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BOSTON MARATHON 2024

Wan-Bor Chiu

Bib: 13075•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 32%
Gender (Male)
#0 / 14578
Top 43%
Masters (Masters Men)
#0 / 9729
Top 32%
Division (M50-54)
#0 / 1935
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:56
Rank: #9778
Start → 5K
7:23/mi
22:56 split
10K· 6.21 mi
46:20
Rank: #10089 (-311)
5K → 10K
7:32/mi
23:24 split
15K· 9.32 mi
1:09:58
Rank: #10220 (-131)
10K → 15K
7:36/mi
23:38 split
20K· 12.43 mi
1:33:33
Rank: #9841 (+379)
15K → 20K
7:35/mi
23:35 split
Half· 13.11 mi
1:38:33
Rank: #9712 (+129)
20K → Half
7:20/mi
5:00 split
25K· 15.53 mi
1:56:53
Rank: #9252 (+460)
Half → 25K
7:34/mi
18:20 split
30K· 18.64 mi
2:21:41
Rank: #8871 (+381)
25K → 30K
7:59/mi
24:48 split
20M
2:32:33
Rank: #8608 (+263)
30K → 20M
8:00/mi
10:52 split
21M
2:41:32
Rank: #8530 (+78)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
2:47:56
Rank: #8564 (-34)
21M → 35K
8:33/mi
6:24 split
23M
2:58:12
Rank: #8366 (+198)
35K → 23M
8:12/mi
10:16 split
24M
3:06:07
Rank: #8219 (+147)
23M → 24M
7:55/mi
7:55 split
40K· 24.85 mi
3:13:13
Rank: #8132 (+87)
24M → 40K
8:18/mi
7:06 split
25.2M
3:16:33
Rank: #8129 (+3)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
3:24:36
Rank: #8080 (+49)
25.2M → Finish
7:54/mi
8:03 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:33
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:46:03
Pace8:05 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5422:567:2322:56
7:23
-
10K
6.21 mi11:16:1846:207:2723:24
7:32
+0:09
15K
9.32 mi11:39:561:09:587:3023:38
7:36
+0:04
20K
12.43 mi12:03:311:33:337:3223:35
7:35
-0:01
Half
13.11 mi12:08:311:38:337:315:00
7:20
-0:15
25K
15.53 mi12:26:511:56:537:3118:20
7:34
+0:14
30K
18.64 mi12:51:392:21:417:3624:48
7:59
+0:25
20M
20.00 mi13:02:312:32:337:3810:52
8:00
+0:01
21M
21.00 mi13:11:302:41:327:428:59
8:59
+0:59
35K
21.75 mi13:17:542:47:567:436:24
8:33
-0:26
23M
23.00 mi13:28:102:58:127:4510:16
8:12
-0:21
24M
24.00 mi13:36:053:06:077:457:55
7:55
-0:17
40K
24.85 mi13:43:113:13:137:467:06
8:18
+0:23
25.2M
25.20 mi13:46:313:16:337:483:20
9:40
+1:22
Finish
26.22 mi13:54:343:24:367:498:03
7:54
-1:46

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

7:20 /mi

Average Pace

7:49 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:53

57% of race

Time at Steady Pace

1:01:54

30% of race

Time at Slower Pace

25:49

13% of race

Average Pace: 7:48 /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 mi10:52:5422:567:2322:56
7:23
#9778
10K
6.21 mi11:16:1846:207:2723:24
7:32
#10089
15K
9.32 mi11:39:561:09:587:3023:38
7:36
#10220
20K
12.43 mi12:03:311:33:337:3223:35
7:35
#9841
Half
13.11 mi12:08:311:38:337:315:00
7:20
#9712
25K
15.53 mi12:26:511:56:537:3118:20
7:34
#9252
30K
18.64 mi12:51:392:21:417:3624:48
7:59
#8871
20M
20.00 mi13:02:312:32:337:3810:52
8:00
#8608
21M
21.00 mi13:11:302:41:327:428:59
8:59
#8530
35K
21.75 mi13:17:542:47:567:436:24
8:33
#8564
23M
23.00 mi13:28:102:58:127:4510:16
8:12
#8366
24M
24.00 mi13:36:053:06:077:457:55
7:55
#8219
40K
24.85 mi13:43:113:13:137:467:06
8:18
#8132
25.2M
25.20 mi13:46:313:16:337:483:20
9:40
#8129
Finish
26.22 mi13:54:343:24:367:498:03
7:54
#8080
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi97787829782910456(Top 41%)8019(Top 55%)8019(Top 414%)
10K6.21 mi3.10 mi10089-3117978-1497978-14910512(Top 41%)8120(Top 56%)8120(Top 420%)
15K9.32 mi3.11 mi10220-1317995-177995-1710456(Top 41%)8019(Top 55%)8019(Top 414%)
20K12.43 mi3.11 mi9841+3797755+2407755+2408996(Top 35%)7165(Top 49%)7165(Top 370%)
Half13.11 mi0.68 mi9712+1297682+737682+737849(Top 31%)6534(Top 45%)6534(Top 338%)
25K15.53 mi2.42 mi9252+4607403+2797403+2797378(Top 29%)6045(Top 41%)6045(Top 312%)
30K18.64 mi3.11 mi8871+3817095+3087095+3087758(Top 30%)6066(Top 42%)6066(Top 313%)
20M20.00 mi1.36 mi8608+2636894+2016894+2016737(Top 26%)5292(Top 36%)5292(Top 273%)
21M21.00 mi1.00 mi8530+786796+986796+988497(Top 33%)6040(Top 41%)6040(Top 312%)
35K21.75 mi0.75 mi8564-346775+216775+2111014(Top 43%)7219(Top 50%)7219(Top 373%)
23M23.00 mi1.25 mi8366+1986598+1776598+1776797(Top 27%)4980(Top 34%)4980(Top 257%)
24M24.00 mi1.00 mi8219+1476476+1226476+1226177(Top 24%)4561(Top 31%)4561(Top 236%)
40K24.85 mi0.85 mi8132+876373+1036373+1037349(Top 29%)5025(Top 34%)5025(Top 260%)
25.2M25.20 mi0.35 mi8129+36344+296344+299387(Top 37%)6018(Top 41%)6018(Top 311%)
Finish26.22 mi1.02 mi8080+496279+656279+657910(Top 31%)5365(Top 37%)5365(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10456

Males

8019

M50-54

8019

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10512

Males

8120

M50-54

8120

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10456

Males

8019

M50-54

8019

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

8996

Males

7165

M50-54

7165

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

7849

Males

6534

M50-54

6534

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7378

Males

6045

M50-54

6045

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7758

Males

6066

M50-54

6066

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6737

Males

5292

M50-54

5292

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8497

Males

6040

M50-54

6040

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11014

Males

7219

M50-54

7219

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6797

Males

4980

M50-54

4980

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6177

Males

4561

M50-54

4561

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7349

Males

5025

M50-54

5025

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9387

Males

6018

M50-54

6018

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7910

Males

5365

M50-54

5365

Passing Analysis

Category:
Athletes Passed
2999*
Passed By
1299
Net Change
+1698
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9778
5K → 10K156466-311#9778#10089
10K → 15K166296-131#10089#10220
15K → 20K426*47+379#10220#9841
20K → Half1301+129#9841#9712
Half → 25K47212+460#9712#9252
25K → 30K483102+381#9252#8871
30K → 20M28320+263#8871#8608
20M → 21M14567+78#8608#8530
21M → 35K6397-34#8530#8564
35K → 23M23739+198#8564#8366
23M → 24M16518+147#8366#8219
24M → 40K12942+87#8219#8132
40K → 25.2M4340+3#8132#8129
25.2M → Finish10152+49#8129#8080
TOTALS2999*1299+1698

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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