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BOSTON MARATHON 2024

Gaozhi Chen

Bib: 5490•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 14%
Gender (Male)
#0 / 14578
Top 22%
Masters (Masters Men)
#0 / 9729
Top 11%
Division (M40-44)
#0 / 2009
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #4695
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:43
Rank: #4663 (+32)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:02:43
Rank: #4549 (+114)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:15
Rank: #4583 (-34)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:29:05
Rank: #4665 (-82)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:45:52
Rank: #4459 (+206)
Half → 25K
16:47 | 6:55/mi
30K· 18.64 mi
2:08:30
Rank: #4375 (+84)
25K → 30K
22:38 | 7:17/mi
20M
2:18:32
Rank: #4279 (+96)
30K → 20M
10:02 | 7:23/mi
21M
2:26:43
Rank: #4230 (+49)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:31:59
Rank: #4128 (+102)
21M → 35K
5:16 | 7:02/mi
23M
2:40:58
Rank: #3918 (+210)
35K → 23M
8:59 | 7:10/mi
24M
2:47:57
Rank: #3757 (+161)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:53:58
Rank: #3627 (+130)
24M → 40K
6:01 | 7:02/mi
25.2M
2:56:43
Rank: #3577 (+50)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:03:41
Rank: #3464 (+113)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:34:36
Pace7:13 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2520:466:4120:46
6:41
-
10K
6.21 mi10:46:2241:436:4320:57
6:45
+0:04
15K
9.32 mi11:07:221:02:436:4421:00
6:46
+0:01
20K
12.43 mi11:28:541:24:156:4721:32
6:56
+0:10
Half
13.11 mi11:33:441:29:056:484:50
7:05
+0:09
25K
15.53 mi11:50:311:45:526:4916:47
6:55
-0:10
30K
18.64 mi12:13:092:08:306:5422:38
7:17
+0:22
20M
20.00 mi12:23:112:18:326:5610:02
7:23
+0:06
21M
21.00 mi12:31:222:26:436:598:11
8:11
+0:48
35K
21.75 mi12:36:382:31:596:595:16
7:02
-1:09
23M
23.00 mi12:45:372:40:587:008:59
7:10
+0:08
24M
24.00 mi12:52:362:47:577:006:59
6:59
-0:11
40K
24.85 mi12:58:372:53:587:006:01
7:02
+0:03
25.2M
25.20 mi13:01:222:56:437:012:45
7:58
+0:56
Finish
26.22 mi13:08:203:03:417:016:58
6:50
-1:08

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

6:41 /mi

Average Pace

7:01 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:43

34% of race

Time at Steady Pace

1:17:22

42% of race

Time at Slower Pace

43:36

24% of race

Average Pace: 7:00 /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 mi10:25:2520:466:4120:46
6:41
#4695
10K
6.21 mi10:46:2241:436:4320:57
6:45
#4663
15K
9.32 mi11:07:221:02:436:4421:00
6:46
#4549
20K
12.43 mi11:28:541:24:156:4721:32
6:56
#4583
Half
13.11 mi11:33:441:29:056:484:50
7:05
#4665
25K
15.53 mi11:50:311:45:526:4916:47
6:55
#4459
30K
18.64 mi12:13:092:08:306:5422:38
7:17
#4375
20M
20.00 mi12:23:112:18:326:5610:02
7:23
#4279
21M
21.00 mi12:31:222:26:436:598:11
8:11
#4230
35K
21.75 mi12:36:382:31:596:595:16
7:02
#4128
23M
23.00 mi12:45:372:40:587:008:59
7:10
#3918
24M
24.00 mi12:52:362:47:577:006:59
6:59
#3757
40K
24.85 mi12:58:372:53:587:006:01
7:02
#3627
25.2M
25.20 mi13:01:222:56:437:012:45
7:58
#3577
Finish
26.22 mi13:08:203:03:417:016:58
6:50
#3464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4695437343734360(Top 17%)4070(Top 28%)4070(Top 203%)
10K6.21 mi3.10 mi4663+324349+244349+244679(Top 18%)4349(Top 30%)4349(Top 216%)
15K9.32 mi3.11 mi4549+1144243+1064243+1064360(Top 17%)4070(Top 28%)4070(Top 203%)
20K12.43 mi3.11 mi4583-344260-174260-174823(Top 19%)4422(Top 30%)4422(Top 220%)
Half13.11 mi0.68 mi4665-824335-754335-756187(Top 24%)5435(Top 37%)5435(Top 271%)
25K15.53 mi2.42 mi4459+2064149+1864149+1863916(Top 15%)3629(Top 25%)3629(Top 181%)
30K18.64 mi3.11 mi4375+844048+1014048+1014125(Top 16%)3715(Top 25%)3715(Top 185%)
20M20.00 mi1.36 mi4279+963960+883960+883855(Top 15%)3442(Top 24%)3442(Top 171%)
21M21.00 mi1.00 mi4230+493899+613899+614828(Top 19%)3984(Top 27%)3984(Top 198%)
35K21.75 mi0.75 mi4128+1023804+953804+953210(Top 13%)2868(Top 20%)2868(Top 143%)
23M23.00 mi1.25 mi3918+2103612+1923612+1922498(Top 10%)2249(Top 15%)2249(Top 112%)
24M24.00 mi1.00 mi3757+1613466+1463466+1462289(Top 9%)2053(Top 14%)2053(Top 102%)
40K24.85 mi0.85 mi3627+1303344+1223344+1221961(Top 8%)1761(Top 12%)1761(Top 88%)
25.2M25.20 mi0.35 mi3577+503293+513293+512665(Top 10%)2288(Top 16%)2288(Top 114%)
Finish26.22 mi1.02 mi3464+1133183+1103183+1102488(Top 10%)2140(Top 15%)2140(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4360

Males

4070

M40-44

4070

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4679

Males

4349

M40-44

4349

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4360

Males

4070

M40-44

4070

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4823

Males

4422

M40-44

4422

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6187

Males

5435

M40-44

5435

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3916

Males

3629

M40-44

3629

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4125

Males

3715

M40-44

3715

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3855

Males

3442

M40-44

3442

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4828

Males

3984

M40-44

3984

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3210

Males

2868

M40-44

2868

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2498

Males

2249

M40-44

2249

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2289

Males

2053

M40-44

2053

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

1961

Males

1761

M40-44

1761

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2665

Males

2288

M40-44

2288

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2488

Males

2140

M40-44

2140

Passing Analysis

Category:
Athletes Passed
2079
Passed By
848
Net Change
+1231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4695
5K → 10K196164+32#4695#4663
10K → 15K18571+114#4663#4549
15K → 20K140174-34#4549#4583
20K → Half688-82#4583#4665
Half → 25K25549+206#4665#4459
25K → 30K238154+84#4459#4375
30K → 20M13943+96#4375#4279
20M → 21M11667+49#4279#4230
21M → 35K1097+102#4230#4128
35K → 23M2177+210#4128#3918
23M → 24M1654+161#3918#3757
24M → 40K1377+130#3757#3627
40K → 25.2M566+50#3627#3577
25.2M → Finish1207+113#3577#3464
TOTALS2079848+1231
📊

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