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BOSTON MARATHON 2025

David Posawatz

Bib: 2528•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:18
Rank: #1927
Start → 5K
19:18 | 6:13/mi
10K· 6.21 mi
38:48
Rank: #2101 (-174)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:40
Rank: #2338 (-237)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:18:33
Rank: #2371 (-33)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:22:51
Rank: #2370 (+1)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:38:37
Rank: #2443 (-73)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
1:59:02
Rank: #2361 (+82)
25K → 30K
20:25 | 6:34/mi
20M
2:08:11
Rank: #2360 (+1)
30K → 20M
9:09 | 6:44/mi
21M
2:15:04
Rank: #2301 (+59)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:19:52
Rank: #2276 (+25)
21M → 35K
4:48 | 6:25/mi
23M
2:28:23
Rank: #2268 (+8)
35K → 23M
8:31 | 6:48/mi
24M
2:35:04
Rank: #2281 (-13)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:40:45
Rank: #2242 (+39)
24M → 40K
5:41 | 6:39/mi
25.2M
2:43:14
Rank: #2228 (+14)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:49:33
Rank: #2182 (+46)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:51
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:26:42
Pace6:37 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1719:186:1319:18
6:13
-
10K
6.21 mi10:39:4738:486:1519:30
6:17
+0:04
15K
9.32 mi10:59:3958:406:1819:52
6:24
+0:07
20K
12.43 mi11:19:321:18:336:1919:53
6:24
0:00
Half
13.11 mi11:23:501:22:516:194:18
6:18
-0:06
25K
15.53 mi11:39:361:38:376:2115:46
6:30
+0:12
30K
18.64 mi12:00:011:59:026:2320:25
6:34
+0:04
20M
20.00 mi12:09:102:08:116:259:09
6:44
+0:10
21M
21.00 mi12:16:032:15:046:266:53
6:53
+0:09
35K
21.75 mi12:20:512:19:526:264:48
6:25
-0:28
23M
23.00 mi12:29:222:28:236:278:31
6:48
+0:23
24M
24.00 mi12:36:032:35:046:286:41
6:41
-0:07
40K
24.85 mi12:41:442:40:456:285:41
6:39
-0:02
25.2M
25.20 mi12:44:132:43:146:292:29
7:12
+0:33
Finish
26.22 mi12:50:322:49:336:286:19
6:12
-1:00

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

6:12 /mi

Average Pace

6:28 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:11

94% of race

Time at Steady Pace

9:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:20:1719:186:1319:18
6:13
#1927
10K
6.21 mi10:39:4738:486:1519:30
6:17
#2101
15K
9.32 mi10:59:3958:406:1819:52
6:24
#2338
20K
12.43 mi11:19:321:18:336:1919:53
6:24
#2371
Half
13.11 mi11:23:501:22:516:194:18
6:18
#2370
25K
15.53 mi11:39:361:38:376:2115:46
6:30
#2443
30K
18.64 mi12:00:011:59:026:2320:25
6:34
#2361
20M
20.00 mi12:09:102:08:116:259:09
6:44
#2360
21M
21.00 mi12:16:032:15:046:266:53
6:53
#2301
35K
21.75 mi12:20:512:19:526:264:48
6:25
#2276
23M
23.00 mi12:29:222:28:236:278:31
6:48
#2268
24M
24.00 mi12:36:032:35:046:286:41
6:41
#2281
40K
24.85 mi12:41:442:40:456:285:41
6:39
#2242
25.2M
25.20 mi12:44:132:43:146:292:29
7:12
#2228
Finish
26.22 mi12:50:322:49:336:286:19
6:12
#2182
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1927183318332889(Top 10%)2753(Top 17%)2753(Top 49%)
10K6.21 mi3.10 mi2101-1742004-1712004-1712260(Top 8%)2161(Top 13%)2161(Top 38%)
15K9.32 mi3.11 mi2338-2372233-2292233-2292889(Top 10%)2753(Top 17%)2753(Top 49%)
20K12.43 mi3.11 mi2371-332262-292262-292511(Top 9%)2393(Top 15%)2393(Top 42%)
Half13.11 mi0.68 mi2370+12260+22260+22488(Top 9%)2377(Top 15%)2377(Top 42%)
25K15.53 mi2.42 mi2443-732332-722332-722893(Top 10%)2751(Top 17%)2751(Top 49%)
30K18.64 mi3.11 mi2361+822253+792253+792272(Top 8%)2151(Top 13%)2151(Top 38%)
20M20.00 mi1.36 mi2360+12251+22251+22594(Top 9%)2436(Top 15%)2436(Top 43%)
21M21.00 mi1.00 mi2301+592194+572194+571811(Top 6%)1706(Top 11%)1706(Top 30%)
35K21.75 mi0.75 mi2276+252168+262168+262073(Top 7%)1940(Top 12%)1940(Top 34%)
23M23.00 mi1.25 mi2268+82160+82160+82689(Top 9%)2472(Top 15%)2472(Top 44%)
24M24.00 mi1.00 mi2281-132171-112171-112868(Top 10%)2608(Top 16%)2608(Top 46%)
40K24.85 mi0.85 mi2242+392131+402131+402137(Top 8%)1963(Top 12%)1963(Top 35%)
25.2M25.20 mi0.35 mi2228+142117+142117+142101(Top 7%)1890(Top 12%)1890(Top 33%)
Finish26.22 mi1.02 mi2182+462071+462071+461511(Top 5%)1405(Top 9%)1405(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2889

Males

2753

M18-39

2753

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2260

Males

2161

M18-39

2161

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2889

Males

2753

M18-39

2753

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2511

Males

2393

M18-39

2393

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2488

Males

2377

M18-39

2377

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2893

Males

2751

M18-39

2751

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2272

Males

2151

M18-39

2151

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2594

Males

2436

M18-39

2436

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1811

Males

1706

M18-39

1706

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2073

Males

1940

M18-39

1940

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2689

Males

2472

M18-39

2472

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2868

Males

2608

M18-39

2608

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2137

Males

1963

M18-39

1963

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2101

Males

1890

M18-39

1890

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1511

Males

1405

M18-39

1405

Passing Analysis

Category:
Athletes Passed
666
Passed By
921
Net Change
-255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1927
5K → 10K53227-174#1927#2101
10K → 15K18255-237#2101#2338
15K → 20K5891-33#2338#2371
20K → Half1413+1#2371#2370
Half → 25K33106-73#2370#2443
25K → 30K13149+82#2443#2361
30K → 20M3837+1#2361#2360
20M → 21M689+59#2360#2301
21M → 35K338+25#2301#2276
35K → 23M4739+8#2276#2268
23M → 24M3649-13#2268#2281
24M → 40K5314+39#2281#2242
40K → 25.2M2612+14#2242#2228
25.2M → Finish5812+46#2228#2182
TOTALS666921-255
📊

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