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BOSTON MARATHON 2025

Mark Scase

Bib: 21839•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:17
Rank: #17628
Start → 5K
8:08/mi
25:17 split
10K· 6.21 mi
50:43
Rank: #17698 (-70)
5K → 10K
8:11/mi
25:26 split
15K· 9.32 mi
1:16:19
Rank: #17683 (+15)
10K → 15K
8:14/mi
25:36 split
20K· 12.43 mi
1:42:05
Rank: #17429 (+254)
15K → 20K
8:18/mi
25:46 split
Half· 13.11 mi
1:47:36
Rank: #17378 (+51)
20K → Half
8:05/mi
5:31 split
25K· 15.53 mi
2:07:57
Rank: #17190 (+188)
Half → 25K
8:24/mi
20:21 split
30K· 18.64 mi
2:35:30
Rank: #17097 (+93)
25K → 30K
8:52/mi
27:33 split
20M
2:47:56
Rank: #17103 (-6)
30K → 20M
9:09/mi
12:26 split
21M
2:57:50
Rank: #17149 (-46)
20M → 21M
9:54/mi
9:54 split
35K· 21.75 mi
3:04:49
Rank: #17264 (-115)
21M → 35K
9:20/mi
6:59 split
23M
3:17:26
Rank: #17561 (-297)
35K → 23M
10:05/mi
12:37 split
24M
3:27:00
Rank: #17680 (-119)
23M → 24M
9:34/mi
9:34 split
40K· 24.85 mi
3:35:23
Rank: #17793 (-113)
24M → 40K
9:48/mi
8:23 split
25.2M
3:39:05
Rank: #17852 (-59)
40K → 25.2M
10:44/mi
3:42 split
Finish· 26.22 mi
3:48:43
Rank: #18022 (-170)
25.2M → Finish
9:27/mi
9:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:01:07
Pace9:14 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5425:178:0825:17
8:08
-
10K
6.21 mi11:45:2050:438:1025:26
8:11
+0:03
15K
9.32 mi12:10:561:16:198:1125:36
8:14
+0:03
20K
12.43 mi12:36:421:42:058:1325:46
8:18
+0:04
Half
13.11 mi12:42:131:47:368:125:31
8:05
-0:13
25K
15.53 mi13:02:342:07:578:1420:21
8:24
+0:19
30K
18.64 mi13:30:072:35:308:2127:33
8:52
+0:28
20M
20.00 mi13:42:332:47:568:2412:26
9:09
+0:17
21M
21.00 mi13:52:272:57:508:289:54
9:54
+0:45
35K
21.75 mi13:59:263:04:498:306:59
9:20
-0:34
23M
23.00 mi14:12:033:17:268:3512:37
10:05
+0:45
24M
24.00 mi14:21:373:27:008:389:34
9:34
-0:31
40K
24.85 mi14:30:003:35:238:408:23
9:48
+0:14
25.2M
25.20 mi14:33:423:39:058:423:42
10:44
+0:56
Finish
26.22 mi14:43:203:48:438:449:38
9:27
-1:17

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

8:05 /mi

Average Pace

8:44 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:57

56% of race

Time at Steady Pace

56:36

25% of race

Time at Slower Pace

44:10

19% of race

Average Pace: 8:43 /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 mi11:19:5425:178:0825:17
8:08
#17628
10K
6.21 mi11:45:2050:438:1025:26
8:11
#17698
15K
9.32 mi12:10:561:16:198:1125:36
8:14
#17683
20K
12.43 mi12:36:421:42:058:1325:46
8:18
#17429
Half
13.11 mi12:42:131:47:368:125:31
8:05
#17378
25K
15.53 mi13:02:342:07:578:1420:21
8:24
#17190
30K
18.64 mi13:30:072:35:308:2127:33
8:52
#17097
20M
20.00 mi13:42:332:47:568:2412:26
9:09
#17103
21M
21.00 mi13:52:272:57:508:289:54
9:54
#17149
35K
21.75 mi13:59:263:04:498:306:59
9:20
#17264
23M
23.00 mi14:12:033:17:268:3512:37
10:05
#17561
24M
24.00 mi14:21:373:27:008:389:34
9:34
#17680
40K
24.85 mi14:30:003:35:238:408:23
9:48
#17793
25.2M
25.20 mi14:33:423:39:058:423:42
10:44
#17852
Finish
26.22 mi14:43:203:48:438:449:38
9:27
#18022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17628114651146517641(Top 62%)11486(Top 71%)11486(Top 912%)
10K6.21 mi3.10 mi17698-7011500-3511500-3517779(Top 63%)11561(Top 72%)11561(Top 918%)
15K9.32 mi3.11 mi17683+1511497+311497+317641(Top 62%)11486(Top 71%)11486(Top 912%)
20K12.43 mi3.11 mi17429+25411387+11011387+11016897(Top 59%)11133(Top 69%)11133(Top 884%)
Half13.11 mi0.68 mi17378+5111361+2611361+2616511(Top 58%)10990(Top 68%)10990(Top 873%)
25K15.53 mi2.42 mi17190+18811265+9611265+9616525(Top 58%)10888(Top 68%)10888(Top 865%)
30K18.64 mi3.11 mi17097+9311172+9311172+9316986(Top 60%)10921(Top 68%)10921(Top 867%)
20M20.00 mi1.36 mi17103-611143+2911143+2917517(Top 62%)11045(Top 69%)11045(Top 877%)
21M21.00 mi1.00 mi17149-4611137+611137+617888(Top 63%)11109(Top 69%)11109(Top 882%)
35K21.75 mi0.75 mi17264-11511160-2311160-2319698(Top 69%)11824(Top 73%)11824(Top 939%)
23M23.00 mi1.25 mi17561-29711250-9011250-9020716(Top 73%)12249(Top 76%)12249(Top 973%)
24M24.00 mi1.00 mi17680-11911281-3111281-3119845(Top 70%)11787(Top 73%)11787(Top 936%)
40K24.85 mi0.85 mi17793-11311313-3211313-3219812(Top 70%)11711(Top 73%)11711(Top 930%)
25.2M25.20 mi0.35 mi17852-5911328-1511328-1519779(Top 70%)11677(Top 73%)11677(Top 927%)
Finish26.22 mi1.02 mi18022-17011390-6211390-6220999(Top 74%)12287(Top 76%)12287(Top 976%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17641

Males

11486

M60-64

11486

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17779

Males

11561

M60-64

11561

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17641

Males

11486

M60-64

11486

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16897

Males

11133

M60-64

11133

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16511

Males

10990

M60-64

10990

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16525

Males

10888

M60-64

10888

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16986

Males

10921

M60-64

10921

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17517

Males

11045

M60-64

11045

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17888

Males

11109

M60-64

11109

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19698

Males

11824

M60-64

11824

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20716

Males

12249

M60-64

12249

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19845

Males

11787

M60-64

11787

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19812

Males

11711

M60-64

11711

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19779

Males

11677

M60-64

11677

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

20999

Males

12287

M60-64

12287

Passing Analysis

Category:
Athletes Passed
1766
Passed By
2160
Net Change
-394
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17628
5K → 10K256326-70#17628#17698
10K → 15K194179+15#17698#17683
15K → 20K32268+254#17683#17429
20K → Half6110+51#17429#17378
Half → 25K26779+188#17378#17190
25K → 30K261168+93#17190#17097
30K → 20M8894-6#17097#17103
20M → 21M105151-46#17103#17149
21M → 35K41156-115#17149#17264
35K → 23M53350-297#17264#17561
23M → 24M41160-119#17561#17680
24M → 40K29142-113#17680#17793
40K → 25.2M1978-59#17793#17852
25.2M → Finish29199-170#17852#18022
TOTALS17662160-394
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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