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BOSTON MARATHON 2023

Teng Lo

Bib: 3660•M

UT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:37
Rank: #21227
Start → 5K
28:37 | 9:13/mi
10K· 6.21 mi
54:50
Rank: #19803 (+1424)
5K → 10K
26:13 | 8:26/mi
15K· 9.32 mi
1:21:02
Rank: #19008 (+795)
10K → 15K
26:12 | 8:26/mi
20K· 12.43 mi
1:47:16
Rank: #18392 (+616)
15K → 20K
26:14 | 8:27/mi
Half· 13.11 mi
1:52:43
Rank: #18199 (+193)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:10:41
Rank: #16813 (+1386)
Half → 25K
17:58 | 7:25/mi
30K· 18.64 mi
2:34:35
Rank: #15419 (+1394)
25K → 30K
23:54 | 7:42/mi
20M
2:46:49
Rank: #15499 (-80)
30K → 20M
12:14 | 9:00/mi
21M
3:00:02
Rank: #16645 (-1146)
20M → 21M
13:13 | 13:13/mi
35K· 21.75 mi
3:06:10
Rank: #16513 (+132)
21M → 35K
6:08 | 8:12/mi
23M
3:16:46
Rank: #16307 (+206)
35K → 23M
10:36 | 8:28/mi
24M
3:24:54
Rank: #16109 (+198)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:31:30
Rank: #15829 (+280)
24M → 40K
6:36 | 7:43/mi
25.2M
3:34:19
Rank: #15695 (+134)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:42:26
Rank: #15548 (+147)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:43
Pace8:36 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:43
Pace8:22 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5328:379:1328:37
9:13
-
10K
6.21 mi11:52:0654:508:4926:13
8:26
-0:47
15K
9.32 mi12:18:181:21:028:4226:12
8:26
0:00
20K
12.43 mi12:44:321:47:168:3826:14
8:27
+0:01
Half
13.11 mi12:49:591:52:438:365:27
7:59
-0:28
25K
15.53 mi13:07:572:10:418:2517:58
7:25
-0:34
30K
18.64 mi13:31:512:34:358:1823:54
7:42
+0:17
20M
20.00 mi13:44:052:46:498:2012:14
9:00
+1:18
21M
21.00 mi13:57:183:00:028:3413:13
13:13
+4:13
35K
21.75 mi14:03:263:06:108:346:08
8:12
-5:01
23M
23.00 mi14:14:023:16:468:3310:36
8:28
+0:16
24M
24.00 mi14:22:103:24:548:328:08
8:08
-0:20
40K
24.85 mi14:28:463:31:308:316:36
7:43
-0:25
25.2M
25.20 mi14:31:353:34:198:302:49
8:10
+0:27
Finish
26.22 mi14:39:423:42:268:298:07
7:58
-0:12

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

7:25 /mi

Average Pace

8:29 /mi

Slowest Pace

13:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:58

8% of race

Time at Steady Pace

2:30:24

68% of race

Time at Slower Pace

54:04

24% of race

Average Pace: 8:29 /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 mi11:25:5328:379:1328:37
9:13
#21227
10K
6.21 mi11:52:0654:508:4926:13
8:26
#19803
15K
9.32 mi12:18:181:21:028:4226:12
8:26
#19008
20K
12.43 mi12:44:321:47:168:3826:14
8:27
#18392
Half
13.11 mi12:49:591:52:438:365:27
7:59
#18199
25K
15.53 mi13:07:572:10:418:2517:58
7:25
#16813
30K
18.64 mi13:31:512:34:358:1823:54
7:42
#15419
20M
20.00 mi13:44:052:46:498:2012:14
9:00
#15499
21M
21.00 mi13:57:183:00:028:3413:13
13:13
#16645
35K
21.75 mi14:03:263:06:108:346:08
8:12
#16513
23M
23.00 mi14:14:023:16:468:3310:36
8:28
#16307
24M
24.00 mi14:22:103:24:548:328:08
8:08
#16109
40K
24.85 mi14:28:463:31:308:316:36
7:43
#15829
25.2M
25.20 mi14:31:353:34:198:302:49
8:10
#15695
Finish
26.22 mi14:39:423:42:268:298:07
7:58
#15548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21227127181271817340(Top 65%)11189(Top 74%)11189(Top 212%)
10K6.21 mi3.10 mi19803+142412127+59112127+59117835(Top 67%)11419(Top 75%)11419(Top 216%)
15K9.32 mi3.11 mi19008+79511848+27911848+27917340(Top 65%)11189(Top 74%)11189(Top 212%)
20K12.43 mi3.11 mi18392+61611623+22511623+22516495(Top 62%)10830(Top 71%)10830(Top 205%)
Half13.11 mi0.68 mi18199+19311544+7911544+7914244(Top 54%)10016(Top 66%)10016(Top 190%)
25K15.53 mi2.42 mi16813+138610948+59610948+5968113(Top 30%)6884(Top 45%)6884(Top 130%)
30K18.64 mi3.11 mi15419+139410372+57610372+5768597(Top 32%)7039(Top 46%)7039(Top 133%)
20M20.00 mi1.36 mi15499-8010392-2010392-2016536(Top 62%)10625(Top 70%)10625(Top 201%)
21M21.00 mi1.00 mi16645-114610838-44610838-44624306(Top 91%)14034(Top 92%)14034(Top 266%)
35K21.75 mi0.75 mi16513+13210766+7210766+7213400(Top 50%)9175(Top 60%)9175(Top 174%)
23M23.00 mi1.25 mi16307+20610668+9810668+9812986(Top 49%)8913(Top 59%)8913(Top 169%)
24M24.00 mi1.00 mi16109+19810564+10410564+10412143(Top 46%)8469(Top 56%)8469(Top 160%)
40K24.85 mi0.85 mi15829+28010428+13610428+1368110(Top 30%)6329(Top 42%)6329(Top 120%)
25.2M25.20 mi0.35 mi15695+13410372+5610372+567522(Top 28%)5922(Top 39%)5922(Top 112%)
Finish26.22 mi1.02 mi15548+14710293+7910293+7911859(Top 45%)8221(Top 54%)8221(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17340

Males

11189

M18-39

11189

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17835

Males

11419

M18-39

11419

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17340

Males

11189

M18-39

11189

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16495

Males

10830

M18-39

10830

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14244

Males

10016

M18-39

10016

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8113

Males

6884

M18-39

6884

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8597

Males

7039

M18-39

7039

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16536

Males

10625

M18-39

10625

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24306

Males

14034

M18-39

14034

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13400

Males

9175

M18-39

9175

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12986

Males

8913

M18-39

8913

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12143

Males

8469

M18-39

8469

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8110

Males

6329

M18-39

6329

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7522

Males

5922

M18-39

5922

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11859

Males

8221

M18-39

8221

Passing Analysis

Category:
Athletes Passed
7024
Passed By
1345
Net Change
+5679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21227
5K → 10K144521+1424#21227#19803
10K → 15K81015+795#19803#19008
15K → 20K6248+616#19008#18392
20K → Half1930+193#18392#18199
Half → 25K13860+1386#18199#16813
25K → 30K13940+1394#16813#15419
30K → 20M52132-80#15419#15499
20M → 21M41150-1146#15499#16645
21M → 35K1375+132#16645#16513
35K → 23M2115+206#16513#16307
23M → 24M2046+198#16307#16109
24M → 40K2800+280#16109#15829
40K → 25.2M1340+134#15829#15695
25.2M → Finish1503+147#15695#15548
TOTALS70241345+5679
📊

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