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BOSTON MARATHON 2025

Huichao Luo

Bib: 6742•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #2891
Start → 5K
6:22/mi
19:47 split
10K· 6.21 mi
39:55
Rank: #3232 (-341)
5K → 10K
6:29/mi
20:08 split
15K· 9.32 mi
1:00:19
Rank: #3479 (-247)
10K → 15K
6:34/mi
20:24 split
20K· 12.43 mi
1:21:11
Rank: #3727 (-248)
15K → 20K
6:43/mi
20:52 split
Half· 13.11 mi
1:25:44
Rank: #3769 (-42)
20K → Half
6:40/mi
4:33 split
25K· 15.53 mi
1:42:25
Rank: #3950 (-181)
Half → 25K
6:53/mi
16:41 split
30K· 18.64 mi
2:05:20
Rank: #4520 (-570)
25K → 30K
7:23/mi
22:55 split
20M
2:15:37
Rank: #4790 (-270)
30K → 20M
7:34/mi
10:17 split
21M
2:24:09
Rank: #5133 (-343)
20M → 21M
8:32/mi
8:32 split
35K· 21.75 mi
2:30:24
Rank: #5498 (-365)
21M → 35K
8:21/mi
6:15 split
23M
2:40:52
Rank: #5772 (-274)
35K → 23M
8:22/mi
10:28 split
24M
2:49:15
Rank: #6020 (-248)
23M → 24M
8:23/mi
8:23 split
40K· 24.85 mi
2:56:51
Rank: #6296 (-276)
24M → 40K
8:53/mi
7:36 split
25.2M
3:00:25
Rank: #6442 (-146)
40K → 25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
3:09:30
Rank: #6910 (-468)
25.2M → Finish
8:55/mi
9:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:44
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:43:46
Pace7:55 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4419:476:2219:47
6:22
-
10K
6.21 mi10:45:5239:556:2520:08
6:29
+0:07
15K
9.32 mi11:06:161:00:196:2820:24
6:34
+0:05
20K
12.43 mi11:27:081:21:116:3220:52
6:43
+0:09
Half
13.11 mi11:31:411:25:446:324:33
6:40
-0:03
25K
15.53 mi11:48:221:42:256:3616:41
6:53
+0:13
30K
18.64 mi12:11:172:05:206:4322:55
7:23
+0:30
20M
20.00 mi12:21:342:15:376:4710:17
7:34
+0:11
21M
21.00 mi12:30:062:24:096:528:32
8:32
+0:58
35K
21.75 mi12:36:212:30:246:556:15
8:21
-0:11
23M
23.00 mi12:46:492:40:527:0010:28
8:22
+0:01
24M
24.00 mi12:55:122:49:157:038:23
8:23
+0:01
40K
24.85 mi13:02:482:56:517:077:36
8:53
+0:30
25.2M
25.20 mi13:06:223:00:257:103:34
10:21
+1:28
Finish
26.22 mi13:15:273:09:307:149:05
8:55
-1:26

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

6:22 /mi

Average Pace

7:14 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:25

54% of race

Time at Steady Pace

33:12

18% of race

Time at Slower Pace

53:53

28% of race

Average Pace: 7:14 /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 mi10:25:4419:476:2219:47
6:22
#2891
10K
6.21 mi10:45:5239:556:2520:08
6:29
#3232
15K
9.32 mi11:06:161:00:196:2820:24
6:34
#3479
20K
12.43 mi11:27:081:21:116:3220:52
6:43
#3727
Half
13.11 mi11:31:411:25:446:324:33
6:40
#3769
25K
15.53 mi11:48:221:42:256:3616:41
6:53
#3950
30K
18.64 mi12:11:172:05:206:4322:55
7:23
#4520
20M
20.00 mi12:21:342:15:376:4710:17
7:34
#4790
21M
21.00 mi12:30:062:24:096:528:32
8:32
#5133
35K
21.75 mi12:36:212:30:246:556:15
8:21
#5498
23M
23.00 mi12:46:492:40:527:0010:28
8:22
#5772
24M
24.00 mi12:55:122:49:157:038:23
8:23
#6020
40K
24.85 mi13:02:482:56:517:077:36
8:53
#6296
25.2M
25.20 mi13:06:223:00:257:103:34
10:21
#6442
Finish
26.22 mi13:15:273:09:307:149:05
8:55
#6910
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2891275227524001(Top 14%)3771(Top 23%)3771(Top 168%)
10K6.21 mi3.10 mi3232-3413072-3203072-3203592(Top 13%)3399(Top 21%)3399(Top 151%)
15K9.32 mi3.11 mi3479-2473303-2313303-2314001(Top 14%)3771(Top 23%)3771(Top 168%)
20K12.43 mi3.11 mi3727-2483519-2163519-2164593(Top 16%)4271(Top 27%)4271(Top 190%)
Half13.11 mi0.68 mi3769-423558-393558-395074(Top 18%)4703(Top 29%)4703(Top 209%)
25K15.53 mi2.42 mi3950-1813718-1603718-1605522(Top 19%)5012(Top 31%)5012(Top 223%)
30K18.64 mi3.11 mi4520-5704216-4984216-4986912(Top 24%)5917(Top 37%)5917(Top 263%)
20M20.00 mi1.36 mi4790-2704436-2204436-2207445(Top 26%)6105(Top 38%)6105(Top 272%)
21M21.00 mi1.00 mi5133-3434711-2754711-27510650(Top 37%)7682(Top 48%)7682(Top 342%)
35K21.75 mi0.75 mi5498-3655010-2995010-29914560(Top 51%)9514(Top 59%)9514(Top 423%)
23M23.00 mi1.25 mi5772-2745205-1955205-19512378(Top 44%)8395(Top 52%)8395(Top 374%)
24M24.00 mi1.00 mi6020-2485382-1775382-17713717(Top 48%)8995(Top 56%)8995(Top 400%)
40K24.85 mi0.85 mi6296-2765563-1815563-18115641(Top 55%)9720(Top 60%)9720(Top 433%)
25.2M25.20 mi0.35 mi6442-1465646-835646-8318363(Top 65%)10971(Top 68%)10971(Top 488%)
Finish26.22 mi1.02 mi6910-4685935-2895935-28918563(Top 65%)11143(Top 69%)11143(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

4001

Males

3771

M40-44

3771

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3592

Males

3399

M40-44

3399

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

4001

Males

3771

M40-44

3771

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4593

Males

4271

M40-44

4271

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5074

Males

4703

M40-44

4703

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5522

Males

5012

M40-44

5012

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6912

Males

5917

M40-44

5917

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7445

Males

6105

M40-44

6105

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10650

Males

7682

M40-44

7682

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14560

Males

9514

M40-44

9514

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12378

Males

8395

M40-44

8395

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13717

Males

8995

M40-44

8995

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15641

Males

9720

M40-44

9720

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18363

Males

10971

M40-44

10971

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18563

Males

11143

M40-44

11143

Passing Analysis

Category:
Athletes Passed
296
Passed By
4315
Net Change
-4019
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2891
5K → 10K41382-341#2891#3232
10K → 15K32279-247#3232#3479
15K → 20K37285-248#3479#3727
20K → Half547-42#3727#3769
Half → 25K30211-181#3769#3950
25K → 30K43613-570#3950#4520
30K → 20M17287-270#4520#4790
20M → 21M18361-343#4790#5133
21M → 35K6371-365#5133#5498
35K → 23M29303-274#5498#5772
23M → 24M14262-248#5772#6020
24M → 40K12288-276#6020#6296
40K → 25.2M5151-146#6296#6442
25.2M → Finish7475-468#6442#6910
TOTALS2964315-4019
📊

Passing Visuals

Category:
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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