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BOSTON MARATHON 2023

Marthinus Pretorius

Bib: 3549•M

BC

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0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #1942
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:22
Rank: #1721 (+221)
5K → 10K
19:23 | 6:14/mi
15K· 9.32 mi
58:58
Rank: #1695 (+26)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:18:37
Rank: #1640 (+55)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:50
Rank: #1614 (+26)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:38:17
Rank: #1593 (+21)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
1:58:22
Rank: #1540 (+53)
25K → 30K
20:05 | 6:28/mi
20M
2:07:15
Rank: #1530 (+10)
30K → 20M
8:53 | 6:32/mi
21M
2:14:12
Rank: #1532 (-2)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:18:53
Rank: #1519 (+13)
21M → 35K
4:41 | 6:16/mi
23M
2:27:07
Rank: #1505 (+14)
35K → 23M
8:14 | 6:35/mi
24M
2:33:36
Rank: #1502 (+3)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:39:11
Rank: #1496 (+6)
24M → 40K
5:35 | 6:32/mi
25.2M
2:41:39
Rank: #1506 (-10)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:48:21
Rank: #1525 (-19)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:50
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:25:31
Pace6:31 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1419:596:2619:59
6:26
-
10K
6.21 mi10:40:3739:226:2019:23
6:14
-0:12
15K
9.32 mi11:00:1358:586:2019:36
6:19
+0:05
20K
12.43 mi11:19:521:18:376:2019:39
6:19
0:00
Half
13.11 mi11:24:051:22:506:194:13
6:11
-0:08
25K
15.53 mi11:39:321:38:176:2015:27
6:22
+0:11
30K
18.64 mi11:59:371:58:226:2120:05
6:28
+0:06
20M
20.00 mi12:08:302:07:156:228:53
6:32
+0:04
21M
21.00 mi12:15:272:14:126:236:57
6:57
+0:25
35K
21.75 mi12:20:082:18:536:234:41
6:16
-0:41
23M
23.00 mi12:28:222:27:076:248:14
6:35
+0:19
24M
24.00 mi12:34:512:33:366:246:29
6:29
-0:06
40K
24.85 mi12:40:262:39:116:245:35
6:32
+0:03
25.2M
25.20 mi12:42:542:41:396:252:28
7:09
+0:37
Finish
26.22 mi12:49:362:48:216:266:42
6:34
-0:35

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

6:11 /mi

Average Pace

6:26 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:56

94% of race

Time at Steady Pace

9:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:21:1419:596:2619:59
6:26
#1942
10K
6.21 mi10:40:3739:226:2019:23
6:14
#1721
15K
9.32 mi11:00:1358:586:2019:36
6:19
#1695
20K
12.43 mi11:19:521:18:376:2019:39
6:19
#1640
Half
13.11 mi11:24:051:22:506:194:13
6:11
#1614
25K
15.53 mi11:39:321:38:176:2015:27
6:22
#1593
30K
18.64 mi11:59:371:58:226:2120:05
6:28
#1540
20M
20.00 mi12:08:302:07:156:228:53
6:32
#1530
21M
21.00 mi12:15:272:14:126:236:57
6:57
#1532
35K
21.75 mi12:20:082:18:536:234:41
6:16
#1519
23M
23.00 mi12:28:222:27:076:248:14
6:35
#1505
24M
24.00 mi12:34:512:33:366:246:29
6:29
#1502
40K
24.85 mi12:40:262:39:116:245:35
6:32
#1496
25.2M
25.20 mi12:42:542:41:396:252:28
7:09
#1506
Finish
26.22 mi12:49:362:48:216:266:42
6:34
#1525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1942185318531687(Top 6%)1613(Top 11%)1613(Top 31%)
10K6.21 mi3.10 mi1721+2211644+2091644+2091502(Top 6%)1435(Top 9%)1435(Top 27%)
15K9.32 mi3.11 mi1695+261620+241620+241687(Top 6%)1613(Top 11%)1613(Top 31%)
20K12.43 mi3.11 mi1640+551569+511569+511500(Top 6%)1434(Top 9%)1434(Top 27%)
Half13.11 mi0.68 mi1614+261543+261543+261304(Top 5%)1252(Top 8%)1252(Top 24%)
25K15.53 mi2.42 mi1593+211525+181525+181608(Top 6%)1538(Top 10%)1538(Top 29%)
30K18.64 mi3.11 mi1540+531471+541471+541430(Top 5%)1368(Top 9%)1368(Top 26%)
20M20.00 mi1.36 mi1530+101462+91462+91581(Top 6%)1509(Top 10%)1509(Top 29%)
21M21.00 mi1.00 mi1532-21464-21464-21916(Top 7%)1816(Top 12%)1816(Top 34%)
35K21.75 mi0.75 mi1519+131452+121452+121436(Top 5%)1362(Top 9%)1362(Top 26%)
23M23.00 mi1.25 mi1505+141437+151437+151681(Top 6%)1595(Top 11%)1595(Top 30%)
24M24.00 mi1.00 mi1502+31433+41433+42005(Top 8%)1880(Top 12%)1880(Top 36%)
40K24.85 mi0.85 mi1496+61428+51428+51638(Top 6%)1541(Top 10%)1541(Top 29%)
25.2M25.20 mi0.35 mi1506-101437-91437-92248(Top 8%)2081(Top 14%)2081(Top 39%)
Finish26.22 mi1.02 mi1525-191458-211458-212826(Top 11%)2563(Top 17%)2563(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1687

Males

1613

M18-39

1613

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1502

Males

1435

M18-39

1435

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1687

Males

1613

M18-39

1613

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1500

Males

1434

M18-39

1434

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1304

Males

1252

M18-39

1252

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1608

Males

1538

M18-39

1538

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1430

Males

1368

M18-39

1368

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1581

Males

1509

M18-39

1509

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1916

Males

1816

M18-39

1816

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1436

Males

1362

M18-39

1362

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1681

Males

1595

M18-39

1595

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2005

Males

1880

M18-39

1880

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1638

Males

1541

M18-39

1541

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2248

Males

2081

M18-39

2081

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2826

Males

2563

M18-39

2563

Passing Analysis

Category:
Athletes Passed
730
Passed By
313
Net Change
+417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1942
5K → 10K24726+221#1942#1721
10K → 15K6741+26#1721#1695
15K → 20K7924+55#1695#1640
20K → Half304+26#1640#1614
Half → 25K4827+21#1614#1593
25K → 30K8027+53#1593#1540
30K → 20M3121+10#1540#1530
20M → 21M2325-2#1530#1532
21M → 35K207+13#1532#1519
35K → 23M2814+14#1519#1505
23M → 24M2623+3#1505#1502
24M → 40K3125+6#1502#1496
40K → 25.2M414-10#1496#1506
25.2M → Finish1635-19#1506#1525
TOTALS730313+417
📊

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