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BOSTON MARATHON 2023

Philip Lam

Bib: 26826•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:44
Rank: #24787
Start → 5K
32:44 | 10:32/mi
10K· 6.21 mi
1:04:59
Rank: #24628 (+159)
5K → 10K
32:15 | 10:23/mi
15K· 9.32 mi
1:37:12
Rank: #24500 (+128)
10K → 15K
32:13 | 10:22/mi
20K· 12.43 mi
2:10:13
Rank: #24379 (+121)
15K → 20K
33:01 | 10:38/mi
Half· 13.11 mi
2:17:34
Rank: #24394 (-15)
20K → Half
7:21 | 10:46/mi
25K· 15.53 mi
2:44:34
Rank: #24342 (+52)
Half → 25K
27:00 | 11:08/mi
30K· 18.64 mi
3:20:01
Rank: #24224 (+118)
25K → 30K
35:27 | 11:25/mi
20M
3:36:07
Rank: #24207 (+17)
30K → 20M
16:06 | 11:51/mi
21M
3:48:07
Rank: #24137 (+70)
20M → 21M
12:00 | 12:00/mi
35K· 21.75 mi
3:57:01
Rank: #24161 (-24)
21M → 35K
8:54 | 11:54/mi
23M
4:13:12
Rank: #24238 (-77)
35K → 23M
16:11 | 12:56/mi
24M
4:24:58
Rank: #24245 (-7)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
4:35:33
Rank: #24263 (-18)
24M → 40K
10:35 | 12:23/mi
25.2M
4:40:02
Rank: #24256 (+7)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:51:36
Rank: #24283 (-27)
25.2M → Finish
11:34 | 11:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:34
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:34:02
Pace11:45 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0532:4410:3232:44
10:32
-
10K
6.21 mi12:21:201:04:5910:2732:15
10:23
-0:09
15K
9.32 mi12:53:331:37:1210:2632:13
10:22
-0:01
20K
12.43 mi13:26:342:10:1310:2933:01
10:38
+0:16
Half
13.11 mi13:33:552:17:3410:307:21
10:46
+0:08
25K
15.53 mi14:00:552:44:3410:3627:00
11:08
+0:22
30K
18.64 mi14:36:223:20:0110:4435:27
11:25
+0:17
20M
20.00 mi14:52:283:36:0710:4816:06
11:51
+0:26
21M
21.00 mi15:04:283:48:0710:5212:00
12:00
+0:09
35K
21.75 mi15:13:223:57:0110:548:54
11:54
-0:06
23M
23.00 mi15:29:334:13:1211:0116:11
12:56
+1:02
24M
24.00 mi15:41:194:24:5811:0211:46
11:46
-1:10
40K
24.85 mi15:51:544:35:3311:0510:35
12:23
+0:37
25.2M
25.20 mi15:56:234:40:0211:074:29
13:00
+0:37
Finish
26.22 mi16:07:574:51:3611:0811:34
11:21
-1:39

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

10:22 /mi

Average Pace

11:08 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:34

47% of race

Time at Steady Pace

1:25:47

29% of race

Time at Slower Pace

1:08:15

23% of race

Average Pace: 11:07 /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 mi11:49:0532:4410:3232:44
10:32
#24787
10K
6.21 mi12:21:201:04:5910:2732:15
10:23
#24628
15K
9.32 mi12:53:331:37:1210:2632:13
10:22
#24500
20K
12.43 mi13:26:342:10:1310:2933:01
10:38
#24379
Half
13.11 mi13:33:552:17:3410:307:21
10:46
#24394
25K
15.53 mi14:00:552:44:3410:3627:00
11:08
#24342
30K
18.64 mi14:36:223:20:0110:4435:27
11:25
#24224
20M
20.00 mi14:52:283:36:0710:4816:06
11:51
#24207
21M
21.00 mi15:04:283:48:0710:5212:00
12:00
#24137
35K
21.75 mi15:13:223:57:0110:548:54
11:54
#24161
23M
23.00 mi15:29:334:13:1211:0116:11
12:56
#24238
24M
24.00 mi15:41:194:24:5811:0211:46
11:46
#24245
40K
24.85 mi15:51:544:35:3311:0510:35
12:23
#24263
25.2M
25.20 mi15:56:234:40:0211:074:29
13:00
#24256
Finish
26.22 mi16:07:574:51:3611:0811:34
11:21
#24283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24787144441444424214(Top 91%)14180(Top 93%)14180(Top 268%)
10K6.21 mi3.10 mi24628+15914382+6214382+6224453(Top 92%)14290(Top 94%)14290(Top 270%)
15K9.32 mi3.11 mi24500+12814317+6514317+6524214(Top 91%)14180(Top 93%)14180(Top 268%)
20K12.43 mi3.11 mi24379+12114250+6714250+6724057(Top 90%)14093(Top 93%)14093(Top 267%)
Half13.11 mi0.68 mi24394-1514256-614256-624623(Top 92%)14324(Top 94%)14324(Top 271%)
25K15.53 mi2.42 mi24342+5214222+3414222+3424174(Top 91%)14107(Top 93%)14107(Top 267%)
30K18.64 mi3.11 mi24224+11814144+7814144+7823731(Top 89%)13855(Top 91%)13855(Top 262%)
20M20.00 mi1.36 mi24207+1714128+1614128+1624002(Top 90%)13897(Top 92%)13897(Top 263%)
21M21.00 mi1.00 mi24137+7014091+3714091+3722757(Top 85%)13320(Top 88%)13320(Top 252%)
35K21.75 mi0.75 mi24161-2414097-614097-624571(Top 92%)14109(Top 93%)14109(Top 267%)
23M23.00 mi1.25 mi24238-7714123-2614123-2625011(Top 94%)14346(Top 95%)14346(Top 271%)
24M24.00 mi1.00 mi24245-714118+514118+524219(Top 91%)13913(Top 92%)13913(Top 263%)
40K24.85 mi0.85 mi24263-1814126-814126-824310(Top 91%)13947(Top 92%)13947(Top 264%)
25.2M25.20 mi0.35 mi24256+714120+614120+623960(Top 90%)13777(Top 91%)13777(Top 261%)
Finish26.22 mi1.02 mi24283-2714125-514125-524487(Top 92%)14067(Top 93%)14067(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24214

Males

14180

M18-39

14180

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24453

Males

14290

M18-39

14290

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24214

Males

14180

M18-39

14180

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

24057

Males

14093

M18-39

14093

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24623

Males

14324

M18-39

14324

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24174

Males

14107

M18-39

14107

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23731

Males

13855

M18-39

13855

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24002

Males

13897

M18-39

13897

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22757

Males

13320

M18-39

13320

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24571

Males

14109

M18-39

14109

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

25011

Males

14346

M18-39

14346

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24219

Males

13913

M18-39

13913

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24310

Males

13947

M18-39

13947

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23960

Males

13777

M18-39

13777

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24487

Males

14067

M18-39

14067

Passing Analysis

Category:
Athletes Passed
1168
Passed By
664
Net Change
+504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24787
5K → 10K278119+159#24787#24628
10K → 15K18860+128#24628#24500
15K → 20K17150+121#24500#24379
20K → Half1328-15#24379#24394
Half → 25K10048+52#24394#24342
25K → 30K18365+118#24342#24224
30K → 20M6346+17#24224#24207
20M → 21M799+70#24207#24137
21M → 35K832-24#24137#24161
35K → 23M1390-77#24161#24238
23M → 24M2229-7#24238#24245
24M → 40K2038-18#24245#24263
40K → 25.2M158+7#24263#24256
25.2M → Finish1542-27#24256#24283
TOTALS1168664+504
📊

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