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BOSTON MARATHON 2023

Mikel Lo

Bib: 19308•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:45
Rank: #23184
Start → 5K
30:45 | 9:54/mi
10K· 6.21 mi
1:02:15
Rank: #23658 (-474)
5K → 10K
31:30 | 10:08/mi
15K· 9.32 mi
1:34:55
Rank: #23966 (-308)
10K → 15K
32:40 | 10:31/mi
20K· 12.43 mi
2:09:05
Rank: #24194 (-228)
15K → 20K
34:10 | 11:00/mi
Half· 13.11 mi
2:17:26
Rank: #24378 (-184)
20K → Half
8:21 | 12:14/mi
25K· 15.53 mi
2:46:54
Rank: #24625 (-247)
Half → 25K
29:28 | 12:09/mi
30K· 18.64 mi
3:23:59
Rank: #24576 (+49)
25K → 30K
37:05 | 11:56/mi
20M
3:40:10
Rank: #24549 (+27)
30K → 20M
16:11 | 11:55/mi
21M
3:53:59
Rank: #24604 (-55)
20M → 21M
13:49 | 13:49/mi
35K· 21.75 mi
4:03:46
Rank: #24675 (-71)
21M → 35K
9:47 | 13:05/mi
23M
4:21:29
Rank: #24808 (-133)
35K → 23M
17:43 | 14:09/mi
24M
4:33:22
Rank: #24803 (+5)
23M → 24M
11:53 | 11:53/mi
40K· 24.85 mi
4:43:48
Rank: #24798 (+5)
24M → 40K
10:26 | 12:12/mi
25.2M
4:48:09
Rank: #24785 (+13)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:58:54
Rank: #24761 (+24)
25.2M → Finish
10:45 | 10:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:26
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:41:28
Pace12:19 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4030:459:5430:45
9:54
-
10K
6.21 mi11:56:101:02:1510:0131:30
10:08
+0:14
15K
9.32 mi12:28:501:34:5510:1132:40
10:31
+0:23
20K
12.43 mi13:03:002:09:0510:2334:10
11:00
+0:29
Half
13.11 mi13:11:212:17:2610:298:21
12:14
+1:14
25K
15.53 mi13:40:492:46:5410:4529:28
12:09
-0:05
30K
18.64 mi14:17:543:23:5910:5737:05
11:56
-0:13
20M
20.00 mi14:34:053:40:1011:0016:11
11:55
-0:01
21M
21.00 mi14:47:543:53:5911:0913:49
13:49
+1:54
35K
21.75 mi14:57:414:03:4611:139:47
13:05
-0:44
23M
23.00 mi15:15:244:21:2911:2217:43
14:09
+1:04
24M
24.00 mi15:27:174:33:2211:2311:53
11:53
-2:16
40K
24.85 mi15:37:434:43:4811:2510:26
12:12
+0:19
25.2M
25.20 mi15:42:044:48:0911:264:21
12:37
+0:25
Finish
26.22 mi15:52:494:58:5411:2510:45
10:33
-2:04

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

9:54 /mi

Average Pace

11:25 /mi

Slowest Pace

14:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:50

47% of race

Time at Steady Pace

1:53:24

38% of race

Time at Slower Pace

45:40

15% of race

Average Pace: 11:24 /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 mi11:24:4030:459:5430:45
9:54
#23184
10K
6.21 mi11:56:101:02:1510:0131:30
10:08
#23658
15K
9.32 mi12:28:501:34:5510:1132:40
10:31
#23966
20K
12.43 mi13:03:002:09:0510:2334:10
11:00
#24194
Half
13.11 mi13:11:212:17:2610:298:21
12:14
#24378
25K
15.53 mi13:40:492:46:5410:4529:28
12:09
#24625
30K
18.64 mi14:17:543:23:5910:5737:05
11:56
#24576
20M
20.00 mi14:34:053:40:1011:0016:11
11:55
#24549
21M
21.00 mi14:47:543:53:5911:0913:49
13:49
#24604
35K
21.75 mi14:57:414:03:4611:139:47
13:05
#24675
23M
23.00 mi15:15:244:21:2911:2217:43
14:09
#24808
24M
24.00 mi15:27:174:33:2211:2311:53
11:53
#24803
40K
24.85 mi15:37:434:43:4811:2510:26
12:12
#24798
25.2M
25.20 mi15:42:044:48:0911:264:21
12:37
#24785
Finish
26.22 mi15:52:494:58:5411:2510:45
10:33
#24761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi23184136781367824483(Top 92%)14288(Top 94%)14288(Top 1005%)
10K6.21 mi3.10 mi23658-47413934-25613934-25623993(Top 90%)14088(Top 93%)14088(Top 991%)
15K9.32 mi3.11 mi23966-30814073-13914073-13924483(Top 92%)14288(Top 94%)14288(Top 1005%)
20K12.43 mi3.11 mi24194-22814175-10214175-10224628(Top 93%)14336(Top 94%)14336(Top 1008%)
Half13.11 mi0.68 mi24378-18414246-7114246-7126017(Top 98%)14925(Top 98%)14925(Top 1050%)
25K15.53 mi2.42 mi24625-24714343-9714343-9725275(Top 95%)14582(Top 96%)14582(Top 1025%)
30K18.64 mi3.11 mi24576+4914309+3414309+3424420(Top 92%)14164(Top 93%)14164(Top 996%)
20M20.00 mi1.36 mi24549+2714289+2014289+2024089(Top 90%)13941(Top 92%)13941(Top 980%)
21M21.00 mi1.00 mi24604-5514312-2314312-2324876(Top 93%)14310(Top 94%)14310(Top 1006%)
35K21.75 mi0.75 mi24675-7114325-1314325-1325616(Top 96%)14642(Top 96%)14642(Top 1030%)
23M23.00 mi1.25 mi24808-13314375-5014375-5025918(Top 97%)14791(Top 97%)14791(Top 1040%)
24M24.00 mi1.00 mi24803+514363+1214363+1224374(Top 92%)13988(Top 92%)13988(Top 984%)
40K24.85 mi0.85 mi24798+514360+314360+324125(Top 91%)13862(Top 91%)13862(Top 975%)
25.2M25.20 mi0.35 mi24785+1314352+814352+823453(Top 88%)13533(Top 89%)13533(Top 952%)
Finish26.22 mi1.02 mi24761+2414331+2114331+2123105(Top 87%)13391(Top 88%)13391(Top 942%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24483

Males

14288

M55-59

14288

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23993

Males

14088

M55-59

14088

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24483

Males

14288

M55-59

14288

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24628

Males

14336

M55-59

14336

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26017

Males

14925

M55-59

14925

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25275

Males

14582

M55-59

14582

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24420

Males

14164

M55-59

14164

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24089

Males

13941

M55-59

13941

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24876

Males

14310

M55-59

14310

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25616

Males

14642

M55-59

14642

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25918

Males

14791

M55-59

14791

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24374

Males

13988

M55-59

13988

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24125

Males

13862

M55-59

13862

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23453

Males

13533

M55-59

13533

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23105

Males

13391

M55-59

13391

Passing Analysis

Category:
Athletes Passed
488
Passed By
2065
Net Change
-1577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23184
5K → 10K56530-474#23184#23658
10K → 15K36344-308#23658#23966
15K → 20K53281-228#23966#24194
20K → Half3187-184#24194#24378
Half → 25K21268-247#24378#24625
25K → 30K11667+49#24625#24576
30K → 20M6134+27#24576#24549
20M → 21M2075-55#24549#24604
21M → 35K1081-71#24604#24675
35K → 23M4137-133#24675#24808
23M → 24M2722+5#24808#24803
24M → 40K2621+5#24803#24798
40K → 25.2M152+13#24798#24785
25.2M → Finish4016+24#24785#24761
TOTALS4882065-1577
📊

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