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BOSTON MARATHON 2025

John Hernandez

Bib: 28116•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:05/mi
28:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:48/mi
55:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:44/mi
1:22:40
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:50:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:56:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:18:42
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:48:23
↑ 181↓ 1480.2%
20M
9:52/mi
3:01:48
↑ 64↓ 500.2%
21M
10:48/mi
3:12:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:19:29
↑ 17↓ 861.7%
23M
10:22/mi
3:32:28
↑ 23↓ 630.6%
24M
9:59/mi
3:42:27
↓ 821.3%
40K· 24.85 mi
10:18/mi
3:51:15
↓ 200.3%
25.2M
11:33/mi
3:55:14
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
4:05:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:24
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:09:01
Pace9:51 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5228:129:0528:12
9:05
-
10K
6.21 mi12:13:1255:328:5627:20
8:48
-0:17
15K
9.32 mi12:40:201:22:408:5227:08
8:44
-0:04
20K
12.43 mi13:07:591:50:198:5327:39
8:54
+0:10
Half
13.11 mi13:14:041:56:248:536:05
8:55
+0:01
25K
15.53 mi13:36:222:18:428:5622:18
9:12
+0:17
30K
18.64 mi14:06:032:48:239:0229:41
9:33
+0:21
20M
20.00 mi14:19:283:01:489:0513:25
9:52
+0:19
21M
21.00 mi14:30:163:12:369:1010:48
10:48
+0:56
35K
21.75 mi14:37:093:19:299:106:53
9:12
-1:36
23M
23.00 mi14:50:083:32:289:1412:59
10:22
+1:10
24M
24.00 mi15:00:073:42:279:169:59
9:59
-0:23
40K
24.85 mi15:08:553:51:159:188:48
10:18
+0:19
25.2M
25.20 mi15:12:543:55:149:203:59
11:33
+1:15
Finish
26.22 mi15:23:054:05:259:2210:11
10:00
-1:33

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

8:44 /mi

Average Pace

9:22 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:24

47% of race

Time at Steady Pace

1:12:17

29% of race

Time at Slower Pace

56:44

23% of race

Average Pace: 9:22 /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 mi11:45:5228:129:0528:12
9:05
#22748
10K
6.21 mi12:13:1255:328:5627:20
8:48
#22140
15K
9.32 mi12:40:201:22:408:5227:08
8:44
#21645
20K
12.43 mi13:07:591:50:198:5327:39
8:54
#21316
Half
13.11 mi13:14:041:56:248:536:05
8:55
#21326
25K
15.53 mi13:36:222:18:428:5622:18
9:12
#21244
30K
18.64 mi14:06:032:48:239:0229:41
9:33
#21025
20M
20.00 mi14:19:283:01:489:0513:25
9:52
#20979
21M
21.00 mi14:30:163:12:369:1010:48
10:48
#20984
35K
21.75 mi14:37:093:19:299:106:53
9:12
#20907
23M
23.00 mi14:50:083:32:289:1412:59
10:22
#20978
24M
24.00 mi15:00:073:42:279:169:59
9:59
#20997
40K
24.85 mi15:08:553:51:159:188:48
10:18
#21016
25.2M
25.20 mi15:12:543:55:149:203:59
11:33
#21043
Finish
26.22 mi15:23:054:05:259:2210:11
10:00
#21105
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22748136441364420663(Top 73%)12793(Top 79%)12793(Top 227%)
10K6.21 mi3.10 mi22140+60813389+25513389+25521386(Top 75%)13081(Top 81%)13081(Top 232%)
15K9.32 mi3.11 mi21645+49513189+20013189+20020663(Top 73%)12793(Top 79%)12793(Top 227%)
20K12.43 mi3.11 mi21316+32913047+14213047+14220461(Top 72%)12659(Top 79%)12659(Top 224%)
Half13.11 mi0.68 mi21326-1013048-113048-121445(Top 75%)13101(Top 81%)13101(Top 232%)
25K15.53 mi2.42 mi21244+8213009+3913009+3920751(Top 73%)12753(Top 79%)12753(Top 226%)
30K18.64 mi3.11 mi21025+21912867+14212867+14220152(Top 71%)12365(Top 77%)12365(Top 219%)
20M20.00 mi1.36 mi20979+4612839+2812839+2820522(Top 72%)12375(Top 77%)12375(Top 219%)
21M21.00 mi1.00 mi20984-512817+2212817+2220831(Top 73%)12413(Top 77%)12413(Top 220%)
35K21.75 mi0.75 mi20907+7712769+4812769+4819172(Top 67%)11590(Top 72%)11590(Top 205%)
23M23.00 mi1.25 mi20978-7112774-512774-521626(Top 76%)12686(Top 79%)12686(Top 225%)
24M24.00 mi1.00 mi20997-1912759+1512759+1521313(Top 75%)12500(Top 78%)12500(Top 222%)
40K24.85 mi0.85 mi21016-1912744+1512744+1521343(Top 75%)12445(Top 77%)12445(Top 221%)
25.2M25.20 mi0.35 mi21043-2712751-712751-722159(Top 78%)12864(Top 80%)12864(Top 228%)
Finish26.22 mi1.02 mi21105-6212769-1812769-1822909(Top 81%)13225(Top 82%)13225(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20663

Males

12793

M18-39

12793

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21386

Males

13081

M18-39

13081

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20663

Males

12793

M18-39

12793

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20461

Males

12659

M18-39

12659

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21445

Males

13101

M18-39

13101

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20751

Males

12753

M18-39

12753

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20152

Males

12365

M18-39

12365

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20522

Males

12375

M18-39

12375

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20831

Males

12413

M18-39

12413

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19172

Males

11590

M18-39

11590

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21626

Males

12686

M18-39

12686

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21313

Males

12500

M18-39

12500

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21343

Males

12445

M18-39

12445

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22159

Males

12864

M18-39

12864

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22909

Males

13225

M18-39

13225

Passing Analysis

Category:
Athletes Passed
2617
Passed By
974
Net Change
+1643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22748
5K → 10K67163+608#22748#22140
10K → 15K52429+495#22140#21645
15K → 20K39162+329#21645#21316
20K → Half3343-10#21316#21326
Half → 25K184102+82#21326#21244
25K → 30K30485+219#21244#21025
30K → 20M12175+46#21025#20979
20M → 21M9297-5#20979#20984
21M → 35K9013+77#20984#20907
35K → 23M67138-71#20907#20978
23M → 24M5574-19#20978#20997
24M → 40K4059-19#20997#21016
40K → 25.2M2148-27#21016#21043
25.2M → Finish2486-62#21043#21105
TOTALS2617974+1643
📊

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