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BOSTON MARATHON 2025

Dante Alcaraz

Bib: 11420•M

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M45-49)
#0 / 2386
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:05:35
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:28:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:33:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
1:51:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:17:28
↑ 181↓ 1480.2%
20M
8:17/mi
2:28:44
↑ 64↓ 500.2%
21M
9:01/mi
2:37:45
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:43:31
↑ 17↓ 861.7%
23M
8:18/mi
2:53:54
↑ 23↓ 630.6%
24M
7:50/mi
3:01:44
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:08:41
↓ 200.3%
25.2M
8:59/mi
3:11:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:20:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:20
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:46:42
Pace8:08 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4021:547:0321:54
7:03
-
10K
6.21 mi11:10:1343:277:0021:33
6:56
-0:07
15K
9.32 mi11:32:211:05:357:0222:08
7:07
+0:11
20K
12.43 mi11:55:081:28:227:0722:47
7:20
+0:13
Half
13.11 mi12:00:061:33:207:074:58
7:17
-0:03
25K
15.53 mi12:18:431:51:577:1218:37
7:41
+0:24
30K
18.64 mi12:44:142:17:287:2225:31
8:13
+0:32
20M
20.00 mi12:55:302:28:447:2611:16
8:17
+0:04
21M
21.00 mi13:04:312:37:457:319:01
9:01
+0:44
35K
21.75 mi13:10:172:43:317:315:46
7:42
-1:19
23M
23.00 mi13:20:402:53:547:3410:23
8:18
+0:36
24M
24.00 mi13:28:303:01:447:347:50
7:50
-0:28
40K
24.85 mi13:35:273:08:417:356:57
8:08
+0:18
25.2M
25.20 mi13:38:333:11:477:373:06
8:59
+0:51
Finish
26.22 mi13:46:483:20:027:388:15
8:06
-0:53

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

6:56 /mi

Average Pace

7:38 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:20

47% of race

Time at Steady Pace

47:25

24% of race

Time at Slower Pace

59:17

30% of race

Average Pace: 7:38 /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 mi10:48:4021:547:0321:54
7:03
#8210
10K
6.21 mi11:10:1343:277:0021:33
6:56
#7798
15K
9.32 mi11:32:211:05:357:0222:08
7:07
#8014
20K
12.43 mi11:55:081:28:227:0722:47
7:20
#8248
Half
13.11 mi12:00:061:33:207:074:58
7:17
#8301
25K
15.53 mi12:18:431:51:577:1218:37
7:41
#8733
30K
18.64 mi12:44:142:17:287:2225:31
8:13
#9475
20M
20.00 mi12:55:302:28:447:2611:16
8:17
#9685
21M
21.00 mi13:04:312:37:457:319:01
9:01
#9898
35K
21.75 mi13:10:172:43:317:315:46
7:42
#9902
23M
23.00 mi13:20:402:53:547:3410:23
8:18
#10017
24M
24.00 mi13:28:303:01:447:347:50
7:50
#10004
40K
24.85 mi13:35:273:08:417:356:57
8:08
#10005
25.2M
25.20 mi13:38:333:11:477:373:06
8:59
#10027
Finish
26.22 mi13:46:483:20:027:388:15
8:06
#10159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8210713271328500(Top 30%)7248(Top 45%)7248(Top 304%)
10K6.21 mi3.10 mi7798+4126853+2796853+2797519(Top 26%)6658(Top 41%)6658(Top 279%)
15K9.32 mi3.11 mi8014-2166988-1356988-1358500(Top 30%)7248(Top 45%)7248(Top 304%)
20K12.43 mi3.11 mi8248-2347103-1157103-1159308(Top 33%)7635(Top 47%)7635(Top 320%)
Half13.11 mi0.68 mi8301-537132-297132-299789(Top 34%)7917(Top 49%)7917(Top 332%)
25K15.53 mi2.42 mi8733-4327381-2497381-24911353(Top 40%)8547(Top 53%)8547(Top 358%)
30K18.64 mi3.11 mi9475-7427736-3557736-35512913(Top 45%)9090(Top 56%)9090(Top 381%)
20M20.00 mi1.36 mi9685-2107807-717807-7112394(Top 44%)8713(Top 54%)8713(Top 365%)
21M21.00 mi1.00 mi9898-2137895-887895-8813577(Top 48%)9133(Top 57%)9133(Top 383%)
35K21.75 mi0.75 mi9902-47866+297866+2910107(Top 36%)7417(Top 46%)7417(Top 311%)
23M23.00 mi1.25 mi10017-1157877-117877-1111985(Top 42%)8223(Top 51%)8223(Top 345%)
24M24.00 mi1.00 mi10004+137831+467831+4610032(Top 35%)7181(Top 45%)7181(Top 301%)
40K24.85 mi0.85 mi10005-17806+257806+2511057(Top 39%)7593(Top 47%)7593(Top 318%)
25.2M25.20 mi0.35 mi10027-227798+87798+811677(Top 41%)7811(Top 49%)7811(Top 327%)
Finish26.22 mi1.02 mi10159-1327834-367834-3613527(Top 48%)8774(Top 54%)8774(Top 368%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8500

Males

7248

M45-49

7248

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7519

Males

6658

M45-49

6658

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8500

Males

7248

M45-49

7248

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

9308

Males

7635

M45-49

7635

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9789

Males

7917

M45-49

7917

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11353

Males

8547

M45-49

8547

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12913

Males

9090

M45-49

9090

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12394

Males

8713

M45-49

8713

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13577

Males

9133

M45-49

9133

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10107

Males

7417

M45-49

7417

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11985

Males

8223

M45-49

8223

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

10032

Males

7181

M45-49

7181

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11057

Males

7593

M45-49

7593

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11677

Males

7811

M45-49

7811

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13527

Males

8774

M45-49

8774

Passing Analysis

Category:
Athletes Passed
1241
Passed By
3183
Net Change
-1949
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8210
5K → 10K47765+412#8210#7798
10K → 15K77293-216#7798#8014
15K → 20K84318-234#8014#8248
20K → Half962-53#8248#8301
Half → 25K53485-432#8301#8733
25K → 30K81823-742#8733#9475
30K → 20M55264-210#9475#9685
20M → 21M42255-213#9685#9898
21M → 35K6366-4#9898#9902
35K → 23M65178-115#9902#10017
23M → 24M9278+13#10017#10004
24M → 40K7575-1#10004#10005
40K → 25.2M3153-22#10005#10027
25.2M → Finish37168-132#10027#10159
TOTALS12413183-1949
📊

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