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BOSTON MARATHON 2025

German Perez

Bib: 29716•M

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
7:54/mi
24:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
47:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:35:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:40:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:00:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:27:50
↑ 181↓ 1480.2%
20M
9:05/mi
2:40:11
↑ 64↓ 500.2%
21M
10:19/mi
2:50:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
2:57:21
↑ 17↓ 861.7%
23M
9:29/mi
3:09:14
↑ 23↓ 630.6%
24M
9:13/mi
3:18:27
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:26:32
↓ 200.3%
25.2M
10:32/mi
3:30:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:38:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:33
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:58:03
Pace9:00 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1724:347:5424:34
7:54
-
10K
6.21 mi12:10:0947:267:3822:52
7:22
-0:32
15K
9.32 mi12:33:581:11:157:3923:49
7:40
+0:18
20K
12.43 mi12:58:041:35:217:4024:06
7:45
+0:05
Half
13.11 mi13:03:161:40:337:405:12
7:37
-0:08
25K
15.53 mi13:23:062:00:237:4519:50
8:11
+0:34
30K
18.64 mi13:50:332:27:507:5627:27
8:50
+0:39
20M
20.00 mi14:02:542:40:118:0112:21
9:05
+0:15
21M
21.00 mi14:13:132:50:308:0710:19
10:19
+1:14
35K
21.75 mi14:20:042:57:218:096:51
9:09
-1:10
23M
23.00 mi14:31:573:09:148:1411:53
9:29
+0:20
24M
24.00 mi14:41:103:18:278:169:13
9:13
-0:16
40K
24.85 mi14:49:153:26:328:198:05
9:27
+0:14
25.2M
25.20 mi14:52:533:30:108:203:38
10:32
+1:05
Finish
26.22 mi15:01:193:38:368:218:26
8:17
-2:15

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

7:22 /mi

Average Pace

8:21 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:49

59% of race

Time at Steady Pace

55:52

26% of race

Time at Slower Pace

33:55

16% of race

Average Pace: 8:20 /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 mi11:47:1724:347:5424:34
7:54
#15750
10K
6.21 mi12:10:0947:267:3822:52
7:22
#13338
15K
9.32 mi12:33:581:11:157:3923:49
7:40
#13264
20K
12.43 mi12:58:041:35:217:4024:06
7:45
#13131
Half
13.11 mi13:03:161:40:337:405:12
7:37
#13100
25K
15.53 mi13:23:062:00:237:4519:50
8:11
#13425
30K
18.64 mi13:50:332:27:507:5627:27
8:50
#14123
20M
20.00 mi14:02:542:40:118:0112:21
9:05
#14404
21M
21.00 mi14:13:132:50:308:0710:19
10:19
#14803
35K
21.75 mi14:20:042:57:218:096:51
9:09
#14986
23M
23.00 mi14:31:573:09:148:1411:53
9:29
#15240
24M
24.00 mi14:41:103:18:278:169:13
9:13
#15378
40K
24.85 mi14:49:153:26:328:198:05
9:27
#15491
25.2M
25.20 mi14:52:533:30:108:203:38
10:32
#15551
Finish
26.22 mi15:01:193:38:368:218:26
8:17
#15515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15750107131071313173(Top 46%)9594(Top 60%)9594(Top 170%)
10K6.21 mi3.10 mi13338+24129751+9629751+96210828(Top 38%)8585(Top 53%)8585(Top 152%)
15K9.32 mi3.11 mi13264+749675+769675+7613173(Top 46%)9594(Top 60%)9594(Top 170%)
20K12.43 mi3.11 mi13131+1339578+979578+9712911(Top 45%)9385(Top 58%)9385(Top 166%)
Half13.11 mi0.68 mi13100+319560+189560+1812746(Top 45%)9369(Top 58%)9369(Top 166%)
25K15.53 mi2.42 mi13425-3259664-1049664-10415162(Top 53%)10299(Top 64%)10299(Top 183%)
30K18.64 mi3.11 mi14123-6989906-2429906-24216797(Top 59%)10829(Top 67%)10829(Top 192%)
20M20.00 mi1.36 mi14404-2819997-919997-9117236(Top 61%)10915(Top 68%)10915(Top 193%)
21M21.00 mi1.00 mi14803-39910149-15210149-15219410(Top 68%)11791(Top 73%)11791(Top 209%)
35K21.75 mi0.75 mi14986-18310215-6610215-6618950(Top 67%)11464(Top 71%)11464(Top 203%)
23M23.00 mi1.25 mi15240-25410281-6610281-6618631(Top 66%)11269(Top 70%)11269(Top 200%)
24M24.00 mi1.00 mi15378-13810308-2710308-2718399(Top 65%)11100(Top 69%)11100(Top 197%)
40K24.85 mi0.85 mi15491-11310326-1810326-1818495(Top 65%)11062(Top 69%)11062(Top 196%)
25.2M25.20 mi0.35 mi15551-6010342-1610342-1619080(Top 67%)11338(Top 70%)11338(Top 201%)
Finish26.22 mi1.02 mi15515+3610312+3010312+3014751(Top 52%)9371(Top 58%)9371(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13173

Males

9594

M18-39

9594

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10828

Males

8585

M18-39

8585

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13173

Males

9594

M18-39

9594

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12911

Males

9385

M18-39

9385

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12746

Males

9369

M18-39

9369

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15162

Males

10299

M18-39

10299

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16797

Males

10829

M18-39

10829

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17236

Males

10915

M18-39

10915

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19410

Males

11791

M18-39

11791

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18950

Males

11464

M18-39

11464

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18631

Males

11269

M18-39

11269

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18399

Males

11100

M18-39

11100

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18495

Males

11062

M18-39

11062

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19080

Males

11338

M18-39

11338

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14751

Males

9371

M18-39

9371

Passing Analysis

Category:
Athletes Passed
3495
Passed By
3260
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15750
5K → 10K24175+2412#15750#13338
10K → 15K232158+74#13338#13264
15K → 20K266133+133#13264#13131
20K → Half5221+31#13131#13100
Half → 25K84409-325#13100#13425
25K → 30K107805-698#13425#14123
30K → 20M51332-281#14123#14404
20M → 21M34433-399#14404#14803
21M → 35K25208-183#14803#14986
35K → 23M54308-254#14986#15240
23M → 24M39177-138#15240#15378
24M → 40K39152-113#15378#15491
40K → 25.2M1575-60#15491#15551
25.2M → Finish8044+36#15551#15515
TOTALS34953260+235
📊

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