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BOSTON MARATHON 2024

Chih-Wen Su

Bib: 7017•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 26%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M45-49)
#0 / 2218
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:35
Rank: #6712
Start → 5K
21:35 | 6:57/mi
10K· 6.21 mi
43:17
Rank: #6610 (+102)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:05:11
Rank: #6555 (+55)
10K → 15K
21:54 | 7:03/mi
20K· 12.43 mi
1:29:40
Rank: #7529 (-974)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:34:41
Rank: #7531 (-2)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:08
Rank: #7483 (+48)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:17:36
Rank: #7323 (+160)
25K → 30K
24:28 | 7:53/mi
20M
2:28:42
Rank: #7292 (+31)
30K → 20M
11:06 | 8:10/mi
21M
2:37:11
Rank: #7138 (+154)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:43:07
Rank: #7070 (+68)
21M → 35K
5:56 | 7:56/mi
23M
2:53:21
Rank: #6956 (+114)
35K → 23M
10:14 | 8:10/mi
24M
3:01:25
Rank: #6893 (+63)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:08:22
Rank: #6823 (+70)
24M → 40K
6:57 | 8:08/mi
25.2M
3:11:24
Rank: #6764 (+59)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:19:22
Rank: #6745 (+19)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:41
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:44:41
Pace7:59 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:3321:356:5721:35
6:57
-
10K
6.21 mi10:50:1543:176:5821:42
6:59
+0:02
15K
9.32 mi11:12:091:05:117:0021:54
7:03
+0:04
20K
12.43 mi11:36:381:29:407:1324:29
7:53
+0:50
Half
13.11 mi11:41:391:34:417:135:01
7:21
-0:32
25K
15.53 mi12:00:061:53:087:1718:27
7:37
+0:16
30K
18.64 mi12:24:342:17:367:2324:28
7:53
+0:16
20M
20.00 mi12:35:402:28:427:2611:06
8:10
+0:17
21M
21.00 mi12:44:092:37:117:298:29
8:29
+0:19
35K
21.75 mi12:50:052:43:077:305:56
7:56
-0:33
23M
23.00 mi13:00:192:53:217:3210:14
8:10
+0:14
24M
24.00 mi13:08:233:01:257:348:04
8:04
-0:06
40K
24.85 mi13:15:203:08:227:356:57
8:08
+0:04
25.2M
25.20 mi13:18:223:11:247:363:02
8:48
+0:40
Finish
26.22 mi13:26:203:19:227:377:58
7:49
-0:59

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

6:57 /mi

Average Pace

7:37 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:39

44% of race

Time at Steady Pace

1:17:52

39% of race

Time at Slower Pace

32:51

16% of race

Average Pace: 7:36 /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 mi10:28:3321:356:5721:35
6:57
#6712
10K
6.21 mi10:50:1543:176:5821:42
6:59
#6610
15K
9.32 mi11:12:091:05:117:0021:54
7:03
#6555
20K
12.43 mi11:36:381:29:407:1324:29
7:53
#7529
Half
13.11 mi11:41:391:34:417:135:01
7:21
#7531
25K
15.53 mi12:00:061:53:087:1718:27
7:37
#7483
30K
18.64 mi12:24:342:17:367:2324:28
7:53
#7323
20M
20.00 mi12:35:402:28:427:2611:06
8:10
#7292
21M
21.00 mi12:44:092:37:117:298:29
8:29
#7138
35K
21.75 mi12:50:052:43:077:305:56
7:56
#7070
23M
23.00 mi13:00:192:53:217:3210:14
8:10
#6956
24M
24.00 mi13:08:233:01:257:348:04
8:04
#6893
40K
24.85 mi13:15:203:08:227:356:57
8:08
#6823
25.2M
25.20 mi13:18:223:11:247:363:02
8:48
#6764
Finish
26.22 mi13:26:203:19:227:377:58
7:49
#6745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6712596159616499(Top 25%)5735(Top 39%)5735(Top 259%)
10K6.21 mi3.10 mi6610+1025872+895872+896554(Top 26%)5801(Top 40%)5801(Top 262%)
15K9.32 mi3.11 mi6555+555811+615811+616499(Top 25%)5735(Top 39%)5735(Top 259%)
20K12.43 mi3.11 mi7529-9746442-6316442-63110960(Top 43%)8135(Top 56%)8135(Top 367%)
Half13.11 mi0.68 mi7531-26435+76435+77989(Top 31%)6603(Top 45%)6603(Top 298%)
25K15.53 mi2.42 mi7483+486372+636372+637672(Top 30%)6225(Top 43%)6225(Top 281%)
30K18.64 mi3.11 mi7323+1606205+1676205+1677134(Top 28%)5706(Top 39%)5706(Top 257%)
20M20.00 mi1.36 mi7292+316142+636142+637649(Top 30%)5804(Top 40%)5804(Top 262%)
21M21.00 mi1.00 mi7138+1545992+1505992+1506138(Top 24%)4763(Top 33%)4763(Top 215%)
35K21.75 mi0.75 mi7070+685919+735919+737323(Top 29%)5399(Top 37%)5399(Top 243%)
23M23.00 mi1.25 mi6956+1145799+1205799+1206643(Top 26%)4886(Top 34%)4886(Top 220%)
24M24.00 mi1.00 mi6893+635718+815718+816967(Top 27%)4963(Top 34%)4963(Top 224%)
40K24.85 mi0.85 mi6823+705627+915627+916412(Top 25%)4558(Top 31%)4558(Top 206%)
25.2M25.20 mi0.35 mi6764+595569+585569+585638(Top 22%)4083(Top 28%)4083(Top 184%)
Finish26.22 mi1.02 mi6745+195528+415528+417425(Top 29%)5100(Top 35%)5100(Top 230%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6499

Males

5735

M45-49

5735

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6554

Males

5801

M45-49

5801

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6499

Males

5735

M45-49

5735

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

10960

Males

8135

M45-49

8135

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7989

Males

6603

M45-49

6603

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7672

Males

6225

M45-49

6225

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7134

Males

5706

M45-49

5706

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7649

Males

5804

M45-49

5804

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6138

Males

4763

M45-49

4763

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7323

Males

5399

M45-49

5399

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6643

Males

4886

M45-49

4886

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6967

Males

4963

M45-49

4963

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6412

Males

4558

M45-49

4558

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5638

Males

4083

M45-49

4083

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7425

Males

5100

M45-49

5100

Passing Analysis

Category:
Athletes Passed
1983
Passed By
2016
Net Change
-33
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6712
5K → 10K257155+102#6712#6610
10K → 15K175120+55#6610#6555
15K → 20K281002-974#6555#7529
20K → Half3234-2#7529#7531
Half → 25K191143+48#7531#7483
25K → 30K289129+160#7483#7323
30K → 20M12695+31#7323#7292
20M → 21M19137+154#7292#7138
21M → 35K11345+68#7138#7070
35K → 23M17864+114#7070#6956
23M → 24M12562+63#6956#6893
24M → 40K12454+70#6893#6823
40K → 25.2M7213+59#6823#6764
25.2M → Finish8263+19#6764#6745
TOTALS19832016-33
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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