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BOSTON MARATHON 2025

Chris Mangiafico

Bib: 27567•M

MA

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
8:54/mi
27:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
54:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:21:24
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:48:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:54:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:16:18
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:45:48
↑ 181↓ 1480.2%
20M
9:40/mi
2:58:56
↑ 64↓ 500.2%
21M
10:16/mi
3:09:12
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:16:02
↑ 17↓ 861.7%
23M
9:37/mi
3:28:04
↑ 23↓ 630.6%
24M
9:16/mi
3:37:20
↓ 821.3%
40K· 24.85 mi
9:49/mi
3:45:44
↓ 200.3%
25.2M
10:18/mi
3:49:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:58:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:03:49
Pace9:27 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5727:398:5427:39
8:54
-
10K
6.21 mi12:10:4354:258:4526:46
8:37
-0:17
15K
9.32 mi12:37:421:21:248:4426:59
8:41
+0:04
20K
12.43 mi13:04:541:48:368:4427:12
8:45
+0:04
Half
13.11 mi13:10:421:54:248:445:48
8:30
-0:15
25K
15.53 mi13:32:362:16:188:4621:54
9:02
+0:32
30K
18.64 mi14:02:062:45:488:5429:30
9:30
+0:28
20M
20.00 mi14:15:142:58:568:5713:08
9:40
+0:10
21M
21.00 mi14:25:303:09:129:0110:16
10:16
+0:36
35K
21.75 mi14:32:203:16:029:016:50
9:08
-1:08
23M
23.00 mi14:44:223:28:049:0312:02
9:37
+0:29
24M
24.00 mi14:53:383:37:209:039:16
9:16
-0:21
40K
24.85 mi15:02:023:45:449:058:24
9:49
+0:33
25.2M
25.20 mi15:05:353:49:179:063:33
10:18
+0:29
Finish
26.22 mi15:14:313:58:139:068:56
8:46
-1:32

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

8:30 /mi

Average Pace

9:06 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:41

40% of race

Time at Steady Pace

1:05:39

28% of race

Time at Slower Pace

1:16:53

32% of race

Average Pace: 9:05 /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 mi11:43:5727:398:5427:39
8:54
#21985
10K
6.21 mi12:10:4354:258:4526:46
8:37
#21205
15K
9.32 mi12:37:421:21:248:4426:59
8:41
#20924
20K
12.43 mi13:04:541:48:368:4427:12
8:45
#20623
Half
13.11 mi13:10:421:54:248:445:48
8:30
#20553
25K
15.53 mi13:32:362:16:188:4621:54
9:02
#20487
30K
18.64 mi14:02:062:45:488:5429:30
9:30
#20343
20M
20.00 mi14:15:142:58:568:5713:08
9:40
#20310
21M
21.00 mi14:25:303:09:129:0110:16
10:16
#20249
35K
21.75 mi14:32:203:16:029:016:50
9:08
#20186
23M
23.00 mi14:44:223:28:049:0312:02
9:37
#20130
24M
24.00 mi14:53:383:37:209:039:16
9:16
#20076
40K
24.85 mi15:02:023:45:449:058:24
9:49
#20075
25.2M
25.20 mi15:05:353:49:179:063:33
10:18
#20061
Finish
26.22 mi15:14:313:58:139:068:56
8:46
#19984
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21985133081330820395(Top 72%)12688(Top 79%)12688(Top 225%)
10K6.21 mi3.10 mi21205+78012980+32812980+32820428(Top 72%)12670(Top 79%)12670(Top 225%)
15K9.32 mi3.11 mi20924+28112865+11512865+11520395(Top 72%)12688(Top 79%)12688(Top 225%)
20K12.43 mi3.11 mi20623+30112737+12812737+12819704(Top 69%)12330(Top 77%)12330(Top 219%)
Half13.11 mi0.68 mi20553+7012708+2912708+2919185(Top 68%)12133(Top 75%)12133(Top 215%)
25K15.53 mi2.42 mi20487+6612664+4412664+4420039(Top 71%)12431(Top 77%)12431(Top 220%)
30K18.64 mi3.11 mi20343+14412563+10112563+10119917(Top 70%)12248(Top 76%)12248(Top 217%)
20M20.00 mi1.36 mi20310+3312522+4112522+4119817(Top 70%)12083(Top 75%)12083(Top 214%)
21M21.00 mi1.00 mi20249+6112475+4712475+4719243(Top 68%)11733(Top 73%)11733(Top 208%)
35K21.75 mi0.75 mi20186+6312434+4112434+4118872(Top 66%)11441(Top 71%)11441(Top 203%)
23M23.00 mi1.25 mi20130+5612383+5112383+5119119(Top 67%)11502(Top 71%)11502(Top 204%)
24M24.00 mi1.00 mi20076+5412344+3912344+3918659(Top 66%)11249(Top 70%)11249(Top 199%)
40K24.85 mi0.85 mi20075+112319+2512319+2519882(Top 70%)11744(Top 73%)11744(Top 208%)
25.2M25.20 mi0.35 mi20061+1412302+1712302+1718245(Top 64%)10938(Top 68%)10938(Top 194%)
Finish26.22 mi1.02 mi19984+7712259+4312259+4317868(Top 63%)10816(Top 67%)10816(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20395

Males

12688

M18-39

12688

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20428

Males

12670

M18-39

12670

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20395

Males

12688

M18-39

12688

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19704

Males

12330

M18-39

12330

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19185

Males

12133

M18-39

12133

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20039

Males

12431

M18-39

12431

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19917

Males

12248

M18-39

12248

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19817

Males

12083

M18-39

12083

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19243

Males

11733

M18-39

11733

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18872

Males

11441

M18-39

11441

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19119

Males

11502

M18-39

11502

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18659

Males

11249

M18-39

11249

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19882

Males

11744

M18-39

11744

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18245

Males

10938

M18-39

10938

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17868

Males

10816

M18-39

10816

Passing Analysis

Category:
Athletes Passed
2793
Passed By
792
Net Change
+2001
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21985
5K → 10K82747+780#21985#21205
10K → 15K35574+281#21205#20924
15K → 20K35251+301#20924#20623
20K → Half8111+70#20623#20553
Half → 25K175109+66#20553#20487
25K → 30K289145+144#20487#20343
30K → 20M11481+33#20343#20310
20M → 21M11857+61#20310#20249
21M → 35K8825+63#20249#20186
35K → 23M10347+56#20186#20130
23M → 24M8733+54#20130#20076
24M → 40K5958+1#20076#20075
40K → 25.2M3521+14#20075#20061
25.2M → Finish11033+77#20061#19984
TOTALS2793792+2001
📊

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