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BOSTON MARATHON 2025

Jack Vianen

Bib: 17126•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:56/mi
27:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
56:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:22:52
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:50:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:56:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:18:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:47:02
↑ 181↓ 1480.2%
20M
9:19/mi
2:59:41
↑ 64↓ 500.2%
21M
24:21/mi
3:24:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:30:34
↑ 17↓ 861.7%
23M
9:21/mi
3:42:17
↑ 23↓ 630.6%
24M
9:28/mi
3:51:45
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:59:51
↓ 200.3%
25.2M
10:26/mi
4:03:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
4:12:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:18
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:16:39
Pace10:25 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5827:448:5627:44
8:56
-
10K
6.21 mi11:46:1556:019:0128:17
9:06
+0:10
15K
9.32 mi12:13:061:22:528:5326:51
8:39
-0:27
20K
12.43 mi12:40:361:50:228:5327:30
8:51
+0:12
Half
13.11 mi12:46:321:56:188:525:56
8:42
-0:09
25K
15.53 mi13:08:472:18:338:5522:15
9:11
+0:29
30K
18.64 mi13:37:162:47:028:5828:29
9:10
-0:01
20M
20.00 mi13:49:552:59:418:5912:39
9:19
+0:09
21M
21.00 mi14:14:163:24:029:4324:21
24:21
+15:02
35K
21.75 mi14:20:483:30:349:416:32
8:44
-15:37
23M
23.00 mi14:32:313:42:179:4011:43
9:21
+0:37
24M
24.00 mi14:41:593:51:459:399:28
9:28
+0:07
40K
24.85 mi14:50:053:59:519:398:06
9:28
0:00
25.2M
25.20 mi14:53:414:03:279:403:36
10:26
+0:58
Finish
26.22 mi15:03:114:12:579:399:30
9:19
-1:07

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

8:39 /mi

Average Pace

9:39 /mi

Slowest Pace

24:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:48:36

90% of race

Time at Slower Pace

24:21

10% of race

Average Pace: 9:39 /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 mi11:17:5827:448:5627:44
8:56
#22110
10K
6.21 mi11:46:1556:019:0128:17
9:06
#22487
15K
9.32 mi12:13:061:22:528:5326:51
8:39
#21767
20K
12.43 mi12:40:361:50:228:5327:30
8:51
#21333
Half
13.11 mi12:46:321:56:188:525:56
8:42
#21274
25K
15.53 mi13:08:472:18:338:5522:15
9:11
#21198
30K
18.64 mi13:37:162:47:028:5828:29
9:10
#20685
20M
20.00 mi13:49:552:59:418:5912:39
9:19
#20481
21M
21.00 mi14:14:163:24:029:4324:21
24:21
#22912
35K
21.75 mi14:20:483:30:349:416:32
8:44
#22733
23M
23.00 mi14:32:313:42:179:4011:43
9:21
#22494
24M
24.00 mi14:41:593:51:459:399:28
9:28
#22367
40K
24.85 mi14:50:053:59:519:398:06
9:28
#22242
25.2M
25.20 mi14:53:414:03:279:403:36
10:26
#22195
Finish
26.22 mi15:03:114:12:579:399:30
9:19
#22111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22110133601336020165(Top 71%)12587(Top 78%)12587(Top 764%)
10K6.21 mi3.10 mi22487-37713543-18313543-18322824(Top 80%)13729(Top 85%)13729(Top 833%)
15K9.32 mi3.11 mi21767+72013229+31413229+31420165(Top 71%)12587(Top 78%)12587(Top 764%)
20K12.43 mi3.11 mi21333+43413057+17213057+17220218(Top 71%)12566(Top 78%)12566(Top 763%)
Half13.11 mi0.68 mi21274+5913029+2813029+2820338(Top 72%)12630(Top 78%)12630(Top 766%)
25K15.53 mi2.42 mi21198+7612988+4112988+4120675(Top 73%)12707(Top 79%)12707(Top 771%)
30K18.64 mi3.11 mi20685+51312711+27712711+27718488(Top 65%)11611(Top 72%)11611(Top 705%)
20M20.00 mi1.36 mi20481+20412603+10812603+10818329(Top 65%)11378(Top 71%)11378(Top 690%)
21M21.00 mi1.00 mi22912-243113670-106713670-106728391(Top 100%)16098(Top 100%)16098(Top 977%)
35K21.75 mi0.75 mi22733+17913578+9213578+9216891(Top 59%)10587(Top 66%)10587(Top 642%)
23M23.00 mi1.25 mi22494+23913449+12913449+12918047(Top 64%)11005(Top 68%)11005(Top 668%)
24M24.00 mi1.00 mi22367+12713363+8613363+8619503(Top 69%)11637(Top 72%)11637(Top 706%)
40K24.85 mi0.85 mi22242+12513300+6313300+6318606(Top 66%)11133(Top 69%)11133(Top 676%)
25.2M25.20 mi0.35 mi22195+4713269+3113269+3118780(Top 66%)11224(Top 70%)11224(Top 681%)
Finish26.22 mi1.02 mi22111+8413212+5713212+5720473(Top 72%)12048(Top 75%)12048(Top 731%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20165

Males

12587

M55-59

12587

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22824

Males

13729

M55-59

13729

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20165

Males

12587

M55-59

12587

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20218

Males

12566

M55-59

12566

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20338

Males

12630

M55-59

12630

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20675

Males

12707

M55-59

12707

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18488

Males

11611

M55-59

11611

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18329

Males

11378

M55-59

11378

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28391

Males

16098

M55-59

16098

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16891

Males

10587

M55-59

10587

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18047

Males

11005

M55-59

11005

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19503

Males

11637

M55-59

11637

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18606

Males

11133

M55-59

11133

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18780

Males

11224

M55-59

11224

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20473

Males

12048

M55-59

12048

Passing Analysis

Category:
Athletes Passed
3144
Passed By
3145
Net Change
-1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22110
5K → 10K113490-377#22110#22487
10K → 15K73515+720#22487#21767
15K → 20K46935+434#21767#21333
20K → Half7112+59#21333#21274
Half → 25K185109+76#21274#21198
25K → 30K52512+513#21198#20685
30K → 20M21814+204#20685#20481
20M → 21M12432-2431#20481#22912
21M → 35K1790+179#22912#22733
35K → 23M2423+239#22733#22494
23M → 24M1347+127#22494#22367
24M → 40K1283+125#22367#22242
40K → 25.2M536+47#22242#22195
25.2M → Finish917+84#22195#22111
TOTALS31443145-1
📊

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