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BOSTON MARATHON 2024

Nathan Blum

Bib: 26302•M

MN

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
10:34/mi
32:50
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:04:28
↑ 79↓ 1380.4%
15K· 9.32 mi
10:05/mi
1:35:49
↑ 67↓ 78
20K· 12.43 mi
9:44/mi
2:06:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:12:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:35:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
3:02:48
↑ 181↓ 1480.2%
20M
9:21/mi
3:15:31
↑ 64↓ 500.2%
21M
8:44/mi
3:24:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:30:28
↑ 17↓ 861.7%
23M
9:40/mi
3:42:34
↑ 23↓ 630.6%
24M
9:10/mi
3:51:44
↓ 821.3%
40K· 24.85 mi
9:17/mi
3:59:40
↓ 200.3%
25.2M
9:52/mi
4:03:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
4:11:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:12:42
Pace10:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:58:58
Pace9:05 /mi
📊Negative Split: 10.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0132:5010:3432:50
10:34
-
10K
6.21 mi12:21:391:04:2810:2231:38
10:11
-0:23
15K
9.32 mi12:53:001:35:4910:1731:21
10:05
-0:06
20K
12.43 mi13:23:152:06:0410:0930:15
9:44
-0:21
Half
13.11 mi13:29:532:12:4210:076:38
9:43
-0:01
25K
15.53 mi13:52:332:35:2210:0022:40
9:21
-0:22
30K
18.64 mi14:19:593:02:489:4827:26
8:50
-0:31
20M
20.00 mi14:32:423:15:319:4712:43
9:21
+0:31
21M
21.00 mi14:41:263:24:159:448:44
8:44
-0:37
35K
21.75 mi14:47:393:30:289:416:13
8:19
-0:25
23M
23.00 mi14:59:453:42:349:4112:06
9:40
+1:21
24M
24.00 mi15:08:553:51:449:399:10
9:10
-0:30
40K
24.85 mi15:16:513:59:409:397:56
9:17
+0:07
25.2M
25.20 mi15:20:154:03:049:393:24
9:52
+0:35
Finish
26.22 mi15:28:514:11:409:368:36
8:26
-1:26

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

8:19 /mi

Average Pace

9:36 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:59

20% of race

Time at Steady Pace

52:29

21% of race

Time at Slower Pace

2:28:12

59% of race

Average Pace: 9:36 /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 mi11:50:0132:5010:3432:50
10:34
#24203
10K
6.21 mi12:21:391:04:2810:2231:38
10:11
#23521
15K
9.32 mi12:53:001:35:4910:1731:21
10:05
#23087
20K
12.43 mi13:23:152:06:0410:0930:15
9:44
#22311
Half
13.11 mi13:29:532:12:4210:076:38
9:43
#22241
25K
15.53 mi13:52:332:35:2210:0022:40
9:21
#21473
30K
18.64 mi14:19:593:02:489:4827:26
8:50
#20240
20M
20.00 mi14:32:423:15:319:4712:43
9:21
#19858
21M
21.00 mi14:41:263:24:159:448:44
8:44
#19332
35K
21.75 mi14:47:393:30:289:416:13
8:19
#19035
23M
23.00 mi14:59:453:42:349:4112:06
9:40
#18742
24M
24.00 mi15:08:553:51:449:399:10
9:10
#18503
40K
24.85 mi15:16:513:59:409:397:56
9:17
#18283
25.2M
25.20 mi15:20:154:03:049:393:24
9:52
#18153
Finish
26.22 mi15:28:514:11:409:368:36
8:26
#17927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24203140791407922117(Top 87%)13134(Top 90%)13134(Top 271%)
10K6.21 mi3.10 mi23521+68213788+29113788+29122942(Top 90%)13489(Top 93%)13489(Top 278%)
15K9.32 mi3.11 mi23087+43413581+20713581+20722117(Top 87%)13134(Top 90%)13134(Top 271%)
20K12.43 mi3.11 mi22311+77613197+38413197+38419872(Top 78%)12093(Top 83%)12093(Top 249%)
Half13.11 mi0.68 mi22241+7013164+3313164+3320679(Top 81%)12386(Top 85%)12386(Top 255%)
25K15.53 mi2.42 mi21473+76812799+36512799+36516970(Top 66%)10678(Top 73%)10678(Top 220%)
30K18.64 mi3.11 mi20240+123312180+61912180+61912355(Top 48%)8413(Top 58%)8413(Top 173%)
20M20.00 mi1.36 mi19858+38211978+20211978+20213897(Top 54%)8808(Top 60%)8808(Top 182%)
21M21.00 mi1.00 mi19332+52611688+29011688+2907306(Top 29%)5438(Top 37%)5438(Top 112%)
35K21.75 mi0.75 mi19035+29711537+15111537+1519636(Top 38%)6594(Top 45%)6594(Top 136%)
23M23.00 mi1.25 mi18742+29311376+16111376+16114199(Top 56%)8653(Top 59%)8653(Top 178%)
24M24.00 mi1.00 mi18503+23911242+13411242+13412941(Top 51%)8019(Top 55%)8019(Top 165%)
40K24.85 mi0.85 mi18283+22011121+12111121+12112151(Top 48%)7527(Top 52%)7527(Top 155%)
25.2M25.20 mi0.35 mi18153+13011042+7911042+7910357(Top 41%)6560(Top 45%)6560(Top 135%)
Finish26.22 mi1.02 mi17927+22610904+13810904+13811186(Top 44%)7101(Top 49%)7101(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22117

Males

13134

M18-39

13134

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22942

Males

13489

M18-39

13489

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22117

Males

13134

M18-39

13134

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

19872

Males

12093

M18-39

12093

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20679

Males

12386

M18-39

12386

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

16970

Males

10678

M18-39

10678

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12355

Males

8413

M18-39

8413

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

13897

Males

8808

M18-39

8808

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7306

Males

5438

M18-39

5438

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9636

Males

6594

M18-39

6594

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14199

Males

8653

M18-39

8653

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

12941

Males

8019

M18-39

8019

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12151

Males

7527

M18-39

7527

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10357

Males

6560

M18-39

6560

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11186

Males

7101

M18-39

7101

Passing Analysis

Category:
Athletes Passed
6309
Passed By
33
Net Change
+6276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24203
5K → 10K69513+682#24203#23521
10K → 15K44612+434#23521#23087
15K → 20K7760+776#23087#22311
20K → Half733+70#22311#22241
Half → 25K7680+768#22241#21473
25K → 30K12330+1233#21473#20240
30K → 20M3831+382#20240#19858
20M → 21M5260+526#19858#19332
21M → 35K2981+297#19332#19035
35K → 23M2952+293#19035#18742
23M → 24M2390+239#18742#18503
24M → 40K2200+220#18503#18283
40K → 25.2M1300+130#18283#18153
25.2M → Finish2271+226#18153#17927
TOTALS630933+6276
📊

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