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BOSTON MARATHON 2025

David Boigenzahn

Bib: 6866•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:34
Rank: #9998
Start → 5K
22:34 | 7:16/mi
10K· 6.21 mi
45:00
Rank: #9809 (+189)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:07:31
Rank: #9690 (+119)
10K → 15K
22:31 | 7:15/mi
20K· 12.43 mi
1:30:03
Rank: #9384 (+306)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:34:54
Rank: #9339 (+45)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:34
Rank: #9083 (+256)
Half → 25K
17:40 | 7:17/mi
30K· 18.64 mi
2:15:57
Rank: #8770 (+313)
25K → 30K
23:23 | 7:32/mi
20M
2:26:16
Rank: #8636 (+134)
30K → 20M
10:19 | 7:36/mi
21M
2:34:29
Rank: #8600 (+36)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:39:50
Rank: #8462 (+138)
21M → 35K
5:21 | 7:09/mi
23M
2:49:29
Rank: #8365 (+97)
35K → 23M
9:39 | 7:42/mi
24M
2:56:59
Rank: #8282 (+83)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:03:27
Rank: #8217 (+65)
24M → 40K
6:28 | 7:34/mi
25.2M
3:06:28
Rank: #8239 (-22)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:14:15
Rank: #8305 (-66)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:54
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4122:347:1622:34
7:16
-
10K
6.21 mi10:53:0745:007:1522:26
7:13
-0:03
15K
9.32 mi11:15:381:07:317:1522:31
7:15
+0:02
20K
12.43 mi11:38:101:30:037:1522:32
7:15
0:00
Half
13.11 mi11:43:011:34:547:144:51
7:07
-0:08
25K
15.53 mi12:00:411:52:347:1517:40
7:17
+0:10
30K
18.64 mi12:24:042:15:577:1823:23
7:32
+0:15
20M
20.00 mi12:34:232:26:167:1910:19
7:36
+0:04
21M
21.00 mi12:42:362:34:297:218:13
8:13
+0:37
35K
21.75 mi12:47:572:39:507:215:21
7:09
-1:04
23M
23.00 mi12:57:362:49:297:229:39
7:42
+0:33
24M
24.00 mi13:05:062:56:597:227:30
7:30
-0:12
40K
24.85 mi13:11:343:03:277:236:28
7:34
+0:04
25.2M
25.20 mi13:14:353:06:287:243:01
8:45
+1:11
Finish
26.22 mi13:22:223:14:157:257:47
7:38
-1:07

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

7:07 /mi

Average Pace

7:25 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:55

61% of race

Time at Steady Pace

1:05:06

34% of race

Time at Slower Pace

11:14

6% of race

Average Pace: 7:25 /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 mi10:30:4122:347:1622:34
7:16
#9998
10K
6.21 mi10:53:0745:007:1522:26
7:13
#9809
15K
9.32 mi11:15:381:07:317:1522:31
7:15
#9690
20K
12.43 mi11:38:101:30:037:1522:32
7:15
#9384
Half
13.11 mi11:43:011:34:547:144:51
7:07
#9339
25K
15.53 mi12:00:411:52:347:1517:40
7:17
#9083
30K
18.64 mi12:24:042:15:577:1823:23
7:32
#8770
20M
20.00 mi12:34:232:26:167:1910:19
7:36
#8636
21M
21.00 mi12:42:362:34:297:218:13
8:13
#8600
35K
21.75 mi12:47:572:39:507:215:21
7:09
#8462
23M
23.00 mi12:57:362:49:297:229:39
7:42
#8365
24M
24.00 mi13:05:062:56:597:227:30
7:30
#8282
40K
24.85 mi13:11:343:03:277:236:28
7:34
#8217
25.2M
25.20 mi13:14:353:06:287:243:01
8:45
#8239
Finish
26.22 mi13:22:223:14:157:257:47
7:38
#8305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9998816481649517(Top 34%)7827(Top 49%)7827(Top 139%)
10K6.21 mi3.10 mi9809+1898069+958069+959648(Top 34%)7959(Top 49%)7959(Top 141%)
15K9.32 mi3.11 mi9690+1197972+977972+979517(Top 34%)7827(Top 49%)7827(Top 139%)
20K12.43 mi3.11 mi9384+3067766+2067766+2068637(Top 30%)7243(Top 45%)7243(Top 128%)
Half13.11 mi0.68 mi9339+457743+237743+238323(Top 29%)7092(Top 44%)7092(Top 126%)
25K15.53 mi2.42 mi9083+2567571+1727571+1728255(Top 29%)6916(Top 43%)6916(Top 123%)
30K18.64 mi3.11 mi8770+3137344+2277344+2277931(Top 28%)6540(Top 41%)6540(Top 116%)
20M20.00 mi1.36 mi8636+1347221+1237221+1237617(Top 27%)6219(Top 39%)6219(Top 110%)
21M21.00 mi1.00 mi8600+367170+517170+518665(Top 31%)6629(Top 41%)6629(Top 117%)
35K21.75 mi0.75 mi8462+1387062+1087062+1086294(Top 22%)5267(Top 33%)5267(Top 93%)
23M23.00 mi1.25 mi8365+976966+966966+967926(Top 28%)6120(Top 38%)6120(Top 108%)
24M24.00 mi1.00 mi8282+836883+836883+837671(Top 27%)5919(Top 37%)5919(Top 105%)
40K24.85 mi0.85 mi8217+656812+716812+717175(Top 25%)5536(Top 34%)5536(Top 98%)
25.2M25.20 mi0.35 mi8239-226808+46808+410212(Top 36%)7036(Top 44%)7036(Top 125%)
Finish26.22 mi1.02 mi8305-666810-26810-210190(Top 36%)7076(Top 44%)7076(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9517

Males

7827

M18-39

7827

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9648

Males

7959

M18-39

7959

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9517

Males

7827

M18-39

7827

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8637

Males

7243

M18-39

7243

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8323

Males

7092

M18-39

7092

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8255

Males

6916

M18-39

6916

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7931

Males

6540

M18-39

6540

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7617

Males

6219

M18-39

6219

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8665

Males

6629

M18-39

6629

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6294

Males

5267

M18-39

5267

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7926

Males

6120

M18-39

6120

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7671

Males

5919

M18-39

5919

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7175

Males

5536

M18-39

5536

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10212

Males

7036

M18-39

7036

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10190

Males

7076

M18-39

7076

Passing Analysis

Category:
Athletes Passed
2514
Passed By
819
Net Change
+1693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9998
5K → 10K333143+189#9998#9809
10K → 15K235115+119#9809#9690
15K → 20K34741+306#9690#9384
20K → Half538+45#9384#9339
Half → 25K28630+256#9339#9083
25K → 30K39077+313#9083#8770
30K → 20M16834+134#8770#8636
20M → 21M11074+36#8636#8600
21M → 35K14911+138#8600#8462
35K → 23M14952+97#8462#8365
23M → 24M12340+83#8365#8282
24M → 40K9429+65#8282#8217
40K → 25.2M2648-22#8217#8239
25.2M → Finish51117-66#8239#8305
TOTALS2514819+1693
📊

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