Time at Steady Pace

38:04

14% of race

Time at Slower Pace

1:44:16

38% of race

Average Pace: 10:30 /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 mi11:52:0529:319:3129:31
9:31
#24484
10K
6.21 mi12:19:3857:049:1227:33
8:53
#23489
15K
9.32 mi12:47:361:25:029:0827:58
9:01
#23241
20K
12.43 mi13:18:021:55:289:1830:26
9:48
#23677
HALF
13.11 mi13:25:002:02:269:216:58
10:14
#23818
25K
15.53 mi13:50:502:28:169:3325:50
10:40
#24231
30K
18.64 mi14:27:003:04:269:5436:10
11:39
#24735
20M
20.00 mi14:43:073:20:3310:0216:07
11:52
#24879
21M
21.00 mi14:55:113:32:3710:0812:04
12:04
#24882
35K
21.75 mi15:03:383:41:0410:108:27
11:18
#24932
23M
23.00 mi15:20:473:58:1310:2217:09
13:43
#25250
24M
24.00 mi15:32:504:10:1610:2612:03
12:03
#25345
40K
24.85 mi15:43:334:20:5910:3110:43
12:33
#25414
25.2M
25.20 mi15:47:204:24:4610:313:47
10:59
#25358
FINISH
26.22 mi15:57:434:35:0910:3110:23
10:12
#25334
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 mi24484144661446622704(Top 78%)13638(Top 83%)13638(Top 238%)
10K6.21 mi3.10 mi23489+99513991+47513991+47522251(Top 77%)13377(Top 82%)13377(Top 234%)
15K9.32 mi3.11 mi23241+24813874+11713874+11722704(Top 78%)13638(Top 83%)13638(Top 238%)
20K12.43 mi3.11 mi23677-43614086-21214086-21224541(Top 85%)14481(Top 89%)14481(Top 253%)
HALF13.11 mi0.68 mi23818-14114157-7114157-7126106(Top 90%)15184(Top 93%)15184(Top 265%)
25K15.53 mi2.42 mi24231-41314344-18714344-18725754(Top 89%)15006(Top 92%)15006(Top 262%)
30K18.64 mi3.11 mi24735-50414564-22014564-22026308(Top 91%)15143(Top 93%)15143(Top 265%)
20M20.00 mi1.36 mi24879-14414604-4014604-4026231(Top 90%)15029(Top 92%)15029(Top 263%)
21M21.00 mi1.00 mi24882-314590+1414590+1425163(Top 87%)14485(Top 89%)14485(Top 253%)
35K21.75 mi0.75 mi24932-5014611-2114611-2125738(Top 89%)14743(Top 90%)14743(Top 258%)
23M23.00 mi1.25 mi25250-31814737-12614737-12627938(Top 96%)15794(Top 97%)15794(Top 276%)
24M24.00 mi1.00 mi25345-9514767-3014767-3026673(Top 92%)15122(Top 93%)15122(Top 264%)
40K24.85 mi0.85 mi25414-6914779-1214779-1226567(Top 92%)15042(Top 92%)15042(Top 263%)
25.2M25.20 mi0.35 mi25358+5614753+2614753+2622301(Top 77%)12995(Top 80%)12995(Top 227%)
FINISH26.22 mi1.02 mi25334+2414733+2014733+2024341(Top 84%)13962(Top 85%)13962(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22704

Males

13638

M18-39

13638

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22251

Males

13377

M18-39

13377

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22704

Males

13638

M18-39

13638

15K→20K

9.3 - 12.4 mi

Top 85%
×5
+106ft-86ft

Overall

24541

Males

14481

M18-39

14481

20K→HALF

12.4 - 13.1 mi

Top 90%
×2
+19ft-37ft

Overall

26106

Males

15184

M18-39

15184

HALF→25K

13.1 - 15.5 mi

Top 89%
×4
+66ft-88ft

Overall

25754

Males

15006

M18-39

15006

25K→30K

15.5 - 18.6 mi

Top 91%
×9
+181ft-148ft

Overall

26308

Males

15143

M18-39

15143

30K→20M

18.6 - 20.0 mi

Top 90%
×5
+64ft-50ft

Overall

26231

Males

15029

M18-39

15029

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25163

Males

14485

M18-39

14485

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25738

Males

14743

M18-39

14743

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27938

Males

15794

M18-39

15794

23M→24M

23.0 - 24.0 mi

Top 92%
×6
+12ft-82ft

Overall

26673

Males

15122

M18-39

15122

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26567

Males

15042

M18-39

15042

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22301

Males

12995

M18-39

12995

25.2M→FINISH

25.2 - 26.2 mi

Top 84%
×2
+22ft-21ft

Overall

24341

Males

13962

M18-39

13962

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 2 hours ago. This usually takes 10-20 minutes. Please check back shortly.

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