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BOSTON MARATHON 2025

Emanuel Lazarte Kerps

Bib: 6235•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5758
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
42:00
Rank: #5907 (-149)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:02:46
Rank: #5560 (+347)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:23:31
Rank: #5161 (+399)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:55
Rank: #5054 (+107)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:43:53
Rank: #4682 (+372)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:05:06
Rank: #4399 (+283)
25K → 30K
21:13 | 6:50/mi
20M
2:14:23
Rank: #4249 (+150)
30K → 20M
9:17 | 6:50/mi
21M
2:21:44
Rank: #4194 (+55)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:26:37
Rank: #4114 (+80)
21M → 35K
4:53 | 6:32/mi
23M
2:35:11
Rank: #4000 (+114)
35K → 23M
8:34 | 6:51/mi
24M
2:41:48
Rank: #3902 (+98)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:47:34
Rank: #3812 (+90)
24M → 40K
5:46 | 6:45/mi
25.2M
2:50:09
Rank: #3788 (+24)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:56:41
Rank: #3665 (+123)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:55
Pace6:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:46
Pace6:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2920:566:4420:56
6:44
-
10K
6.21 mi10:47:3342:006:4621:04
6:47
+0:03
15K
9.32 mi11:08:191:02:466:4420:46
6:41
-0:06
20K
12.43 mi11:29:041:23:316:4320:45
6:41
0:00
Half
13.11 mi11:33:281:27:556:424:24
6:27
-0:14
25K
15.53 mi11:49:261:43:536:4115:58
6:35
+0:08
30K
18.64 mi12:10:392:05:066:4321:13
6:50
+0:15
20M
20.00 mi12:19:562:14:236:439:17
6:50
0:00
21M
21.00 mi12:27:172:21:446:457:21
7:21
+0:31
35K
21.75 mi12:32:102:26:376:444:53
6:32
-0:49
23M
23.00 mi12:40:442:35:116:458:34
6:51
+0:19
24M
24.00 mi12:47:212:41:486:456:37
6:37
-0:14
40K
24.85 mi12:53:072:47:346:455:46
6:45
+0:08
25.2M
25.20 mi12:55:422:50:096:452:35
7:29
+0:44
Finish
26.22 mi13:02:142:56:416:456:32
6:25
-1:04

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

6:25 /mi

Average Pace

6:45 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:45

94% of race

Time at Steady Pace

9:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:26:2920:566:4420:56
6:44
#5758
10K
6.21 mi10:47:3342:006:4621:04
6:47
#5907
15K
9.32 mi11:08:191:02:466:4420:46
6:41
#5560
20K
12.43 mi11:29:041:23:316:4320:45
6:41
#5161
Half
13.11 mi11:33:281:27:556:424:24
6:27
#5054
25K
15.53 mi11:49:261:43:536:4115:58
6:35
#4682
30K
18.64 mi12:10:392:05:066:4321:13
6:50
#4399
20M
20.00 mi12:19:562:14:236:439:17
6:50
#4249
21M
21.00 mi12:27:172:21:446:457:21
7:21
#4194
35K
21.75 mi12:32:102:26:376:444:53
6:32
#4114
23M
23.00 mi12:40:442:35:116:458:34
6:51
#4000
24M
24.00 mi12:47:212:41:486:456:37
6:37
#3902
40K
24.85 mi12:53:072:47:346:455:46
6:45
#3812
25.2M
25.20 mi12:55:422:50:096:452:35
7:29
#3788
Finish
26.22 mi13:02:142:56:416:456:32
6:25
#3665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5758531053104917(Top 17%)4580(Top 28%)4580(Top 81%)
10K6.21 mi3.10 mi5907-1495430-1205430-1206144(Top 22%)5596(Top 35%)5596(Top 99%)
15K9.32 mi3.11 mi5560+3475129+3015129+3014917(Top 17%)4580(Top 28%)4580(Top 81%)
20K12.43 mi3.11 mi5161+3994785+3444785+3444229(Top 15%)3957(Top 25%)3957(Top 70%)
Half13.11 mi0.68 mi5054+1074696+894696+893352(Top 12%)3178(Top 20%)3178(Top 56%)
25K15.53 mi2.42 mi4682+3724363+3334363+3333371(Top 12%)3185(Top 20%)3185(Top 56%)
30K18.64 mi3.11 mi4399+2834110+2534110+2533615(Top 13%)3349(Top 21%)3349(Top 59%)
20M20.00 mi1.36 mi4249+1503973+1373973+1373116(Top 11%)2892(Top 18%)2892(Top 51%)
21M21.00 mi1.00 mi4194+553913+603913+603836(Top 14%)3486(Top 22%)3486(Top 62%)
35K21.75 mi0.75 mi4114+803835+783835+782593(Top 9%)2412(Top 15%)2412(Top 43%)
23M23.00 mi1.25 mi4000+1143725+1103725+1102898(Top 10%)2653(Top 16%)2653(Top 47%)
24M24.00 mi1.00 mi3902+983630+953630+952552(Top 9%)2346(Top 15%)2346(Top 42%)
40K24.85 mi0.85 mi3812+903546+843546+842574(Top 9%)2342(Top 15%)2342(Top 42%)
25.2M25.20 mi0.35 mi3788+243523+233523+233307(Top 12%)2897(Top 18%)2897(Top 51%)
Finish26.22 mi1.02 mi3665+1233411+1123411+1122356(Top 8%)2148(Top 13%)2148(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4917

Males

4580

M18-39

4580

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6144

Males

5596

M18-39

5596

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4917

Males

4580

M18-39

4580

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4229

Males

3957

M18-39

3957

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3352

Males

3178

M18-39

3178

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3371

Males

3185

M18-39

3185

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3615

Males

3349

M18-39

3349

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3116

Males

2892

M18-39

2892

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3836

Males

3486

M18-39

3486

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2593

Males

2412

M18-39

2412

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2898

Males

2653

M18-39

2653

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2552

Males

2346

M18-39

2346

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2574

Males

2342

M18-39

2342

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3307

Males

2897

M18-39

2897

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2356

Males

2148

M18-39

2148

Passing Analysis

Category:
Athletes Passed
2502
Passed By
409
Net Change
+2093
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5758
5K → 10K119268-149#5758#5907
10K → 15K36114+347#5907#5560
15K → 20K4045+399#5560#5161
20K → Half1070+107#5161#5054
Half → 25K3753+372#5054#4682
25K → 30K30522+283#4682#4399
30K → 20M16313+150#4399#4249
20M → 21M9136+55#4249#4194
21M → 35K855+80#4194#4114
35K → 23M12511+114#4114#4000
23M → 24M11012+98#4000#3902
24M → 40K955+90#3902#3812
40K → 25.2M328+24#3812#3788
25.2M → Finish1307+123#3788#3665
TOTALS2502409+2093
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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