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BOSTON MARATHON 2025

Argenis Alvarez Rojas

Bib: 29586•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:54
Rank: #20784
Start → 5K
26:54 | 8:39/mi
10K· 6.21 mi
54:07
Rank: #20952 (-168)
5K → 10K
27:13 | 8:46/mi
15K· 9.32 mi
1:21:22
Rank: #20901 (+51)
10K → 15K
27:15 | 8:46/mi
20K· 12.43 mi
1:48:40
Rank: #20650 (+251)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:54:35
Rank: #20621 (+29)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:16:38
Rank: #20602 (+19)
Half → 25K
22:03 | 9:06/mi
30K· 18.64 mi
2:46:17
Rank: #20480 (+122)
25K → 30K
29:39 | 9:33/mi
20M
2:59:32
Rank: #20446 (+34)
30K → 20M
13:15 | 9:45/mi
21M
3:10:26
Rank: #20505 (-59)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:17:24
Rank: #20484 (+21)
21M → 35K
6:58 | 9:19/mi
23M
3:29:23
Rank: #20395 (+89)
35K → 23M
11:59 | 9:34/mi
24M
3:38:47
Rank: #20366 (+29)
23M → 24M
9:24 | 9:24/mi
40K· 24.85 mi
3:46:53
Rank: #20309 (+57)
24M → 40K
8:06 | 9:28/mi
25.2M
3:50:38
Rank: #20328 (-19)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:59:35
Rank: #20273 (+55)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:35
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:05:00
Pace9:32 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3626:548:3926:54
8:39
-
10K
6.21 mi12:12:4954:078:4327:13
8:46
+0:07
15K
9.32 mi12:40:041:21:228:4427:15
8:46
0:00
20K
12.43 mi13:07:221:48:408:4527:18
8:47
+0:01
Half
13.11 mi13:13:171:54:358:445:55
8:40
-0:07
25K
15.53 mi13:35:202:16:388:4822:03
9:06
+0:26
30K
18.64 mi14:04:592:46:178:5529:39
9:33
+0:27
20M
20.00 mi14:18:142:59:328:5913:15
9:45
+0:12
21M
21.00 mi14:29:083:10:269:0410:54
10:54
+1:09
35K
21.75 mi14:36:063:17:249:056:58
9:19
-1:35
23M
23.00 mi14:48:053:29:239:0611:59
9:34
+0:15
24M
24.00 mi14:57:293:38:479:079:24
9:24
-0:10
40K
24.85 mi15:05:353:46:539:088:06
9:28
+0:04
25.2M
25.20 mi15:09:203:50:389:093:45
10:52
+1:24
Finish
26.22 mi15:18:173:59:359:098:57
8:47
-2:05

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

8:39 /mi

Average Pace

9:09 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:32

52% of race

Time at Steady Pace

1:28:09

37% of race

Time at Slower Pace

27:54

12% of race

Average Pace: 9:08 /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 mi11:45:3626:548:3926:54
8:39
#20784
10K
6.21 mi12:12:4954:078:4327:13
8:46
#20952
15K
9.32 mi12:40:041:21:228:4427:15
8:46
#20901
20K
12.43 mi13:07:221:48:408:4527:18
8:47
#20650
Half
13.11 mi13:13:171:54:358:445:55
8:40
#20621
25K
15.53 mi13:35:202:16:388:4822:03
9:06
#20602
30K
18.64 mi14:04:592:46:178:5529:39
9:33
#20480
20M
20.00 mi14:18:142:59:328:5913:15
9:45
#20446
21M
21.00 mi14:29:083:10:269:0410:54
10:54
#20505
35K
21.75 mi14:36:063:17:249:056:58
9:19
#20484
23M
23.00 mi14:48:053:29:239:0611:59
9:34
#20395
24M
24.00 mi14:57:293:38:479:079:24
9:24
#20366
40K
24.85 mi15:05:353:46:539:088:06
9:28
#20309
25.2M
25.20 mi15:09:203:50:389:093:45
10:52
#20328
Finish
26.22 mi15:18:173:59:359:098:57
8:47
#20273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20784127641276420869(Top 73%)12884(Top 80%)12884(Top 540%)
10K6.21 mi3.10 mi20952-16812867-10312867-10321198(Top 75%)13000(Top 81%)13000(Top 545%)
15K9.32 mi3.11 mi20901+5112854+1312854+1320869(Top 73%)12884(Top 80%)12884(Top 540%)
20K12.43 mi3.11 mi20650+25112750+10412750+10419870(Top 70%)12403(Top 77%)12403(Top 520%)
Half13.11 mi0.68 mi20621+2912740+1012740+1020167(Top 71%)12535(Top 78%)12535(Top 525%)
25K15.53 mi2.42 mi20602+1912721+1912721+1920331(Top 72%)12563(Top 78%)12563(Top 527%)
30K18.64 mi3.11 mi20480+12212619+10212619+10220108(Top 71%)12339(Top 77%)12339(Top 517%)
20M20.00 mi1.36 mi20446+3412584+3512584+3520107(Top 71%)12200(Top 76%)12200(Top 511%)
21M21.00 mi1.00 mi20505-5912595-1112595-1121116(Top 74%)12552(Top 78%)12552(Top 526%)
35K21.75 mi0.75 mi20484+2112572+2312572+2319610(Top 69%)11787(Top 73%)11787(Top 494%)
23M23.00 mi1.25 mi20395+8912508+6412508+6418973(Top 67%)11427(Top 71%)11427(Top 479%)
24M24.00 mi1.00 mi20366+2912479+2912479+2919222(Top 68%)11515(Top 71%)11515(Top 483%)
40K24.85 mi0.85 mi20309+5712432+4712432+4718603(Top 65%)11130(Top 69%)11130(Top 466%)
25.2M25.20 mi0.35 mi20328-1912433-112433-120233(Top 71%)11902(Top 74%)11902(Top 499%)
Finish26.22 mi1.02 mi20273+5512397+3612397+3617944(Top 63%)10855(Top 67%)10855(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20869

Males

12884

M45-49

12884

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21198

Males

13000

M45-49

13000

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20869

Males

12884

M45-49

12884

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19870

Males

12403

M45-49

12403

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20167

Males

12535

M45-49

12535

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20331

Males

12563

M45-49

12563

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20108

Males

12339

M45-49

12339

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20107

Males

12200

M45-49

12200

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21116

Males

12552

M45-49

12552

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19610

Males

11787

M45-49

11787

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18973

Males

11427

M45-49

11427

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19222

Males

11515

M45-49

11515

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18603

Males

11130

M45-49

11130

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20233

Males

11902

M45-49

11902

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17944

Males

10855

M45-49

10855

Passing Analysis

Category:
Athletes Passed
1850
Passed By
1339
Net Change
+511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20784
5K → 10K197365-168#20784#20952
10K → 15K210159+51#20952#20901
15K → 20K31968+251#20901#20650
20K → Half4718+29#20650#20621
Half → 25K165146+19#20621#20602
25K → 30K280158+122#20602#20480
30K → 20M11884+34#20480#20446
20M → 21M63122-59#20446#20505
21M → 35K6342+21#20505#20484
35K → 23M12940+89#20484#20395
23M → 24M6637+29#20395#20366
24M → 40K8629+57#20366#20309
40K → 25.2M2039-19#20309#20328
25.2M → Finish8732+55#20328#20273
TOTALS18501339+511
📊

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