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BOSTON MARATHON 2025

Alejandro Rios

Bib: 14157•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M50-54)
#0 / 1996
Top 38%
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
7:12/mi
22:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:07:52
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:30:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:35:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:53:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:18:18
↑ 181↓ 1480.2%
20M
7:57/mi
2:29:06
↑ 64↓ 500.2%
21M
8:18/mi
2:37:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:44/mi
2:43:11
↑ 17↓ 861.7%
23M
7:58/mi
2:53:09
↑ 23↓ 630.6%
24M
8:01/mi
3:01:10
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:08:03
↓ 200.3%
25.2M
8:42/mi
3:11:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:19:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:47
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:43:33
Pace7:54 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0122:217:1222:21
7:12
-
10K
6.21 mi11:16:4545:057:1522:44
7:19
+0:07
15K
9.32 mi11:39:321:07:527:1722:47
7:20
+0:01
20K
12.43 mi12:02:281:30:487:1822:56
7:23
+0:03
Half
13.11 mi12:07:271:35:477:184:59
7:18
-0:05
25K
15.53 mi12:25:381:53:587:2018:11
7:30
+0:12
30K
18.64 mi12:49:582:18:187:2524:20
7:50
+0:20
20M
20.00 mi13:00:462:29:067:2710:48
7:57
+0:07
21M
21.00 mi13:09:042:37:247:308:18
8:18
+0:21
35K
21.75 mi13:14:512:43:117:305:47
7:44
-0:34
23M
23.00 mi13:24:492:53:097:329:58
7:58
+0:14
24M
24.00 mi13:32:503:01:107:338:01
8:01
+0:03
40K
24.85 mi13:39:433:08:037:346:53
8:03
+0:02
25.2M
25.20 mi13:42:433:11:037:353:00
8:42
+0:39
Finish
26.22 mi13:51:003:19:207:368:17
8:08
-0:34

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

7:12 /mi

Average Pace

7:36 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:58

57% of race

Time at Steady Pace

58:54

30% of race

Time at Slower Pace

26:28

13% of race

Average Pace: 7:36 /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 mi10:54:0122:217:1222:21
7:12
#9403
10K
6.21 mi11:16:4545:057:1522:44
7:19
#9937
15K
9.32 mi11:39:321:07:527:1722:47
7:20
#10052
20K
12.43 mi12:02:281:30:487:1822:56
7:23
#9928
Half
13.11 mi12:07:271:35:477:184:59
7:18
#9930
25K
15.53 mi12:25:381:53:587:2018:11
7:30
#9877
30K
18.64 mi12:49:582:18:187:2524:20
7:50
#9863
20M
20.00 mi13:00:462:29:067:2710:48
7:57
#9831
21M
21.00 mi13:09:042:37:247:308:18
8:18
#9756
35K
21.75 mi13:14:512:43:117:305:47
7:44
#9757
23M
23.00 mi13:24:492:53:097:329:58
7:58
#9742
24M
24.00 mi13:32:503:01:107:338:01
8:01
#9796
40K
24.85 mi13:39:433:08:037:346:53
8:03
#9790
25.2M
25.20 mi13:42:433:11:037:353:00
8:42
#9780
Finish
26.22 mi13:51:003:19:207:368:17
8:08
#9940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi94037831783110253(Top 36%)8220(Top 51%)8220(Top 412%)
10K6.21 mi3.10 mi9937-5348137-3068137-30610480(Top 37%)8399(Top 52%)8399(Top 421%)
15K9.32 mi3.11 mi10052-1158160-238160-2310253(Top 36%)8220(Top 51%)8220(Top 412%)
20K12.43 mi3.11 mi9928+1248074+868074+869726(Top 34%)7865(Top 49%)7865(Top 394%)
Half13.11 mi0.68 mi9930-28071+38071+39991(Top 35%)8013(Top 50%)8013(Top 401%)
25K15.53 mi2.42 mi9877+538000+718000+719932(Top 35%)7832(Top 49%)7832(Top 392%)
30K18.64 mi3.11 mi9863+147939+617939+6110155(Top 36%)7773(Top 48%)7773(Top 389%)
20M20.00 mi1.36 mi9831+327895+447895+4410069(Top 35%)7579(Top 47%)7579(Top 380%)
21M21.00 mi1.00 mi9756+757824+717824+719205(Top 32%)6935(Top 43%)6935(Top 347%)
35K21.75 mi0.75 mi9757-17797+277797+2710262(Top 36%)7496(Top 47%)7496(Top 376%)
23M23.00 mi1.25 mi9742+157740+577740+579723(Top 34%)7091(Top 44%)7091(Top 355%)
24M24.00 mi1.00 mi9796-547728+127728+1211318(Top 40%)7809(Top 48%)7809(Top 391%)
40K24.85 mi0.85 mi9790+67692+367692+3610528(Top 37%)7313(Top 45%)7313(Top 366%)
25.2M25.20 mi0.35 mi9780+107662+307662+309947(Top 35%)6923(Top 43%)6923(Top 347%)
Finish26.22 mi1.02 mi9940-1607723-617723-6113759(Top 48%)8883(Top 55%)8883(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10253

Males

8220

M50-54

8220

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10480

Males

8399

M50-54

8399

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10253

Males

8220

M50-54

8220

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9726

Males

7865

M50-54

7865

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9991

Males

8013

M50-54

8013

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9932

Males

7832

M50-54

7832

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10155

Males

7773

M50-54

7773

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

10069

Males

7579

M50-54

7579

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9205

Males

6935

M50-54

6935

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10262

Males

7496

M50-54

7496

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9723

Males

7091

M50-54

7091

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11318

Males

7809

M50-54

7809

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10528

Males

7313

M50-54

7313

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9947

Males

6923

M50-54

6923

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13759

Males

8883

M50-54

8883

Passing Analysis

Category:
Athletes Passed
1532
Passed By
2066
Net Change
-537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9403
5K → 10K79612-534#9403#9937
10K → 15K137251-115#9937#10052
15K → 20K242118+124#10052#9928
20K → Half2123-2#9928#9930
Half → 25K174121+53#9930#9877
25K → 30K238224+14#9877#9863
30K → 20M12188+32#9863#9831
20M → 21M12651+75#9831#9756
21M → 35K6162-1#9756#9757
35K → 23M118103+15#9757#9742
23M → 24M72126-54#9742#9796
24M → 40K6559+6#9796#9790
40K → 25.2M5141+10#9790#9780
25.2M → Finish27187-160#9780#9940
TOTALS15322066-537
📊

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