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BOSTON MARATHON 2024

Guobin Ou

Bib: 6452•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 19%
Masters (Masters Men)
#0 / 9729
Top 9%
Division (M45-49)
#0 / 2218
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:01
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:06
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:24:31
↑ 106↓ 860.1%
Half· 13.11 mi
6:45/mi
1:29:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:08/mi
1:46:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:08:20
↑ 181↓ 1480.2%
20M
7:05/mi
2:17:58
↑ 64↓ 500.2%
21M
7:21/mi
2:25:19
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:30:19
↑ 17↓ 861.7%
23M
6:51/mi
2:38:53
↑ 23↓ 630.6%
24M
6:44/mi
2:45:37
↓ 821.3%
40K· 24.85 mi
6:45/mi
2:51:23
↓ 200.3%
25.2M
7:29/mi
2:53:58
↑ 13↓ 160.2%
Finish· 26.22 mi
6:21/mi
3:00:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:31:19
Pace6:58 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1220:576:4520:57
6:45
-
10K
6.21 mi10:48:1642:016:4621:04
6:47
+0:02
15K
9.32 mi11:09:211:03:066:4621:05
6:47
0:00
20K
12.43 mi11:30:461:24:316:4821:25
6:54
+0:07
Half
13.11 mi11:35:221:29:076:484:36
6:45
-0:09
25K
15.53 mi11:52:401:46:256:5117:18
7:08
+0:23
30K
18.64 mi12:14:352:08:206:5321:55
7:03
-0:05
20M
20.00 mi12:24:132:17:586:549:38
7:05
+0:02
21M
21.00 mi12:31:342:25:196:557:21
7:21
+0:16
35K
21.75 mi12:36:342:30:196:555:00
6:41
-0:40
23M
23.00 mi12:45:082:38:536:548:34
6:51
+0:10
24M
24.00 mi12:51:522:45:376:546:44
6:44
-0:07
40K
24.85 mi12:57:382:51:236:545:46
6:45
+0:01
25.2M
25.20 mi13:00:132:53:586:542:35
7:29
+0:44
Finish
26.22 mi13:06:413:00:266:536:28
6:21
-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

6:21 /mi

Average Pace

6:53 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:39

67% of race

Time at Steady Pace

58:47

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:27:1220:576:4520:57
6:45
#5192
10K
6.21 mi10:48:1642:016:4621:04
6:47
#5089
15K
9.32 mi11:09:211:03:066:4621:05
6:47
#4925
20K
12.43 mi11:30:461:24:316:4821:25
6:54
#4750
Half
13.11 mi11:35:221:29:076:484:36
6:45
#4703
25K
15.53 mi11:52:401:46:256:5117:18
7:08
#4738
30K
18.64 mi12:14:352:08:206:5321:55
7:03
#4322
20M
20.00 mi12:24:132:17:586:549:38
7:05
#4092
21M
21.00 mi12:31:342:25:196:557:21
7:21
#3838
35K
21.75 mi12:36:342:30:196:555:00
6:41
#3700
23M
23.00 mi12:45:082:38:536:548:34
6:51
#3452
24M
24.00 mi12:51:522:45:376:546:44
6:44
#3289
40K
24.85 mi12:57:382:51:236:545:46
6:45
#3159
25.2M
25.20 mi13:00:132:53:586:542:35
7:29
#3091
Finish
26.22 mi13:06:413:00:266:536:28
6:21
#2948
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5192479147914631(Top 18%)4303(Top 30%)4303(Top 194%)
10K6.21 mi3.10 mi5089+1034707+844707+845038(Top 20%)4655(Top 32%)4655(Top 210%)
15K9.32 mi3.11 mi4925+1644563+1444563+1444631(Top 18%)4303(Top 30%)4303(Top 194%)
20K12.43 mi3.11 mi4750+1754407+1564407+1564604(Top 18%)4240(Top 29%)4240(Top 191%)
Half13.11 mi0.68 mi4703+474371+364371+364186(Top 16%)3890(Top 27%)3890(Top 175%)
25K15.53 mi2.42 mi4738-354378-74378-75006(Top 20%)4481(Top 31%)4481(Top 202%)
30K18.64 mi3.11 mi4322+4164003+3754003+3753138(Top 12%)2902(Top 20%)2902(Top 131%)
20M20.00 mi1.36 mi4092+2303797+2063797+2062751(Top 11%)2532(Top 17%)2532(Top 114%)
21M21.00 mi1.00 mi3838+2543568+2293568+2292051(Top 8%)1900(Top 13%)1900(Top 86%)
35K21.75 mi0.75 mi3700+1383444+1243444+1241874(Top 7%)1732(Top 12%)1732(Top 78%)
23M23.00 mi1.25 mi3452+2483214+2303214+2301447(Top 6%)1356(Top 9%)1356(Top 61%)
24M24.00 mi1.00 mi3289+1633064+1503064+1501499(Top 6%)1387(Top 10%)1387(Top 63%)
40K24.85 mi0.85 mi3159+1302942+1222942+1221193(Top 5%)1101(Top 8%)1101(Top 50%)
25.2M25.20 mi0.35 mi3091+682880+622880+621462(Top 6%)1320(Top 9%)1320(Top 60%)
Finish26.22 mi1.02 mi2948+1432747+1332747+1331019(Top 4%)937(Top 6%)937(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4631

Males

4303

M45-49

4303

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5038

Males

4655

M45-49

4655

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4631

Males

4303

M45-49

4303

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4604

Males

4240

M45-49

4240

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4186

Males

3890

M45-49

3890

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5006

Males

4481

M45-49

4481

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3138

Males

2902

M45-49

2902

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2751

Males

2532

M45-49

2532

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2051

Males

1900

M45-49

1900

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1874

Males

1732

M45-49

1732

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1447

Males

1356

M45-49

1356

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1499

Males

1387

M45-49

1387

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1193

Males

1101

M45-49

1101

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1462

Males

1320

M45-49

1320

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1019

Males

937

M45-49

937

Passing Analysis

Category:
Athletes Passed
2769
Passed By
525
Net Change
+2244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5192
5K → 10K237134+103#5192#5089
10K → 15K23672+164#5089#4925
15K → 20K24065+175#4925#4750
20K → Half558+47#4750#4703
Half → 25K167202-35#4703#4738
25K → 30K43721+416#4738#4322
30K → 20M2377+230#4322#4092
20M → 21M2573+254#4092#3838
21M → 35K1380+138#3838#3700
35K → 23M2502+248#3700#3452
23M → 24M1685+163#3452#3289
24M → 40K1333+130#3289#3159
40K → 25.2M702+68#3159#3091
25.2M → Finish1441+143#3091#2948
TOTALS2769525+2244
📊

Passing Visuals

Category:
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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