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BOSTON MARATHON 2023

Wihan Swanepoel

Bib: 5031•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 11%
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
6:35/mi
20:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:34/mi
40:51
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:01:15
↑ 67↓ 78
20K· 12.43 mi
6:34/mi
1:21:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:25/mi
1:26:02
↑ 19↓ 370.5%
25K· 15.53 mi
6:34/mi
1:41:58
↑ 66↓ 880.2%
30K· 18.64 mi
6:44/mi
2:02:53
↑ 181↓ 1480.2%
20M
6:36/mi
2:11:51
↑ 64↓ 500.2%
21M
6:50/mi
2:18:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:22/mi
2:23:27
↑ 17↓ 861.7%
23M
6:20/mi
2:31:23
↑ 23↓ 630.6%
24M
5:59/mi
2:37:22
↓ 821.3%
40K· 24.85 mi
6:05/mi
2:42:34
↓ 200.3%
25.2M
6:37/mi
2:44:51
↑ 13↓ 160.2%
Finish· 26.22 mi
5:58/mi
2:50:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:54
Pace6:29 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0020:286:3520:28
6:35
-
10K
6.21 mi10:43:2340:516:3420:23
6:34
-0:01
15K
9.32 mi11:03:471:01:156:3420:24
6:34
0:00
20K
12.43 mi11:24:111:21:396:3420:24
6:34
0:00
Half
13.11 mi11:28:341:26:026:344:23
6:25
-0:09
25K
15.53 mi11:44:301:41:586:3415:56
6:34
+0:09
30K
18.64 mi12:05:252:02:536:3620:55
6:44
+0:10
20M
20.00 mi12:14:232:11:516:368:58
6:36
-0:08
21M
21.00 mi12:21:132:18:416:366:50
6:50
+0:14
35K
21.75 mi12:25:592:23:276:364:46
6:22
-0:28
23M
23.00 mi12:33:552:31:236:357:56
6:20
-0:02
24M
24.00 mi12:39:542:37:226:335:59
5:59
-0:21
40K
24.85 mi12:45:062:42:346:325:12
6:05
+0:06
25.2M
25.20 mi12:47:232:44:516:332:17
6:37
+0:32
Finish
26.22 mi12:53:282:50:566:316:05
5:58
-0:39

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

5:58 /mi

Average Pace

6:31 /mi

Slowest Pace

6:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:21

20% of race

Time at Steady Pace

2:16:35

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:23:0020:286:3520:28
6:35
#2765
10K
6.21 mi10:43:2340:516:3420:23
6:34
#2961
15K
9.32 mi11:03:471:01:156:3420:24
6:34
#2977
20K
12.43 mi11:24:111:21:396:3420:24
6:34
#2867
Half
13.11 mi11:28:341:26:026:344:23
6:25
#2821
25K
15.53 mi11:44:301:41:586:3415:56
6:34
#2765
30K
18.64 mi12:05:252:02:536:3620:55
6:44
#2702
20M
20.00 mi12:14:232:11:516:368:58
6:36
#2602
21M
21.00 mi12:21:132:18:416:366:50
6:50
#2504
35K
21.75 mi12:25:592:23:276:364:46
6:22
#2457
23M
23.00 mi12:33:552:31:236:357:56
6:20
#2326
24M
24.00 mi12:39:542:37:226:335:59
5:59
#2191
40K
24.85 mi12:45:062:42:346:325:12
6:05
#2081
25.2M
25.20 mi12:47:232:44:516:332:17
6:37
#2026
Finish
26.22 mi12:53:282:50:566:316:05
5:58
#1926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2765263026303017(Top 11%)2876(Top 19%)2876(Top 128%)
10K6.21 mi3.10 mi2961-1962824-1942824-1943189(Top 12%)3038(Top 20%)3038(Top 136%)
15K9.32 mi3.11 mi2977-162839-152839-153017(Top 11%)2876(Top 19%)2876(Top 128%)
20K12.43 mi3.11 mi2867+1102737+1022737+1022634(Top 10%)2518(Top 17%)2518(Top 112%)
Half13.11 mi0.68 mi2821+462697+402697+402316(Top 9%)2221(Top 15%)2221(Top 99%)
25K15.53 mi2.42 mi2765+562642+552642+552534(Top 10%)2424(Top 16%)2424(Top 108%)
30K18.64 mi3.11 mi2702+632582+602582+602555(Top 10%)2429(Top 16%)2429(Top 108%)
20M20.00 mi1.36 mi2602+1002485+972485+971846(Top 7%)1759(Top 12%)1759(Top 78%)
21M21.00 mi1.00 mi2504+982397+882397+881521(Top 6%)1450(Top 10%)1450(Top 65%)
35K21.75 mi0.75 mi2457+472353+442353+441849(Top 7%)1755(Top 12%)1755(Top 78%)
23M23.00 mi1.25 mi2326+1312228+1252228+125942(Top 4%)897(Top 6%)897(Top 40%)
24M24.00 mi1.00 mi2191+1352102+1262102+126526(Top 2%)497(Top 3%)497(Top 22%)
40K24.85 mi0.85 mi2081+1101995+1071995+107466(Top 2%)439(Top 3%)439(Top 20%)
25.2M25.20 mi0.35 mi2026+551942+531942+53743(Top 3%)708(Top 5%)708(Top 32%)
Finish26.22 mi1.02 mi1926+1001843+991843+99665(Top 2%)634(Top 4%)634(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3017

Males

2876

M40-44

2876

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3189

Males

3038

M40-44

3038

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3017

Males

2876

M40-44

2876

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2634

Males

2518

M40-44

2518

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2316

Males

2221

M40-44

2221

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2534

Males

2424

M40-44

2424

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2555

Males

2429

M40-44

2429

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

1846

Males

1759

M40-44

1759

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1521

Males

1450

M40-44

1450

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1849

Males

1755

M40-44

1755

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

942

Males

897

M40-44

897

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

526

Males

497

M40-44

497

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

466

Males

439

M40-44

439

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

743

Males

708

M40-44

708

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

665

Males

634

M40-44

634

Passing Analysis

Category:
Athletes Passed
1335
Passed By
496
Net Change
+839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2765
5K → 10K88284-196#2765#2961
10K → 15K86102-16#2961#2977
15K → 20K14131+110#2977#2867
20K → Half471+46#2867#2821
Half → 25K8327+56#2821#2765
25K → 30K10340+63#2765#2702
30K → 20M1044+100#2702#2602
20M → 21M1013+98#2602#2504
21M → 35K492+47#2504#2457
35K → 23M1310+131#2457#2326
23M → 24M1361+135#2326#2191
24M → 40K1100+110#2191#2081
40K → 25.2M561+55#2081#2026
25.2M → Finish1000+100#2026#1926
TOTALS1335496+839
📊

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