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BOSTON MARATHON 2025

Don Mrla

Bib: 10424•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M55-59)
#0 / 1648
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #9447
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
44:13
Rank: #8752 (+695)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:06:19
Rank: #8611 (+141)
10K → 15K
22:06 | 7:07/mi
20K· 12.43 mi
1:29:27
Rank: #8964 (-353)
15K → 20K
23:08 | 7:27/mi
Half· 13.11 mi
1:34:31
Rank: #9077 (-113)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:53:31
Rank: #9633 (-556)
Half → 25K
19:00 | 7:50/mi
30K· 18.64 mi
2:19:19
Rank: #10343 (-710)
25K → 30K
25:48 | 8:18/mi
20M
2:31:13
Rank: #10771 (-428)
30K → 20M
11:54 | 8:45/mi
21M
2:40:17
Rank: #10929 (-158)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:45:59
Rank: #10851 (+78)
21M → 35K
5:42 | 7:37/mi
23M
2:56:12
Rank: #10823 (+28)
35K → 23M
10:13 | 8:10/mi
24M
3:04:03
Rank: #10763 (+60)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:10:43
Rank: #10660 (+103)
24M → 40K
6:40 | 7:48/mi
25.2M
3:13:52
Rank: #10671 (-11)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:21:25
Rank: #10568 (+103)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:46:54
Pace8:09 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3722:227:1222:22
7:12
-
10K
6.21 mi11:10:2844:137:0721:51
7:02
-0:10
15K
9.32 mi11:32:341:06:197:0722:06
7:07
+0:05
20K
12.43 mi11:55:421:29:277:1223:08
7:27
+0:20
Half
13.11 mi12:00:461:34:317:135:04
7:26
-0:01
25K
15.53 mi12:19:461:53:317:1819:00
7:50
+0:24
30K
18.64 mi12:45:342:19:197:2825:48
8:18
+0:28
20M
20.00 mi12:57:282:31:137:3411:54
8:45
+0:27
21M
21.00 mi13:06:322:40:177:389:04
9:04
+0:19
35K
21.75 mi13:12:142:45:597:385:42
7:37
-1:27
23M
23.00 mi13:22:272:56:127:4010:13
8:10
+0:33
24M
24.00 mi13:30:183:04:037:407:51
7:51
-0:19
40K
24.85 mi13:36:583:10:437:406:40
7:48
-0:03
25.2M
25.20 mi13:40:073:13:527:423:09
9:08
+1:20
Finish
26.22 mi13:47:403:21:257:417:33
7:25
-1:43

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

7:02 /mi

Average Pace

7:41 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:04

51% of race

Time at Steady Pace

39:13

19% of race

Time at Slower Pace

1:00:08

30% of race

Average Pace: 7:41 /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 mi10:48:3722:227:1222:22
7:12
#9447
10K
6.21 mi11:10:2844:137:0721:51
7:02
#8752
15K
9.32 mi11:32:341:06:197:0722:06
7:07
#8611
20K
12.43 mi11:55:421:29:277:1223:08
7:27
#8964
Half
13.11 mi12:00:461:34:317:135:04
7:26
#9077
25K
15.53 mi12:19:461:53:317:1819:00
7:50
#9633
30K
18.64 mi12:45:342:19:197:2825:48
8:18
#10343
20M
20.00 mi12:57:282:31:137:3411:54
8:45
#10771
21M
21.00 mi13:06:322:40:177:389:04
9:04
#10929
35K
21.75 mi13:12:142:45:597:385:42
7:37
#10851
23M
23.00 mi13:22:272:56:127:4010:13
8:10
#10823
24M
24.00 mi13:30:183:04:037:407:51
7:51
#10763
40K
24.85 mi13:36:583:10:437:406:40
7:48
#10660
25.2M
25.20 mi13:40:073:13:527:423:09
9:08
#10671
Finish
26.22 mi13:47:403:21:257:417:33
7:25
#10568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9447785678568422(Top 30%)7195(Top 45%)7195(Top 437%)
10K6.21 mi3.10 mi8752+6957456+4007456+4008164(Top 29%)7077(Top 44%)7077(Top 429%)
15K9.32 mi3.11 mi8611+1417352+1047352+1048422(Top 30%)7195(Top 45%)7195(Top 437%)
20K12.43 mi3.11 mi8964-3537542-1907542-19010292(Top 36%)8166(Top 51%)8166(Top 496%)
Half13.11 mi0.68 mi9077-1137607-657607-6511048(Top 39%)8564(Top 53%)8564(Top 520%)
25K15.53 mi2.42 mi9633-5567870-2637870-26312609(Top 44%)9115(Top 57%)9115(Top 553%)
30K18.64 mi3.11 mi10343-7108195-3258195-32513519(Top 48%)9368(Top 58%)9368(Top 568%)
20M20.00 mi1.36 mi10771-4288347-1528347-15215391(Top 54%)10085(Top 63%)10085(Top 612%)
21M21.00 mi1.00 mi10929-1588390-438390-4313867(Top 49%)9264(Top 58%)9264(Top 562%)
35K21.75 mi0.75 mi10851+788326+648326+649451(Top 33%)7094(Top 44%)7094(Top 430%)
23M23.00 mi1.25 mi10823+288278+488278+4811098(Top 39%)7793(Top 48%)7793(Top 473%)
24M24.00 mi1.00 mi10763+608207+718207+7110166(Top 36%)7247(Top 45%)7247(Top 440%)
40K24.85 mi0.85 mi10660+1038131+768131+768728(Top 31%)6385(Top 40%)6385(Top 387%)
25.2M25.20 mi0.35 mi10671-118123+88123+812485(Top 44%)8214(Top 51%)8214(Top 498%)
Finish26.22 mi1.02 mi10568+1038037+868037+868543(Top 30%)6215(Top 39%)6215(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8422

Males

7195

M55-59

7195

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8164

Males

7077

M55-59

7077

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8422

Males

7195

M55-59

7195

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10292

Males

8166

M55-59

8166

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11048

Males

8564

M55-59

8564

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12609

Males

9115

M55-59

9115

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13519

Males

9368

M55-59

9368

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15391

Males

10085

M55-59

10085

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13867

Males

9264

M55-59

9264

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9451

Males

7094

M55-59

7094

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11098

Males

7793

M55-59

7793

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10166

Males

7247

M55-59

7247

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8728

Males

6385

M55-59

6385

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12485

Males

8214

M55-59

8214

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8543

Males

6215

M55-59

6215

Passing Analysis

Category:
Athletes Passed
1891
Passed By
3010
Net Change
-1121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9447
5K → 10K72227+695#9447#8752
10K → 15K23695+141#8752#8611
15K → 20K83436-353#8611#8964
20K → Half11124-113#8964#9077
Half → 25K53609-556#9077#9633
25K → 30K81789-710#9633#10343
30K → 20M40468-428#10343#10771
20M → 21M55213-158#10771#10929
21M → 35K9214+78#10929#10851
35K → 23M11789+28#10851#10823
23M → 24M10747+60#10823#10763
24M → 40K12522+103#10763#10660
40K → 25.2M3849-11#10660#10671
25.2M → Finish13128+103#10671#10568
TOTALS18913010-1121
📊

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