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BOSTON MARATHON 2025

Christian Skala

Bib: 12775•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
49:42
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:15:08
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:40:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:45:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:04:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:30:37
↑ 181↓ 1480.2%
20M
8:16/mi
2:41:51
↑ 64↓ 500.2%
21M
8:43/mi
2:50:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:56:33
↑ 17↓ 861.7%
23M
8:19/mi
3:06:58
↑ 23↓ 630.6%
24M
7:59/mi
3:14:57
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:22:19
↓ 200.3%
25.2M
9:25/mi
3:25:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:33:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:48:23
Pace8:16 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2424:277:5224:27
7:52
-
10K
6.21 mi11:17:3949:428:0025:15
8:08
+0:16
15K
9.32 mi11:43:051:15:088:0425:26
8:11
+0:03
20K
12.43 mi12:08:001:40:038:0324:55
8:01
-0:10
Half
13.11 mi12:13:281:45:318:035:28
8:01
0:00
25K
15.53 mi12:32:552:04:588:0319:27
8:01
0:00
30K
18.64 mi12:58:342:30:378:0525:39
8:15
+0:14
20M
20.00 mi13:09:482:41:518:0611:14
8:16
+0:01
21M
21.00 mi13:18:312:50:348:078:43
8:43
+0:27
35K
21.75 mi13:24:302:56:338:075:59
8:00
-0:43
23M
23.00 mi13:34:553:06:588:0810:25
8:19
+0:19
24M
24.00 mi13:42:543:14:578:077:59
7:59
-0:20
40K
24.85 mi13:50:163:22:198:087:22
8:37
+0:38
25.2M
25.20 mi13:53:313:25:348:093:15
9:25
+0:48
Finish
26.22 mi14:01:513:33:548:108:20
8:11
-1:14

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

7:52 /mi

Average Pace

8:10 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:56

94% of race

Time at Steady Pace

8:43

4% of race

Time at Slower Pace

3:15

2% of race

Average Pace: 8:09 /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 mi10:52:2424:277:5224:27
7:52
#15398
10K
6.21 mi11:17:3949:428:0025:15
8:08
#16495
15K
9.32 mi11:43:051:15:088:0425:26
8:11
#16778
20K
12.43 mi12:08:001:40:038:0324:55
8:01
#16314
Half
13.11 mi12:13:281:45:318:035:28
8:01
#16290
25K
15.53 mi12:32:552:04:588:0319:27
8:01
#15916
30K
18.64 mi12:58:342:30:378:0525:39
8:15
#15366
20M
20.00 mi13:09:482:41:518:0611:14
8:16
#15074
21M
21.00 mi13:18:312:50:348:078:43
8:43
#14826
35K
21.75 mi13:24:302:56:338:075:59
8:00
#14694
23M
23.00 mi13:34:553:06:588:0810:25
8:19
#14515
24M
24.00 mi13:42:543:14:578:077:59
7:59
#14357
40K
24.85 mi13:50:163:22:198:087:22
8:37
#14321
25.2M
25.20 mi13:53:313:25:348:093:15
9:25
#14305
Finish
26.22 mi14:01:513:33:548:108:20
8:11
#14258
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15398105701057017291(Top 61%)11342(Top 70%)11342(Top 475%)
10K6.21 mi3.10 mi16495-109711008-43811008-43817385(Top 61%)11402(Top 71%)11402(Top 478%)
15K9.32 mi3.11 mi16778-28311130-12211130-12217291(Top 61%)11342(Top 70%)11342(Top 475%)
20K12.43 mi3.11 mi16314+46410933+19710933+19715064(Top 53%)10342(Top 64%)10342(Top 433%)
Half13.11 mi0.68 mi16290+2410913+2010913+2015913(Top 56%)10718(Top 67%)10718(Top 449%)
25K15.53 mi2.42 mi15916+37410750+16310750+16314037(Top 49%)9766(Top 61%)9766(Top 409%)
30K18.64 mi3.11 mi15366+55010453+29710453+29713184(Top 46%)9211(Top 57%)9211(Top 386%)
20M20.00 mi1.36 mi15074+29210284+16910284+16912226(Top 43%)8623(Top 54%)8623(Top 361%)
21M21.00 mi1.00 mi14826+24810158+12610158+12611730(Top 41%)8222(Top 51%)8222(Top 345%)
35K21.75 mi0.75 mi14694+13210089+6910089+6912191(Top 43%)8396(Top 52%)8396(Top 352%)
23M23.00 mi1.25 mi14515+1799978+1119978+11112120(Top 43%)8279(Top 51%)8279(Top 347%)
24M24.00 mi1.00 mi14357+1589881+979881+9711057(Top 39%)7683(Top 48%)7683(Top 322%)
40K24.85 mi0.85 mi14321+369829+529829+5214100(Top 50%)9027(Top 56%)9027(Top 378%)
25.2M25.20 mi0.35 mi14305+169811+189811+1814031(Top 49%)8918(Top 55%)8918(Top 374%)
Finish26.22 mi1.02 mi14258+479759+529759+5214074(Top 50%)9034(Top 56%)9034(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17291

Males

11342

M45-49

11342

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17385

Males

11402

M45-49

11402

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17291

Males

11342

M45-49

11342

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15064

Males

10342

M45-49

10342

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15913

Males

10718

M45-49

10718

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14037

Males

9766

M45-49

9766

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13184

Males

9211

M45-49

9211

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12226

Males

8623

M45-49

8623

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11730

Males

8222

M45-49

8222

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12191

Males

8396

M45-49

8396

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12120

Males

8279

M45-49

8279

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11057

Males

7683

M45-49

7683

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14100

Males

9027

M45-49

9027

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14031

Males

8918

M45-49

8918

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14074

Males

9034

M45-49

9034

Passing Analysis

Category:
Athletes Passed
2995
Passed By
1855
Net Change
+1140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15398
5K → 10K631160-1097#15398#16495
10K → 15K129412-283#16495#16778
15K → 20K49632+464#16778#16314
20K → Half4622+24#16314#16290
Half → 25K39117+374#16290#15916
25K → 30K57424+550#15916#15366
30K → 20M2997+292#15366#15074
20M → 21M26719+248#15074#14826
21M → 35K1397+132#14826#14694
35K → 23M20021+179#14694#14515
23M → 24M1679+158#14515#14357
24M → 40K8751+36#14357#14321
40K → 25.2M3418+16#14321#14305
25.2M → Finish10356+47#14305#14258
TOTALS29951855+1140
📊

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