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BOSTON MARATHON 2024

Sjaak Haasnoot

Bib: 27483•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
9:45/mi
30:17
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:01:37
↑ 79↓ 1380.4%
15K· 9.32 mi
12:31/mi
1:40:31
↑ 67↓ 78
20K· 12.43 mi
12:45/mi
2:20:08
↑ 106↓ 860.1%
Half· 13.11 mi
11:24/mi
2:27:55
↑ 19↓ 370.5%
25K· 15.53 mi
14:44/mi
3:03:39
↑ 66↓ 880.2%
30K· 18.64 mi
15:05/mi
3:50:30
↑ 181↓ 1480.2%
20M
14:27/mi
4:10:08
↑ 64↓ 500.2%
21M
16:53/mi
4:27:01
↑ 106↓ 241.6%
35K· 21.75 mi
18:41/mi
4:41:00
↑ 17↓ 861.7%
23M
13:16/mi
4:57:37
↑ 23↓ 630.6%
24M
15:32/mi
5:13:09
↓ 821.3%
40K· 24.85 mi
17:28/mi
5:28:05
↓ 200.3%
25.2M
16:32/mi
5:33:47
↑ 13↓ 160.2%
Finish· 26.22 mi
14:09/mi
5:48:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:55
Pace11:17 /mi
2nd Half
Distance13.11 mi
Time3:20:17
Pace15:17 /mi
📊Positive Split: 35.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3330:179:4530:17
9:45
-
10K
6.21 mi12:20:531:01:379:5531:20
10:05
+0:20
15K
9.32 mi12:59:471:40:3110:4738:54
12:31
+2:26
20K
12.43 mi13:39:242:20:0811:1739:37
12:45
+0:14
Half
13.11 mi13:47:112:27:5511:177:47
11:24
-1:21
25K
15.53 mi14:22:553:03:3911:4935:44
14:44
+3:20
30K
18.64 mi15:09:463:50:3012:2246:51
15:05
+0:21
20M
20.00 mi15:29:244:10:0812:3019:38
14:27
-0:38
21M
21.00 mi15:46:174:27:0112:4316:53
16:53
+2:26
35K
21.75 mi16:00:164:41:0012:5513:59
18:41
+1:48
23M
23.00 mi16:16:534:57:3712:5616:37
13:16
-5:25
24M
24.00 mi16:32:255:13:0913:0315:32
15:32
+2:16
40K
24.85 mi16:47:215:28:0513:1214:56
17:28
+1:56
25.2M
25.20 mi16:53:035:33:4713:155:42
16:32
-0:56
Finish
26.22 mi17:07:285:48:1213:1714:25
14:09
-2:23

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

9:45 /mi

Average Pace

13:17 /mi

Slowest Pace

18:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:55

42% of race

Time at Steady Pace

2:28:47

43% of race

Time at Slower Pace

51:30

15% of race

Average Pace: 13:17 /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 mi11:49:3330:179:4530:17
9:45
#22407
10K
6.21 mi12:20:531:01:379:5531:20
10:05
#22592
15K
9.32 mi12:59:471:40:3110:4738:54
12:31
#23981
20K
12.43 mi13:39:242:20:0811:1739:37
12:45
#24249
Half
13.11 mi13:47:112:27:5511:177:47
11:24
#24240
25K
15.53 mi14:22:553:03:3911:4935:44
14:44
#24554
30K
18.64 mi15:09:463:50:3012:2246:51
15:05
#24695
20M
20.00 mi15:29:244:10:0812:3019:38
14:27
#24681
21M
21.00 mi15:46:174:27:0112:4316:53
16:53
#24734
35K
21.75 mi16:00:164:41:0012:5513:59
18:41
#24879
23M
23.00 mi16:16:534:57:3712:5616:37
13:16
#24821
24M
24.00 mi16:32:255:13:0913:0315:32
15:32
#24869
40K
24.85 mi16:47:215:28:0513:1214:56
17:28
#24956
25.2M
25.20 mi16:53:035:33:4713:155:42
16:32
#24961
Finish
26.22 mi17:07:285:48:1213:1714:25
14:09
#24994
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22407132511325125080(Top 98%)14408(Top 99%)14408(Top 717%)
10K6.21 mi3.10 mi22592-18513337-8613337-8622717(Top 89%)13376(Top 92%)13376(Top 666%)
15K9.32 mi3.11 mi23981-138913990-65313990-65325080(Top 98%)14408(Top 99%)14408(Top 717%)
20K12.43 mi3.11 mi24249-26814089-9914089-9924679(Top 97%)14228(Top 98%)14228(Top 708%)
Half13.11 mi0.68 mi24240+914081+814081+824005(Top 94%)13909(Top 95%)13909(Top 692%)
25K15.53 mi2.42 mi24554-31414200-11914200-11925262(Top 99%)14439(Top 99%)14439(Top 719%)
30K18.64 mi3.11 mi24695-14114234-3414234-3424980(Top 98%)14260(Top 98%)14260(Top 710%)
20M20.00 mi1.36 mi24681+1414224+1014224+1024340(Top 95%)13902(Top 95%)13902(Top 692%)
21M21.00 mi1.00 mi24734-5314232-814232-824997(Top 98%)14228(Top 98%)14228(Top 708%)
35K21.75 mi0.75 mi24879-14514289-5714289-5725440(Top 100%)14508(Top 100%)14508(Top 722%)
23M23.00 mi1.25 mi24821+5814254+3514254+3522943(Top 90%)13088(Top 90%)13088(Top 651%)
24M24.00 mi1.00 mi24869-4814272-1814272-1824997(Top 98%)14192(Top 97%)14192(Top 706%)
40K24.85 mi0.85 mi24956-8714305-3314305-3325290(Top 99%)14387(Top 99%)14387(Top 716%)
25.2M25.20 mi0.35 mi24961-514306-114306-124397(Top 95%)13823(Top 95%)13823(Top 688%)
Finish26.22 mi1.02 mi24994-3314315-914315-924988(Top 98%)14168(Top 97%)14168(Top 705%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

25080

Males

14408

M40-44

14408

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

22717

Males

13376

M40-44

13376

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

25080

Males

14408

M40-44

14408

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

24679

Males

14228

M40-44

14228

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24005

Males

13909

M40-44

13909

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

25262

Males

14439

M40-44

14439

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

24980

Males

14260

M40-44

14260

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

24340

Males

13902

M40-44

13902

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

24997

Males

14228

M40-44

14228

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

25440

Males

14508

M40-44

14508

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

22943

Males

13088

M40-44

13088

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

24997

Males

14192

M40-44

14192

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25290

Males

14387

M40-44

14387

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24397

Males

13823

M40-44

13823

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

24988

Males

14168

M40-44

14168

Passing Analysis

Category:
Athletes Passed
391
Passed By
2978
Net Change
-2587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22407
5K → 10K133318-185#22407#22592
10K → 15K31392-1389#22592#23981
15K → 20K27295-268#23981#24249
20K → Half1910+9#24249#24240
Half → 25K14328-314#24240#24554
25K → 30K37178-141#24554#24695
30K → 20M3925+14#24695#24681
20M → 21M2477-53#24681#24734
21M → 35K5150-145#24734#24879
35K → 23M635+58#24879#24821
23M → 24M1260-48#24821#24869
24M → 40K491-87#24869#24956
40K → 25.2M38-5#24956#24961
25.2M → Finish841-33#24961#24994
TOTALS3912978-2587
📊

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