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BOSTON MARATHON 2023

Bart Guns

Bib: 30498•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:39/mi
29:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:00/mi
1:01:04
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:32:26
↑ 67↓ 78
20K· 12.43 mi
10:19/mi
2:04:28
↑ 106↓ 860.1%
Half· 13.11 mi
10:57/mi
2:11:56
↑ 19↓ 370.5%
25K· 15.53 mi
11:23/mi
2:39:31
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:13:32
↑ 181↓ 1480.2%
20M
10:45/mi
3:28:08
↑ 64↓ 500.2%
21M
11:16/mi
3:39:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:46:19
↑ 17↓ 861.7%
23M
9:31/mi
3:58:14
↑ 23↓ 630.6%
24M
9:35/mi
4:07:49
↓ 821.3%
40K· 24.85 mi
9:19/mi
4:15:47
↓ 200.3%
25.2M
10:44/mi
4:19:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:28:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:56
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:17:03
Pace10:27 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5129:599:3929:59
9:39
-
10K
6.21 mi12:19:561:01:049:5031:05
10:00
+0:21
15K
9.32 mi12:51:181:32:269:5531:22
10:06
+0:06
20K
12.43 mi13:23:202:04:2810:0132:02
10:19
+0:13
Half
13.11 mi13:30:482:11:5610:047:28
10:57
+0:38
25K
15.53 mi13:58:232:39:3110:1627:35
11:23
+0:26
30K
18.64 mi14:32:243:13:3210:2334:01
10:57
-0:26
20M
20.00 mi14:47:003:28:0810:2414:36
10:45
-0:12
21M
21.00 mi14:58:163:39:2410:2711:16
11:16
+0:31
35K
21.75 mi15:05:113:46:1910:246:55
9:15
-2:01
23M
23.00 mi15:17:063:58:1410:2111:55
9:31
+0:16
24M
24.00 mi15:26:414:07:4910:209:35
9:35
+0:04
40K
24.85 mi15:34:394:15:4710:177:58
9:19
-0:16
25.2M
25.20 mi15:38:214:19:2910:183:42
10:44
+1:25
Finish
26.22 mi15:47:514:28:5910:169:30
9:19
-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

9:15 /mi

Average Pace

10:16 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:52

28% of race

Time at Steady Pace

1:34:29

35% of race

Time at Slower Pace

1:38:38

37% of race

Average Pace: 10:16 /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 mi11:48:5129:599:3929:59
9:39
#22519
10K
6.21 mi12:19:561:01:049:5031:05
10:00
#23224
15K
9.32 mi12:51:181:32:269:5531:22
10:06
#23415
20K
12.43 mi13:23:202:04:2810:0132:02
10:19
#23440
Half
13.11 mi13:30:482:11:5610:047:28
10:57
#23548
25K
15.53 mi13:58:232:39:3110:1627:35
11:23
#23719
30K
18.64 mi14:32:243:13:3210:2334:01
10:57
#23584
20M
20.00 mi14:47:003:28:0810:2414:36
10:45
#23494
21M
21.00 mi14:58:163:39:2410:2711:16
11:16
#23388
35K
21.75 mi15:05:113:46:1910:246:55
9:15
#23259
23M
23.00 mi15:17:063:58:1410:2111:55
9:31
#23043
24M
24.00 mi15:26:414:07:4910:209:35
9:35
#22909
40K
24.85 mi15:34:394:15:4710:177:58
9:19
#22767
25.2M
25.20 mi15:38:214:19:2910:183:42
10:44
#22724
Finish
26.22 mi15:47:514:28:5910:169:30
9:19
#22653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22519133551335523688(Top 89%)13950(Top 92%)13950(Top 622%)
10K6.21 mi3.10 mi23224-70513714-35913714-35923690(Top 89%)13945(Top 92%)13945(Top 622%)
15K9.32 mi3.11 mi23415-19113830-11613830-11623688(Top 89%)13950(Top 92%)13950(Top 622%)
20K12.43 mi3.11 mi23440-2513846-1613846-1623486(Top 88%)13843(Top 91%)13843(Top 618%)
Half13.11 mi0.68 mi23548-10813893-4713893-4724853(Top 93%)14413(Top 95%)14413(Top 643%)
25K15.53 mi2.42 mi23719-17113951-5813951-5824510(Top 92%)14253(Top 94%)14253(Top 636%)
30K18.64 mi3.11 mi23584+13513874+7713874+7723004(Top 86%)13517(Top 89%)13517(Top 603%)
20M20.00 mi1.36 mi23494+9013818+5613818+5622243(Top 84%)13109(Top 86%)13109(Top 585%)
21M21.00 mi1.00 mi23388+10613764+5413764+5421405(Top 80%)12698(Top 84%)12698(Top 567%)
35K21.75 mi0.75 mi23259+12913693+7113693+7118930(Top 71%)11565(Top 76%)11565(Top 516%)
23M23.00 mi1.25 mi23043+21613574+11913574+11918394(Top 69%)11307(Top 75%)11307(Top 505%)
24M24.00 mi1.00 mi22909+13413500+7413500+7419499(Top 73%)11766(Top 78%)11766(Top 525%)
40K24.85 mi0.85 mi22767+14213428+7213428+7217595(Top 66%)10850(Top 71%)10850(Top 484%)
25.2M25.20 mi0.35 mi22724+4313404+2413404+2419776(Top 74%)11828(Top 78%)11828(Top 528%)
Finish26.22 mi1.02 mi22653+7113366+3813366+3819459(Top 73%)11734(Top 77%)11734(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23688

Males

13950

M40-44

13950

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23690

Males

13945

M40-44

13945

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23688

Males

13950

M40-44

13950

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23486

Males

13843

M40-44

13843

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24853

Males

14413

M40-44

14413

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24510

Males

14253

M40-44

14253

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23004

Males

13517

M40-44

13517

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22243

Males

13109

M40-44

13109

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21405

Males

12698

M40-44

12698

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18930

Males

11565

M40-44

11565

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18394

Males

11307

M40-44

11307

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19499

Males

11766

M40-44

11766

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17595

Males

10850

M40-44

10850

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19776

Males

11828

M40-44

11828

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19459

Males

11734

M40-44

11734

Passing Analysis

Category:
Athletes Passed
1398
Passed By
1532
Net Change
-134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22519
5K → 10K37742-705#22519#23224
10K → 15K78269-191#23224#23415
15K → 20K102127-25#23415#23440
20K → Half7115-108#23440#23548
Half → 25K35206-171#23548#23719
25K → 30K17641+135#23719#23584
30K → 20M10212+90#23584#23494
20M → 21M1104+106#23494#23388
21M → 35K1290+129#23388#23259
35K → 23M2160+216#23259#23043
23M → 24M1373+134#23043#22909
24M → 40K1431+142#22909#22767
40K → 25.2M441+43#22767#22724
25.2M → Finish8211+71#22724#22653
TOTALS13981532-134
📊

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