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BOSTON MARATHON 2025

David Tanner

Bib: 7157•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
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
25:17
Rank: #17619
Start → 5K
25:17 | 8:08/mi
10K· 6.21 mi
50:14
Rank: #17143 (+476)
5K → 10K
24:57 | 8:02/mi
15K· 9.32 mi
1:15:29
Rank: #17061 (+82)
10K → 15K
25:15 | 8:08/mi
20K· 12.43 mi
1:40:38
Rank: #16660 (+401)
15K → 20K
25:09 | 8:06/mi
Half· 13.11 mi
1:45:47
Rank: #16448 (+212)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:04:47
Rank: #15825 (+623)
Half → 25K
19:00 | 7:50/mi
30K· 18.64 mi
2:30:13
Rank: #15204 (+621)
25K → 30K
25:26 | 8:11/mi
20M
2:40:50
Rank: #14676 (+528)
30K → 20M
10:37 | 7:49/mi
21M
2:49:51
Rank: #14584 (+92)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:55:45
Rank: #14442 (+142)
21M → 35K
5:54 | 7:53/mi
23M
3:04:58
Rank: #13853 (+589)
35K → 23M
9:13 | 7:22/mi
24M
3:12:33
Rank: #13568 (+285)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:19:04
Rank: #13317 (+251)
24M → 40K
6:31 | 7:37/mi
25.2M
3:22:07
Rank: #13271 (+46)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:29:21
Rank: #13023 (+248)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:47
Pace8:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4425:178:0825:17
8:08
-
10K
6.21 mi11:19:4150:148:0524:57
8:02
-0:06
15K
9.32 mi11:44:561:15:298:0625:15
8:08
+0:06
20K
12.43 mi12:10:051:40:388:0625:09
8:06
-0:02
Half
13.11 mi12:15:141:45:478:045:09
7:33
-0:33
25K
15.53 mi12:34:142:04:478:0219:00
7:50
+0:17
30K
18.64 mi12:59:402:30:138:0425:26
8:11
+0:21
20M
20.00 mi13:10:172:40:508:0210:37
7:49
-0:22
21M
21.00 mi13:19:182:49:518:059:01
9:01
+1:12
35K
21.75 mi13:25:122:55:458:055:54
7:53
-1:08
23M
23.00 mi13:34:253:04:588:039:13
7:22
-0:31
24M
24.00 mi13:42:003:12:338:017:35
7:35
+0:13
40K
24.85 mi13:48:313:19:048:016:31
7:37
+0:02
25.2M
25.20 mi13:51:343:22:078:013:03
8:51
+1:14
Finish
26.22 mi13:58:483:29:217:597:14
7:06
-1:45

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

7:06 /mi

Average Pace

7:59 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:42

17% of race

Time at Steady Pace

1:25:37

41% of race

Time at Slower Pace

1:28:02

42% of race

Average Pace: 7:59 /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 mi10:54:4425:178:0825:17
8:08
#17619
10K
6.21 mi11:19:4150:148:0524:57
8:02
#17143
15K
9.32 mi11:44:561:15:298:0625:15
8:08
#17061
20K
12.43 mi12:10:051:40:388:0625:09
8:06
#16660
Half
13.11 mi12:15:141:45:478:045:09
7:33
#16448
25K
15.53 mi12:34:142:04:478:0219:00
7:50
#15825
30K
18.64 mi12:59:402:30:138:0425:26
8:11
#15204
20M
20.00 mi13:10:172:40:508:0210:37
7:49
#14676
21M
21.00 mi13:19:182:49:518:059:01
9:01
#14584
35K
21.75 mi13:25:122:55:458:055:54
7:53
#14442
23M
23.00 mi13:34:253:04:588:039:13
7:22
#13853
24M
24.00 mi13:42:003:12:338:017:35
7:35
#13568
40K
24.85 mi13:48:313:19:048:016:31
7:37
#13317
25.2M
25.20 mi13:51:343:22:078:013:03
8:51
#13271
Finish
26.22 mi13:58:483:29:217:597:14
7:06
#13023
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17619114561145616914(Top 60%)11179(Top 69%)11179(Top 198%)
10K6.21 mi3.10 mi17143+47611277+17911277+17916689(Top 59%)11103(Top 69%)11103(Top 197%)
15K9.32 mi3.11 mi17061+8211258+1911258+1916914(Top 60%)11179(Top 69%)11179(Top 198%)
20K12.43 mi3.11 mi16660+40111075+18311075+18315598(Top 55%)10583(Top 66%)10583(Top 188%)
Half13.11 mi0.68 mi16448+21210996+7910996+7912099(Top 43%)9071(Top 56%)9071(Top 161%)
25K15.53 mi2.42 mi15825+62310709+28710709+28712628(Top 44%)9134(Top 57%)9134(Top 162%)
30K18.64 mi3.11 mi15204+62110383+32610383+32612715(Top 45%)9011(Top 56%)9011(Top 160%)
20M20.00 mi1.36 mi14676+52810116+26710116+2679122(Top 32%)7072(Top 44%)7072(Top 125%)
21M21.00 mi1.00 mi14584+9210050+6610050+6613588(Top 48%)9144(Top 57%)9144(Top 162%)
35K21.75 mi0.75 mi14442+1429982+689982+6811447(Top 40%)8081(Top 50%)8081(Top 143%)
23M23.00 mi1.25 mi13853+5899669+3139669+3135824(Top 21%)4872(Top 30%)4872(Top 86%)
24M24.00 mi1.00 mi13568+2859514+1559514+1558293(Top 29%)6283(Top 39%)6283(Top 111%)
40K24.85 mi0.85 mi13317+2519377+1379377+1377562(Top 27%)5767(Top 36%)5767(Top 102%)
25.2M25.20 mi0.35 mi13271+469341+369341+3610883(Top 38%)7436(Top 46%)7436(Top 132%)
Finish26.22 mi1.02 mi13023+2489216+1259216+1256375(Top 22%)4975(Top 31%)4975(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16914

Males

11179

M18-39

11179

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16689

Males

11103

M18-39

11103

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16914

Males

11179

M18-39

11179

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15598

Males

10583

M18-39

10583

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12099

Males

9071

M18-39

9071

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12628

Males

9134

M18-39

9134

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12715

Males

9011

M18-39

9011

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9122

Males

7072

M18-39

7072

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13588

Males

9144

M18-39

9144

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

11447

Males

8081

M18-39

8081

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5824

Males

4872

M18-39

4872

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8293

Males

6283

M18-39

6283

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7562

Males

5767

M18-39

5767

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10883

Males

7436

M18-39

7436

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6375

Males

4975

M18-39

4975

Passing Analysis

Category:
Athletes Passed
5013
Passed By
417
Net Change
+4596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17619
5K → 10K597121+476#17619#17143
10K → 15K243161+82#17143#17061
15K → 20K43837+401#17061#16660
20K → Half2120+212#16660#16448
Half → 25K6252+623#16448#15825
25K → 30K64423+621#15825#15204
30K → 20M5291+528#15204#14676
20M → 21M14351+92#14676#14584
21M → 35K1519+142#14584#14442
35K → 23M5890+589#14442#13853
23M → 24M2850+285#13853#13568
24M → 40K2543+251#13568#13317
40K → 25.2M548+46#13317#13271
25.2M → Finish2491+248#13271#13023
TOTALS5013417+4596
📊

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