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BOSTON MARATHON 2025

Alejandro Conchado

Bib: 31194•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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:15:34
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:40:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:06:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:32:38
↑ 181↓ 1480.2%
20M
8:28/mi
2:44:08
↑ 64↓ 500.2%
21M
8:52/mi
2:53:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:59:04
↑ 17↓ 861.7%
23M
8:27/mi
3:09:39
↑ 23↓ 630.6%
24M
8:13/mi
3:17:52
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:25:01
↓ 200.3%
25.2M
8:59/mi
3:28:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:35:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:22
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:49:11
Pace8:20 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1625:138:0725:13
8:07
-
10K
6.21 mi12:15:2650:238:0725:10
8:06
-0:01
15K
9.32 mi12:40:371:15:348:0625:11
8:06
0:00
20K
12.43 mi13:05:591:40:568:0725:22
8:10
+0:04
Half
13.11 mi13:11:251:46:228:075:26
7:58
-0:12
25K
15.53 mi13:31:172:06:148:0819:52
8:12
+0:14
30K
18.64 mi13:57:412:32:388:1126:24
8:30
+0:18
20M
20.00 mi14:09:112:44:088:1211:30
8:28
-0:02
21M
21.00 mi14:18:032:53:008:148:52
8:52
+0:24
35K
21.75 mi14:24:072:59:048:146:04
8:07
-0:45
23M
23.00 mi14:34:423:09:398:1510:35
8:27
+0:20
24M
24.00 mi14:42:553:17:528:158:13
8:13
-0:14
40K
24.85 mi14:50:043:25:018:157:09
8:22
+0:09
25.2M
25.20 mi14:53:103:28:078:163:06
8:59
+0:37
Finish
26.22 mi15:00:363:35:338:147:26
7:18
-1:41

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

7:18 /mi

Average Pace

8:14 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:52

6% of race

Time at Steady Pace

2:22:14

66% of race

Time at Slower Pace

1:00:27

28% of race

Average Pace: 8:13 /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 mi11:50:1625:138:0725:13
8:07
#17460
10K
6.21 mi12:15:2650:238:0725:10
8:06
#17312
15K
9.32 mi12:40:371:15:348:0625:11
8:06
#17135
20K
12.43 mi13:05:591:40:568:0725:22
8:10
#16843
Half
13.11 mi13:11:251:46:228:075:26
7:58
#16756
25K
15.53 mi13:31:172:06:148:0819:52
8:12
#16489
30K
18.64 mi13:57:412:32:388:1126:24
8:30
#16140
20M
20.00 mi14:09:112:44:088:1211:30
8:28
#15905
21M
21.00 mi14:18:032:53:008:148:52
8:52
#15671
35K
21.75 mi14:24:072:59:048:146:04
8:07
#15555
23M
23.00 mi14:34:423:09:398:1510:35
8:27
#15348
24M
24.00 mi14:42:553:17:528:158:13
8:13
#15217
40K
24.85 mi14:50:043:25:018:157:09
8:22
#15100
25.2M
25.20 mi14:53:103:28:078:163:06
8:59
#15017
Finish
26.22 mi15:00:363:35:338:147:26
7:18
#14710
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17460113961139616759(Top 59%)11119(Top 69%)11119(Top 197%)
10K6.21 mi3.10 mi17312+14811344+5211344+5217185(Top 61%)11321(Top 70%)11321(Top 201%)
15K9.32 mi3.11 mi17135+17711295+4911295+4916759(Top 59%)11119(Top 69%)11119(Top 197%)
20K12.43 mi3.11 mi16843+29211147+14811147+14816073(Top 57%)10764(Top 67%)10764(Top 191%)
Half13.11 mi0.68 mi16756+8711115+3211115+3215557(Top 55%)10585(Top 66%)10585(Top 188%)
25K15.53 mi2.42 mi16489+26710988+12710988+12715262(Top 54%)10340(Top 64%)10340(Top 183%)
30K18.64 mi3.11 mi16140+34910784+20410784+20414722(Top 52%)9931(Top 62%)9931(Top 176%)
20M20.00 mi1.36 mi15905+23510646+13810646+13813535(Top 48%)9237(Top 57%)9237(Top 164%)
21M21.00 mi1.00 mi15671+23410505+14110505+14112706(Top 45%)8702(Top 54%)8702(Top 154%)
35K21.75 mi0.75 mi15555+11610444+6110444+6112979(Top 46%)8803(Top 55%)8803(Top 156%)
23M23.00 mi1.25 mi15348+20710327+11710327+11713001(Top 46%)8698(Top 54%)8698(Top 154%)
24M24.00 mi1.00 mi15217+13110243+8410243+8412677(Top 45%)8503(Top 53%)8503(Top 151%)
40K24.85 mi0.85 mi15100+11710159+8410159+8412531(Top 44%)8301(Top 52%)8301(Top 147%)
25.2M25.20 mi0.35 mi15017+8310114+4510114+4511738(Top 41%)7872(Top 49%)7872(Top 140%)
Finish26.22 mi1.02 mi14710+3079965+1499965+1497748(Top 27%)5777(Top 36%)5777(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16759

Males

11119

M18-39

11119

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17185

Males

11321

M18-39

11321

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16759

Males

11119

M18-39

11119

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16073

Males

10764

M18-39

10764

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15557

Males

10585

M18-39

10585

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15262

Males

10340

M18-39

10340

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14722

Males

9931

M18-39

9931

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13535

Males

9237

M18-39

9237

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12706

Males

8702

M18-39

8702

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12979

Males

8803

M18-39

8803

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13001

Males

8698

M18-39

8698

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12677

Males

8503

M18-39

8503

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12531

Males

8301

M18-39

8301

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11738

Males

7872

M18-39

7872

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7748

Males

5777

M18-39

5777

Passing Analysis

Category:
Athletes Passed
3346
Passed By
596
Net Change
+2750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17460
5K → 10K356208+148#17460#17312
10K → 15K303126+177#17312#17135
15K → 20K34452+292#17135#16843
20K → Half9710+87#16843#16756
Half → 25K29932+267#16756#16489
25K → 30K41768+349#16489#16140
30K → 20M25015+235#16140#15905
20M → 21M25925+234#15905#15671
21M → 35K1237+116#15671#15555
35K → 23M22114+207#15555#15348
23M → 24M14514+131#15348#15217
24M → 40K13720+117#15217#15100
40K → 25.2M874+83#15100#15017
25.2M → Finish3081+307#15017#14710
TOTALS3346596+2750
📊

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