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BOSTON MARATHON 2025

Thomas Cantara

Bib: P106•M

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 9%
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
5:43/mi
17:47
↑ 97↓ 3451.5%
10K· 6.21 mi
5:44/mi
35:35
↑ 79↓ 1380.4%
15K· 9.32 mi
5:53/mi
53:52
↑ 67↓ 78
20K· 12.43 mi
5:56/mi
1:12:19
↑ 106↓ 860.1%
Half· 13.11 mi
5:47/mi
1:16:16
↑ 19↓ 370.5%
25K· 15.53 mi
5:58/mi
1:30:43
↑ 66↓ 880.2%
30K· 18.64 mi
6:18/mi
1:50:17
↑ 181↓ 1480.2%
20M
6:25/mi
1:59:00
↑ 64↓ 500.2%
21M
6:39/mi
2:05:39
↑ 106↓ 241.6%
35K· 21.75 mi
6:00/mi
2:10:08
↑ 17↓ 861.7%
23M
6:11/mi
2:17:52
↑ 23↓ 630.6%
24M
6:07/mi
2:23:59
↓ 821.3%
40K· 24.85 mi
6:07/mi
2:29:13
↓ 200.3%
25.2M
6:43/mi
2:31:32
↑ 13↓ 160.2%
Finish· 26.22 mi
5:56/mi
2:37:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:16
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:21:19
Pace6:12 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:07:5017:475:4317:47
5:43
-
10K
6.21 mi10:25:3835:355:4417:48
5:44
+0:01
15K
9.32 mi10:43:5553:525:4718:17
5:53
+0:09
20K
12.43 mi11:02:221:12:195:4918:27
5:56
+0:03
Half
13.11 mi11:06:191:16:165:493:57
5:47
-0:09
25K
15.53 mi11:20:461:30:435:5014:27
5:58
+0:11
30K
18.64 mi11:40:201:50:175:5519:34
6:18
+0:20
20M
20.00 mi11:49:031:59:005:578:43
6:25
+0:07
21M
21.00 mi11:55:422:05:395:596:39
6:39
+0:14
35K
21.75 mi12:00:112:10:085:594:29
6:00
-0:39
23M
23.00 mi12:07:552:17:526:007:44
6:11
+0:11
24M
24.00 mi12:14:022:23:596:006:07
6:07
-0:04
40K
24.85 mi12:19:162:29:136:005:14
6:07
0:00
25.2M
25.20 mi12:21:352:31:326:012:19
6:43
+0:36
Finish
26.22 mi12:27:382:37:356:016:03
5:56
-0:47

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

5:43 /mi

Average Pace

6:01 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:20

76% of race

Time at Steady Pace

37:15

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:07:5017:475:4317:47
5:43
#466
10K
6.21 mi10:25:3835:355:4417:48
5:44
#481
15K
9.32 mi10:43:5553:525:4718:17
5:53
#539
20K
12.43 mi11:02:221:12:195:4918:27
5:56
#558
Half
13.11 mi11:06:191:16:165:493:57
5:47
#555
25K
15.53 mi11:20:461:30:435:5014:27
5:58
#567
30K
18.64 mi11:40:201:50:175:5519:34
6:18
#628
20M
20.00 mi11:49:031:59:005:578:43
6:25
#658
21M
21.00 mi11:55:422:05:395:596:39
6:39
#659
35K
21.75 mi12:00:112:10:085:594:29
6:00
#649
23M
23.00 mi12:07:552:17:526:007:44
6:11
#638
24M
24.00 mi12:14:022:23:596:006:07
6:07
#633
40K
24.85 mi12:19:162:29:136:005:14
6:07
#622
25.2M
25.20 mi12:21:352:31:326:012:19
6:43
#621
Finish
26.22 mi12:27:382:37:356:016:03
5:56
#611
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi466428428721(Top 3%)673(Top 4%)673(Top 12%)
10K6.21 mi3.10 mi481-15444-16444-16500(Top 2%)463(Top 3%)463(Top 8%)
15K9.32 mi3.11 mi539-58500-56500-56721(Top 3%)673(Top 4%)673(Top 12%)
20K12.43 mi3.11 mi558-19515-15515-15710(Top 2%)663(Top 4%)663(Top 12%)
Half13.11 mi0.68 mi555+3513+2513+2563(Top 2%)529(Top 3%)529(Top 9%)
25K15.53 mi2.42 mi567-12522-9522-9702(Top 2%)654(Top 4%)654(Top 12%)
30K18.64 mi3.11 mi628-61581-59581-591191(Top 4%)1125(Top 7%)1125(Top 20%)
20M20.00 mi1.36 mi658-30611-30611-301275(Top 4%)1203(Top 7%)1203(Top 21%)
21M21.00 mi1.00 mi659-1612-1612-11039(Top 4%)982(Top 6%)982(Top 17%)
35K21.75 mi0.75 mi649+10602+10602+10706(Top 2%)659(Top 4%)659(Top 12%)
23M23.00 mi1.25 mi638+11591+11591+11624(Top 2%)588(Top 4%)588(Top 10%)
24M24.00 mi1.00 mi633+5585+6585+6795(Top 3%)747(Top 5%)747(Top 13%)
40K24.85 mi0.85 mi622+11574+11574+11578(Top 2%)540(Top 3%)540(Top 10%)
25.2M25.20 mi0.35 mi621+1573+1573+1765(Top 3%)708(Top 4%)708(Top 13%)
Finish26.22 mi1.02 mi611+10563+10563+10763(Top 3%)717(Top 4%)717(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

721

Males

673

M18-39

673

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

500

Males

463

M18-39

463

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

721

Males

673

M18-39

673

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

710

Males

663

M18-39

663

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

563

Males

529

M18-39

529

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

702

Males

654

M18-39

654

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1191

Males

1125

M18-39

1125

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1275

Males

1203

M18-39

1203

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1039

Males

982

M18-39

982

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

706

Males

659

M18-39

659

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

624

Males

588

M18-39

588

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

795

Males

747

M18-39

747

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

578

Males

540

M18-39

540

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

765

Males

708

M18-39

708

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

763

Males

717

M18-39

717

Passing Analysis

Category:
Athletes Passed
178
Passed By
323
Net Change
-145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#466
5K → 10K1934-15#466#481
10K → 15K563-58#481#539
15K → 20K1534-19#539#558
20K → Half63+3#558#555
Half → 25K1628-12#555#567
25K → 30K1778-61#567#628
30K → 20M636-30#628#658
20M → 21M1617-1#658#659
21M → 35K144+10#659#649
35K → 23M209+11#649#638
23M → 24M116+5#638#633
24M → 40K121+11#633#622
40K → 25.2M76+1#622#621
25.2M → Finish144+10#621#611
TOTALS178323-145
📊

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