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BOSTON MARATHON 2023

Charlie Li

Bib: 10863•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 46%
Masters (Masters Men)
#0 / 9891
Top 33%
Division (M55-59)
#0 / 1422
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:06
Rank: #9092
Start → 5K
23:06 | 7:26/mi
10K· 6.21 mi
46:16
Rank: #9539 (-447)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:17
Rank: #9452 (+87)
10K → 15K
23:01 | 7:25/mi
20K· 12.43 mi
1:32:57
Rank: #9641 (-189)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:37:54
Rank: #9573 (+68)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:55:58
Rank: #9349 (+224)
Half → 25K
18:04 | 7:27/mi
30K· 18.64 mi
2:20:00
Rank: #9229 (+120)
25K → 30K
24:02 | 7:44/mi
20M
2:30:23
Rank: #9089 (+140)
30K → 20M
10:23 | 7:38/mi
21M
2:38:30
Rank: #9007 (+82)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:44:02
Rank: #8954 (+53)
21M → 35K
5:32 | 7:24/mi
23M
2:53:35
Rank: #8829 (+125)
35K → 23M
9:33 | 7:38/mi
24M
3:00:50
Rank: #8674 (+155)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:07:12
Rank: #8563 (+111)
24M → 40K
6:22 | 7:27/mi
25.2M
3:09:56
Rank: #8508 (+55)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:17:01
Rank: #8299 (+209)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:54
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1523:067:2623:06
7:26
-
10K
6.21 mi11:16:2546:167:2723:10
7:27
+0:01
15K
9.32 mi11:39:261:09:177:2623:01
7:25
-0:02
20K
12.43 mi12:03:061:32:577:2923:40
7:37
+0:12
Half
13.11 mi12:08:031:37:547:284:57
7:15
-0:22
25K
15.53 mi12:26:071:55:587:2818:04
7:27
+0:12
30K
18.64 mi12:50:092:20:007:3124:02
7:44
+0:17
20M
20.00 mi13:00:322:30:237:3110:23
7:38
-0:06
21M
21.00 mi13:08:392:38:307:338:07
8:07
+0:29
35K
21.75 mi13:14:112:44:027:335:32
7:24
-0:43
23M
23.00 mi13:23:442:53:357:339:33
7:38
+0:14
24M
24.00 mi13:30:593:00:507:327:15
7:15
-0:23
40K
24.85 mi13:37:213:07:127:326:22
7:27
+0:12
25.2M
25.20 mi13:40:053:09:567:322:44
7:56
+0:29
Finish
26.22 mi13:47:103:17:017:317:05
6:57
-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

7:31 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:08

82% of race

Time at Steady Pace

34:53

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:53:1523:067:2623:06
7:26
#9092
10K
6.21 mi11:16:2546:167:2723:10
7:27
#9539
15K
9.32 mi11:39:261:09:177:2623:01
7:25
#9452
20K
12.43 mi12:03:061:32:577:2923:40
7:37
#9641
Half
13.11 mi12:08:031:37:547:284:57
7:15
#9573
25K
15.53 mi12:26:071:55:587:2818:04
7:27
#9349
30K
18.64 mi12:50:092:20:007:3124:02
7:44
#9229
20M
20.00 mi13:00:322:30:237:3110:23
7:38
#9089
21M
21.00 mi13:08:392:38:307:338:07
8:07
#9007
35K
21.75 mi13:14:112:44:027:335:32
7:24
#8954
23M
23.00 mi13:23:442:53:357:339:33
7:38
#8829
24M
24.00 mi13:30:593:00:507:327:15
7:15
#8674
40K
24.85 mi13:37:213:07:127:326:22
7:27
#8563
25.2M
25.20 mi13:40:053:09:567:322:44
7:56
#8508
Finish
26.22 mi13:47:103:17:017:317:05
6:57
#8299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9092765276529392(Top 35%)7796(Top 51%)7796(Top 548%)
10K6.21 mi3.10 mi9539-4477897-2457897-24510102(Top 38%)8218(Top 54%)8218(Top 578%)
15K9.32 mi3.11 mi9452+877842+557842+559392(Top 35%)7796(Top 51%)7796(Top 548%)
20K12.43 mi3.11 mi9641-1897948-1067948-10610201(Top 38%)8180(Top 54%)8180(Top 575%)
Half13.11 mi0.68 mi9573+687905+437905+438222(Top 31%)7036(Top 46%)7036(Top 495%)
25K15.53 mi2.42 mi9349+2247753+1527753+1528405(Top 32%)7066(Top 47%)7066(Top 497%)
30K18.64 mi3.11 mi9229+1207644+1097644+1098885(Top 33%)7210(Top 48%)7210(Top 507%)
20M20.00 mi1.36 mi9089+1407533+1117533+1117757(Top 29%)6442(Top 42%)6442(Top 453%)
21M21.00 mi1.00 mi9007+827462+717462+718095(Top 30%)6531(Top 43%)6531(Top 459%)
35K21.75 mi0.75 mi8954+537420+427420+427753(Top 29%)6349(Top 42%)6349(Top 446%)
23M23.00 mi1.25 mi8829+1257315+1057315+1057259(Top 27%)5986(Top 39%)5986(Top 421%)
24M24.00 mi1.00 mi8674+1557203+1127203+1126045(Top 23%)5143(Top 34%)5143(Top 362%)
40K24.85 mi0.85 mi8563+1117118+857118+856365(Top 24%)5264(Top 35%)5264(Top 370%)
25.2M25.20 mi0.35 mi8508+557078+407078+406084(Top 23%)5015(Top 33%)5015(Top 353%)
Finish26.22 mi1.02 mi8299+2096919+1596919+1594936(Top 19%)4233(Top 28%)4233(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9392

Males

7796

M55-59

7796

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10102

Males

8218

M55-59

8218

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9392

Males

7796

M55-59

7796

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10201

Males

8180

M55-59

8180

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8222

Males

7036

M55-59

7036

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8405

Males

7066

M55-59

7066

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8885

Males

7210

M55-59

7210

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7757

Males

6442

M55-59

6442

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8095

Males

6531

M55-59

6531

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7753

Males

6349

M55-59

6349

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7259

Males

5986

M55-59

5986

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6045

Males

5143

M55-59

5143

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6365

Males

5264

M55-59

5264

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6084

Males

5015

M55-59

5015

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4936

Males

4233

M55-59

4233

Passing Analysis

Category:
Athletes Passed
2001*
Passed By
1208
Net Change
+793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9092
5K → 10K126573-447#9092#9539
10K → 15K206119+87#9539#9452
15K → 20K84273-189#9452#9641
20K → Half691+68#9641#9573
Half → 25K24622+224#9573#9349
25K → 30K227*107+120#9349#9229
30K → 20M15414+140#9229#9089
20M → 21M12341+82#9089#9007
21M → 35K6714+53#9007#8954
35K → 23M14823+125#8954#8829
23M → 24M1583+155#8829#8674
24M → 40K1198+111#8674#8563
40K → 25.2M605+55#8563#8508
25.2M → Finish2145+209#8508#8299
TOTALS2001*1208+793

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

📊

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