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BOSTON MARATHON 2025

Andrew Louie

Bib: 11058•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M50-54)
#0 / 1996
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:40
Rank: #13256
Start → 5K
23:40 | 7:37/mi
10K· 6.21 mi
46:37
Rank: #12144 (+1112)
5K → 10K
22:57 | 7:23/mi
15K· 9.32 mi
1:09:46
Rank: #11854 (+290)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:37
Rank: #11249 (+605)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:37:33
Rank: #11144 (+105)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:55:41
Rank: #10864 (+280)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:19:39
Rank: #10504 (+360)
25K → 30K
23:58 | 7:43/mi
20M
2:30:13
Rank: #10340 (+164)
30K → 20M
10:34 | 7:47/mi
21M
2:38:25
Rank: #10192 (+148)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:43:47
Rank: #10008 (+184)
21M → 35K
5:22 | 7:10/mi
23M
2:53:13
Rank: #9764 (+244)
35K → 23M
9:26 | 7:32/mi
24M
3:00:33
Rank: #9582 (+182)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:06:53
Rank: #9404 (+178)
24M → 40K
6:20 | 7:24/mi
25.2M
3:09:50
Rank: #9374 (+30)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:17:31
Rank: #9372 (+2)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:33
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:39:58
Pace7:38 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3123:407:3723:40
7:37
-
10K
6.21 mi11:13:2846:377:3022:57
7:23
-0:14
15K
9.32 mi11:36:371:09:467:2923:09
7:27
+0:04
20K
12.43 mi11:59:281:32:377:2722:51
7:21
-0:06
Half
13.11 mi12:04:241:37:337:264:56
7:14
-0:07
25K
15.53 mi12:22:321:55:417:2718:08
7:29
+0:15
30K
18.64 mi12:46:302:19:397:2923:58
7:43
+0:14
20M
20.00 mi12:57:042:30:137:3110:34
7:47
+0:04
21M
21.00 mi13:05:162:38:257:338:12
8:12
+0:25
35K
21.75 mi13:10:382:43:477:325:22
7:10
-1:02
23M
23.00 mi13:20:042:53:137:329:26
7:32
+0:22
24M
24.00 mi13:27:243:00:337:317:20
7:20
-0:12
40K
24.85 mi13:33:443:06:537:316:20
7:24
+0:04
25.2M
25.20 mi13:36:413:09:507:322:57
8:33
+1:09
Finish
26.22 mi13:44:223:17:317:327:41
7:32
-1:01

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

7:10 /mi

Average Pace

7:32 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:22

94% of race

Time at Steady Pace

8:12

4% of race

Time at Slower Pace

2:57

1% of race

Average Pace: 7:32 /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 mi10:50:3123:407:3723:40
7:37
#13256
10K
6.21 mi11:13:2846:377:3022:57
7:23
#12144
15K
9.32 mi11:36:371:09:467:2923:09
7:27
#11854
20K
12.43 mi11:59:281:32:377:2722:51
7:21
#11249
Half
13.11 mi12:04:241:37:337:264:56
7:14
#11144
25K
15.53 mi12:22:321:55:417:2718:08
7:29
#10864
30K
18.64 mi12:46:302:19:397:2923:58
7:43
#10504
20M
20.00 mi12:57:042:30:137:3110:34
7:47
#10340
21M
21.00 mi13:05:162:38:257:338:12
8:12
#10192
35K
21.75 mi13:10:382:43:477:325:22
7:10
#10008
23M
23.00 mi13:20:042:53:137:329:26
7:32
#9764
24M
24.00 mi13:27:243:00:337:317:20
7:20
#9582
40K
24.85 mi13:33:443:06:537:316:20
7:24
#9404
25.2M
25.20 mi13:36:413:09:507:322:57
8:33
#9374
Finish
26.22 mi13:44:223:17:317:327:41
7:32
#9372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi132569745974511323(Top 40%)8746(Top 54%)8746(Top 438%)
10K6.21 mi3.10 mi12144+11129224+5219224+52111053(Top 39%)8687(Top 54%)8687(Top 435%)
15K9.32 mi3.11 mi11854+2909075+1499075+14911323(Top 40%)8746(Top 54%)8746(Top 438%)
20K12.43 mi3.11 mi11249+6058740+3358740+3359493(Top 33%)7734(Top 48%)7734(Top 387%)
Half13.11 mi0.68 mi11144+1058688+528688+529312(Top 33%)7655(Top 48%)7655(Top 384%)
25K15.53 mi2.42 mi10864+2808521+1678521+1679782(Top 34%)7747(Top 48%)7747(Top 388%)
30K18.64 mi3.11 mi10504+3608267+2548267+2549274(Top 33%)7297(Top 45%)7297(Top 366%)
20M20.00 mi1.36 mi10340+1648142+1258142+1258856(Top 31%)6922(Top 43%)6922(Top 347%)
21M21.00 mi1.00 mi10192+1488025+1178025+1178572(Top 30%)6580(Top 41%)6580(Top 330%)
35K21.75 mi0.75 mi10008+1847911+1147911+1146454(Top 23%)5368(Top 33%)5368(Top 269%)
23M23.00 mi1.25 mi9764+2447749+1627749+1626826(Top 24%)5493(Top 34%)5493(Top 275%)
24M24.00 mi1.00 mi9582+1827619+1307619+1306615(Top 23%)5309(Top 33%)5309(Top 266%)
40K24.85 mi0.85 mi9404+1787492+1277492+1276253(Top 22%)5013(Top 31%)5013(Top 251%)
25.2M25.20 mi0.35 mi9374+307458+347458+349061(Top 32%)6480(Top 40%)6480(Top 325%)
Finish26.22 mi1.02 mi9372+27417+417417+419459(Top 33%)6687(Top 42%)6687(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11323

Males

8746

M50-54

8746

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11053

Males

8687

M50-54

8687

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11323

Males

8746

M50-54

8746

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9493

Males

7734

M50-54

7734

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9312

Males

7655

M50-54

7655

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9782

Males

7747

M50-54

7747

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9274

Males

7297

M50-54

7297

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8856

Males

6922

M50-54

6922

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8572

Males

6580

M50-54

6580

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6454

Males

5368

M50-54

5368

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6826

Males

5493

M50-54

5493

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6615

Males

5309

M50-54

5309

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6253

Males

5013

M50-54

5013

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9061

Males

6480

M50-54

6480

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9459

Males

6687

M50-54

6687

Passing Analysis

Category:
Athletes Passed
4287*
Passed By
403
Net Change
+3884
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13256
5K → 10K113725+1112#13256#12144
10K → 15K35767+290#12144#11854
15K → 20K61712+605#11854#11249
20K → Half1072+105#11249#11144
Half → 25K31535+280#11144#10864
25K → 30K42868+360#10864#10504
30K → 20M20339+164#10504#10340
20M → 21M17830+148#10340#10192
21M → 35K1862+184#10192#10008
35K → 23M254*10+244#10008#9764
23M → 24M19614+182#9764#9582
24M → 40K1813+178#9582#9404
40K → 25.2M5727+30#9404#9374
25.2M → Finish7169+2#9374#9372
TOTALS4287*403+3884

* 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