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BOSTON MARATHON 2025

Julio Lopez

Bib: 9910•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M45-49)
#0 / 2386
Top 50%
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
7:01/mi
21:49
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
43:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:04/mi
1:05:26
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:28:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:33:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:51:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:15:33
↑ 181↓ 1480.2%
20M
8:01/mi
2:26:26
↑ 64↓ 500.2%
21M
8:37/mi
2:35:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:40:50
↑ 17↓ 861.7%
23M
8:10/mi
2:51:04
↑ 23↓ 630.6%
24M
8:04/mi
2:59:08
↓ 821.3%
40K· 24.85 mi
8:35/mi
3:06:28
↓ 200.3%
25.2M
9:11/mi
3:09:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:18:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:05
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2921:497:0121:49
7:01
-
10K
6.21 mi11:09:1043:307:0021:41
6:59
-0:02
15K
9.32 mi11:31:061:05:267:0121:56
7:04
+0:05
20K
12.43 mi11:53:451:28:057:0522:39
7:17
+0:13
Half
13.11 mi11:58:451:33:057:065:00
7:20
+0:03
25K
15.53 mi12:16:561:51:167:1018:11
7:30
+0:10
30K
18.64 mi12:41:132:15:337:1624:17
7:49
+0:19
20M
20.00 mi12:52:062:26:267:1910:53
8:01
+0:12
21M
21.00 mi13:00:432:35:037:238:37
8:37
+0:36
35K
21.75 mi13:06:302:40:507:245:47
7:44
-0:53
23M
23.00 mi13:16:442:51:047:2610:14
8:10
+0:26
24M
24.00 mi13:24:482:59:087:288:04
8:04
-0:06
40K
24.85 mi13:32:083:06:287:307:20
8:35
+0:31
25.2M
25.20 mi13:35:183:09:387:323:10
9:11
+0:36
Finish
26.22 mi13:43:403:18:007:338:22
8:13
-0:58

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

6:59 /mi

Average Pace

7:33 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:16

56% of race

Time at Steady Pace

49:01

25% of race

Time at Slower Pace

37:43

19% of race

Average Pace: 7:33 /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 mi10:47:2921:497:0121:49
7:01
#7995
10K
6.21 mi11:09:1043:307:0021:41
6:59
#7861
15K
9.32 mi11:31:061:05:267:0121:56
7:04
#7896
20K
12.43 mi11:53:451:28:057:0522:39
7:17
#8086
Half
13.11 mi11:58:451:33:057:065:00
7:20
#8169
25K
15.53 mi12:16:561:51:167:1018:11
7:30
#8374
30K
18.64 mi12:41:132:15:337:1624:17
7:49
#8604
20M
20.00 mi12:52:062:26:267:1910:53
8:01
#8716
21M
21.00 mi13:00:432:35:037:238:37
8:37
#8831
35K
21.75 mi13:06:302:40:507:245:47
7:44
#8867
23M
23.00 mi13:16:442:51:047:2610:14
8:10
#8962
24M
24.00 mi13:24:482:59:087:288:04
8:04
#9062
40K
24.85 mi13:32:083:06:287:307:20
8:35
#9252
25.2M
25.20 mi13:35:183:09:387:323:10
9:11
#9305
Finish
26.22 mi13:43:403:18:007:338:22
8:13
#9513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7995699769978038(Top 28%)6968(Top 43%)6968(Top 292%)
10K6.21 mi3.10 mi7861+1346891+1066891+1067798(Top 27%)6841(Top 42%)6841(Top 287%)
15K9.32 mi3.11 mi7896-356918-276918-278038(Top 28%)6968(Top 43%)6968(Top 292%)
20K12.43 mi3.11 mi8086-1907012-947012-948968(Top 32%)7436(Top 46%)7436(Top 312%)
Half13.11 mi0.68 mi8169-837051-397051-3910193(Top 36%)8109(Top 50%)8109(Top 340%)
25K15.53 mi2.42 mi8374-2057160-1097160-1099924(Top 35%)7824(Top 49%)7824(Top 328%)
30K18.64 mi3.11 mi8604-2307245-857245-8510063(Top 35%)7717(Top 48%)7717(Top 323%)
20M20.00 mi1.36 mi8716-1127268-237268-2310480(Top 37%)7773(Top 48%)7773(Top 326%)
21M21.00 mi1.00 mi8831-1157310-427310-4211162(Top 39%)7947(Top 49%)7947(Top 333%)
35K21.75 mi0.75 mi8867-367304+67304+610253(Top 36%)7487(Top 46%)7487(Top 314%)
23M23.00 mi1.25 mi8962-957310-67310-611179(Top 39%)7831(Top 49%)7831(Top 328%)
24M24.00 mi1.00 mi9062-1007343-337343-3311667(Top 41%)7982(Top 50%)7982(Top 335%)
40K24.85 mi0.85 mi9252-1907410-677410-6713884(Top 49%)8933(Top 55%)8933(Top 374%)
25.2M25.20 mi0.35 mi9305-537417-77417-712733(Top 45%)8318(Top 52%)8318(Top 349%)
Finish26.22 mi1.02 mi9513-2087489-727489-7214296(Top 50%)9150(Top 57%)9150(Top 383%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

8038

Males

6968

M45-49

6968

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7798

Males

6841

M45-49

6841

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

8038

Males

6968

M45-49

6968

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8968

Males

7436

M45-49

7436

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10193

Males

8109

M45-49

8109

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9924

Males

7824

M45-49

7824

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10063

Males

7717

M45-49

7717

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10480

Males

7773

M45-49

7773

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11162

Males

7947

M45-49

7947

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10253

Males

7487

M45-49

7487

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11179

Males

7831

M45-49

7831

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11667

Males

7982

M45-49

7982

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13884

Males

8933

M45-49

8933

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12733

Males

8318

M45-49

8318

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14296

Males

9150

M45-49

9150

Passing Analysis

Category:
Athletes Passed
1117
Passed By
2635
Net Change
-1518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7995
5K → 10K283149+134#7995#7861
10K → 15K129164-35#7861#7896
15K → 20K83273-190#7896#8086
20K → Half992-83#8086#8169
Half → 25K72277-205#8169#8374
25K → 30K143373-230#8374#8604
30K → 20M67179-112#8604#8716
20M → 21M61176-115#8716#8831
21M → 35K4783-36#8831#8867
35K → 23M88183-95#8867#8962
23M → 24M43143-100#8962#9062
24M → 40K42232-190#9062#9252
40K → 25.2M2376-53#9252#9305
25.2M → Finish27235-208#9305#9513
TOTALS11172635-1518
📊

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