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BOSTON MARATHON 2023

Thembokwakhe Mlotshwa

Bib: 4445•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #4592
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
41:17
Rank: #3487 (+1105)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:01:53
Rank: #3473 (+14)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:23:01
Rank: #3691 (-218)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:27:38
Rank: #3740 (-49)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:12
Rank: #3852 (-112)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:06:45
Rank: #4314 (-462)
25K → 30K
22:33 | 7:15/mi
20M
2:16:21
Rank: #4300 (+14)
30K → 20M
9:36 | 7:04/mi
21M
2:23:49
Rank: #4285 (+15)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:28:50
Rank: #4248 (+37)
21M → 35K
5:01 | 6:42/mi
23M
2:37:26
Rank: #4157 (+91)
35K → 23M
8:36 | 6:52/mi
24M
2:44:13
Rank: #4106 (+51)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:50:06
Rank: #4061 (+45)
24M → 40K
5:53 | 6:53/mi
25.2M
2:52:41
Rank: #4056 (+5)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:59:44
Rank: #4126 (-70)
25.2M → Finish
7:03 | 6:55/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:38
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4521:066:4721:06
6:47
-
10K
6.21 mi10:42:5641:176:3920:11
6:30
-0:17
15K
9.32 mi11:03:321:01:536:3820:36
6:38
+0:08
20K
12.43 mi11:24:401:23:016:4121:08
6:48
+0:10
Half
13.11 mi11:29:171:27:386:414:37
6:46
-0:02
25K
15.53 mi11:45:511:44:126:4216:34
6:50
+0:04
30K
18.64 mi12:08:242:06:456:4822:33
7:15
+0:25
20M
20.00 mi12:18:002:16:216:499:36
7:04
-0:11
21M
21.00 mi12:25:282:23:496:517:28
7:28
+0:24
35K
21.75 mi12:30:292:28:506:515:01
6:42
-0:46
23M
23.00 mi12:39:052:37:266:518:36
6:52
+0:10
24M
24.00 mi12:45:522:44:136:516:47
6:47
-0:05
40K
24.85 mi12:51:452:50:066:515:53
6:53
+0:06
25.2M
25.20 mi12:54:202:52:416:512:35
7:29
+0:36
Finish
26.22 mi13:01:232:59:446:527:03
6:55
-0:34

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

6:30 /mi

Average Pace

6:52 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:27:08

82% of race

Time at Steady Pace

32:36

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:4521:066:4721:06
6:47
#4592
10K
6.21 mi10:42:5641:176:3920:11
6:30
#3487
15K
9.32 mi11:03:321:01:536:3820:36
6:38
#3473
20K
12.43 mi11:24:401:23:016:4121:08
6:48
#3691
Half
13.11 mi11:29:171:27:386:414:37
6:46
#3740
25K
15.53 mi11:45:511:44:126:4216:34
6:50
#3852
30K
18.64 mi12:08:242:06:456:4822:33
7:15
#4314
20M
20.00 mi12:18:002:16:216:499:36
7:04
#4300
21M
21.00 mi12:25:282:23:496:517:28
7:28
#4285
35K
21.75 mi12:30:292:28:506:515:01
6:42
#4248
23M
23.00 mi12:39:052:37:266:518:36
6:52
#4157
24M
24.00 mi12:45:522:44:136:516:47
6:47
#4106
40K
24.85 mi12:51:452:50:066:515:53
6:53
#4061
25.2M
25.20 mi12:54:202:52:416:512:35
7:29
#4056
Finish
26.22 mi13:01:232:59:446:527:03
6:55
#4126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4592428042803548(Top 13%)3355(Top 22%)3355(Top 150%)
10K6.21 mi3.10 mi3487+11053292+9883292+9882773(Top 10%)2651(Top 17%)2651(Top 118%)
15K9.32 mi3.11 mi3473+143290+23290+23548(Top 13%)3355(Top 22%)3355(Top 150%)
20K12.43 mi3.11 mi3691-2183492-2023492-2024447(Top 17%)4148(Top 27%)4148(Top 185%)
Half13.11 mi0.68 mi3740-493535-433535-434925(Top 18%)4557(Top 30%)4557(Top 203%)
25K15.53 mi2.42 mi3852-1123634-993634-994428(Top 17%)4126(Top 27%)4126(Top 184%)
30K18.64 mi3.11 mi4314-4624042-4084042-4085799(Top 22%)5220(Top 34%)5220(Top 233%)
20M20.00 mi1.36 mi4300+144024+184024+184397(Top 17%)4046(Top 27%)4046(Top 181%)
21M21.00 mi1.00 mi4285+154007+174007+174403(Top 17%)4017(Top 26%)4017(Top 179%)
35K21.75 mi0.75 mi4248+373975+323975+323610(Top 14%)3344(Top 22%)3344(Top 149%)
23M23.00 mi1.25 mi4157+913892+833892+833062(Top 12%)2857(Top 19%)2857(Top 127%)
24M24.00 mi1.00 mi4106+513844+483844+483559(Top 13%)3270(Top 22%)3270(Top 146%)
40K24.85 mi0.85 mi4061+453801+433801+433234(Top 12%)2964(Top 20%)2964(Top 132%)
25.2M25.20 mi0.35 mi4056+53795+63795+63840(Top 14%)3430(Top 23%)3430(Top 153%)
Finish26.22 mi1.02 mi4126-703861-663861-664725(Top 18%)4080(Top 27%)4080(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3548

Males

3355

M40-44

3355

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2773

Males

2651

M40-44

2651

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3548

Males

3355

M40-44

3355

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4447

Males

4148

M40-44

4148

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4925

Males

4557

M40-44

4557

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4428

Males

4126

M40-44

4126

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5799

Males

5220

M40-44

5220

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4397

Males

4046

M40-44

4046

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4403

Males

4017

M40-44

4017

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3610

Males

3344

M40-44

3344

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3062

Males

2857

M40-44

2857

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3559

Males

3270

M40-44

3270

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3234

Males

2964

M40-44

2964

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3840

Males

3430

M40-44

3430

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4725

Males

4080

M40-44

4080

Passing Analysis

Category:
Athletes Passed
1851
Passed By
1385
Net Change
+466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4592
5K → 10K111611+1105#4592#3487
10K → 15K11298+14#3487#3473
15K → 20K33251-218#3473#3691
20K → Half554-49#3691#3740
Half → 25K50162-112#3740#3852
25K → 30K32494-462#3852#4314
30K → 20M6450+14#4314#4300
20M → 21M7863+15#4300#4285
21M → 35K5417+37#4285#4248
35K → 23M10716+91#4248#4157
23M → 24M8130+51#4157#4106
24M → 40K7126+45#4106#4061
40K → 25.2M2621+5#4061#4056
25.2M → Finish2292-70#4056#4126
TOTALS18511385+466
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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