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BOSTON MARATHON 2025

Dana Kreiss

Bib: 26086•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
7:59/mi
24:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
49:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:15:24
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:41:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:46:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:07:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:46/mi
2:34:21
↑ 181↓ 1480.2%
20M
8:48/mi
2:46:19
↑ 64↓ 500.2%
21M
9:33/mi
2:55:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:02:14
↑ 17↓ 861.7%
23M
9:13/mi
3:13:46
↑ 23↓ 630.6%
24M
8:52/mi
3:22:38
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:30:22
↓ 200.3%
25.2M
10:15/mi
3:33:54
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
3:43:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:56:15
Pace8:52 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0324:477:5924:47
7:59
-
10K
6.21 mi12:05:0549:498:0125:02
8:03
+0:04
15K
9.32 mi12:30:401:15:248:0525:35
8:14
+0:11
20K
12.43 mi12:56:381:41:228:0925:58
8:21
+0:07
Half
13.11 mi13:02:061:46:508:095:28
8:01
-0:20
25K
15.53 mi13:22:242:07:088:1120:18
8:22
+0:21
30K
18.64 mi13:49:372:34:218:1727:13
8:46
+0:24
20M
20.00 mi14:01:352:46:198:1911:58
8:48
+0:02
21M
21.00 mi14:11:082:55:528:229:33
9:33
+0:45
35K
21.75 mi14:17:303:02:148:236:22
8:31
-1:02
23M
23.00 mi14:29:023:13:468:2511:32
9:13
+0:42
24M
24.00 mi14:37:543:22:388:278:52
8:52
-0:21
40K
24.85 mi14:45:383:30:228:287:44
9:03
+0:11
25.2M
25.20 mi14:49:103:33:548:293:32
10:15
+1:12
Finish
26.22 mi14:58:213:43:058:319:11
9:01
-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

7:59 /mi

Average Pace

8:31 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:08

57% of race

Time at Steady Pace

1:11:20

32% of race

Time at Slower Pace

24:37

11% of race

Average Pace: 8:30 /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 mi11:40:0324:477:5924:47
7:59
#16397
10K
6.21 mi12:05:0549:498:0125:02
8:03
#16652
15K
9.32 mi12:30:401:15:248:0525:35
8:14
#16998
20K
12.43 mi12:56:381:41:228:0925:58
8:21
#17080
Half
13.11 mi13:02:061:46:508:095:28
8:01
#17013
25K
15.53 mi13:22:242:07:088:1120:18
8:22
#16858
30K
18.64 mi13:49:372:34:218:1727:13
8:46
#16714
20M
20.00 mi14:01:352:46:198:1911:58
8:48
#16610
21M
21.00 mi14:11:082:55:528:229:33
9:33
#16543
35K
21.75 mi14:17:303:02:148:236:22
8:31
#16485
23M
23.00 mi14:29:023:13:468:2511:32
9:13
#16499
24M
24.00 mi14:37:543:22:388:278:52
8:52
#16504
40K
24.85 mi14:45:383:30:228:287:44
9:03
#16497
25.2M
25.20 mi14:49:103:33:548:293:32
10:15
#16531
Finish
26.22 mi14:58:213:43:058:319:11
9:01
#16648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16397109631096317601(Top 62%)11473(Top 71%)11473(Top 511%)
10K6.21 mi3.10 mi16652-25511079-11611079-11616886(Top 59%)11199(Top 70%)11199(Top 498%)
15K9.32 mi3.11 mi16998-34611236-15711236-15717601(Top 62%)11473(Top 71%)11473(Top 511%)
20K12.43 mi3.11 mi17080-8211237-111237-117265(Top 61%)11292(Top 70%)11292(Top 503%)
Half13.11 mi0.68 mi17013+6711205+3211205+3215958(Top 56%)10761(Top 67%)10761(Top 479%)
25K15.53 mi2.42 mi16858+15511131+7411131+7416369(Top 58%)10808(Top 67%)10808(Top 481%)
30K18.64 mi3.11 mi16714+14411020+11111020+11116355(Top 58%)10645(Top 66%)10645(Top 474%)
20M20.00 mi1.36 mi16610+10410947+7310947+7315682(Top 55%)10234(Top 64%)10234(Top 455%)
21M21.00 mi1.00 mi16543+6710892+5510892+5516290(Top 57%)10382(Top 64%)10382(Top 462%)
35K21.75 mi0.75 mi16485+5810843+4910843+4915519(Top 55%)9950(Top 62%)9950(Top 443%)
23M23.00 mi1.25 mi16499-1410821+2210821+2217369(Top 61%)10679(Top 66%)10679(Top 475%)
24M24.00 mi1.00 mi16504-510799+2210799+2216655(Top 59%)10320(Top 64%)10320(Top 459%)
40K24.85 mi0.85 mi16497+710767+3210767+3216554(Top 58%)10175(Top 63%)10175(Top 453%)
25.2M25.20 mi0.35 mi16531-3410771-410771-418022(Top 63%)10822(Top 67%)10822(Top 482%)
Finish26.22 mi1.02 mi16648-11710787-1610787-1619104(Top 67%)11389(Top 71%)11389(Top 507%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17601

Males

11473

M40-44

11473

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16886

Males

11199

M40-44

11199

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17601

Males

11473

M40-44

11473

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17265

Males

11292

M40-44

11292

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15958

Males

10761

M40-44

10761

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16369

Males

10808

M40-44

10808

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16355

Males

10645

M40-44

10645

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15682

Males

10234

M40-44

10234

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16290

Males

10382

M40-44

10382

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15519

Males

9950

M40-44

9950

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17369

Males

10679

M40-44

10679

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16655

Males

10320

M40-44

10320

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16554

Males

10175

M40-44

10175

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

18022

Males

10822

M40-44

10822

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19104

Males

11389

M40-44

11389

Passing Analysis

Category:
Athletes Passed
1789
Passed By
2040
Net Change
-251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16397
5K → 10K210465-255#16397#16652
10K → 15K115461-346#16652#16998
15K → 20K168250-82#16998#17080
20K → Half714+67#17080#17013
Half → 25K21459+155#17013#16858
25K → 30K288144+144#16858#16714
30K → 20M15349+104#16714#16610
20M → 21M13568+67#16610#16543
21M → 35K9133+58#16543#16485
35K → 23M115129-14#16485#16499
23M → 24M7782-5#16499#16504
24M → 40K8073+7#16504#16497
40K → 25.2M2458-34#16497#16531
25.2M → Finish48165-117#16531#16648
TOTALS17892040-251
📊

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