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BOSTON MARATHON 2024

Rob Buwalda

Bib: 13931•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Top 45%
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
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:31
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:32:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
1:59:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:07/mi
2:30:26
↑ 181↓ 1480.2%
20M
10:21/mi
2:44:30
↑ 64↓ 500.2%
21M
10:46/mi
2:55:16
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:02:16
↑ 17↓ 861.7%
23M
10:11/mi
3:15:01
↑ 23↓ 630.6%
24M
9:32/mi
3:24:33
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:32:55
↓ 200.3%
25.2M
10:03/mi
3:36:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:44:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time2:06:25
Pace9:39 /mi
📊Positive Split: 29.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0123:097:2723:09
7:27
-
10K
6.21 mi11:16:0946:177:2723:08
7:27
0:00
15K
9.32 mi11:39:231:09:317:2823:14
7:29
+0:02
20K
12.43 mi12:02:451:32:537:2823:22
7:31
+0:02
Half
13.11 mi12:07:531:38:017:295:08
7:31
0:00
25K
15.53 mi12:28:531:59:017:4021:00
8:40
+1:09
30K
18.64 mi13:00:182:30:268:0431:25
10:07
+1:27
20M
20.00 mi13:14:222:44:308:1314:04
10:21
+0:14
21M
21.00 mi13:25:082:55:168:2110:46
10:46
+0:25
35K
21.75 mi13:32:083:02:168:237:00
9:21
-1:25
23M
23.00 mi13:44:533:15:018:2912:45
10:11
+0:50
24M
24.00 mi13:54:253:24:338:319:32
9:32
-0:39
40K
24.85 mi14:02:473:32:558:348:22
9:47
+0:15
25.2M
25.20 mi14:06:153:36:238:353:28
10:03
+0:16
Finish
26.22 mi14:14:183:44:268:348:03
7:54
-2:09

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

7:27 /mi

Average Pace

8:34 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:04

57% of race

Time at Steady Pace

24:54

11% of race

Time at Slower Pace

1:12:28

32% of race

Average Pace: 8:34 /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 mi10:53:0123:097:2723:09
7:27
#10347
10K
6.21 mi11:16:0946:177:2723:08
7:27
#10029
15K
9.32 mi11:39:231:09:317:2823:14
7:29
#9800
20K
12.43 mi12:02:451:32:537:2823:22
7:31
#9422
Half
13.11 mi12:07:531:38:017:295:08
7:31
#9403
25K
15.53 mi12:28:531:59:017:4021:00
8:40
#10233
30K
18.64 mi13:00:182:30:268:0431:25
10:07
#12141
20M
20.00 mi13:14:222:44:308:1314:04
10:21
#12657
21M
21.00 mi13:25:082:55:168:2110:46
10:46
#12863
35K
21.75 mi13:32:083:02:168:237:00
9:21
#12936
23M
23.00 mi13:44:533:15:018:2912:45
10:11
#13209
24M
24.00 mi13:54:253:24:338:319:32
9:32
#13272
40K
24.85 mi14:02:473:32:558:348:22
9:47
#13297
25.2M
25.20 mi14:06:153:36:238:353:28
10:03
#13255
Finish
26.22 mi14:14:183:44:268:348:03
7:54
#13014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10347812881289497(Top 37%)7558(Top 52%)7558(Top 494%)
10K6.21 mi3.10 mi10029+3187950+1787950+1789792(Top 38%)7768(Top 53%)7768(Top 508%)
15K9.32 mi3.11 mi9800+2297786+1647786+1649497(Top 37%)7558(Top 52%)7558(Top 494%)
20K12.43 mi3.11 mi9422+3787547+2397547+2398525(Top 33%)6912(Top 47%)6912(Top 452%)
Half13.11 mi0.68 mi9403+197536+117536+119299(Top 36%)7337(Top 50%)7337(Top 480%)
25K15.53 mi2.42 mi10233-8307881-3457881-34513883(Top 54%)9304(Top 64%)9304(Top 609%)
30K18.64 mi3.11 mi12141-19088685-8048685-80417684(Top 69%)10768(Top 74%)10768(Top 704%)
20M20.00 mi1.36 mi12657-5168855-1708855-17017554(Top 69%)10517(Top 72%)10517(Top 688%)
21M21.00 mi1.00 mi12863-2068883-288883-2815661(Top 61%)9482(Top 65%)9482(Top 620%)
35K21.75 mi0.75 mi12936-738873+108873+1014914(Top 58%)9077(Top 62%)9077(Top 594%)
23M23.00 mi1.25 mi13209-2738928-558928-5516049(Top 63%)9590(Top 66%)9590(Top 627%)
24M24.00 mi1.00 mi13272-638910+188910+1814591(Top 57%)8816(Top 60%)8816(Top 577%)
40K24.85 mi0.85 mi13297-258886+248886+2414200(Top 56%)8545(Top 59%)8545(Top 559%)
25.2M25.20 mi0.35 mi13255+428852+348852+3411140(Top 44%)6965(Top 48%)6965(Top 456%)
Finish26.22 mi1.02 mi13014+2418697+1558697+1557921(Top 31%)5376(Top 37%)5376(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9497

Males

7558

M55-59

7558

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

9792

Males

7768

M55-59

7768

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9497

Males

7558

M55-59

7558

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8525

Males

6912

M55-59

6912

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9299

Males

7337

M55-59

7337

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13883

Males

9304

M55-59

9304

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

17684

Males

10768

M55-59

10768

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17554

Males

10517

M55-59

10517

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15661

Males

9482

M55-59

9482

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

14914

Males

9077

M55-59

9077

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16049

Males

9590

M55-59

9590

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14591

Males

8816

M55-59

8816

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14200

Males

8545

M55-59

8545

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11140

Males

6965

M55-59

6965

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7921

Males

5376

M55-59

5376

Passing Analysis

Category:
Athletes Passed
2056*
Passed By
4720
Net Change
-2667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10347
5K → 10K441*123+318#10347#10029
10K → 15K330*101+229#10029#9800
15K → 20K43254+378#9800#9422
20K → Half4930+19#9422#9403
Half → 25K58886-830#9403#10233
25K → 30K321939-1908#10233#12141
30K → 20M41557-516#12141#12657
20M → 21M70276-206#12657#12863
21M → 35K63136-73#12863#12936
35K → 23M70343-273#12936#13209
23M → 24M75138-63#13209#13272
24M → 40K86111-25#13272#13297
40K → 25.2M6321+42#13297#13255
25.2M → Finish2465+241#13255#13014
TOTALS2056*4720-2667

* 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