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BOSTON MARATHON 2024

Robert Nijbroek

Bib: 9008•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 33%
Masters (Masters Men)
#0 / 9729
Top 21%
Division (M45-49)
#0 / 2218
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #4826
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:27
Rank: #4316 (+510)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:17
Rank: #4162 (+154)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:23:49
Rank: #4289 (-127)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:28:27
Rank: #4290 (-1)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:28
Rank: #4759 (-469)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:09:50
Rank: #4815 (-56)
25K → 30K
23:22 | 7:31/mi
20M
2:20:49
Rank: #4910 (-95)
30K → 20M
10:59 | 8:05/mi
21M
2:29:50
Rank: #5039 (-129)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:36:03
Rank: #5130 (-91)
21M → 35K
6:13 | 8:19/mi
23M
2:47:02
Rank: #5295 (-165)
35K → 23M
10:59 | 8:46/mi
24M
2:55:10
Rank: #5311 (-16)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:02:50
Rank: #5452 (-141)
24M → 40K
7:40 | 8:58/mi
25.2M
3:06:23
Rank: #5530 (-78)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:14:25
Rank: #5566 (-36)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:27
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3720:496:4220:49
6:42
-
10K
6.21 mi11:07:1541:276:4020:38
6:38
-0:04
15K
9.32 mi11:28:051:02:176:4120:50
6:42
+0:04
20K
12.43 mi11:49:371:23:496:4521:32
6:56
+0:14
Half
13.11 mi11:54:151:28:276:454:38
6:47
-0:09
25K
15.53 mi12:12:161:46:286:5118:01
7:26
+0:39
30K
18.64 mi12:35:382:09:506:5823:22
7:31
+0:05
20M
20.00 mi12:46:372:20:497:0210:59
8:05
+0:34
21M
21.00 mi12:55:382:29:507:089:01
9:01
+0:56
35K
21.75 mi13:01:512:36:037:116:13
8:19
-0:42
23M
23.00 mi13:12:502:47:027:1610:59
8:46
+0:27
24M
24.00 mi13:20:582:55:107:188:08
8:08
-0:38
40K
24.85 mi13:28:383:02:507:217:40
8:58
+0:50
25.2M
25.20 mi13:32:113:06:237:243:33
10:18
+1:20
Finish
26.22 mi13:40:133:14:257:258:02
7:53
-2:25

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

6:38 /mi

Average Pace

7:25 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:27

45% of race

Time at Steady Pace

1:14:45

38% of race

Time at Slower Pace

31:13

16% of race

Average Pace: 7:25 /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 mi10:46:3720:496:4220:49
6:42
#4826
10K
6.21 mi11:07:1541:276:4020:38
6:38
#4316
15K
9.32 mi11:28:051:02:176:4120:50
6:42
#4162
20K
12.43 mi11:49:371:23:496:4521:32
6:56
#4289
Half
13.11 mi11:54:151:28:276:454:38
6:47
#4290
25K
15.53 mi12:12:161:46:286:5118:01
7:26
#4759
30K
18.64 mi12:35:382:09:506:5823:22
7:31
#4815
20M
20.00 mi12:46:372:20:497:0210:59
8:05
#4910
21M
21.00 mi12:55:382:29:507:089:01
9:01
#5039
35K
21.75 mi13:01:512:36:037:116:13
8:19
#5130
23M
23.00 mi13:12:502:47:027:1610:59
8:46
#5295
24M
24.00 mi13:20:582:55:107:188:08
8:08
#5311
40K
24.85 mi13:28:383:02:507:217:40
8:58
#5452
25.2M
25.20 mi13:32:113:06:237:243:33
10:18
#5530
Finish
26.22 mi13:40:133:14:257:258:02
7:53
#5566
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4826448144813983(Top 16%)3750(Top 26%)3750(Top 169%)
10K6.21 mi3.10 mi4316+5104064+4174064+4173913(Top 15%)3688(Top 25%)3688(Top 166%)
15K9.32 mi3.11 mi4162+1543908+1563908+1563983(Top 16%)3750(Top 26%)3750(Top 169%)
20K12.43 mi3.11 mi4289-1274010-1024010-1024837(Top 19%)4436(Top 30%)4436(Top 200%)
Half13.11 mi0.68 mi4290-14009+14009+14471(Top 17%)4137(Top 28%)4137(Top 187%)
25K15.53 mi2.42 mi4759-4694396-3874396-3876574(Top 26%)5555(Top 38%)5555(Top 250%)
30K18.64 mi3.11 mi4815-564413-174413-175194(Top 20%)4488(Top 31%)4488(Top 202%)
20M20.00 mi1.36 mi4910-954477-644477-647208(Top 28%)5555(Top 38%)5555(Top 250%)
21M21.00 mi1.00 mi5039-1294538-614538-618643(Top 34%)6102(Top 42%)6102(Top 275%)
35K21.75 mi0.75 mi5130-914590-524590-529577(Top 37%)6535(Top 45%)6535(Top 295%)
23M23.00 mi1.25 mi5295-1654671-814671-819918(Top 39%)6533(Top 45%)6533(Top 295%)
24M24.00 mi1.00 mi5311-164659+124659+127356(Top 29%)5154(Top 35%)5154(Top 232%)
40K24.85 mi0.85 mi5452-1414731-724731-7210679(Top 42%)6730(Top 46%)6730(Top 303%)
25.2M25.20 mi0.35 mi5530-784770-394770-3911990(Top 47%)7351(Top 50%)7351(Top 331%)
Finish26.22 mi1.02 mi5566-364766+44766+47796(Top 31%)5307(Top 36%)5307(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

3983

Males

3750

M45-49

3750

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3913

Males

3688

M45-49

3688

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

3983

Males

3750

M45-49

3750

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4837

Males

4436

M45-49

4436

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4471

Males

4137

M45-49

4137

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6574

Males

5555

M45-49

5555

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5194

Males

4488

M45-49

4488

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7208

Males

5555

M45-49

5555

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8643

Males

6102

M45-49

6102

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9577

Males

6535

M45-49

6535

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

9918

Males

6533

M45-49

6533

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7356

Males

5154

M45-49

5154

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10679

Males

6730

M45-49

6730

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

11990

Males

7351

M45-49

7351

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7796

Males

5307

M45-49

5307

Passing Analysis

Category:
Athletes Passed
1531
Passed By
2271
Net Change
-740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4826
5K → 10K53626+510#4826#4316
10K → 15K21359+154#4316#4162
15K → 20K120247-127#4162#4289
20K → Half2829-1#4289#4290
Half → 25K62531-469#4290#4759
25K → 30K166222-56#4759#4815
30K → 20M62157-95#4815#4910
20M → 21M64193-129#4910#5039
21M → 35K32123-91#5039#5130
35K → 23M61226-165#5130#5295
23M → 24M6783-16#5295#5311
24M → 40K42183-141#5311#5452
40K → 25.2M2199-78#5452#5530
25.2M → Finish5793-36#5530#5566
TOTALS15312271-740
📊

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