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BOSTON MARATHON 2023

Kien Mach

Bib: 7176•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M40-44)
#0 / 2241
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #4759
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
42:00
Rank: #4596 (+163)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:03:06
Rank: #4707 (-111)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:20
Rank: #4699 (+8)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:00
Rank: #4746 (-47)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:45:49
Rank: #4817 (-71)
Half → 25K
16:49 | 6:56/mi
30K· 18.64 mi
2:08:01
Rank: #4907 (-90)
25K → 30K
22:12 | 7:09/mi
20M
2:17:52
Rank: #4942 (-35)
30K → 20M
9:51 | 7:15/mi
21M
2:25:36
Rank: #4979 (-37)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:30:48
Rank: #4966 (+13)
21M → 35K
5:12 | 6:57/mi
23M
2:40:22
Rank: #5069 (-103)
35K → 23M
9:34 | 7:38/mi
24M
2:47:59
Rank: #5140 (-71)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:54:41
Rank: #5214 (-74)
24M → 40K
6:42 | 7:50/mi
25.2M
2:57:42
Rank: #5273 (-59)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:06:08
Rank: #5511 (-238)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1121:096:4821:09
6:48
-
10K
6.21 mi10:46:0242:006:4620:51
6:43
-0:05
15K
9.32 mi11:07:081:03:066:4621:06
6:47
+0:04
20K
12.43 mi11:28:221:24:206:4721:14
6:50
+0:03
Half
13.11 mi11:33:021:29:006:474:40
6:50
0:00
25K
15.53 mi11:49:511:45:496:4916:49
6:56
+0:06
30K
18.64 mi12:12:032:08:016:5222:12
7:09
+0:13
20M
20.00 mi12:21:542:17:526:549:51
7:15
+0:06
21M
21.00 mi12:29:382:25:366:567:44
7:44
+0:29
35K
21.75 mi12:34:502:30:486:565:12
6:57
-0:47
23M
23.00 mi12:44:242:40:226:589:34
7:38
+0:41
24M
24.00 mi12:52:012:47:597:007:37
7:37
-0:01
40K
24.85 mi12:58:432:54:417:026:42
7:50
+0:13
25.2M
25.20 mi13:01:442:57:427:033:01
8:45
+0:55
Finish
26.22 mi13:10:103:06:087:068:26
8:17
-0:28

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

6:43 /mi

Average Pace

7:06 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:00

48% of race

Time at Steady Pace

54:04

29% of race

Time at Slower Pace

43:04

23% of race

Average Pace: 7:06 /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 mi10:25:1121:096:4821:09
6:48
#4759
10K
6.21 mi10:46:0242:006:4620:51
6:43
#4596
15K
9.32 mi11:07:081:03:066:4621:06
6:47
#4707
20K
12.43 mi11:28:221:24:206:4721:14
6:50
#4699
Half
13.11 mi11:33:021:29:006:474:40
6:50
#4746
25K
15.53 mi11:49:511:45:496:4916:49
6:56
#4817
30K
18.64 mi12:12:032:08:016:5222:12
7:09
#4907
20M
20.00 mi12:21:542:17:526:549:51
7:15
#4942
21M
21.00 mi12:29:382:25:366:567:44
7:44
#4979
35K
21.75 mi12:34:502:30:486:565:12
6:57
#4966
23M
23.00 mi12:44:242:40:226:589:34
7:38
#5069
24M
24.00 mi12:52:012:47:597:007:37
7:37
#5140
40K
24.85 mi12:58:432:54:417:026:42
7:50
#5214
25.2M
25.20 mi13:01:442:57:427:033:01
8:45
#5273
Finish
26.22 mi13:10:103:06:087:068:26
8:17
#5511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4759442944295032(Top 19%)4672(Top 31%)4672(Top 208%)
10K6.21 mi3.10 mi4596+1634292+1374292+1374453(Top 17%)4164(Top 27%)4164(Top 186%)
15K9.32 mi3.11 mi4707-1114385-934385-935032(Top 19%)4672(Top 31%)4672(Top 208%)
20K12.43 mi3.11 mi4699+8438543854772(Top 18%)4434(Top 29%)4434(Top 198%)
Half13.11 mi0.68 mi4746-474423-384423-385595(Top 21%)5155(Top 34%)5155(Top 230%)
25K15.53 mi2.42 mi4817-714483-604483-605191(Top 19%)4789(Top 32%)4789(Top 214%)
30K18.64 mi3.11 mi4907-904565-824565-825181(Top 19%)4746(Top 31%)4746(Top 212%)
20M20.00 mi1.36 mi4942-354586-214586-215365(Top 20%)4827(Top 32%)4827(Top 215%)
21M21.00 mi1.00 mi4979-374611-254611-255785(Top 22%)5037(Top 33%)5037(Top 225%)
35K21.75 mi0.75 mi4966+134594+174594+175072(Top 19%)4547(Top 30%)4547(Top 203%)
23M23.00 mi1.25 mi5069-1034667-734667-737326(Top 28%)6006(Top 40%)6006(Top 268%)
24M24.00 mi1.00 mi5140-714723-564723-568470(Top 32%)6582(Top 43%)6582(Top 294%)
40K24.85 mi0.85 mi5214-744781-584781-588863(Top 33%)6725(Top 44%)6725(Top 300%)
25.2M25.20 mi0.35 mi5273-594822-414822-4110909(Top 41%)7720(Top 51%)7720(Top 344%)
Finish26.22 mi1.02 mi5511-2385008-1865008-18613898(Top 52%)9185(Top 61%)9185(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5032

Males

4672

M40-44

4672

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4453

Males

4164

M40-44

4164

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5032

Males

4672

M40-44

4672

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4772

Males

4434

M40-44

4434

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5595

Males

5155

M40-44

5155

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5191

Males

4789

M40-44

4789

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5181

Males

4746

M40-44

4746

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5365

Males

4827

M40-44

4827

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5785

Males

5037

M40-44

5037

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5072

Males

4547

M40-44

4547

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7326

Males

6006

M40-44

6006

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8470

Males

6582

M40-44

6582

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8863

Males

6725

M40-44

6725

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10909

Males

7720

M40-44

7720

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13898

Males

9185

M40-44

9185

Passing Analysis

Category:
Athletes Passed
930
Passed By
1682
Net Change
-752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4759
5K → 10K294131+163#4759#4596
10K → 15K84195-111#4596#4707
15K → 20K10395+8#4707#4699
20K → Half956-47#4699#4746
Half → 25K77148-71#4746#4817
25K → 30K113203-90#4817#4907
30K → 20M5691-35#4907#4942
20M → 21M4279-37#4942#4979
21M → 35K3926+13#4979#4966
35K → 23M41144-103#4966#5069
23M → 24M32103-71#5069#5140
24M → 40K2296-74#5140#5214
40K → 25.2M665-59#5214#5273
25.2M → Finish12250-238#5273#5511
TOTALS9301682-752
📊

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