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BOSTON MARATHON 2024

Samuel Ndungu

Bib: 13010•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Male)
#0 / 14578
Top 49%
Masters (Masters Men)
#0 / 9729
Top 40%
Division (M50-54)
#0 / 1935
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #9255
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
45:44
Rank: #9338 (-83)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:15
Rank: #9570 (-232)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:33:50
Rank: #10028 (-458)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:39:07
Rank: #10073 (-45)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
1:58:34
Rank: #10031 (+42)
Half → 25K
19:27 | 8:01/mi
30K· 18.64 mi
2:24:55
Rank: #10060 (-29)
25K → 30K
26:21 | 8:29/mi
20M
2:36:46
Rank: #10045 (+15)
30K → 20M
11:51 | 8:43/mi
21M
2:46:23
Rank: #10109 (-64)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
2:52:50
Rank: #10132 (-23)
21M → 35K
6:27 | 8:37/mi
23M
3:03:47
Rank: #10060 (+72)
35K → 23M
10:57 | 8:45/mi
24M
3:12:06
Rank: #9938 (+122)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:19:26
Rank: #9880 (+58)
24M → 40K
7:20 | 8:35/mi
25.2M
3:22:43
Rank: #9848 (+32)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:30:58
Rank: #9782 (+66)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:51:51
Pace8:32 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2122:437:1922:43
7:19
-
10K
6.21 mi11:15:2245:447:2223:01
7:25
+0:06
15K
9.32 mi11:38:531:09:157:2623:31
7:34
+0:09
20K
12.43 mi12:03:281:33:507:3324:35
7:55
+0:21
Half
13.11 mi12:08:451:39:077:345:17
7:45
-0:10
25K
15.53 mi12:28:121:58:347:3819:27
8:01
+0:16
30K
18.64 mi12:54:332:24:557:4626:21
8:29
+0:28
20M
20.00 mi13:06:242:36:467:5011:51
8:43
+0:14
21M
21.00 mi13:16:012:46:237:559:37
9:37
+0:54
35K
21.75 mi13:22:282:52:507:576:27
8:37
-1:00
23M
23.00 mi13:33:253:03:477:5910:57
8:45
+0:08
24M
24.00 mi13:41:443:12:068:008:19
8:19
-0:26
40K
24.85 mi13:49:043:19:268:017:20
8:35
+0:16
25.2M
25.20 mi13:52:213:22:438:033:17
9:31
+0:56
Finish
26.22 mi14:00:363:30:588:038:15
8:06
-1:25

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

7:19 /mi

Average Pace

8:03 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:07

47% of race

Time at Steady Pace

1:16:09

36% of race

Time at Slower Pace

35:42

17% of race

Average Pace: 8:03 /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 mi10:52:2122:437:1922:43
7:19
#9255
10K
6.21 mi11:15:2245:447:2223:01
7:25
#9338
15K
9.32 mi11:38:531:09:157:2623:31
7:34
#9570
20K
12.43 mi12:03:281:33:507:3324:35
7:55
#10028
Half
13.11 mi12:08:451:39:077:345:17
7:45
#10073
25K
15.53 mi12:28:121:58:347:3819:27
8:01
#10031
30K
18.64 mi12:54:332:24:557:4626:21
8:29
#10060
20M
20.00 mi13:06:242:36:467:5011:51
8:43
#10045
21M
21.00 mi13:16:012:46:237:559:37
9:37
#10109
35K
21.75 mi13:22:282:52:507:576:27
8:37
#10132
23M
23.00 mi13:33:253:03:477:5910:57
8:45
#10060
24M
24.00 mi13:41:443:12:068:008:19
8:19
#9938
40K
24.85 mi13:49:043:19:268:017:20
8:35
#9880
25.2M
25.20 mi13:52:213:22:438:033:17
9:31
#9848
Finish
26.22 mi14:00:363:30:588:038:15
8:06
#9782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi92557556755610182(Top 40%)7887(Top 54%)7887(Top 408%)
10K6.21 mi3.10 mi9338-837565-97565-99484(Top 37%)7596(Top 52%)7596(Top 393%)
15K9.32 mi3.11 mi9570-2327656-917656-9110182(Top 40%)7887(Top 54%)7887(Top 408%)
20K12.43 mi3.11 mi10028-4587840-1847840-18411205(Top 44%)8260(Top 57%)8260(Top 427%)
Half13.11 mi0.68 mi10073-457850-107850-1010864(Top 43%)8105(Top 56%)8105(Top 419%)
25K15.53 mi2.42 mi10031+427774+767774+7610316(Top 40%)7642(Top 52%)7642(Top 395%)
30K18.64 mi3.11 mi10060-297690+847690+8410554(Top 41%)7565(Top 52%)7565(Top 391%)
20M20.00 mi1.36 mi10045+157621+697621+6910632(Top 42%)7328(Top 50%)7328(Top 379%)
21M21.00 mi1.00 mi10109-647600+217600+2111339(Top 44%)7397(Top 51%)7397(Top 382%)
35K21.75 mi0.75 mi10132-237579+217579+2111383(Top 45%)7390(Top 51%)7390(Top 382%)
23M23.00 mi1.25 mi10060+727479+1007479+1009801(Top 38%)6486(Top 44%)6486(Top 335%)
24M24.00 mi1.00 mi9938+1227373+1067373+1068381(Top 33%)5704(Top 39%)5704(Top 295%)
40K24.85 mi0.85 mi9880+587308+657308+658750(Top 34%)5781(Top 40%)5781(Top 299%)
25.2M25.20 mi0.35 mi9848+327271+377271+378795(Top 34%)5722(Top 39%)5722(Top 296%)
Finish26.22 mi1.02 mi9782+667204+677204+679123(Top 36%)5990(Top 41%)5990(Top 310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10182

Males

7887

M50-54

7887

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9484

Males

7596

M50-54

7596

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10182

Males

7887

M50-54

7887

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11205

Males

8260

M50-54

8260

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

10864

Males

8105

M50-54

8105

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10316

Males

7642

M50-54

7642

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10554

Males

7565

M50-54

7565

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

10632

Males

7328

M50-54

7328

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11339

Males

7397

M50-54

7397

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11383

Males

7390

M50-54

7390

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9801

Males

6486

M50-54

6486

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8381

Males

5704

M50-54

5704

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8750

Males

5781

M50-54

5781

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8795

Males

5722

M50-54

5722

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9123

Males

5990

M50-54

5990

Passing Analysis

Category:
Athletes Passed
1880*
Passed By
2399
Net Change
-527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9255
5K → 10K210293-83#9255#9338
10K → 15K119351-232#9338#9570
15K → 20K107563-458#9570#10028
20K → Half2065-45#10028#10073
Half → 25K219176+42#10073#10031
25K → 30K269297-29#10031#10060
30K → 20M145129+15#10060#10045
20M → 21M113176-64#10045#10109
21M → 35K7193-23#10109#10132
35K → 23M178106+72#10132#10060
23M → 24M148*26+122#10060#9938
24M → 40K11658+58#9938#9880
40K → 25.2M5826+32#9880#9848
25.2M → Finish10740+66#9848#9782
TOTALS1880*2399-527

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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