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BOSTON MARATHON 2024

John Nylen

Bib: 27224•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
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
8:17/mi
25:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
49:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:14:11
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:39:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:04:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:32:03
↑ 181↓ 1480.2%
20M
8:51/mi
2:44:05
↑ 64↓ 500.2%
21M
9:29/mi
2:53:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
3:00:17
↑ 17↓ 861.7%
23M
9:18/mi
3:11:56
↑ 23↓ 630.6%
24M
10:09/mi
3:22:05
↓ 821.3%
40K· 24.85 mi
10:55/mi
3:31:25
↓ 200.3%
25.2M
13:41/mi
3:36:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
3:45:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:00:52
Pace9:13 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5325:458:1725:45
8:17
-
10K
6.21 mi12:09:0049:528:0224:07
7:46
-0:31
15K
9.32 mi12:33:191:14:117:5824:19
7:50
+0:04
20K
12.43 mi12:58:431:39:358:0125:24
8:11
+0:21
Half
13.11 mi13:04:061:44:588:005:23
7:53
-0:18
25K
15.53 mi13:24:012:04:538:0219:55
8:13
+0:20
30K
18.64 mi13:51:112:32:038:0927:10
8:45
+0:32
20M
20.00 mi14:03:132:44:058:1212:02
8:51
+0:06
21M
21.00 mi14:12:422:53:348:169:29
9:29
+0:38
35K
21.75 mi14:19:253:00:178:176:43
8:59
-0:30
23M
23.00 mi14:31:043:11:568:2111:39
9:18
+0:19
24M
24.00 mi14:41:133:22:058:2510:09
10:09
+0:51
40K
24.85 mi14:50:333:31:258:309:20
10:55
+0:46
25.2M
25.20 mi14:55:163:36:088:354:43
13:41
+2:46
Finish
26.22 mi15:04:583:45:508:379:42
9:31
-4:10

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

7:46 /mi

Average Pace

8:37 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:49

24% of race

Time at Steady Pace

2:27:49

65% of race

Time at Slower Pace

24:12

11% of race

Average Pace: 8:37 /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 mi11:44:5325:458:1725:45
8:17
#16570
10K
6.21 mi12:09:0049:528:0224:07
7:46
#14586
15K
9.32 mi12:33:191:14:117:5824:19
7:50
#13769
20K
12.43 mi12:58:431:39:358:0125:24
8:11
#13525
Half
13.11 mi13:04:061:44:588:005:23
7:53
#13431
25K
15.53 mi13:24:012:04:538:0219:55
8:13
#13005
30K
18.64 mi13:51:112:32:038:0927:10
8:45
#12699
20M
20.00 mi14:03:132:44:058:1212:02
8:51
#12549
21M
21.00 mi14:12:422:53:348:169:29
9:29
#12391
35K
21.75 mi14:19:253:00:178:176:43
8:59
#12411
23M
23.00 mi14:31:043:11:568:2111:39
9:18
#12380
24M
24.00 mi14:41:133:22:058:2510:09
10:09
#12629
40K
24.85 mi14:50:333:31:258:309:20
10:55
#12947
25.2M
25.20 mi14:55:163:36:088:354:43
13:41
#13182
Finish
26.22 mi15:04:583:45:508:379:42
9:31
#13329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16570106211062112135(Top 47%)8788(Top 60%)8788(Top 437%)
10K6.21 mi3.10 mi14586+19849868+7539868+75312335(Top 48%)8936(Top 61%)8936(Top 445%)
15K9.32 mi3.11 mi13769+8179521+3479521+34712135(Top 47%)8788(Top 60%)8788(Top 437%)
20K12.43 mi3.11 mi13525+2449420+1019420+10112975(Top 51%)9110(Top 62%)9110(Top 453%)
Half13.11 mi0.68 mi13431+949367+539367+5311945(Top 47%)8625(Top 59%)8625(Top 429%)
25K15.53 mi2.42 mi13005+4269164+2039164+20311454(Top 45%)8221(Top 56%)8221(Top 409%)
30K18.64 mi3.11 mi12699+3068939+2258939+22511909(Top 47%)8199(Top 56%)8199(Top 408%)
20M20.00 mi1.36 mi12549+1508808+1318808+13111353(Top 44%)7659(Top 53%)7659(Top 381%)
21M21.00 mi1.00 mi12391+1588681+1278681+12710759(Top 42%)7119(Top 49%)7119(Top 354%)
35K21.75 mi0.75 mi12411-208644+378644+3713181(Top 52%)8250(Top 57%)8250(Top 411%)
23M23.00 mi1.25 mi12380+318569+758569+7512606(Top 49%)7859(Top 54%)7859(Top 391%)
24M24.00 mi1.00 mi12629-2498636-678636-6716796(Top 66%)9912(Top 68%)9912(Top 493%)
40K24.85 mi0.85 mi12947-3188722-868722-8617848(Top 70%)10371(Top 71%)10371(Top 516%)
25.2M25.20 mi0.35 mi13182-2358817-958817-9521017(Top 82%)11972(Top 82%)11972(Top 596%)
Finish26.22 mi1.02 mi13329-1478847-308847-3016589(Top 65%)9741(Top 67%)9741(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12135

Males

8788

M40-44

8788

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12335

Males

8936

M40-44

8936

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12135

Males

8788

M40-44

8788

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

12975

Males

9110

M40-44

9110

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

11945

Males

8625

M40-44

8625

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11454

Males

8221

M40-44

8221

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

11909

Males

8199

M40-44

8199

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11353

Males

7659

M40-44

7659

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10759

Males

7119

M40-44

7119

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13181

Males

8250

M40-44

8250

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12606

Males

7859

M40-44

7859

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16796

Males

9912

M40-44

9912

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17848

Males

10371

M40-44

10371

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21017

Males

11972

M40-44

11972

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16589

Males

9741

M40-44

9741

Passing Analysis

Category:
Athletes Passed
4961
Passed By
1720
Net Change
+3241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16570
5K → 10K19939+1984#16570#14586
10K → 15K82710+817#14586#13769
15K → 20K373129+244#13769#13525
20K → Half1028+94#13525#13431
Half → 25K47549+426#13431#13005
25K → 30K435129+306#13005#12699
30K → 20M19747+150#12699#12549
20M → 21M21052+158#12549#12391
21M → 35K7090-20#12391#12411
35K → 23M148117+31#12411#12380
23M → 24M44293-249#12380#12629
24M → 40K37355-318#12629#12947
40K → 25.2M6241-235#12947#13182
25.2M → Finish44191-147#13182#13329
TOTALS49611720+3241
📊

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