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BOSTON MARATHON 2024

Nathanael Tsang

Bib: 3717•M

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Overall
#0 / 25550
Top 7%
Gender (Male)
#0 / 14578
Top 12%
Division (M18-39)
#0 / 4849
Top 27%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:09
Rank: #3216
Start → 5K
20:09 | 6:29/mi
10K· 6.21 mi
40:09
Rank: #2900 (+316)
5K → 10K
20:00 | 6:26/mi
15K· 9.32 mi
1:00:16
Rank: #2739 (+161)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:40
Rank: #2633 (+106)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:25:03
Rank: #2605 (+28)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:03
Rank: #2468 (+137)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:02:20
Rank: #2316 (+152)
25K → 30K
21:17 | 6:51/mi
20M
2:11:40
Rank: #2226 (+90)
30K → 20M
9:20 | 6:52/mi
21M
2:19:02
Rank: #2167 (+59)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:23:58
Rank: #2123 (+44)
21M → 35K
4:56 | 6:36/mi
23M
2:32:31
Rank: #2009 (+114)
35K → 23M
8:33 | 6:50/mi
24M
2:39:10
Rank: #1928 (+81)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:44:56
Rank: #1865 (+63)
24M → 40K
5:46 | 6:45/mi
25.2M
2:47:34
Rank: #1844 (+21)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:54:12
Rank: #1773 (+71)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:03
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:29:09
Pace6:48 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3020:096:2920:09
6:29
-
10K
6.21 mi10:42:3040:096:2820:00
6:26
-0:03
15K
9.32 mi11:02:371:00:166:2820:07
6:28
+0:02
20K
12.43 mi11:23:011:20:406:2920:24
6:34
+0:06
Half
13.11 mi11:27:241:25:036:294:23
6:25
-0:09
25K
15.53 mi11:43:241:41:036:3016:00
6:36
+0:11
30K
18.64 mi12:04:412:02:206:3421:17
6:51
+0:15
20M
20.00 mi12:14:012:11:406:359:20
6:52
+0:01
21M
21.00 mi12:21:232:19:026:377:22
7:22
+0:30
35K
21.75 mi12:26:192:23:586:374:56
6:36
-0:46
23M
23.00 mi12:34:522:32:316:388:33
6:50
+0:14
24M
24.00 mi12:41:312:39:106:386:39
6:39
-0:11
40K
24.85 mi12:47:172:44:566:385:46
6:45
+0:06
25.2M
25.20 mi12:49:552:47:346:392:38
7:38
+0:53
Finish
26.22 mi12:56:332:54:126:396:38
6:31
-1:07

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

6:25 /mi

Average Pace

6:39 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:12

94% of race

Time at Steady Pace

7:22

4% of race

Time at Slower Pace

2:38

2% of race

Average Pace: 6:39 /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 mi10:22:3020:096:2920:09
6:29
#3216
10K
6.21 mi10:42:3040:096:2820:00
6:26
#2900
15K
9.32 mi11:02:371:00:166:2820:07
6:28
#2739
20K
12.43 mi11:23:011:20:406:2920:24
6:34
#2633
Half
13.11 mi11:27:241:25:036:294:23
6:25
#2605
25K
15.53 mi11:43:241:41:036:3016:00
6:36
#2468
30K
18.64 mi12:04:412:02:206:3421:17
6:51
#2316
20M
20.00 mi12:14:012:11:406:359:20
6:52
#2226
21M
21.00 mi12:21:232:19:026:377:22
7:22
#2167
35K
21.75 mi12:26:192:23:586:374:56
6:36
#2123
23M
23.00 mi12:34:522:32:316:388:33
6:50
#2009
24M
24.00 mi12:41:312:39:106:386:39
6:39
#1928
40K
24.85 mi12:47:172:44:566:385:46
6:45
#1865
25.2M
25.20 mi12:49:552:47:346:392:38
7:38
#1844
Finish
26.22 mi12:56:332:54:126:396:38
6:31
#1773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3216306630662573(Top 10%)2467(Top 17%)2467(Top 51%)
10K6.21 mi3.10 mi2900+3162775+2912775+2912609(Top 10%)2502(Top 17%)2502(Top 52%)
15K9.32 mi3.11 mi2739+1612625+1502625+1502573(Top 10%)2467(Top 17%)2467(Top 51%)
20K12.43 mi3.11 mi2633+1062526+992526+992474(Top 10%)2367(Top 16%)2367(Top 49%)
Half13.11 mi0.68 mi2605+282498+282498+282201(Top 9%)2117(Top 15%)2117(Top 44%)
25K15.53 mi2.42 mi2468+1372364+1342364+1342138(Top 8%)2049(Top 14%)2049(Top 42%)
30K18.64 mi3.11 mi2316+1522217+1472217+1472123(Top 8%)2010(Top 14%)2010(Top 41%)
20M20.00 mi1.36 mi2226+902128+892128+891820(Top 7%)1710(Top 12%)1710(Top 35%)
21M21.00 mi1.00 mi2167+592071+572071+572064(Top 8%)1913(Top 13%)1913(Top 39%)
35K21.75 mi0.75 mi2123+442033+382033+381525(Top 6%)1428(Top 10%)1428(Top 29%)
23M23.00 mi1.25 mi2009+1141921+1121921+1121385(Top 5%)1301(Top 9%)1301(Top 27%)
24M24.00 mi1.00 mi1928+811843+781843+781267(Top 5%)1182(Top 8%)1182(Top 24%)
40K24.85 mi0.85 mi1865+631780+631780+631175(Top 5%)1088(Top 7%)1088(Top 22%)
25.2M25.20 mi0.35 mi1844+211759+211759+211730(Top 7%)1546(Top 11%)1546(Top 32%)
Finish26.22 mi1.02 mi1773+711692+671692+671429(Top 6%)1288(Top 9%)1288(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2573

Males

2467

M18-39

2467

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2609

Males

2502

M18-39

2502

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2573

Males

2467

M18-39

2467

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2474

Males

2367

M18-39

2367

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2201

Males

2117

M18-39

2117

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2138

Males

2049

M18-39

2049

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2123

Males

2010

M18-39

2010

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1820

Males

1710

M18-39

1710

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2064

Males

1913

M18-39

1913

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1525

Males

1428

M18-39

1428

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1385

Males

1301

M18-39

1301

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1267

Males

1182

M18-39

1182

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1175

Males

1088

M18-39

1088

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1730

Males

1546

M18-39

1546

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1429

Males

1288

M18-39

1288

Passing Analysis

Category:
Athletes Passed
1716
Passed By
273
Net Change
+1443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3216
5K → 10K34024+316#3216#2900
10K → 15K20342+161#2900#2739
15K → 20K15145+106#2739#2633
20K → Half357+28#2633#2605
Half → 25K16023+137#2605#2468
25K → 30K20048+152#2468#2316
30K → 20M10717+90#2316#2226
20M → 21M8223+59#2226#2167
21M → 35K539+44#2167#2123
35K → 23M1206+114#2123#2009
23M → 24M876+81#2009#1928
24M → 40K685+63#1928#1865
40K → 25.2M298+21#1865#1844
25.2M → Finish8110+71#1844#1773
TOTALS1716273+1443
📊

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