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BOSTON MARATHON 2024

Brian Nartiff

Bib: 26687•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered 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
11:37/mi
36:07
↑ 97↓ 3451.5%
10K· 6.21 mi
12:05/mi
1:13:41
↑ 79↓ 1380.4%
15K· 9.32 mi
12:23/mi
1:52:09
↑ 67↓ 78
20K· 12.43 mi
13:11/mi
2:33:06
↑ 106↓ 860.1%
Half· 13.11 mi
13:32/mi
2:42:20
↑ 19↓ 370.5%
25K· 15.53 mi
14:04/mi
3:16:27
↑ 66↓ 880.2%
30K· 18.64 mi
14:40/mi
4:02:00
↑ 181↓ 1480.2%
20M
14:41/mi
4:21:57
↑ 64↓ 500.2%
21M
15:18/mi
4:37:15
↑ 106↓ 241.6%
35K· 21.75 mi
13:31/mi
4:47:22
↑ 17↓ 861.7%
23M
14:07/mi
5:05:02
↑ 23↓ 630.6%
24M
13:21/mi
5:18:23
↓ 821.3%
40K· 24.85 mi
13:56/mi
5:30:18
↓ 200.3%
25.2M
15:13/mi
5:35:33
↑ 13↓ 160.2%
Finish· 26.22 mi
13:08/mi
5:48:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:42:20
Pace12:23 /mi
2nd Half
Distance13.11 mi
Time3:06:36
Pace14:14 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4736:0711:3736:07
11:37
-
10K
6.21 mi12:30:211:13:4111:5137:34
12:05
+0:28
15K
9.32 mi13:08:491:52:0912:0238:28
12:23
+0:18
20K
12.43 mi13:49:462:33:0612:1940:57
13:11
+0:48
Half
13.11 mi13:59:002:42:2012:239:14
13:32
+0:21
25K
15.53 mi14:33:073:16:2712:3934:07
14:04
+0:32
30K
18.64 mi15:18:404:02:0012:5945:33
14:40
+0:36
20M
20.00 mi15:38:374:21:5713:0619:57
14:41
+0:01
21M
21.00 mi15:53:554:37:1513:1215:18
15:18
+0:37
35K
21.75 mi16:04:024:47:2213:1310:07
13:31
-1:47
23M
23.00 mi16:21:425:05:0213:1617:40
14:07
+0:36
24M
24.00 mi16:35:035:18:2313:1613:21
13:21
-0:46
40K
24.85 mi16:46:585:30:1813:1711:55
13:56
+0:35
25.2M
25.20 mi16:52:135:35:3313:195:15
15:13
+1:17
Finish
26.22 mi17:05:365:48:5613:1913:23
13:08
-2:05

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

11:37 /mi

Average Pace

13:19 /mi

Slowest Pace

15:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:09

32% of race

Time at Steady Pace

1:38:57

28% of race

Time at Slower Pace

2:17:50

40% of race

Average Pace: 13:18 /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 mi11:52:4736:0711:3736:07
11:37
#25274
10K
6.21 mi12:30:211:13:4111:5137:34
12:05
#25247
15K
9.32 mi13:08:491:52:0912:0238:28
12:23
#25183
20K
12.43 mi13:49:462:33:0612:1940:57
13:11
#25167
Half
13.11 mi13:59:002:42:2012:239:14
13:32
#25196
25K
15.53 mi14:33:073:16:2712:3934:07
14:04
#25193
30K
18.64 mi15:18:404:02:0012:5945:33
14:40
#25163
20M
20.00 mi15:38:374:21:5713:0619:57
14:41
#25154
21M
21.00 mi15:53:554:37:1513:1215:18
15:18
#25122
35K
21.75 mi16:04:024:47:2213:1310:07
13:31
#25110
23M
23.00 mi16:21:425:05:0213:1617:40
14:07
#25078
24M
24.00 mi16:35:035:18:2313:1613:21
13:21
#25041
40K
24.85 mi16:46:585:30:1813:1711:55
13:56
#25016
25.2M
25.20 mi16:52:135:35:3313:195:15
15:13
#25011
Finish
26.22 mi17:05:365:48:5613:1913:23
13:08
#25019
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25274144811448124999(Top 98%)14372(Top 99%)14372(Top 296%)
10K6.21 mi3.10 mi25247+2714472+914472+925157(Top 98%)14445(Top 99%)14445(Top 298%)
15K9.32 mi3.11 mi25183+6414454+1814454+1824999(Top 98%)14372(Top 99%)14372(Top 296%)
20K12.43 mi3.11 mi25167+1614442+1214442+1224999(Top 98%)14355(Top 98%)14355(Top 296%)
Half13.11 mi0.68 mi25196-2914453-1114453-1125327(Top 99%)14472(Top 99%)14472(Top 298%)
25K15.53 mi2.42 mi25193+314444+914444+924963(Top 98%)14307(Top 98%)14307(Top 295%)
30K18.64 mi3.11 mi25163+3014425+1914425+1924703(Top 97%)14137(Top 97%)14137(Top 292%)
20M20.00 mi1.36 mi25154+914412+1314412+1324526(Top 96%)14004(Top 96%)14004(Top 289%)
21M21.00 mi1.00 mi25122+3214397+1514397+1523890(Top 94%)13626(Top 93%)13626(Top 281%)
35K21.75 mi0.75 mi25110+1214391+614391+623850(Top 93%)13582(Top 93%)13582(Top 280%)
23M23.00 mi1.25 mi25078+3214369+2214369+2223896(Top 94%)13606(Top 93%)13606(Top 281%)
24M24.00 mi1.00 mi25041+3714353+1614353+1623528(Top 92%)13330(Top 91%)13330(Top 275%)
40K24.85 mi0.85 mi25016+2514333+2014333+2023559(Top 92%)13325(Top 91%)13325(Top 275%)
25.2M25.20 mi0.35 mi25011+514328+514328+523259(Top 91%)13189(Top 90%)13189(Top 272%)
Finish26.22 mi1.02 mi25019-814330-214330-224458(Top 96%)13840(Top 95%)13840(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

24999

Males

14372

M18-39

14372

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

25157

Males

14445

M18-39

14445

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

24999

Males

14372

M18-39

14372

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

24999

Males

14355

M18-39

14355

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

25327

Males

14472

M18-39

14472

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

24963

Males

14307

M18-39

14307

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

24703

Males

14137

M18-39

14137

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

24526

Males

14004

M18-39

14004

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

23890

Males

13626

M18-39

13626

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23850

Males

13582

M18-39

13582

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

23896

Males

13606

M18-39

13606

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23528

Males

13330

M18-39

13330

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

23559

Males

13325

M18-39

13325

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23259

Males

13189

M18-39

13189

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

24458

Males

13840

M18-39

13840

Passing Analysis

Category:
Athletes Passed
541
Passed By
286
Net Change
+255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25274
5K → 10K7144+27#25274#25247
10K → 15K8622+64#25247#25183
15K → 20K5539+16#25183#25167
20K → Half433-29#25167#25196
Half → 25K3936+3#25196#25193
25K → 30K5929+30#25193#25163
30K → 20M2516+9#25163#25154
20M → 21M375+32#25154#25122
21M → 35K2210+12#25122#25110
35K → 23M4210+32#25110#25078
23M → 24M414+37#25078#25041
24M → 40K327+25#25041#25016
40K → 25.2M116+5#25016#25011
25.2M → Finish1725-8#25011#25019
TOTALS541286+255
📊

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