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BOSTON MARATHON 2025

Tanner Clark

Bib: 11562•M

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M45-49)
#0 / 2386
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10245
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
45:15
Rank: #10191 (+54)
5K → 10K
22:36 | 7:16/mi
15K· 9.32 mi
1:07:49
Rank: #10000 (+191)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:30:38
Rank: #9807 (+193)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:35:35
Rank: #9785 (+22)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:56
Rank: #9860 (-75)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:17:32
Rank: #9506 (+354)
25K → 30K
23:36 | 7:36/mi
20M
2:27:55
Rank: #9341 (+165)
30K → 20M
10:23 | 7:38/mi
21M
2:35:54
Rank: #9182 (+159)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:41:32
Rank: #9142 (+40)
21M → 35K
5:38 | 7:32/mi
23M
2:50:59
Rank: #8939 (+203)
35K → 23M
9:27 | 7:33/mi
24M
2:58:15
Rank: #8752 (+187)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:04:38
Rank: #8613 (+139)
24M → 40K
6:23 | 7:28/mi
25.2M
3:07:24
Rank: #8535 (+78)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:14:48
Rank: #8483 (+52)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:35
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1022:397:1722:39
7:17
-
10K
6.21 mi11:13:4645:157:1722:36
7:16
-0:01
15K
9.32 mi11:36:201:07:497:1722:34
7:16
0:00
20K
12.43 mi11:59:091:30:387:1822:49
7:21
+0:05
Half
13.11 mi12:04:061:35:357:174:57
7:15
-0:06
25K
15.53 mi12:22:271:53:567:2018:21
7:34
+0:19
30K
18.64 mi12:46:032:17:327:2323:36
7:36
+0:02
20M
20.00 mi12:56:262:27:557:2410:23
7:38
+0:02
21M
21.00 mi13:04:252:35:547:257:59
7:59
+0:21
35K
21.75 mi13:10:032:41:327:265:38
7:32
-0:27
23M
23.00 mi13:19:302:50:597:269:27
7:33
+0:01
24M
24.00 mi13:26:462:58:157:267:16
7:16
-0:17
40K
24.85 mi13:33:093:04:387:266:23
7:28
+0:12
25.2M
25.20 mi13:35:553:07:247:262:46
8:01
+0:33
Finish
26.22 mi13:43:193:14:487:267:24
7:16
-0:45

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

7:15 /mi

Average Pace

7:26 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:03

94% of race

Time at Steady Pace

10:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:51:1022:397:1722:39
7:17
#10245
10K
6.21 mi11:13:4645:157:1722:36
7:16
#10191
15K
9.32 mi11:36:201:07:497:1722:34
7:16
#10000
20K
12.43 mi11:59:091:30:387:1822:49
7:21
#9807
Half
13.11 mi12:04:061:35:357:174:57
7:15
#9785
25K
15.53 mi12:22:271:53:567:2018:21
7:34
#9860
30K
18.64 mi12:46:032:17:327:2323:36
7:36
#9506
20M
20.00 mi12:56:262:27:557:2410:23
7:38
#9341
21M
21.00 mi13:04:252:35:547:257:59
7:59
#9182
35K
21.75 mi13:10:032:41:327:265:38
7:32
#9142
23M
23.00 mi13:19:302:50:597:269:27
7:33
#8939
24M
24.00 mi13:26:462:58:157:267:16
7:16
#8752
40K
24.85 mi13:33:093:04:387:266:23
7:28
#8613
25.2M
25.20 mi13:35:553:07:247:262:46
8:01
#8535
Finish
26.22 mi13:43:193:14:487:267:24
7:16
#8483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10245829282929668(Top 34%)7903(Top 49%)7903(Top 331%)
10K6.21 mi3.10 mi10191+548263+298263+2910122(Top 36%)8211(Top 51%)8211(Top 344%)
15K9.32 mi3.11 mi10000+1918130+1338130+1339668(Top 34%)7903(Top 49%)7903(Top 331%)
20K12.43 mi3.11 mi9807+1938001+1298001+1299385(Top 33%)7671(Top 48%)7671(Top 322%)
Half13.11 mi0.68 mi9785+227990+117990+119528(Top 34%)7763(Top 48%)7763(Top 325%)
25K15.53 mi2.42 mi9860-757990799010471(Top 37%)8123(Top 50%)8123(Top 340%)
30K18.64 mi3.11 mi9506+3547751+2397751+2398409(Top 30%)6827(Top 42%)6827(Top 286%)
20M20.00 mi1.36 mi9341+1657627+1247627+1247968(Top 28%)6422(Top 40%)6422(Top 269%)
21M21.00 mi1.00 mi9182+1597503+1247503+1247256(Top 26%)5830(Top 36%)5830(Top 244%)
35K21.75 mi0.75 mi9142+407458+457458+458809(Top 31%)6740(Top 42%)6740(Top 282%)
23M23.00 mi1.25 mi8939+2037297+1617297+1616904(Top 24%)5538(Top 34%)5538(Top 232%)
24M24.00 mi1.00 mi8752+1877159+1387159+1386226(Top 22%)5058(Top 31%)5058(Top 212%)
40K24.85 mi0.85 mi8613+1397040+1197040+1196601(Top 23%)5208(Top 32%)5208(Top 218%)
25.2M25.20 mi0.35 mi8535+786978+626978+626074(Top 21%)4800(Top 30%)4800(Top 201%)
Finish26.22 mi1.02 mi8483+526927+516927+517486(Top 26%)5619(Top 35%)5619(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9668

Males

7903

M45-49

7903

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10122

Males

8211

M45-49

8211

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9668

Males

7903

M45-49

7903

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9385

Males

7671

M45-49

7671

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9528

Males

7763

M45-49

7763

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10471

Males

8123

M45-49

8123

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8409

Males

6827

M45-49

6827

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7968

Males

6422

M45-49

6422

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7256

Males

5830

M45-49

5830

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8809

Males

6740

M45-49

6740

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6904

Males

5538

M45-49

5538

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6226

Males

5058

M45-49

5058

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6601

Males

5208

M45-49

5208

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6074

Males

4800

M45-49

4800

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7486

Males

5619

M45-49

5619

Passing Analysis

Category:
Athletes Passed
2598*
Passed By
836
Net Change
+1762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10245
5K → 10K269215+54#10245#10191
10K → 15K27786+191#10191#10000
15K → 20K278*85+193#10000#9807
20K → Half4523+22#9807#9785
Half → 25K130205-75#9785#9860
25K → 30K41056+354#9860#9506
30K → 20M19227+165#9506#9341
20M → 21M17920+159#9341#9182
21M → 35K7030+40#9182#9142
35K → 23M22219+203#9142#8939
23M → 24M1969+187#8939#8752
24M → 40K15617+139#8752#8613
40K → 25.2M835+78#8613#8535
25.2M → Finish9139+52#8535#8483
TOTALS2598*836+1762

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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