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BOSTON MARATHON 2025

Koscany Herrera Guevara

Bib: 383•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.9%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:39
Rank: #97
Start → 5K
16:39 | 5:22/mi
10K· 6.21 mi
33:32
Rank: #129 (-32)
5K → 10K
16:53 | 5:26/mi
15K· 9.32 mi
50:40
Rank: #132 (-3)
10K → 15K
17:08 | 5:31/mi
20K· 12.43 mi
1:08:29
Rank: #178 (-46)
15K → 20K
17:49 | 5:44/mi
Half· 13.11 mi
1:12:20
Rank: #180 (-2)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:26:27
Rank: #211 (-31)
Half → 25K
14:07 | 5:49/mi
30K· 18.64 mi
1:45:15
Rank: #233 (-22)
25K → 30K
18:48 | 6:03/mi
20M
1:53:21
Rank: #234 (-1)
30K → 20M
8:06 | 5:58/mi
21M
1:59:47
Rank: #247 (-13)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:04:19
Rank: #251 (-4)
21M → 35K
4:32 | 6:04/mi
23M
2:12:14
Rank: #264 (-13)
35K → 23M
7:55 | 6:19/mi
24M
2:18:03
Rank: #258 (+6)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:23:21
Rank: #262 (-4)
24M → 40K
5:18 | 6:12/mi
25.2M
2:25:45
Rank: #266 (-4)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:31:52
Rank: #268 (-2)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:20
Pace5:31 /mi
2nd Half
Distance13.11 mi
Time1:19:32
Pace6:04 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:4216:395:2216:39
5:22
-
10K
6.21 mi10:33:3533:325:2416:53
5:26
+0:04
15K
9.32 mi10:50:4350:405:2617:08
5:31
+0:05
20K
12.43 mi11:08:321:08:295:3117:49
5:44
+0:13
Half
13.11 mi11:12:231:12:205:313:51
5:39
-0:05
25K
15.53 mi11:26:301:26:275:3414:07
5:49
+0:10
30K
18.64 mi11:45:181:45:155:3918:48
6:03
+0:14
20M
20.00 mi11:53:241:53:215:408:06
5:58
-0:05
21M
21.00 mi11:59:501:59:475:426:26
6:26
+0:28
35K
21.75 mi12:04:222:04:195:434:32
6:04
-0:22
23M
23.00 mi12:12:172:12:145:457:55
6:19
+0:15
24M
24.00 mi12:18:062:18:035:455:49
5:49
-0:30
40K
24.85 mi12:23:242:23:215:465:18
6:12
+0:23
25.2M
25.20 mi12:25:482:25:455:472:24
6:58
+0:46
Finish
26.22 mi12:31:552:31:525:486:07
6:00
-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

5:22 /mi

Average Pace

5:48 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:20

48% of race

Time at Steady Pace

57:29

38% of race

Time at Slower Pace

22:03

15% of race

Average Pace: 5:48 /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 mi10:16:4216:395:2216:39
5:22
#97
10K
6.21 mi10:33:3533:325:2416:53
5:26
#129
15K
9.32 mi10:50:4350:405:2617:08
5:31
#132
20K
12.43 mi11:08:321:08:295:3117:49
5:44
#178
Half
13.11 mi11:12:231:12:205:313:51
5:39
#180
25K
15.53 mi11:26:301:26:275:3414:07
5:49
#211
30K
18.64 mi11:45:181:45:155:3918:48
6:03
#233
20M
20.00 mi11:53:241:53:215:408:06
5:58
#234
21M
21.00 mi11:59:501:59:475:426:26
6:26
#247
35K
21.75 mi12:04:222:04:195:434:32
6:04
#251
23M
23.00 mi12:12:172:12:145:457:55
6:19
#264
24M
24.00 mi12:18:062:18:035:455:49
5:49
#258
40K
24.85 mi12:23:242:23:215:465:18
6:12
#262
25.2M
25.20 mi12:25:482:25:455:472:24
6:58
#266
Finish
26.22 mi12:31:552:31:525:486:07
6:00
#268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi979696170(Top 0.6%)146(Top 0.9%)146(Top 3%)
10K6.21 mi3.10 mi129-32108-12108-12154(Top 0.5%)130(Top 0.8%)130(Top 2%)
15K9.32 mi3.11 mi132-3111-3111-3170(Top 0.6%)146(Top 0.9%)146(Top 3%)
20K12.43 mi3.11 mi178-46153-42153-42358(Top 1%)329(Top 2%)329(Top 6%)
Half13.11 mi0.68 mi180-2155-2155-2349(Top 1%)323(Top 2%)323(Top 6%)
25K15.53 mi2.42 mi211-31185-30185-30444(Top 2%)412(Top 3%)412(Top 7%)
30K18.64 mi3.11 mi233-22207-22207-22572(Top 2%)534(Top 3%)534(Top 9%)
20M20.00 mi1.36 mi234-1210-3210-3330(Top 1%)306(Top 2%)306(Top 5%)
21M21.00 mi1.00 mi247-13224-14224-14553(Top 2%)521(Top 3%)521(Top 9%)
35K21.75 mi0.75 mi251-4228-4228-4829(Top 3%)774(Top 5%)774(Top 14%)
23M23.00 mi1.25 mi264-13241-13241-13919(Top 3%)864(Top 5%)864(Top 15%)
24M24.00 mi1.00 mi258+6235+6235+6289(Top 1%)267(Top 2%)267(Top 5%)
40K24.85 mi0.85 mi262-4238-3238-3711(Top 3%)666(Top 4%)666(Top 12%)
25.2M25.20 mi0.35 mi266-4242-4242-41310(Top 5%)1197(Top 7%)1197(Top 21%)
Finish26.22 mi1.02 mi268-2245-3245-3903(Top 3%)848(Top 5%)848(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.6%
×21stories
+97ft-345ft

Overall

170

Males

146

M18-39

146

5K→10K

3.1 - 6.2 mi

Top 0.5%
×5stories
+79ft-138ft

Overall

154

Males

130

M18-39

130

10K→15K

6.2 - 9.3 mi

Top 0.6%
×3stories
+67ft-78ft

Overall

170

Males

146

M18-39

146

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

358

Males

329

M18-39

329

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

349

Males

323

M18-39

323

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

444

Males

412

M18-39

412

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

572

Males

534

M18-39

534

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

330

Males

306

M18-39

306

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

553

Males

521

M18-39

521

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

829

Males

774

M18-39

774

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

919

Males

864

M18-39

864

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

289

Males

267

M18-39

267

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

711

Males

666

M18-39

666

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1310

Males

1197

M18-39

1197

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

903

Males

848

M18-39

848

Passing Analysis

Category:
Athletes Passed
58
Passed By
229
Net Change
-171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#97
5K → 10K638-32#97#129
10K → 15K58-3#129#132
15K → 20K147-46#132#178
20K → Half13-2#178#180
Half → 25K334-31#180#211
25K → 30K426-22#211#233
30K → 20M910-1#233#234
20M → 21M518-13#234#247
21M → 35K48-4#247#251
35K → 23M316-13#251#264
23M → 24M82+6#264#258
24M → 40K59-4#258#262
40K → 25.2M15-4#262#266
25.2M → Finish35-2#266#268
TOTALS58229-171
📊

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