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BOSTON MARATHON 2025

Mario Lozada

Bib: 5691•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 23%
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
6:12/mi
19:17
↑ 97↓ 3451.5%
10K· 6.21 mi
6:09/mi
38:23
↑ 79↓ 1380.4%
15K· 9.32 mi
6:11/mi
57:37
↑ 67↓ 78
20K· 12.43 mi
6:12/mi
1:16:52
↑ 106↓ 860.1%
Half· 13.11 mi
5:59/mi
1:20:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:25/mi
1:36:31
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
1:57:07
↑ 181↓ 1480.2%
20M
6:41/mi
2:06:12
↑ 64↓ 500.2%
21M
7:07/mi
2:13:19
↑ 106↓ 241.6%
35K· 21.75 mi
6:24/mi
2:18:06
↑ 17↓ 861.7%
23M
6:33/mi
2:26:18
↑ 23↓ 630.6%
24M
6:31/mi
2:32:49
↓ 821.3%
40K· 24.85 mi
6:22/mi
2:38:16
↓ 200.3%
25.2M
7:00/mi
2:40:41
↑ 13↓ 160.2%
Finish· 26.22 mi
5:51/mi
2:46:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:57
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:25:42
Pace6:32 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1619:176:1219:17
6:12
-
10K
6.21 mi10:43:2238:236:1119:06
6:09
-0:03
15K
9.32 mi11:02:3657:376:1119:14
6:11
+0:02
20K
12.43 mi11:21:511:16:526:1119:15
6:12
+0:01
Half
13.11 mi11:25:561:20:576:104:05
5:59
-0:13
25K
15.53 mi11:41:301:36:316:1315:34
6:25
+0:26
30K
18.64 mi12:02:061:57:076:1720:36
6:38
+0:13
20M
20.00 mi12:11:112:06:126:199:05
6:41
+0:03
21M
21.00 mi12:18:182:13:196:217:07
7:07
+0:26
35K
21.75 mi12:23:052:18:066:214:47
6:24
-0:43
23M
23.00 mi12:31:172:26:186:228:12
6:33
+0:09
24M
24.00 mi12:37:482:32:496:226:31
6:31
-0:02
40K
24.85 mi12:43:152:38:166:225:27
6:22
-0:09
25.2M
25.20 mi12:45:402:40:416:232:25
7:00
+0:38
Finish
26.22 mi12:51:382:46:396:225:58
5:51
-1:09

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

5:51 /mi

Average Pace

6:22 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:55

52% of race

Time at Steady Pace

40:31

24% of race

Time at Slower Pace

39:13

24% of race

Average Pace: 6:21 /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 mi10:24:1619:176:1219:17
6:12
#1909
10K
6.21 mi10:43:2238:236:1119:06
6:09
#1769
15K
9.32 mi11:02:3657:376:1119:14
6:11
#1768
20K
12.43 mi11:21:511:16:526:1119:15
6:12
#1694
Half
13.11 mi11:25:561:20:576:104:05
5:59
#1653
25K
15.53 mi11:41:301:36:316:1315:34
6:25
#1753
30K
18.64 mi12:02:061:57:076:1720:36
6:38
#1862
20M
20.00 mi12:11:112:06:126:199:05
6:41
#1880
21M
21.00 mi12:18:182:13:196:217:07
7:07
#1898
35K
21.75 mi12:23:052:18:066:214:47
6:24
#1876
23M
23.00 mi12:31:172:26:186:228:12
6:33
#1831
24M
24.00 mi12:37:482:32:496:226:31
6:31
#1828
40K
24.85 mi12:43:152:38:166:225:27
6:22
#1772
25.2M
25.20 mi12:45:402:40:416:232:25
7:00
#1752
Finish
26.22 mi12:51:382:46:396:225:58
5:51
#1650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1909181518151822(Top 6%)1733(Top 11%)1733(Top 31%)
10K6.21 mi3.10 mi1769+1401681+1341681+1341664(Top 6%)1584(Top 10%)1584(Top 28%)
15K9.32 mi3.11 mi1768+11682-11682-11822(Top 6%)1733(Top 11%)1733(Top 31%)
20K12.43 mi3.11 mi1694+741609+731609+731572(Top 6%)1492(Top 9%)1492(Top 26%)
Half13.11 mi0.68 mi1653+411569+401569+401125(Top 4%)1067(Top 7%)1067(Top 19%)
25K15.53 mi2.42 mi1753-1001666-971666-972475(Top 9%)2353(Top 15%)2353(Top 42%)
30K18.64 mi3.11 mi1862-1091773-1071773-1072545(Top 9%)2407(Top 15%)2407(Top 43%)
20M20.00 mi1.36 mi1880-181789-161789-162396(Top 8%)2263(Top 14%)2263(Top 40%)
21M21.00 mi1.00 mi1898-181805-161805-162766(Top 10%)2569(Top 16%)2569(Top 46%)
35K21.75 mi0.75 mi1876+221781+241781+242008(Top 7%)1882(Top 12%)1882(Top 33%)
23M23.00 mi1.25 mi1831+451737+441737+441643(Top 6%)1536(Top 10%)1536(Top 27%)
24M24.00 mi1.00 mi1828+31732+51732+52126(Top 7%)1973(Top 12%)1973(Top 35%)
40K24.85 mi0.85 mi1772+561678+541678+541187(Top 4%)1109(Top 7%)1109(Top 20%)
25.2M25.20 mi0.35 mi1752+201657+211657+211525(Top 5%)1396(Top 9%)1396(Top 25%)
Finish26.22 mi1.02 mi1650+1021561+961561+96610(Top 2%)572(Top 4%)572(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1822

Males

1733

M18-39

1733

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1664

Males

1584

M18-39

1584

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1822

Males

1733

M18-39

1733

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1572

Males

1492

M18-39

1492

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1125

Males

1067

M18-39

1067

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2475

Males

2353

M18-39

2353

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2545

Males

2407

M18-39

2407

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2396

Males

2263

M18-39

2263

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2766

Males

2569

M18-39

2569

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

2008

Males

1882

M18-39

1882

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1643

Males

1536

M18-39

1536

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

2126

Males

1973

M18-39

1973

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1187

Males

1109

M18-39

1109

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1525

Males

1396

M18-39

1396

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

610

Males

572

M18-39

572

Passing Analysis

Category:
Athletes Passed
830
Passed By
571
Net Change
+259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1909
5K → 10K17737+140#1909#1769
10K → 15K6059+1#1769#1768
15K → 20K9319+74#1768#1694
20K → Half421+41#1694#1653
Half → 25K24124-100#1653#1753
25K → 30K51160-109#1753#1862
30K → 20M2341-18#1862#1880
20M → 21M3654-18#1880#1898
21M → 35K3614+22#1898#1876
35K → 23M6520+45#1876#1831
23M → 24M3734+3#1831#1828
24M → 40K582+56#1828#1772
40K → 25.2M266+20#1772#1752
25.2M → Finish1020+102#1752#1650
TOTALS830571+259
📊

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