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BOSTON MARATHON 2024

Shizhe Xu

Bib: 3561•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 26%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M40-44)
#0 / 2009
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #1779
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:31
Rank: #1534 (+245)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:58
Rank: #1541 (-7)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:17:59
Rank: #1615 (-74)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:22:15
Rank: #1603 (+12)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:57
Rank: #1844 (-241)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:02:15
Rank: #2292 (-448)
25K → 30K
23:18 | 7:30/mi
20M
2:15:22
Rank: #3231 (-939)
30K → 20M
13:07 | 9:39/mi
21M
2:24:30
Rank: #3595 (-364)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:29:37
Rank: #3519 (+76)
21M → 35K
5:07 | 6:50/mi
23M
2:41:23
Rank: #4011 (-492)
35K → 23M
11:46 | 9:24/mi
24M
2:51:46
Rank: #4578 (-567)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
2:58:14
Rank: #4451 (+127)
24M → 40K
6:28 | 7:34/mi
25.2M
3:01:00
Rank: #4384 (+67)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:08:15
Rank: #4283 (+101)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:15
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:46:00
Pace8:05 /mi
📊Positive Split: 28.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1519:226:1419:22
6:14
-
10K
6.21 mi10:40:2438:316:1219:09
6:10
-0:04
15K
9.32 mi10:59:5157:586:1319:27
6:16
+0:06
20K
12.43 mi11:19:521:17:596:1720:01
6:27
+0:11
Half
13.11 mi11:24:081:22:156:164:16
6:15
-0:12
25K
15.53 mi11:40:501:38:576:2216:42
6:53
+0:38
30K
18.64 mi12:04:082:02:156:3323:18
7:30
+0:37
20M
20.00 mi12:17:152:15:226:4613:07
9:39
+2:09
21M
21.00 mi12:26:232:24:306:539:08
9:08
-0:31
35K
21.75 mi12:31:302:29:376:535:07
6:50
-2:18
23M
23.00 mi12:43:162:41:237:0111:46
9:24
+2:34
24M
24.00 mi12:53:392:51:467:0910:23
10:23
+0:59
40K
24.85 mi13:00:072:58:147:106:28
7:34
-2:49
25.2M
25.20 mi13:02:533:01:007:112:46
8:01
+0:27
Finish
26.22 mi13:10:083:08:157:117:15
7:07
-0:54

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

6:10 /mi

Average Pace

7:11 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:14

33% of race

Time at Steady Pace

1:18:51

42% of race

Time at Slower Pace

47:10

25% of race

Average Pace: 7:11 /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 mi10:21:1519:226:1419:22
6:14
#1779
10K
6.21 mi10:40:2438:316:1219:09
6:10
#1534
15K
9.32 mi10:59:5157:586:1319:27
6:16
#1541
20K
12.43 mi11:19:521:17:596:1720:01
6:27
#1615
Half
13.11 mi11:24:081:22:156:164:16
6:15
#1603
25K
15.53 mi11:40:501:38:576:2216:42
6:53
#1844
30K
18.64 mi12:04:082:02:156:3323:18
7:30
#2292
20M
20.00 mi12:17:152:15:226:4613:07
9:39
#3231
21M
21.00 mi12:26:232:24:306:539:08
9:08
#3595
35K
21.75 mi12:31:302:29:376:535:07
6:50
#3519
23M
23.00 mi12:43:162:41:237:0111:46
9:24
#4011
24M
24.00 mi12:53:392:51:467:0910:23
10:23
#4578
40K
24.85 mi13:00:072:58:147:106:28
7:34
#4451
25.2M
25.20 mi13:02:533:01:007:112:46
8:01
#4384
Finish
26.22 mi13:10:083:08:157:117:15
7:07
#4283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1779171917191598(Top 6%)1546(Top 11%)1546(Top 77%)
10K6.21 mi3.10 mi1534+2451483+2361483+2361383(Top 5%)1342(Top 9%)1342(Top 67%)
15K9.32 mi3.11 mi1541-71495-121495-121598(Top 6%)1546(Top 11%)1546(Top 77%)
20K12.43 mi3.11 mi1615-741566-711566-711920(Top 8%)1852(Top 13%)1852(Top 92%)
Half13.11 mi0.68 mi1603+121554+121554+121550(Top 6%)1503(Top 10%)1503(Top 75%)
25K15.53 mi2.42 mi1844-2411784-2301784-2303721(Top 15%)3462(Top 24%)3462(Top 172%)
30K18.64 mi3.11 mi2292-4482193-4092193-4095073(Top 20%)4396(Top 30%)4396(Top 219%)
20M20.00 mi1.36 mi3231-9393049-8563049-85615137(Top 59%)9353(Top 64%)9353(Top 466%)
21M21.00 mi1.00 mi3595-3643357-3083357-3089152(Top 36%)6344(Top 44%)6344(Top 316%)
35K21.75 mi0.75 mi3519+763285+723285+722452(Top 10%)2240(Top 15%)2240(Top 111%)
23M23.00 mi1.25 mi4011-4923685-4003685-40013031(Top 51%)8073(Top 55%)8073(Top 402%)
24M24.00 mi1.00 mi4578-5674116-4314116-43117502(Top 69%)10252(Top 70%)10252(Top 510%)
40K24.85 mi0.85 mi4451+1273991+1253991+1253735(Top 15%)3042(Top 21%)3042(Top 151%)
25.2M25.20 mi0.35 mi4384+673925+663925+662809(Top 11%)2390(Top 16%)2390(Top 119%)
Finish26.22 mi1.02 mi4283+1013830+953830+953628(Top 14%)2957(Top 20%)2957(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1598

Males

1546

M40-44

1546

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1383

Males

1342

M40-44

1342

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1598

Males

1546

M40-44

1546

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

1920

Males

1852

M40-44

1852

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1550

Males

1503

M40-44

1503

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3721

Males

3462

M40-44

3462

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5073

Males

4396

M40-44

4396

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15137

Males

9353

M40-44

9353

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9152

Males

6344

M40-44

6344

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2452

Males

2240

M40-44

2240

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13031

Males

8073

M40-44

8073

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

17502

Males

10252

M40-44

10252

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3735

Males

3042

M40-44

3042

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2809

Males

2390

M40-44

2390

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3628

Males

2957

M40-44

2957

Passing Analysis

Category:
Athletes Passed
883
Passed By
3387
Net Change
-2504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1779
5K → 10K26217+245#1779#1534
10K → 15K4855-7#1534#1541
15K → 20K44118-74#1541#1615
20K → Half186+12#1615#1603
Half → 25K25266-241#1603#1844
25K → 30K28476-448#1844#2292
30K → 20M5944-939#2292#3231
20M → 21M18382-364#3231#3595
21M → 35K8610+76#3595#3519
35K → 23M18510-492#3519#4011
23M → 24M8575-567#4011#4578
24M → 40K13710+127#4578#4451
40K → 25.2M758+67#4451#4384
25.2M → Finish11110+101#4384#4283
TOTALS8833387-2504
📊

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