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BOSTON MARATHON 2025

Mark Ewin

Bib: 12966•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:42
Rank: #20418
Start → 5K
26:42 | 8:36/mi
10K· 6.21 mi
53:31
Rank: #20456 (-38)
5K → 10K
26:49 | 8:38/mi
15K· 9.32 mi
1:20:15
Rank: #20257 (+199)
10K → 15K
26:44 | 8:36/mi
20K· 12.43 mi
1:47:03
Rank: #19946 (+311)
15K → 20K
26:48 | 8:38/mi
Half· 13.11 mi
1:52:51
Rank: #19906 (+40)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:14:09
Rank: #19711 (+195)
Half → 25K
21:18 | 8:47/mi
30K· 18.64 mi
2:44:27
Rank: #19994 (-283)
25K → 30K
30:18 | 9:45/mi
20M
2:58:12
Rank: #20128 (-134)
30K → 20M
13:45 | 10:07/mi
21M
3:08:54
Rank: #20175 (-47)
20M → 21M
10:42 | 10:42/mi
35K· 21.75 mi
3:16:24
Rank: #20261 (-86)
21M → 35K
7:30 | 10:01/mi
23M
3:29:16
Rank: #20372 (-111)
35K → 23M
12:52 | 10:17/mi
24M
3:40:08
Rank: #20600 (-228)
23M → 24M
10:52 | 10:52/mi
40K· 24.85 mi
3:49:27
Rank: #20749 (-149)
24M → 40K
9:19 | 10:54/mi
25.2M
3:53:27
Rank: #20771 (-22)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:03:35
Rank: #20837 (-66)
25.2M → Finish
10:08 | 9:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:51
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:10:44
Pace9:58 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0626:428:3626:42
8:36
-
10K
6.21 mi11:22:5553:318:3726:49
8:38
+0:02
15K
9.32 mi11:49:391:20:158:3726:44
8:36
-0:02
20K
12.43 mi12:16:271:47:038:3726:48
8:38
+0:02
Half
13.11 mi12:22:151:52:518:365:48
8:30
-0:08
25K
15.53 mi12:43:332:14:098:3821:18
8:47
+0:17
30K
18.64 mi13:13:512:44:278:4930:18
9:45
+0:58
20M
20.00 mi13:27:362:58:128:5513:45
10:07
+0:22
21M
21.00 mi13:38:183:08:549:0010:42
10:42
+0:35
35K
21.75 mi13:45:483:16:249:027:30
10:01
-0:41
23M
23.00 mi13:58:403:29:169:0612:52
10:17
+0:16
24M
24.00 mi14:09:323:40:089:1010:52
10:52
+0:35
40K
24.85 mi14:18:513:49:279:149:19
10:54
+0:02
25.2M
25.20 mi14:22:513:53:279:164:00
11:36
+0:42
Finish
26.22 mi14:32:594:03:359:1810:08
9:57
-1:39

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

9:18 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:09

55% of race

Time at Steady Pace

1:14:33

31% of race

Time at Slower Pace

34:53

14% of race

Average Pace: 9:17 /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 mi10:56:0626:428:3626:42
8:36
#20418
10K
6.21 mi11:22:5553:318:3726:49
8:38
#20456
15K
9.32 mi11:49:391:20:158:3726:44
8:36
#20257
20K
12.43 mi12:16:271:47:038:3726:48
8:38
#19946
Half
13.11 mi12:22:151:52:518:365:48
8:30
#19906
25K
15.53 mi12:43:332:14:098:3821:18
8:47
#19711
30K
18.64 mi13:13:512:44:278:4930:18
9:45
#19994
20M
20.00 mi13:27:362:58:128:5513:45
10:07
#20128
21M
21.00 mi13:38:183:08:549:0010:42
10:42
#20175
35K
21.75 mi13:45:483:16:249:027:30
10:01
#20261
23M
23.00 mi13:58:403:29:169:0612:52
10:17
#20372
24M
24.00 mi14:09:323:40:089:1010:52
10:52
#20600
40K
24.85 mi14:18:513:49:279:149:19
10:54
#20749
25.2M
25.20 mi14:22:513:53:279:164:00
11:36
#20771
Finish
26.22 mi14:32:594:03:359:1810:08
9:57
#20837
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20418126081260819943(Top 70%)12476(Top 77%)12476(Top 625%)
10K6.21 mi3.10 mi20456-3812648-4012648-4020509(Top 72%)12704(Top 79%)12704(Top 636%)
15K9.32 mi3.11 mi20257+19912582+6612582+6619943(Top 70%)12476(Top 77%)12476(Top 625%)
20K12.43 mi3.11 mi19946+31112448+13412448+13418985(Top 67%)12024(Top 75%)12024(Top 602%)
Half13.11 mi0.68 mi19906+4012431+1712431+1719193(Top 68%)12141(Top 75%)12141(Top 608%)
25K15.53 mi2.42 mi19711+19512334+9712334+9718848(Top 66%)11903(Top 74%)11903(Top 596%)
30K18.64 mi3.11 mi19994-28312419-8512419-8520842(Top 73%)12646(Top 79%)12646(Top 634%)
20M20.00 mi1.36 mi20128-13412447-2812447-2821329(Top 75%)12736(Top 79%)12736(Top 638%)
21M21.00 mi1.00 mi20175-4712440+712440+720591(Top 72%)12297(Top 76%)12297(Top 616%)
35K21.75 mi0.75 mi20261-8612466-2612466-2621942(Top 77%)12868(Top 80%)12868(Top 645%)
23M23.00 mi1.25 mi20372-11112495-2912495-2921343(Top 75%)12568(Top 78%)12568(Top 630%)
24M24.00 mi1.00 mi20600-22812585-9012585-9023697(Top 83%)13660(Top 85%)13660(Top 684%)
40K24.85 mi0.85 mi20749-14912637-5212637-5222884(Top 81%)13181(Top 82%)13181(Top 660%)
25.2M25.20 mi0.35 mi20771-2212631+612631+622277(Top 78%)12927(Top 80%)12927(Top 648%)
Finish26.22 mi1.02 mi20837-6612646-1512646-1522747(Top 80%)13142(Top 82%)13142(Top 658%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19943

Males

12476

M50-54

12476

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20509

Males

12704

M50-54

12704

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19943

Males

12476

M50-54

12476

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

18985

Males

12024

M50-54

12024

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19193

Males

12141

M50-54

12141

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18848

Males

11903

M50-54

11903

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20842

Males

12646

M50-54

12646

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21329

Males

12736

M50-54

12736

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20591

Males

12297

M50-54

12297

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21942

Males

12868

M50-54

12868

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21343

Males

12568

M50-54

12568

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23697

Males

13660

M50-54

13660

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22884

Males

13181

M50-54

13181

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22277

Males

12927

M50-54

12927

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22747

Males

13142

M50-54

13142

Passing Analysis

Category:
Athletes Passed
1691
Passed By
2110
Net Change
-419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20418
5K → 10K267305-38#20418#20456
10K → 15K29495+199#20456#20257
15K → 20K36352+311#20257#19946
20K → Half5414+40#19946#19906
Half → 25K25661+195#19906#19711
25K → 30K143426-283#19711#19994
30K → 20M70204-134#19994#20128
20M → 21M70117-47#20128#20175
21M → 35K36122-86#20175#20261
35K → 23M62173-111#20261#20372
23M → 24M18246-228#20372#20600
24M → 40K17166-149#20600#20749
40K → 25.2M2446-22#20749#20771
25.2M → Finish1783-66#20771#20837
TOTALS16912110-419
📊

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