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BOSTON MARATHON 2025

Juan Huizar

Bib: 10806•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
48:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:11:08
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:34:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:39:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:21:50
↑ 181↓ 1480.2%
20M
7:53/mi
2:32:33
↑ 64↓ 500.2%
21M
8:19/mi
2:40:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:46:33
↑ 17↓ 861.7%
23M
7:48/mi
2:56:19
↑ 23↓ 630.6%
24M
7:39/mi
3:03:58
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:10:31
↓ 200.3%
25.2M
8:04/mi
3:13:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:20:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:31
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:41:13
Pace7:43 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2724:177:4924:17
7:49
-
10K
6.21 mi11:39:1348:037:4423:46
7:39
-0:10
15K
9.32 mi12:02:181:11:087:3823:05
7:26
-0:13
20K
12.43 mi12:25:371:34:277:3623:19
7:30
+0:04
Half
13.11 mi12:30:411:39:317:355:04
7:26
-0:04
25K
15.53 mi12:48:561:57:467:3518:15
7:32
+0:06
30K
18.64 mi13:13:002:21:507:3724:04
7:45
+0:13
20M
20.00 mi13:23:432:32:337:3810:43
7:53
+0:08
21M
21.00 mi13:32:022:40:527:408:19
8:19
+0:26
35K
21.75 mi13:37:432:46:337:395:41
7:36
-0:43
23M
23.00 mi13:47:292:56:197:409:46
7:48
+0:12
24M
24.00 mi13:55:083:03:587:407:39
7:39
-0:09
40K
24.85 mi14:01:413:10:317:406:33
7:40
+0:01
25.2M
25.20 mi14:04:283:13:187:402:47
8:04
+0:24
Finish
26.22 mi14:11:543:20:447:407:26
7:18
-0:46

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

7:18 /mi

Average Pace

7:40 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:38

94% of race

Time at Steady Pace

11:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:39 /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 mi11:15:2724:177:4924:17
7:49
#14934
10K
6.21 mi11:39:1348:037:4423:46
7:39
#14164
15K
9.32 mi12:02:181:11:087:3823:05
7:26
#13144
20K
12.43 mi12:25:371:34:277:3623:19
7:30
#12490
Half
13.11 mi12:30:411:39:317:355:04
7:26
#12416
25K
15.53 mi12:48:561:57:467:3518:15
7:32
#12012
30K
18.64 mi13:13:002:21:507:3724:04
7:45
#11489
20M
20.00 mi13:23:432:32:337:3810:43
7:53
#11309
21M
21.00 mi13:32:022:40:527:408:19
8:19
#11149
35K
21.75 mi13:37:432:46:337:395:41
7:36
#11060
23M
23.00 mi13:47:292:56:197:409:46
7:48
#10867
24M
24.00 mi13:55:083:03:587:407:39
7:39
#10738
40K
24.85 mi14:01:413:10:317:406:33
7:40
#10597
25.2M
25.20 mi14:04:283:13:187:402:47
8:04
#10497
Finish
26.22 mi14:11:543:20:447:407:26
7:18
#10356
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14934103981039811137(Top 39%)8667(Top 54%)8667(Top 363%)
10K6.21 mi3.10 mi14164+77010082+31610082+31613439(Top 47%)9770(Top 61%)9770(Top 409%)
15K9.32 mi3.11 mi13144+10209629+4539629+45311137(Top 39%)8667(Top 54%)8667(Top 363%)
20K12.43 mi3.11 mi12490+6549314+3159314+31510805(Top 38%)8404(Top 52%)8404(Top 352%)
Half13.11 mi0.68 mi12416+749279+359279+3511042(Top 39%)8558(Top 53%)8558(Top 359%)
25K15.53 mi2.42 mi12012+4049052+2279052+22710184(Top 36%)7979(Top 50%)7979(Top 334%)
30K18.64 mi3.11 mi11489+5238733+3198733+3199519(Top 34%)7441(Top 46%)7441(Top 312%)
20M20.00 mi1.36 mi11309+1808608+1258608+1259609(Top 34%)7322(Top 45%)7322(Top 307%)
21M21.00 mi1.00 mi11149+1608490+1188490+1189317(Top 33%)7001(Top 43%)7001(Top 293%)
35K21.75 mi0.75 mi11060+898424+668424+669307(Top 33%)7013(Top 44%)7013(Top 294%)
23M23.00 mi1.25 mi10867+1938295+1298295+1298583(Top 30%)6490(Top 40%)6490(Top 272%)
24M24.00 mi1.00 mi10738+1298195+1008195+1008768(Top 31%)6535(Top 41%)6535(Top 274%)
40K24.85 mi0.85 mi10597+1418101+948101+947828(Top 28%)5903(Top 37%)5903(Top 247%)
25.2M25.20 mi0.35 mi10497+1008039+628039+626333(Top 22%)4966(Top 31%)4966(Top 208%)
Finish26.22 mi1.02 mi10356+1417932+1077932+1077739(Top 27%)5768(Top 36%)5768(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11137

Males

8667

M45-49

8667

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13439

Males

9770

M45-49

9770

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11137

Males

8667

M45-49

8667

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10805

Males

8404

M45-49

8404

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11042

Males

8558

M45-49

8558

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10184

Males

7979

M45-49

7979

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9519

Males

7441

M45-49

7441

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9609

Males

7322

M45-49

7322

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9317

Males

7001

M45-49

7001

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9307

Males

7013

M45-49

7013

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8583

Males

6490

M45-49

6490

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8768

Males

6535

M45-49

6535

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7828

Males

5903

M45-49

5903

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6333

Males

4966

M45-49

4966

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7739

Males

5768

M45-49

5768

Passing Analysis

Category:
Athletes Passed
4840
Passed By
262
Net Change
+4578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14934
5K → 10K83060+770#14934#14164
10K → 15K10244+1020#14164#13144
15K → 20K66410+654#13144#12490
20K → Half817+74#12490#12416
Half → 25K41612+404#12416#12012
25K → 30K54118+523#12012#11489
30K → 20M20828+180#11489#11309
20M → 21M18929+160#11309#11149
21M → 35K10819+89#11149#11060
35K → 23M21623+193#11060#10867
23M → 24M14617+129#10867#10738
24M → 40K15110+141#10738#10597
40K → 25.2M1044+100#10597#10497
25.2M → Finish16221+141#10497#10356
TOTALS4840262+4578
📊

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