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BOSTON MARATHON 2024

James Niederjohn

Bib: 13510•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M50-54)
#0 / 1935
Top 47%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:26
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:32:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:37:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:35/mi
1:55:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:21:04
↑ 181↓ 1480.2%
20M
8:26/mi
2:32:32
↑ 64↓ 500.2%
21M
9:43/mi
2:42:15
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
2:50:06
↑ 17↓ 861.7%
23M
10:16/mi
3:02:57
↑ 23↓ 630.6%
24M
10:12/mi
3:13:09
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:21:49
↓ 200.3%
25.2M
11:21/mi
3:25:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
3:35:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:37
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3023:147:2923:14
7:29
-
10K
6.21 mi11:17:3946:237:2823:09
7:27
-0:02
15K
9.32 mi11:40:421:09:267:2723:03
7:25
-0:02
20K
12.43 mi12:03:541:32:387:2723:12
7:28
+0:03
Half
13.11 mi12:08:531:37:377:274:59
7:18
-0:10
25K
15.53 mi12:27:151:55:597:2818:22
7:35
+0:17
30K
18.64 mi12:52:202:21:047:3425:05
8:04
+0:29
20M
20.00 mi13:03:482:32:327:3811:28
8:26
+0:22
21M
21.00 mi13:13:312:42:157:449:43
9:43
+1:17
35K
21.75 mi13:21:222:50:067:497:51
10:30
+0:47
23M
23.00 mi13:34:133:02:577:5712:51
10:16
-0:14
24M
24.00 mi13:44:253:13:098:0310:12
10:12
-0:04
40K
24.85 mi13:53:053:21:498:078:40
10:08
-0:04
25.2M
25.20 mi13:57:003:25:448:103:55
11:21
+1:13
Finish
26.22 mi14:06:333:35:178:139:33
9:22
-1:59

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

7:18 /mi

Average Pace

8:13 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:59

54% of race

Time at Steady Pace

36:33

17% of race

Time at Slower Pace

1:02:45

29% of race

Average Pace: 8:13 /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 mi10:54:3023:147:2923:14
7:29
#10558
10K
6.21 mi11:17:3946:237:2823:09
7:27
#10169
15K
9.32 mi11:40:421:09:267:2723:03
7:25
#9735
20K
12.43 mi12:03:541:32:387:2723:12
7:28
#9272
Half
13.11 mi12:08:531:37:377:274:59
7:18
#9176
25K
15.53 mi12:27:151:55:597:2818:22
7:35
#8839
30K
18.64 mi12:52:202:21:047:3425:05
8:04
#8603
20M
20.00 mi13:03:482:32:327:3811:28
8:26
#8603
21M
21.00 mi13:13:312:42:157:449:43
9:43
#8735
35K
21.75 mi13:21:222:50:067:497:51
10:30
#9233
23M
23.00 mi13:34:133:02:577:5712:51
10:16
#9805
24M
24.00 mi13:44:253:13:098:0310:12
10:12
#10216
40K
24.85 mi13:53:053:21:498:078:40
10:08
#10470
25.2M
25.20 mi13:57:003:25:448:103:55
11:21
#10608
Finish
26.22 mi14:06:333:35:178:139:33
9:22
#10833
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10558821682169023(Top 35%)7299(Top 50%)7299(Top 377%)
10K6.21 mi3.10 mi10169+3898006+2108006+2109849(Top 39%)7798(Top 53%)7798(Top 403%)
15K9.32 mi3.11 mi9735+4347745+2617745+2619023(Top 35%)7299(Top 50%)7299(Top 377%)
20K12.43 mi3.11 mi9272+4637465+2807465+2808139(Top 32%)6680(Top 46%)6680(Top 345%)
Half13.11 mi0.68 mi9176+967403+627403+627705(Top 30%)6451(Top 44%)6451(Top 333%)
25K15.53 mi2.42 mi8839+3377181+2227181+2227478(Top 29%)6110(Top 42%)6110(Top 316%)
30K18.64 mi3.11 mi8603+2366951+2306951+2308300(Top 32%)6390(Top 44%)6390(Top 330%)
20M20.00 mi1.36 mi86036892+596892+599100(Top 36%)6583(Top 45%)6583(Top 340%)
21M21.00 mi1.00 mi8735-1326901-96901-911757(Top 46%)7594(Top 52%)7594(Top 392%)
35K21.75 mi0.75 mi9233-4987127-2267127-22618532(Top 73%)10881(Top 75%)10881(Top 562%)
23M23.00 mi1.25 mi9805-5727347-2207347-22016304(Top 64%)9717(Top 67%)9717(Top 502%)
24M24.00 mi1.00 mi10216-4117513-1667513-16616940(Top 66%)9975(Top 68%)9975(Top 516%)
40K24.85 mi0.85 mi10470-2547584-717584-7115466(Top 61%)9179(Top 63%)9179(Top 474%)
25.2M25.20 mi0.35 mi10608-1387629-457629-4515587(Top 61%)9214(Top 63%)9214(Top 476%)
Finish26.22 mi1.02 mi10833-2257696-677696-6715912(Top 62%)9402(Top 64%)9402(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9023

Males

7299

M50-54

7299

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

9849

Males

7798

M50-54

7798

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9023

Males

7299

M50-54

7299

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8139

Males

6680

M50-54

6680

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7705

Males

6451

M50-54

6451

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7478

Males

6110

M50-54

6110

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8300

Males

6390

M50-54

6390

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9100

Males

6583

M50-54

6583

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11757

Males

7594

M50-54

7594

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18532

Males

10881

M50-54

10881

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16304

Males

9717

M50-54

9717

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16940

Males

9975

M50-54

9975

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15466

Males

9179

M50-54

9179

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15587

Males

9214

M50-54

9214

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

15912

Males

9402

M50-54

9402

Passing Analysis

Category:
Athletes Passed
2713*
Passed By
2986
Net Change
-275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10558
5K → 10K497*108+389#10558#10169
10K → 15K469*35+434#10169#9735
15K → 20K48623+463#9735#9272
20K → Half960+96#9272#9176
Half → 25K37235+337#9176#8839
25K → 30K387151+236#8839#8603
30K → 20M1451450#8603#8603
20M → 21M77209-132#8603#8735
21M → 35K12510-498#8735#9233
35K → 23M47618-572#9233#9805
23M → 24M37447-411#9805#10216
24M → 40K33*287-254#10216#10470
40K → 25.2M15153-138#10470#10608
25.2M → Finish40265-225#10608#10833
TOTALS2713*2986-275

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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